[flexcoders] Question about printing

[Darren Houle]

I haven't played with printing much, but I've been looking and haven't been 
able to find a good answer to this anywhere yet... This might be an 
oversimplification, but apparently when it comes to the FlexPrintJob you can 
either print what's displayed (visible) in your app, or else employ the 
PrintDataGrid which allows you to print things that are not necessarily 
displayed visually anywhere. My problem is that I have a List component that 
uses a custom rederer, and it typically displays hundreds of items, with less 
than ten visible on the screen at any one time.  The reason I have a custom 
renderer is because there's too much data for a DataGrid (would result in too 
many unusably thin columns.)  When I try to print the List component I only get 
the few that are visible on the screen... when I use the List's dataprovider in 
a PrintDataGrid there's too many columns and the data is unreadable.  But... 
when my customer hits print, they want a prinout of all the items in the List, 
not just what's visible. My question is this... can I use a custom renderer in 
a PrintDataGrid?  Or is there a way to loop through the List's dataprovider, 
make each item somehow visible so it can be added to the printjob?  My first 
pref would be to create a custom renderer for a PrintDataGrid so that I can 
control output format better than a datagrid, have all items visible to the 
printjob even though they're not visible to the user, use print paging, etc. 
but I can't seem to find any good documentation on that anywhere. There's a 
tidbit here:  
http://www.nabble.com/Can-Flex-really-handle-complex-printing--td15744019.html  
but I'm curious if this is recommended, or if there's a happier place I could 
go :-) ThanksDarren

RE: [flexcoders] Question about printing

[Darren Houle]

Sorry, I'm new to printing so none of that made much sense...

 
 
You can almost always make a DG look like a List by having one column with 
the headers invisible.  So, start with temporarily replacing your list with a 
single column DG, work out the kinks, then shovel it off to PDG to print.
 
Maybe I'm misunderstanding, but how could that work?  If I replace my current 
List with a DG and get it to work the same as now, that's fine (although I'd 
have to rework a bunch of code)... but not sure I see the point.  When I 
shovel it off to a PrintDG I'm just sending the dataprovider to the PrintDG, 
so it's still going to print too many columns all squeezed.  Unless... are you 
suggesting I use a DG with a custom rendered single cell for normal display, 
then use the DG's custom renderer in the PrintDG?  So build a custom renderer 
that work in either so it can be shared?
 
Darren
 
 
 




From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Darren 
HouleSent: Friday, August 15, 2008 10:34 AMTo: Flexcoders GroupSubject: 
[flexcoders] Question about printing
 



I haven't played with printing much, but I've been looking and haven't been 
able to find a good answer to this anywhere yet... This might be an 
oversimplification, but apparently when it comes to the FlexPrintJob you can 
either print what's displayed (visible) in your app, or else employ the 
PrintDataGrid which allows you to print things that are not necessarily 
displayed visually anywhere. My problem is that I have a List component that 
uses a custom rederer, and it typically displays hundreds of items, with less 
than ten visible on the screen at any one time.  The reason I have a custom 
renderer is because there's too much data for a DataGrid (would result in too 
many unusably thin columns.)  When I try to print the List component I only get 
the few that are visible on the screen... when I use the List's dataprovider in 
a PrintDataGrid there's too many columns and the data is unreadable.  But... 
when my customer hits ! print, they want a prinout of all the items in the 
List, not just what's visible. My question is this... can I use a custom 
renderer in a PrintDataGrid?  Or is there a way to loop through the List's 
dataprovider, make each item somehow visible so it can be added to the 
printjob?  My first pref would be to create a custom renderer for a 
PrintDataGrid so that I can control output format better than a datagrid, have 
all items visible to the printjob even though they're not visible to the 
user, use print paging, etc. but I can't seem to find any good documentation on 
that anywhere. There's a tidbit here:  
http://www.nabble.com/Can-Flex-really-handle-complex-printing--td15744019.html  
but I'm curious if this is recommended, or if there's a happier place I could 
go :-) ThanksDarren
 

[flexcoders] Array reference vs values

[Darren Houle]

This might be a basic AS question, but I encountered it building a 
Flex app, so...

I create a Date

var date:Date = new Date();

I create an Array

var arr:Array = new Array();

I set the first element of the array equal to the date

arr[0] = date;

I create another date variable that refers to the first array element

var ref:Date = arr[0] as Date;

if I trace(date=+date+, arr[0]=+arr[0]+, ref=+ref) I get

date=Wed Jul 16 21:04:45 GMT-0400 2008, arr[0]=Wed Jul 16 21:04:45 
GMT-0400 2008, ref=Wed Jul 16 21:04:45 GMT-0400 2008

Now I null out the ref variable

ref=null;

Since AS uses references instead of values I would expect to null out 
the original date, but no...

If I trace(date=+date+, arr[0]=+arr[0]+, ref=+ref) I now get

date=Wed Jul 16 21:04:45 GMT-0400 2008, arr[0]=Wed Jul 16 21:04:45 
GMT-0400 2008, ref=null

I thought everything was a reference in AS?  Shouldn't nulling ref 
also null arr[0] which would null out date?

Ultimately... I have a custom object that has several fields each 
containing a Date.  I create an array and make each element in the 
array = each Date in the custom obj.  I need to be able to null an 
array element and have it carry backwards into the object and null 
out the original Date.  Any ideas?  Am I missing something really 
obvious?

RE: [flexcoders] Array reference vs values

[Darren Houle]

Josh
 
Yes, what you're describing is exactly what I described and is, in fact, what 
it happening... but to say I don't ever need to do this?  Well... yes... I need 
to do this... and it has nothing to do with the garbage collector.
 
Here, let me explain in another way
 
I have a custom object... lets say it's a Person object.  It has various 
properties, but several are Date types.  These are all consecutive, like a 
workflow, and I want to be able to address them in order via an array... like 
this...
 
var person : Person = new Person();
 
person.wakeup = new Date();person.breakfast = new Date();person.lunch = new 
Date();person.dinner = null;person.bedtime = null;
 
var timeArr : Array = new Array();
 
timeArr[0] = person.wakeup;timeArr[1] = person.breakfast;timeArr[2] = 
person.lunch;timeArr[3] = person.dinner;timeArr[4] = person.bedtime;
 
 
Then some other code figures out where we are in the flow of the day's events...
 
var status : int;
if (some criteria)
  {  event = 2;  }
 
But I determine lunch hasn't actually happened yet, so it shouldn't have a Date 
yet.  I need to blank out this value that was previously set in the Person 
object...
 
if (some criteria)
 {  timeArr[event] = null;  }
 
But since these references don't seem to propogate backwards, nulling one of 
the array elements doesn't affect the original property.  That's the *whole 
purpose* of reference vs value... a reference is a pointer to memory space... 
so if I null that memory space it should affect all the vars pointing to that 
memory space.
 
Does that make more sense?Darren



To: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Thu, 17 Jul 2008 11:30:29 
+1000Subject: Re: [flexcoders] Array reference vs values



When you do this:  var date:Date = new Date();You're creating an instance of 
Date and a reference to it named date.When you do this:  var ref:Date = 
arr[0] as Date;You're creating another reference to the same instance, this 
time your reference is named ref. So when you set ref = null, you're making 
ref point to nothing. date and arr[0] remain unchanged. You don't need 
to, nor can you remove the date instance created above. That's the job of the 
garbage collector.-Josh
On Thu, Jul 17, 2008 at 11:25 AM, Darren Houle [EMAIL PROTECTED] wrote:

RE: [flexcoders] Array reference vs values

[Darren Houle]

Josh
 
Okay, so here's what I did... var person : Person = new Person(); person.wakeup 
= new Date();person.breakfast = new Date();person.lunch = new 
Date();person.dinner = null;person.bedtime = null; var wfArr : Array = new 
Array(); timeArr[0] = wakeup;timeArr[1] = breakfast;timeArr[2] = 
lunch;timeArr[3] = dinner;timeArr[4] = bedtime; var event : int;if (some 
criteria)  {  event = 2;  } if (some criteria) {  
person[timeArr[event]] = null;  }and it works... person.lunch... aka 
person[lunch]... was set to null... thanks, you rock!! Darren



To: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Thu, 17 Jul 2008 12:18:35 
+1000Subject: Re: [flexcoders] Array reference vs values




On Thu, Jul 17, 2008 at 11:55 AM, Darren Houle [EMAIL PROTECTED] wrote:

Josh Yes, what you're describing is exactly what I described and is, in fact, 
what it happening... but to say I don't ever need to do this?  Well... yes... I 
need to do this... and it has nothing to do with the garbage collector. Here, 
let me explain in another way I have a custom object... lets say it's a 
Person object.  It has various properties, but several are Date types.  These 
are all consecutive, like a workflow, and I want to be able to address them in 
order via an array... like this... var person : Person = new Person(); 
person.wakeup = new Date();person.breakfast = new Date();person.lunch = new 
Date();person.dinner = null;person.bedtime = null; var timeArr : Array = new 
Array(); timeArr[0] = person.wakeup;timeArr[1] = person.breakfast;timeArr[2] = 
person.lunch;timeArr[3] = person.dinner;timeArr[4] = person.bedtime;  Then some 
other code figures out where we are in the flow of the day's events... var 
status : int;if (some criteria)  {  event = 2;  } But I determine lunch 
hasn't actually happened yet, so it shouldn't have a Date yet.  I need to blank 
out this value that was previously set in the Person object... if (some 
criteria) {  timeArr[event] = null;  } But since these references don't 
seem to propogate backwards, nulling one of the array elements doesn't affect 
the original property.  That's the *whole purpose* of reference vs value... a 
reference is a pointer to memory space... so if I null that memory space it 
should affect all the vars pointing to that memory space. Does that make more 
sense?DarrenI think so. But you're definitely going about it the wrong way - 
hear me out:In ECMAScript, you can access any public field by indexing its name 
as a string. Now assuming person has these fields, and you want to be able to 
access them (and mess with them) in order. There's a few ways to do this:const 
fieldOrder : Array =   ['wakeup','breakfast','lunch','dinner',  
  'bedtime',  ];Then you can do this:trace(myPerson.lunch); // == 
date.toString()myPerson[fieldOrder[2]] = null;trace(myPerson.lunch); // == 
nullBut while you can mute that instance of date, you can't delete it. It 
defeats the purpose of garbage collection (and probably makes it a lot harder 
to implement).If say, myPerson is *dynamic* either by the dynamic keyword on 
the class definition, or because it's created with {} instead of new 
ClassName(), you can also do thisdelete 
myPerson[fieldOrder[2]];trace(myPerson.lunch); // === undefined, or an 
exception is thrown depending on various conditions of myPerson :)This will 
completely remove the lunch field from the myPerson instance, but the Date 
instance itself will still be sitting around waiting for garbage 
collection.-Josh-- Therefore, send not to know For whom the bell tolls. It 
tolls for thee.:: Josh 'G-Funk' McDonald:: 0437 221 380 :: [EMAIL PROTECTED]  

[flexcoders] Code for preventing browser caching of SWF

[Darren Houle]

I'm trying to stop the client's browser from caching my flex app swf so that 
each time they call the html wrapper they get the latest swf.
 
I've found some suggestions out there for accomplishing this, and I think 
adding the myapp.swf?build=12341234 (some timestamp) solution looks cleanest, 
but I was wondering...
 
Has anyone modified their index.template.html wrapper so that each time you 
compile your app it auto-generates and appends that random (or time based) 
number like this?  Anyone know if there's an example out there I can look at?  
It would be nice if this was automatic and I didn't have to implant a new 
number in the wrapper each time by hand.
 
Thanks
Darren

[flexcoders] Opening CFM disguised as Flashpaper SWF

[Darren Houle]

Not purely a Flex question, but came up as a result of building a Flex 
reporting component...
 
Using IE 6.0.2...
 
When I download http://myserver.com/index.htm with a SWF embedded in the HTML 
Flash works fine and runs the embedded SWF in the browser.
 
When I download http://myserver/filename.swf Flash also works fine and runs the 
SWF in the browser.
 
But when I download http://myserver/reportwrapper.cfm?rpt=1 which contains
 cfreport template=#url.rpt#.cfr format=flashpaper
IE prompts me with a popup dialog box that says:
 
File name: reportwrapper.cfm
File type: Shockwave Flash Object
From:  myserver.com
Would you like to open it or save it to your computer?
 
Why is it that filename.swf will trigger the Flash browser plugin but a CFM 
that has a Shockwave Flash Object mime type won't?  Is IE confused because the 
file ext doesn't match the mime type?  Is there a fix or workaround for this?  
Something i can do in Coldfusion to re-set the mime type to something else, or 
set content headers first, or something?  Doesn't seem to do this in IE 7, but 
I have some IE 6 browsers in my organization and need to figure out a way to 
handle this.
 
Thanks
Darren

[flexcoders] FlashPaperLoader Crashes Browser!

[Darren Houle]

I'm using Darron Schall's FlashPaperLoader to load cfr's into a flex app.  
Works great (thanks Darron!) for the first report, but when I load the second 
report the entire browser crashes.  Do I need to explicitly unload the first 
Flashpaper swf before loading the next?  How?  Are there other known gotchas 
with Flashpaper swfs crashing things?  Using SWFLoader by itself isn't an 
option because it won't size properly, so I really need to figure out why 
FlashPaperLoader is crashing things and correct it!  Help?!
 
Darren

RE: [flexcoders] FDS / CF Endpoints

[Darren Houle]

Yes, I have a * crossdomain policy in place (on both servers, just in case.)
 
Darren
 
 


To: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Wed, 18 Apr 2007 17:59:54 
-0300Subject: Re: [flexcoders] FDS / CF EndpointsDarrenDid you configuration of 
your app crossdomain.xml to allow this thing?Regards.
On 4/18/07, Darren Houle  [EMAIL PROTECTED] wrote: 





I'm building an FDS app but instead of defining an assembler.class, dao.class, 
and customobject.class on the FDS server in Java I'm defining them on a 
ColdFusion server using CFCs.  I'm following Tom Jordahl's article located 
here:  http://www.adobe.com/devnet/flex/articles/coldfusionflex_part1_02.html  
But, while Tom is running both FDS and CF on a single physical server, I have 
two separate physical servers... http://srv1.mydomain.com (FDS with integrated 
JRun)http://srv2.mydomain.com (ColdFusion Ent 7.0.2) My Flex client is being 
served out to the browser from SRV1 (the FDS server) and I have 
ObjAssembler.cfc, ObjDAO.cfc, and Obj.cfc on SRV2 (the ColdFusion server) In my 
Flex client I define a DataService to manage my Obj's in a simple grid just to 
test that it's all wired correctly, but it's not working. I believe my problem 
is that I have my endpoints defined incorrectly in the services-config.xml that 
resides on SRV1 (the FDS server) In Tom's article he says to just use... 
endpoint uri=rtmp://{server.name}:2048 
class=flex.messaging.endpoints.RTMPEndpoint/endpoint 
uri=http://{server.name}:{server.port}/{context.root}/messagebroker/cfamfpolling;
 class=flex.messaging.endpoints.AMFEndpoint/ But since my CF server is 
physically separate I changed these endpoints toendpoint 
uri=rtmp://srv2.mydomain.com:2048 
class=flex.messaging.endpoints.RTMPEndpoint/endpoint 
uri=http://srv2.mydomain.com:{server.port}/messagebroker/cfamfpolling; class= 
flex.messaging.endpoints.AMFEndpoint/ But it does not work.  No errors, it 
just doesn't ds.fill() or anything. Are these endpoints supposed to point to 
the CF server (SRV2)... or one to the CF server and one to the FDS server... or 
to the FDS server (SRV1)?  How do I know what port to specify for the 
AMFEndpoint?  How does the whole messagebroker/cfamfpolling path work when 
there's nothing under there?  I'm pretty lost when it comes to configuring 
endpoints in general.  Thanks!Darren-- Igor 
Costawww.igorcosta.orgwww.igorcosta.comskype: igorpcosta  

RE: [flexcoders] FDS / CF Endpoints

[Darren Houle]

Peter
 
I was just following Tom's article, which specifies you add the following to 
your FDS services-config.xml
 
!--  ColdFusion specific RTMP channel --channel-definition 
id=cf-dataservice-rtmp class=mx.messaging.channels.RTMPChannel  endpoint 
uri=rtmp://{server.name}:2048 class=flex.messaging.endpoints.RTMPEndpoint/ 
 properties  idle-timeout-minutes20/idle-timeout-minutes  
serialization!-- This must be turned off for any CF channel --  
  instantiate-typesfalse/instantiate-types  /serialization  
/properties/channel-definition!-- ColdFusion specific HTTP channel 
--channel-definition id=cf-polling-amf 
class=mx.messaging.channels.AMFChannel  endpoint 
uri=http://{server.name}:{server.port}/{context.root}/messagebroker/cfamfpolling;
 class=flex.messaging.endpoints.AMFEndpoint/  properties
serialization  !-- This must be turned off for any CF channel --  
instantiate-typesfalse/instantiate-types/serialization
polling-enabledtrue/polling-enabled
polling-interval-seconds8/polling-interval-seconds  
/properties/channel-definition
Tom appears to be running both FDS and CF on the same physical server, so he's 
left {server.name} in the endpoint.  I need to know whether that changes - as 
well as {server.port} - when you're running CF on a different server than your 
FDS server.
 
Also, he's specified /{context.root}/messagebroker/cfamfpolling as the AMF 
endpoint path, and that apparently works in his example app.  If this needs to 
change I have no idea what to change it too.  There's no mention in his article 
(or anywhere else I can find) of how to modify these endpoints for any other 
server configuration when running FDS and CF on separate boxes.
 
Darren
 
 To: flexcoders@yahoogroups.com From: [EMAIL PROTECTED] Date: Thu, 19 Apr 
 2007 07:36:33 -0700 Subject: RE: [flexcoders] FDS / CF Endpoints  Is there 
 really a servlet mapping in your ColdFusion web application's 
 /WEB-INF/web.xml file on your srv2.mydomain.com site that is 
 /messagebroker/*? I think ColdFusion uses /flex2gateway/* instead of 
 /messagebroker/* for their message broker servlet mapping.

RE: [flexcoders] FDS / CF Endpoints

[Darren Houle]

Igor
 
Not sure what other details you need, I thought I covered pretty much 
everything.  Anything else that's missing is basically the information I'm 
looking for :-)
 
My Flex client is served up from SRV1 (the FDS server).  It contains the 
following...
 
---
mx:DataService id=TransferCenterDS destination=cftransfer /
---
 
That destination is defined in the FDS services-config.xml...
 
---
services  service id=data-service class=flex.data.DataService 
messageTypes=flex.data.messages.DataMessage   adapters
adapter-definition id=coldfusion-dao 
class=coldfusion.flex.CFDataServicesAdapter/   /adapters   destination 
id=cftransfer  adapter ref=coldfusion-dao/  channels   
channel ref=cf-dataservice-rtmp/   channel ref=cf-polling-amf/  
/channels  properties   
componentapplications.flex.transfer-center.cf.TransferAssembler/component   
scoperequest/scope   metadataidentity 
property=TransferId/   /metadata  /properties   /destination  
/service/services
---
 
These two CF specific channels are also defined in the FDS services-config.xml 
like this (but here's where I'm having endpoint woes)...
 
---
  channel-definition id=cf-dataservice-rtmp 
class=mx.messaging.channels.RTMPChannelendpoint 
uri=rtmp://srv2.mydomain.com:2048 
class=flex.messaging.endpoints.RTMPEndpoint/properties 
idle-timeout-minutes20/idle-timeout-minutes serialization
instantiate-typesfalse/instantiate-types /serialization
/properties  /channel-definition  channel-definition id=cf-polling-amf 
class=mx.messaging.channels.AMFChannelendpoint 
uri=http://srv2.mydomain.com:{server.port}/messagebroker/cfamfpolling; 
class=flex.messaging.endpoints.AMFEndpoint/properties   
serialization instantiate-typesfalse/instantiate-types   
/serialization   polling-enabledtrue/polling-enabled   
polling-interval-seconds8/polling-interval-seconds/properties  
/channel-definition---
 
My Flex client also contains an ArrayCollection...
---
mx:ArrayCollection id=TransferCenterAC /
---
 
There is also a datagrid that has a dataprovider bound to this ArrayCollection.
 
---
mx:DataGrid id=junkDG width=98% height=50% 
dataProvider={TransferCenterAC} mx:columns  
mx:DataGridColumn headerText=ID dataField=TransferId/  
mx:DataGridColumn headerText=Transfer Agency 
dataField=TransferInfo_AgencyCB/
  . /mx:columns/mx:DataGrid---
I also have a test button...
 
---
mx:Button label=Fill 
click=TransferCenterDS.fill(TransferCenterAC);/---
 
I don't know what other information I could give you.  There's not much to it.  
Problem is that no matter what I use for endpoints I always seem to get one 
type of communication error message or another.  There's too many combinations 
of endpoints and errors to list here.  All I'm really looking for is an article 
or blog that talks about endpoints and channels and possibly describes how they 
can be configured in a distributed architecture such as mine.  It's surprising 
it's not already out there as Flex, FDS, and CF are all supposed to work 
together so nicely.  You'd think there'd be more information on how to set the 
three up in a distributed way.  You can find tons of tutorials on FDS using 
java assembler, dao, and object classes, but almost nothing on using CFCs on a 
CF server running on a separate physical server.
 
Thanks
Darren


To: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Thu, 19 Apr 2007 12:10:59 
-0300Subject: Re: [flexcoders] FDS / CF EndpointsGive more detailswith the 
information you sent me it's very limitated to understand what you're looking 
for.Regards.
On 4/19/07, Darren Houle [EMAIL PROTECTED] wrote: 





Yes, I have a * crossdomain policy in place (on both servers, just in case.) 
Darren  


To: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Wed, 18 Apr 2007 17:59:54 -0300 
Subject: Re: [flexcoders] FDS / CF EndpointsDarrenDid you configuration of your 
app crossdomain.xml to allow this thing?Regards.
On 4/18/07, Darren Houle  [EMAIL PROTECTED] wrote: 




I'm building an FDS app but instead of defining an assembler.class, dao.class, 
and customobject.class on the FDS server in Java I'm defining them on a 
ColdFusion server using CFCs.  I'm following Tom Jordahl's article located 
here:  http://www.adobe.com/devnet/flex/articles/coldfusionflex_part1_02.html  
But, while Tom is running both FDS and CF on a single physical server, I have 
two separate physical servers... http://srv1.mydomain.com (FDS with integrated 
JRun)http://srv2.mydomain.com (ColdFusion Ent 7.0.2) My Flex client is being 
served out to the browser from SRV1 (the FDS server) and I have 
ObjAssembler.cfc, ObjDAO.cfc, and Obj.cfc on SRV2 (the ColdFusion server) In my 
Flex client I define a DataService to manage my Obj's in a simple grid just to 
test that it's all wired correctly, but it's not working. I believe my problem 
is that I have my endpoints

RE: [flexcoders] FDS / CF Endpoints

[Darren Houle]

 If you are just using FDS with CF and they run in different servers  you'll 
 have to define a hostname property to tell FDS where to find CF  (I think, 
 it's in the resource config folder, check the  data-management-config.xml to 
 check the exact property). This property  must be defined in each 
 destination you'll create.
João, yes, from what I understand that's what the...
 
!--  ColdFusion specific RTMP channel --channel-definition 
id=cf-dataservice-rtmp class=mx.messaging.channels.RTMPChannelendpoint 
uri=rtmp://{server.name}:2048 class=flex.messaging.endpoints.RTMPEndpoint/
and
 
!-- ColdFusion specific HTTP channel --channel-definition 
id=cf-polling-amf class=mx.messaging.channels.AMFChannelendpoint 
uri=http://{server.name}:{server.port}/{context.root}/messagebroker/cfamfpolling;
 class=flex.messaging.endpoints.AMFEndpoint/
sections are for in the services-config.xml Channels definition.  Tom says to 
add them to the services-config.xml because all the standard FDS channel 
definitions are already in there... but you need to add the CF channels so FDS 
can talk to the CF server.  I've done that, my problem is that I can't seem to 
get the CF endpoints right.  What is /messagebroker/cfamfpolling and how do I 
know what port it's running on?  There's nothing in Tom's article syaing you 
need to go into CFIDE and turn anything on, so...?
 
 Also the messaging gateway have something similar that is the allowedIP  
 addresses (CF servers) to connect and send messages to that destination.
 
Not sure if you mean the crossdomain file... I have that.  If you mean 
something else then maybe you could be more specific?  In the CFIDE there are 
checkboxes to let FDS talk to CF... those are checked.  There's also an IP 
listed in the allow box so CF will allow the FDS server in, so... are you 
talking about something else?
 
 So if you serve your FDS app from the FDS server, just let {server.name}  
 where it was since it will resolve at runtime to server1.yourdomain.com  and 
 connect to FDS...
 
Yes, that's fine for the standard FDS channel definitions... but you need 
correct endpoints for the CF channels.
 
  The EndPoint must target always FDS and never CF.
 
Yes, the FDS endpoints target FDS... but the CF endpoints must be set correctly 
for FDS to find CF... that's where I'm having a problem.  It's supposed to be 
cut n paste when the CF server is on the same box as the FDS server, but when 
it's not... then what?
 
Thanks!
Darren

[flexcoders] FDS / CF Endpoints

[Darren Houle]

I'm building an FDS app but instead of defining an assembler.class, dao.class, 
and customobject.class on the FDS server in Java I'm defining them on a 
ColdFusion server using CFCs.  I'm following Tom Jordahl's article located 
here:  http://www.adobe.com/devnet/flex/articles/coldfusionflex_part1_02.html
 
But, while Tom is running both FDS and CF on a single physical server, I have 
two separate physical servers...
 
http://srv1.mydomain.com (FDS with integrated JRun)
http://srv2.mydomain.com (ColdFusion Ent 7.0.2)
 
My Flex client is being served out to the browser from SRV1 (the FDS server) 
and I have ObjAssembler.cfc, ObjDAO.cfc, and Obj.cfc on SRV2 (the ColdFusion 
server)
 
In my Flex client I define a DataService to manage my Obj's in a simple grid 
just to test that it's all wired correctly, but it's not working. I believe my 
problem is that I have my endpoints defined incorrectly in the 
services-config.xml that resides on SRV1 (the FDS server)
 
In Tom's article he says to just use...
 
endpoint uri=rtmp://{server.name}:2048 
class=flex.messaging.endpoints.RTMPEndpoint/
endpoint 
uri=http://{server.name}:{server.port}/{context.root}/messagebroker/cfamfpolling;
 class=flex.messaging.endpoints.AMFEndpoint/
 
But since my CF server is physically separate I changed these endpoints to
endpoint uri=rtmp://srv2.mydomain.com:2048 
class=flex.messaging.endpoints.RTMPEndpoint/endpoint 
uri=http://srv2.mydomain.com:{server.port}/messagebroker/cfamfpolling; 
class=flex.messaging.endpoints.AMFEndpoint/
 
But it does not work.  No errors, it just doesn't ds.fill() or anything.
 
Are these endpoints supposed to point to the CF server (SRV2)... or one to the 
CF server and one to the FDS server... or to the FDS server (SRV1)?  How do I 
know what port to specify for the AMFEndpoint?  How does the whole 
messagebroker/cfamfpolling path work when there's nothing under there?  I'm 
pretty lost when it comes to configuring endpoints in general.
 
Thanks!
Darren

[flexcoders] Programmatically Define Service Adapter

[Darren Houle]

I've found AS code examples for dynamically/programmatically defining 
channel sets, channels, RemoteObjects, endpoint URI's, etc for RPC services 
at runtime... but nowhere can I find an example of someone 
defining/selecting an adapter (adapter-definition) to use.  IE the 
JavaAdapter, ColdfusionAdapter, etc.  Anyone know how to do this or where to 
find an AS code example?

Thanks!
Darren

RE: [flexcoders] FDS to CF RemoteObject

[Darren Houle]

Probably the easiest thing to do is to setup a crossdomain.xml file on
your CF server. This should be setup to allow SWFs hosted on your FDS
server to make connections to CF.

I didn't think I needed a crossdomain file if the FDS server and CF server 
were running on localhost:8700 and localhost:80 ...?


For the CF side of things, you can probably leave the configuration with
its defaults. You just need to take a look at the endpoint uri
attribute in the channel-definition and then set that as the endpoint
attribute on the mx:RemoteObject tag, and then consider the remoting
service destination. You can either create your own destination or rely
on the default ColdFusion destination

Well, when I copy the service tags from the services-config on my CF server 
(which works) to the services-config on my FDS server, I get the following 
in the FDS console window...

03/16 12:40:25 error Could not pre-load servlet: MessageBrokerServlet
[1]flex.messaging.MessageException: Cannot create class of type
'coldfusion.flash.messaging.ColdFusionAdapter'.
Type 'coldfusion.flash.messaging.ColdFusionAdapter' not found.

but... if I change the adapter type from the 
coldfusion.flash.messaging.ColdFusionAdapter to the
flex.messaging.services.remoting.adapters.JavaAdapter I get cannot create 
class of type transfer_center.cf.transfer_center returned in the RO call's 
event.fault.faultString (the path to my CFC is 
localhost\transfer_center\cf\transfer_center.cfc)

Can't you use the ColdFusion adapter when the Flex client is compiled and 
served from the FDS server?

Darren





From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Darren Houle
Sent: Thursday, March 15, 2007 7:41 PM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] FDS to CF RemoteObject



Peter,

Awesome advice, yes, I've found several reasons I'd rather do it
programatically. Thanks! But... my question still remains what
channel(s), adapter(s), and destination setting(s) do I use (xml or
programatically) to have my Flex client, served from an FDS server, call
ROs
on a paralell CF Ent server?

Darren

 From: Peter Farland [EMAIL PROTECTED] mailto:pfarland%40adobe.com
 
 Reply-To: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: RE: [flexcoders] FDS to CF RemoteObject
 Date: Thu, 15 Mar 2007 13:32:43 -0700
 
 In FDS 2.0.1 and CF 7.0.2 I would use the services-config.xml for the
 new Flex Data Management stuff, and just programmatically create a
 ChannelSet for my RemoteObject and avoid channel configuration for this
 simpler use case. For RPC services like RemoteObject, compiling against
 a config file is only meant to be a convenience so that the compiler
 will generate some code for you to create a matching ChannelSet for a
 destination... you can always just do this yourself in ActionScript.
 
 Pete
 
 
 
 From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
] On
 Behalf Of Darren Houle
 Sent: Thursday, March 15, 2007 3:56 PM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 Subject: [flexcoders] FDS to CF RemoteObject
 
 
 
 I have built a Flex app that loads from the CF server and successfully
 calls
 a RemoteObject (CFC) back on that same CF server. I'm using the basic
 ColdFusion destination in the services-config.xml which looks like...
 
 channels
 channel-definition id=my-cfamf
 class=mx.messaging.channels.AMFChannel
 endpoint
 uri=http://{server.name}:{server.port}/{context.root}/flex2gateway/;
 class=flex.messaging.endpoints.AMFEndpoint/
 properties
 polling-enabledfalse/polling-enabled
 serialization
 instantiate-typesfalse/instantiate-types
 /serialization
 /properties
 /channel-definition
 /channels
 
 services
 service id=coldfusion-flashremoting-service
 class=flex.messaging.services.RemotingService
 messageTypes=flex.messaging.messages.RemotingMessage
 adapters
 adapter-definition id=cf-object
 class=coldfusion.flash.messaging.ColdFusionAdapter default=true/
 /adapters
 destination id=ColdFusion
 channels
 channel ref=my-cfamf/
 /channels
 properties
 source*/source
 access
 use-mappingsfalse/use-mappings
 method-access-levelremote/method-access-level
 /access
 property-case
 force-cfc-lowercasefalse/force-cfc-lowercase
 force-query-lowercasefalse/force-query-lowercase
 force-struct-lowercasefalse/force-struct-lowercase
 /property-case
 /properties
 /destination
 /service
 /services
 
 That works fine, but I have just installed FDS w/integrated Jrun on the
 same
 physical box CF Enterprise is running on. What I need to do is move
this
 
 Flex app to the newly installed FDS server so that I can add Data
 Management
 functionality to the app, but I want the app to also continue using
that
 
 existing RemoteObject call. I realize I can't use the same CF channel
or
 
 service definitions

[flexcoders] FDS to CF RemoteObject

[Darren Houle]

I have built a Flex app that loads from the CF server and successfully calls 
a RemoteObject (CFC) back on that same CF server.  I'm using the basic 
ColdFusion destination in the services-config.xml which looks like...

   channels
  channel-definition id=my-cfamf 
class=mx.messaging.channels.AMFChannel
 endpoint 
uri=http://{server.name}:{server.port}/{context.root}/flex2gateway/; 
class=flex.messaging.endpoints.AMFEndpoint/
 properties
polling-enabledfalse/polling-enabled
serialization
   instantiate-typesfalse/instantiate-types
/serialization
 /properties
  /channel-definition
   /channels

   services
  service id=coldfusion-flashremoting-service 
class=flex.messaging.services.RemotingService 
messageTypes=flex.messaging.messages.RemotingMessage
  adapters
 adapter-definition id=cf-object 
class=coldfusion.flash.messaging.ColdFusionAdapter default=true/
  /adapters
  destination id=ColdFusion
 channels
channel ref=my-cfamf/
 /channels
 properties
source*/source
access
   use-mappingsfalse/use-mappings
   method-access-levelremote/method-access-level
/access
property-case
   force-cfc-lowercasefalse/force-cfc-lowercase
   force-query-lowercasefalse/force-query-lowercase
   force-struct-lowercasefalse/force-struct-lowercase
/property-case
 /properties
  /destination
   /service
/services

That works fine, but I have just installed FDS w/integrated Jrun on the same 
physical box CF Enterprise is running on.  What I need to do is move this 
Flex app to the newly installed FDS server so that I can add Data Management 
functionality to the app, but I want the app to also continue using that 
existing RemoteObject call.  I realize I can't use the same CF channel or 
service definitions in the FDS services-config.xml, but what do I use?  I've 
tried many unsuccessful combinations including...

channels
   channel-definition id=cf-amf class=mx.messaging.channels.AMFChannel
  endpoint uri=http://localhost/{context.root}/messagebroker/amf; 
class=flex.messaging.endpoints.AMFEndpoint/
  properties
 polling-enabledfalse/polling-enabled
  /properties
   /channel-definition
/channels

services
   service id=remoting-service 
class=flex.messaging.services.RemotingService 
messageTypes=flex.messaging.messages.RemotingMessage
  adapters
 adapter-definition id=java-object 
class=flex.messaging.services.remoting.adapters.JavaAdapter 
default=true/
  /adapters
  default-channels
 channel ref=cf-amf/
  /default-channels
  destination id=TransferCenterAuth
 properties
source*/source
scoperequest/scope
 /properties
  /destination
   /service
/services

Is there a simple solution for using RO's in FDS when redirecting them to a 
parallel CF server, or do I have to set up all kinds of complicated 
channels, destinations, and messaging gateways on both servers just to call 
a RO?

Thanks!

Darren

RE: [flexcoders] FDS to CF RemoteObject

[Darren Houle]

Peter,

Awesome advice, yes, I've found several reasons I'd rather do it 
programatically.  Thanks!  But... my question still remains what 
channel(s), adapter(s), and destination setting(s) do I use (xml or 
programatically) to have my Flex client, served from an FDS server, call ROs 
on a paralell CF Ent server?

Darren



From: Peter Farland [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] FDS to CF RemoteObject
Date: Thu, 15 Mar 2007 13:32:43 -0700

In FDS 2.0.1 and CF 7.0.2 I would use the services-config.xml for the
new Flex Data Management stuff, and just programmatically create a
ChannelSet for my RemoteObject and avoid channel configuration for this
simpler use case. For RPC services like RemoteObject, compiling against
a config file is only meant to be a convenience so that the compiler
will generate some code for you to create a matching ChannelSet for a
destination... you can always just do this yourself in ActionScript.

Pete



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Darren Houle
Sent: Thursday, March 15, 2007 3:56 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] FDS to CF RemoteObject



I have built a Flex app that loads from the CF server and successfully
calls
a RemoteObject (CFC) back on that same CF server. I'm using the basic
ColdFusion destination in the services-config.xml which looks like...

channels
channel-definition id=my-cfamf
class=mx.messaging.channels.AMFChannel
endpoint
uri=http://{server.name}:{server.port}/{context.root}/flex2gateway/;
class=flex.messaging.endpoints.AMFEndpoint/
properties
polling-enabledfalse/polling-enabled
serialization
instantiate-typesfalse/instantiate-types
/serialization
/properties
/channel-definition
/channels

services
service id=coldfusion-flashremoting-service
class=flex.messaging.services.RemotingService
messageTypes=flex.messaging.messages.RemotingMessage
adapters
adapter-definition id=cf-object
class=coldfusion.flash.messaging.ColdFusionAdapter default=true/
/adapters
destination id=ColdFusion
channels
channel ref=my-cfamf/
/channels
properties
source*/source
access
use-mappingsfalse/use-mappings
method-access-levelremote/method-access-level
/access
property-case
force-cfc-lowercasefalse/force-cfc-lowercase
force-query-lowercasefalse/force-query-lowercase
force-struct-lowercasefalse/force-struct-lowercase
/property-case
/properties
/destination
/service
/services

That works fine, but I have just installed FDS w/integrated Jrun on the
same
physical box CF Enterprise is running on. What I need to do is move this

Flex app to the newly installed FDS server so that I can add Data
Management
functionality to the app, but I want the app to also continue using that

existing RemoteObject call. I realize I can't use the same CF channel or

service definitions in the FDS services-config.xml, but what do I use?
I've
tried many unsuccessful combinations including...

channels
channel-definition id=cf-amf
class=mx.messaging.channels.AMFChannel
endpoint uri=http://localhost/{context.root}/messagebroker/amf;
class=flex.messaging.endpoints.AMFEndpoint/
properties
polling-enabledfalse/polling-enabled
/properties
/channel-definition
/channels

services
service id=remoting-service
class=flex.messaging.services.RemotingService
messageTypes=flex.messaging.messages.RemotingMessage
adapters
adapter-definition id=java-object
class=flex.messaging.services.remoting.adapters.JavaAdapter
default=true/
/adapters
default-channels
channel ref=cf-amf/
/default-channels
destination id=TransferCenterAuth
properties
source*/source
scoperequest/scope
/properties
/destination
/service
/services

Is there a simple solution for using RO's in FDS when redirecting them
to a
parallel CF server, or do I have to set up all kinds of complicated
channels, destinations, and messaging gateways on both servers just to
call
a RO?

Thanks!

Darren

Re: [flexcoders] FDS services-config for CFC's

[Darren Houle]

From: Tom Chiverton [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] FDS services-config for CFC's
Date: Fri, 9 Mar 2007 14:34:19 +

On Friday 09 Mar 2007, Darren Houle wrote:
  You don't install FDS on Coldfusion 7.0.2, it includes built in support 
for
  FDS with CFCs

It does ?!?
You're not confusing FDS with plain Remoting are you ?


I don't think so.

In the 7.0.2 CFIDE (CF Administrator) if you click Data  Services and 
then Flex Integration you get a page with several settings.  There are two 
checkboxes at the very top...

Enable Flash Remoting support
This enables a Flash client to connect to this ColdFusion server and invoke 
ColdFusion Components (CFCs). If you are not using this feature, it is 
recommended that it be disabled.

Enable Flex Data Management support
This enables Flex Data Services to connect to this ColdFusion server and use 
ColdFusion Components (CFCs) as the implementation for the reading and 
updating of data that supports a Flex application. If you are not using this 
feature, it is recommended that it be disabled.

and the CFIDE help file for this admin page adds this...

Enable Flash Remoting support
Specifies whether to enable Flash clients to connect to this ColdFusion 
server and invoke methods in ColdFusion components (CFCs).

Enable Flex Data Management support
Specifies whether to enable a Flex Data Services server to connect to this 
ColdFusion server and invoke methods in CFCs to fill, sync, get, or count 
records in a result set used in a Flex application.

I see fill and Flex Data Services and CFC's, so... If I'm misunderstanding 
something then someone *please* correct me.  Is FDS in there already, or 
does this just allow CF to talk to an FDS app but you still have to install 
something somewhere?

From what I understand CF is a big java app that can be installed on an 
existing instance of JRun, or else by default CF installs on a bare server 
with it's own internal JRun, so... if you wanted to install FDS express on 
CF you wouldn't use the integrated JRun version because then you'd have 
two JRun's... but you could install FDS as a J2EE app on your existing 
JRun... IF... the CFIDE didn't have those checkboxes under Flex Integration 
to confuse things.

So... I'm *assuming* I can use the Flex Builder Extensions to view RDS, 
select a database and table, click Generate CFCs, create the assembler, dao, 
and bean, drop them in my CF site, enable the FDS checkbox in CFIDE, and 
then... what?  I need to map some things in the services-config.xml file.  
Do I specify an adapter? or just the service-to-assembler cfc path?  
*Something* has to be mapped, right?

If I could just get an example / sample services-config.xml where someone is 
using FDS with CF CFCs I'd be fine.

Darren

Re: [flexcoders] FDS services-config for CFC's

[Darren Houle]

Okay, but... install it how, where?  Not using the integrated JRun server, 
right, because CF is already running on an app server, right?  So where do 
you unpack the fds war file?  Into which directory under the CF Enterprise 
install?

Darren


From: João Fernandes [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] FDS services-config for CFC's
Date: Fri, 09 Mar 2007 16:06:06 +

Data management option in the CF admin is just to allow CF to be
contacted by a FDS server. No FDS is integrated with CF.

Install FDS express and look at those resources/config folder that I
mentioned before. There is everything you'll need.

João Fernandes





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[flexcoders] FDS services-config for CFC's

[Darren Houle]

There seems to be lots of services-config.xml samples out there for defining 
FDS destinations using the java and hibernate adapters, but I can't seem to 
find a sample that details how to define an FDS destination when using CFC's 
as your assembler/dao/bean.  Does anyone know where I could find one?

Thanks
Darren

Re: [flexcoders] FDS services-config for CFC's

[Darren Houle]

You don't install FDS on Coldfusion 7.0.2, it includes built in support for 
FDS with CFCs, but there's no instructions or sample files anywhere that 
describe how to configure the services-config.xml destination or what (if 
any) adapter to use.

Darren


From: João Fernandes [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] FDS services-config for CFC's
Date: Thu, 08 Mar 2007 22:33:22 +

Darren,

When you install FDS you'll get a resource folder, inside you have what
you're looking for.

João Fernandes




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[flexcoders] FDS and single items

[Darren Houle]

I am developing my first FDS application.  It's small, and basically just a 
big form comprised of about 75 fields;  radio groups, comboboxes, text 
inputs, etc.

Each time a new form is submitted it creates one row in a large table.  The 
form can be retreived and edited later, which just updates the values in 
that existing row.

Since two or three people can have the same form (record) open at the same 
time, I would like to use FDS to manage the data and stop them from 
overwriting each other when they click save but... the FDS documentation 
and tutorials state in several places that you can only manage 
ArrayCollections of objects.  Problem is that in my case I couldn't possibly 
pull over 3000 records into an ArrayCollection, it would be too big and 
slow.

Is there a way to retreive and manage a single custom object containing a 
single form/record instead of an entire ArrayCollection of objects?  Any 
examples or tutorials out there showing how to do this?  Could I possibly 
use some function to identify  select a single record, and then pull that 
one record over into an ArrayCollection that FDS would manage?  That seems a 
little cumbersome.

Darren

[flexcoders] ChangeWatcher inside Cairngorm ModelLocator

[Darren Houle]

I'm building a Cairngorm app and trying to use a ChangeWatcher in the 
ModelLocator, but I can't seem to get it to work.

In the ModelLocator, I create a few vars like normal, and then in the 
Constructor I call initDefaults() that inits all the app vars (handy for 
when the user logs out and then logs right back in, it's an easy way to 
reset everything at login.)

Anyway, after initDefaults() completes there should be a ChangeWatcher 
attached to the ArrayCollection's source, which is empty at init, but when I 
later fire an RPC to get data and populate the ArrayCollection (which works 
fine) the ChangeWatcher doesn't see it... I never make it into 
watcherHandler() even though the source of the ArrayCollection changes.

What am I doing wrong?  Am I missing something obvious?

Thanks!
Darren




package org.myCompany.myApp.model {

import com.adobe.cairngorm.model.ModelLocator;
import mx.collections.ArrayCollection;
import mx.binding.utils.ChangeWatcher;
import mx.events.PropertyChangeEvent;

[Bindable]
public class AppModelLocator implements ModelLocator {

private static var modelLocator : AppModelLocator;
public var qAcctVO : ArrayCollection;
public var myQWatcher : ChangeWatcher;

// singleton
public static function getInstance() : AppModelLocator {
if ( modelLocator == null )
modelLocator = new AppModelLocator();
return modelLocator;
}

// constructor
public function AppModelLocator() {
if ( modelLocator != null )
throw new Error( Only one ModelLocator instance can be 
instantiated );
// init model vars
initDefaults();
}

// run when constructed and from subsequent LoginCommand calls
public function initDefaults() : void {
qAcctVO = new ArrayCollection();
myQWatcher = ChangeWatcher.watch(qAcctVO, source, 
watcherHandler);
}

// changewatcher should fire this function when ArrayCollection 
changes
public function watcherHandler(event:PropertyChangeEvent):void {
// do something
}
}
}




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RE: [flexcoders] ChangeWatcher inside Cairngorm ModelLocator

[Darren Houle]

Okay, so I think I see that you can't use a ChangeWatcher to simply watch 
for a change to an ArrayCollection, you use a ChangeWatcher to watch a 
binding, so...

I use BindingUtils to create a binding between the ArrayCollection source 
property and a ModelLocator dummy property.  Then I create a ChangeWatcher 
to watch that new binding.

public var qAcctVO : ArrayCollection;
public var qDummy : Array;
public var qBinding : ChangeWatcher;
public var qWatcher : ChangeWatcher;

public function initDefaults() : void {
qAcctVO = new ArrayCollection();
qBinding = BindingUtils.bindProperty(this, qDummy, qAcctVO, source);
qWatcher = ChangeWatcher.watch(this, qDummy, watchHandler);
}

Although that now seems to make perfect sense to me, it still doesn't 
work... it never runs watchHandler() even when the debugger shows the source 
property change.  Anyone?

Darren


From: Darren Houle [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] ChangeWatcher inside Cairngorm ModelLocator
Date: Fri, 15 Sep 2006 10:59:45 -0400

I'm building a Cairngorm app and trying to use a ChangeWatcher in the
ModelLocator, but I can't seem to get it to work.

In the ModelLocator, I create a few vars like normal, and then in the
Constructor I call initDefaults() that inits all the app vars (handy for
when the user logs out and then logs right back in, it's an easy way to
reset everything at login.)

Anyway, after initDefaults() completes there should be a ChangeWatcher
attached to the ArrayCollection's source, which is empty at init, but when 
I
later fire an RPC to get data and populate the ArrayCollection (which works
fine) the ChangeWatcher doesn't see it... I never make it into
watcherHandler() even though the source of the ArrayCollection changes.

What am I doing wrong?  Am I missing something obvious?

Thanks!
Darren




package org.myCompany.myApp.model {

 import com.adobe.cairngorm.model.ModelLocator;
 import mx.collections.ArrayCollection;
 import mx.binding.utils.ChangeWatcher;
 import mx.events.PropertyChangeEvent;

 [Bindable]
 public class AppModelLocator implements ModelLocator {

 private static var modelLocator : AppModelLocator;
 public var qAcctVO : ArrayCollection;
 public var myQWatcher : ChangeWatcher;

 // singleton
 public static function getInstance() : AppModelLocator {
 if ( modelLocator == null )
 modelLocator = new AppModelLocator();
 return modelLocator;
 }

 // constructor
 public function AppModelLocator() {
 if ( modelLocator != null )
 throw new Error( Only one ModelLocator instance can be
instantiated );
 // init model vars
 initDefaults();
 }

 // run when constructed and from subsequent LoginCommand calls
 public function initDefaults() : void {
 qAcctVO = new ArrayCollection();
 myQWatcher = ChangeWatcher.watch(qAcctVO, source,
watcherHandler);
 }

 // changewatcher should fire this function when ArrayCollection
changes
 public function watcherHandler(event:PropertyChangeEvent):void {
 // do something
 }
 }
 }




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RE: [flexcoders] ChangeWatcher inside Cairngorm ModelLocator

[Darren Houle]

Okay, that's downright annoying.  I got it to work by doing the opposite of 
what the documentation says to do.  I'm not binding to property to property, 
I'm binding object to object...

public var qAcctVO : ArrayCollection;
public var qDummy : Array;
public var qBinding : ChangeWatcher;
public var qWatcher : ChangeWatcher;

public function initDefaults() : void {
qAcctVO = new ArrayCollection();
qBinding = BindingUtils.bindProperty(this, qDummy, this, qAcctVO);
qWatcher = ChangeWatcher.watch(this, qDummy, watchHandler);
}

The documentation for bindProperty() says Binds a public property prop on 
the site:Object, to a bindable property or property chain. The constructor 
requires a site property to be bound to a host property.  It also says that 
you'll know the properties you can bind to because they'll say This 
property can be used as the source for data binding.  Nowhere does can I 
find where it says you can just bind a site Obj to a host Obj.  Not only 
that but binding the AC.source property to another AC.source property didn't 
even work, as the documentation would have you believe.  What's up with 
this?

Darren



From: Darren Houle [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] ChangeWatcher inside Cairngorm ModelLocator
Date: Fri, 15 Sep 2006 10:59:45 -0400

I'm building a Cairngorm app and trying to use a ChangeWatcher in the
ModelLocator, but I can't seem to get it to work.

In the ModelLocator, I create a few vars like normal, and then in the
Constructor I call initDefaults() that inits all the app vars (handy for
when the user logs out and then logs right back in, it's an easy way to
reset everything at login.)

Anyway, after initDefaults() completes there should be a ChangeWatcher
attached to the ArrayCollection's source, which is empty at init, but when 
I
later fire an RPC to get data and populate the ArrayCollection (which works
fine) the ChangeWatcher doesn't see it... I never make it into
watcherHandler() even though the source of the ArrayCollection changes.

What am I doing wrong?  Am I missing something obvious?

Thanks!
Darren




package org.myCompany.myApp.model {

 import com.adobe.cairngorm.model.ModelLocator;
 import mx.collections.ArrayCollection;
 import mx.binding.utils.ChangeWatcher;
 import mx.events.PropertyChangeEvent;

 [Bindable]
 public class AppModelLocator implements ModelLocator {

 private static var modelLocator : AppModelLocator;
 public var qAcctVO : ArrayCollection;
 public var myQWatcher : ChangeWatcher;

 // singleton
 public static function getInstance() : AppModelLocator {
 if ( modelLocator == null )
 modelLocator = new AppModelLocator();
 return modelLocator;
 }

 // constructor
 public function AppModelLocator() {
 if ( modelLocator != null )
 throw new Error( Only one ModelLocator instance can be
instantiated );
 // init model vars
 initDefaults();
 }

 // run when constructed and from subsequent LoginCommand calls
 public function initDefaults() : void {
 qAcctVO = new ArrayCollection();
 myQWatcher = ChangeWatcher.watch(qAcctVO, source,
watcherHandler);
 }

 // changewatcher should fire this function when ArrayCollection
changes
 public function watcherHandler(event:PropertyChangeEvent):void {
 // do something
 }
 }
 }




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[flexcoders] WebService vs RemoteObject

[Darren Houle]

This was not designed as a controlled experiment, just something I coded, 
noticed, and thought I'd pass on...

I'm building a small Cairngorm application and one of it's functions is to 
display two sets of network user accounts in two datagrids.  Initially I 
used a WebService to call a Coldfusion CFC that returns simple Query objects 
pulled from an Oracle database.  Datagrid 1 retrieves and displays about 400 
accounts, and datagrid 2 about 3000 accounts.

Using a WebService the retreival time appeared to be about 2-3 seconds 
(roughly based on the amount of time the showCursor clock was spinning) 
before the result handler fired, and the render time to fit the data into 
the grids was approximately another 6-7 seconds.

I just converted all the RPC calls to RemoteObject calls and now the total 
retrieval AND render time is well under 2 seconds total.

Retrieval time is faster (the spinning cursor is almost non existent) and 
the render time is insanely fast.  I'm guessing that AMF and not needing to 
parse thru the SOAP return payloadmade the difference.  Pull back a simple 
boolean with either type of RPC call, not so much, but pull back 3500 
records and you *definitely* see a difference with RemoteObject.

Darren




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Re: [flexcoders] RemoteObject Setup

[Darren Houle]

Very cool, thanks again Gred :-)

Darren



From: greg h [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] RemoteObject Setup
Date: Wed, 6 Sep 2006 21:02:21 -0700

Darren,

Glad to hear that you got Ben's Phone Selector Sample Application up and
going.  It is pretty sweet, isn't it?

Now that you have your basic CF/Flex Builder 2/mx:RemoteObject
configuration working, you might want to also check out some of the other
amazing goodies that the good folks at Adobe put together specifically for
CF developers moving to Flex 2 and using mx:RemoteObject

First on my list is the Flex Builder 2 ColdFusion/Flex Application
Wizard.  Essentially it is a code generator.  You use a visual query
builder that is provided to build SQL against any tables in your
datasources, and off the Wizard goes to create everything else:  CFCs and
MXML. (And of course the MXML uses mx:RemoteObject to call the methods on
the CFCs that are generated.  Pretty much RAD at its finest!)

There are two links for Captivate demos that provide introductions to using
the App Gen Wizard at the following link (total runtime of the two demos
combined is about 23 minutes):
www.adobe.com/devnet/coldfusion/articles/wizards.html
(There is also a link there for a third Captivate demo of Other Wizards 
and
Utilities that are also a part of the ColdFusion Extensions for Flex
Builder 2.)

fyi ... At the end of your Flex Builder 2 installation a pop-up prompted 
you
to install the ColdFusion Extensions for Flex Builder 2.  You can check if
you have them installed by going to the main menu in Flex Builder 2 and
going to either:
1) File -- New -- Other -- ColdFusion Wizards
2) Window -- Other Views -- ColdFusion
If you do not see either of these, post back and I will dig up the
instructions on how to install the Extensions.

The documentation for the ColdFusion Extensions for Flex Builder 2 is in
Chapter 5 of the documentation that can be download from here:
http://download.macromedia.com/pub/documentation/en/flex/2/using_cf_with_flex2.pdf

Lastly, Nahuel Foronda and Laura Arguello published an article last month 
in
the ColdFusion Developer's Journal that also focuses on using
mx:RemoteObject and is entitled Your First Flex Application with a
ColdFusion Backend: The wow factor plus usability
http://coldfusion.sys-con.com/read/256076_1.htm
I have not yet had a chance to go through this article, but Nahuel and 
Laura
do top notch work, so I expect that this article will be another great
resource.

Happy Flexing!

g

On 9/6/06, Darren Houle [EMAIL PROTECTED] wrote:

   Greg, where do I send the check? :-)

It did work, although I had to tweak a little... the
CFIDE.samples.Phones.CF.Catalog path is hard-coded all over the place
and
I used a different path. Ben also forgot a file in his instructions (you
have to copy over the Thumbs.mxml file too) but that was obvious and I got

it working. Now I get to take it apart and learn how to plug RemoteObjects

into my own projects.

Thanks Greg!!





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Re: [flexcoders] RemoteObject Setup

[Darren Houle]

Actually Greg I do have a question.

I downloaded the zip (thanks!) and started in on the instructions but hit a 
problem right away...

Step 2 says Create a folder named Phones in the CFIDE/samples folder (under 
the web root). If a folder named samples does not exist under your CFIDE 
folder, create it.  Note: You must place the application (both the 
ColdFusion and Flex bits) under the Web root.

Here's my dilema... It says the Web root must have a WEB-INF/flex folder 
under it, and by default this is under C:\CFusionMX7\wwwroot.  But if I 
build an app using RemoteObjects and I have to place code there how will I 
deploy this to a hosting provider?  They don't allow access to that 
directory on their shared plans.  I only have access to the web root of my 
website, not the web root of the CF server itself.

Am I misunderstanding, or... is there a way around this, or... is this a 
limitation of RemoteObject, or...?

Thanks!
Darren




From: greg h [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] RemoteObject Setup
Date: Tue, 5 Sep 2006 14:36:39 -0700

Darren,

You might want to check out Ben Forta's article up on DevNet on Using
ColdFusion with Flex: Creating and Running a Phone Selector.
www.adobe.com/devnet/flex/articles/coldfusionflex_part3.html

Ben's article provides a zip file and detailed instructions.  All files
needed are provided for installing:

   - a CFC that reads an XML file
   - Flex 2 MXML files that use mx:RemoteObject to call the CFC which
   returns text that is presented in the Flex 2 app along with appropriate 
gif
   images.

Altogether, it is a pretty simple, straightforward starter application.

If you can get Ben's Phone Selector application working, then you will have
a working Flex 2/CF configuration, and a working application that you can
model your own applications on.

Please post back if you encounter any problems, or if this sample
application is not consistent with what you are looking for.

hth,

g




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Re: [flexcoders] RemoteObject Setup

[Darren Houle]

Greg, where do I send the check? :-)

It did work, although I had to tweak a little... the 
CFIDE.samples.Phones.CF.Catalog path is hard-coded all over the place and 
I used a different path.  Ben also forgot a file in his instructions (you 
have to copy over the Thumbs.mxml file too) but that was obvious and I got 
it working.  Now I get to take it apart and learn how to plug RemoteObjects 
into my own projects.

Thanks Greg!!
Darren




From: greg h [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] RemoteObject Setup
Date: Wed, 6 Sep 2006 09:04:45 -0700

Darren,

No problem.  You will just create a duplicate directory structure and file
in your deploy directory.  And it really is just the file
services-config.xml.  So you create:
wwwroot\WEB-INF\flex\services-config.xml

Could you try deploying Ben's Phone Selector Sample Application on your
hosted account and see if this works?  (fyi ... Be sure to confirm they are
running CF 7.0.2.)

I have CF behind Apache and the remoting/RemoteObject work fine.

If you run into any problems, please post back.

hth,

g


On 9/6/06, Darren Houle [EMAIL PROTECTED] wrote:

   Actually Greg I do have a question.

I downloaded the zip (thanks!) and started in on the instructions but hit
a problem right away...

Step 2 says Create a folder named Phones in the CFIDE/samples folder
(under the web root). If a folder named samples does not exist under your
CFIDE folder, create it. Note: You must place the application (both the
ColdFusion and Flex bits) under the Web root.

Here's my dilema... It says the Web root must have a WEB-INF/flex folder
under it, and by default this is under C:\CFusionMX7\wwwroot. But if I 
build
an app using RemoteObjects and I have to place code there how will I 
deploy
this to a hosting provider? They don't allow access to that directory on
their shared plans. I only have access to the web root of my website, 
not
the web root of the CF server itself.

Am I misunderstanding, or... is there a way around this, or... is this a
limitation of RemoteObject, or...?

Thanks!
Darren

 From: greg h [EMAIL PROTECTED] flexsavvy%40gmail.com
 Reply-To: flexcoders@yahoogroups.com flexcoders%40yahoogroups.com
 To: flexcoders@yahoogroups.com flexcoders%40yahoogroups.com
 Subject: Re: [flexcoders] RemoteObject Setup
 Date: Tue, 5 Sep 2006 14:36:39 -0700

 
 Darren,
 
 You might want to check out Ben Forta's article up on DevNet on Using
 ColdFusion with Flex: Creating and Running a Phone Selector.
 www.adobe.com/devnet/flex/articles/coldfusionflex_part3.html
 
 Ben's article provides a zip file and detailed instructions. All files
 needed are provided for installing:
 
  - a CFC that reads an XML file
  - Flex 2 MXML files that use mx:RemoteObject to call the CFC which
  returns text that is presented in the Flex 2 app along with appropriate
 gif
  images.
 
 Altogether, it is a pretty simple, straightforward starter application.
 
 If you can get Ben's Phone Selector application working, then you will
have
 a working Flex 2/CF configuration, and a working application that you 
can
 model your own applications on.
 
 Please post back if you encounter any problems, or if this sample
 application is not consistent with what you are looking for.
 
 hth,
 
 g







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[flexcoders] RemoteObject Setup

[Darren Houle]

Can anyone point me to concise setup instructions for starting to use 
RemoteObjects?

For instance...

1.  Make sure you have CF 7.0.2
2.  Write some CFCs and put them here [...]
3.  Edit the remoting-config.xml in CF and add this code [...] to point to 
your CFCs
4.  Create remoteObject tags in mxml that look like this [...]
5.  etc

Something that spells it out fairly simply?

Thanks!
Darren




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RE: [flexcoders] HTTPService Result to ArrayCollection

[Darren Houle]

Depends on your XML data.  An ArrayCollection is basically an Array of 
Arrays, so... if your XML is complicated and multilayered with lots of 
nested tags in nested tags I'm not sure you can easily convert it to an 
ArrayCollection.  But... if your XML looks something like this:

person
nameJohn/name
nameJames/name
nameJude/name
/person
person
nameMark/name
nameLuke/name
nameMatthew/name
/person

Then you might have a chance :-)

Darren






From: DJ Lift [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] HTTPService Result to ArrayCollection
Date: Tue, 29 Aug 2006 18:09:58 -

Hi there,
I'm new and I don't understand something :)
Hopefully someone can help me out.

I have a datagrid that I am attempting to populate.
I've been able to successfully populate the grid with xml from and 
HTTPService with no
problem.

But now I want to be able to filter and create specific sort functions for 
the grid, which I
understand requires the dataProvider for the dataGrid to be an 
ArrayCollection. Is this
true?

If so, can i somehow take the XML result from the HTTPService and make an
ArrayCollection out of it? I'm having trouble attempting this.

Below is what i have so far...

mx:HTTPService id=jobInfoReq
   url=http://mccray/~mm/oracle/joblookup.php;
   useProxy=false
   method=GET
   showBusyCursor=true
mx:request xmlns=
  pirateLoc{pirateLocSelector.label}/pirateLoc
  pirateClient{pirateClientSelector.label}/pirateClient
  pirateProduct{pirateProductSelector.label}/pirateProduct
/mx:request
  /mx:HTTPService







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RE: [Junk E-Mail - LOW] [flexcoders] Retriggering a creationComplete function?

[Darren Houle]

I know it's more work, but...

Instead of using creationComplete=someFunction() in your first view, take 
the button/widget or whatever that causes the app to switch over to the 
first view and add your someFunction() to that button/widget's click= 
event.  In other words call sommeFunction() every time you click on 
something (which can happen N times) not just at creation (which only 
happens once.)

Darren


From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Stefan Schmalhaus
Sent: Saturday, August 26, 2006 3:33 PM
To: flexcoders@yahoogroups.com
Subject: [Junk E-Mail - LOW] [flexcoders] Retriggering a creationComplete
function?



I have a view component with a creationComplete function. This
component is part of another view that contains different states. When
the first component is created for the first time the
creationComplete function is executed. Later when I switch back to
this state the function isn't executed again. How can I retrigger the
creationComplete function every time I switch to the state that
contains this component?






--
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Checked by AVG Free Edition.
Version: 7.1.405 / Virus Database: 268.11.6/428 - Release Date: 8/25/2006



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Checked by AVG Free Edition.
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RE: [flexcoders] bind enabled to 2 conditions with a logical and

[Darren Houle]

Lisa

mxml files are made out of XML, so you have to obey XML rules, so using 
chars like  and  and  confuse the XML parser.  All you have to do is 
replace them with standard XML entity references... so  becomes amp;amp;

Darren



From: Lisa Nelson [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders]  bind enabled to 2 conditions with a logical and
Date: Fri, 25 Aug 2006 13:34:52 -0700

Dear All,

I have some controls that I only want to be enabled if 2 conditions are
true.  I want to do something like this:

mx:ComboBox id=blah
 dataProvider={someArrayCollection}
 labelField=someField
 change=someFunction();
 enabled={condition1  !condition2} 
/mx:ComboBox

This is the error I get when I try:

The entity name must immediately follow the '' in the entity
reference.

I've tried putting parentheses around the !condition2, but I get the
same error.

Just for giggles I tried using one  instead of two.  Same error.  Is
what I want to do just illegal?  I would much prefer to do this with
bindings than to have to capture every place where condition1 and
condition2 might change and explicitly set the enabled property.

--L




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RE: [flexcoders] Re: Choice of backend systems - which provides best functionality

[Darren Houle]

Franck,

Makes sense to me.  Do you (or does anyone) know of any open/standards based 
architecture for this SOAP token security?  Any OOTB solutions out there, or 
do I need to redesign the wheel?

Thanks!
Darren




From: Franck de Bruijn [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Re: Choice of backend systems - which provides 
best functionality
Date: Thu, 24 Aug 2006 07:33:13 +0200

Hi Darren,



I developed my webservices such that you have to supply a security token in
the header section of a SOAP operation. By using a security token you
prevent needing to send the user credentials over the line every time for
every request to the back-end. It's a mechanism used heavily in most
web-based systems (including single sign-on). Maybe the difference is that
often these security tokens are sent in by means of cookies. Webservices
don't need cookies; they have a header section (something that simple HTTP
requests/posts don't).



After a successful login operation, a security token is generated and 
stored
in the database together with the necessary user profile information. So,
the user session information is actually stored in the database and not in
the application server. Yes, you have to do an extra query to your database
to get the session information back, but since it's a very simple and fast
query on a primary key it will take be nearly costless.



Databases are around now for more than 20 years. They have been totally
optimized for data storage and data distribution (if you need a clustered
database). It's my belief that databases can do this much better than
application servers (or myself/yourself).



I also try to rule out caching (of dynamic data) in my application servers.
Each normal thinking human being understands that caching (and the
distribution of the cache among your application server cluster) introduces
many headaches. In my experience, when performance issues arise, most often
these are solved by writing cleverer queries, rearchitecting your 
interface,
and even maybe take some consequences in the UI (ok, we don't display that
attribute directly, but behind a tab or something). In my opinion caching 
is
rarely the best solution for performance increase, but probably the easiest
to develop ... and the hardest to maintain.



Cheers,

Franck



   _

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Dave Wolf
Sent: Wednesday, August 23, 2006 11:54 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Choice of backend systems - which provides best
functionality



Darren,

Flex inherits the HTTP session that the page which contained the EMBED
tag acquired. Dont forget that HTTP/HTML is entirely stateless and
yet we can easily secure those. The theory is identical with Flex.

--
Dave Wolf
Cynergy Systems, Inc.
Adobe Flex Alliance Partner
http://www.cynergys http://www.cynergysystems.com ystems.com
http://www.cynergys http://www.cynergysystems.com/blogs ystems.com/blogs

Email: [EMAIL PROTECTED] mailto:dave.wolf%40cynergysystems.com 
stems.com
Office: 866-CYNERGY

--- In [EMAIL PROTECTED] mailto:flexcoders%40yahoogroups.com ups.com,
Darren Houle [EMAIL PROTECTED] wrote:
 
  Franck,
 
  I agree with you, but... how do you handle security in a stateless
back-end?
  I mean... how do you maintain logged-in / user session
information? Or
  unauthorized access of the web services by others? If Flex is
*completely*
  agnostic of the back-end technology then how do you securely link them
  together?
 
  Darren
 
 
 
 
  From: Franck de Bruijn [EMAIL PROTECTED]
  Reply-To: [EMAIL PROTECTED] mailto:flexcoders%40yahoogroups.com
ups.com
  To: [EMAIL PROTECTED] mailto:flexcoders%40yahoogroups.com ups.com
  Subject: RE: [flexcoders] Re: Choice of backend systems - which
provides
  best functionality
  Date: Tue, 22 Aug 2006 18:03:24 +0200
  
  Hi Barry,
  
  
  
  I'm not sure if I can be of much help here. I'm not into PHP, I'm
not into
  FDS and remoting and the AMF protocol that is related to it. For
me, but
  that is totally a personal opinion, the only acceptable solution for
  communication with a back-end is webservices, and nothing else.
Briefly
  here
  are my reasons:
  
  * The coolest thing about Flex is not the graphics ... but that you
  can make your server stateless, meaning that you obtain 100% fail-over
  characteristics including linear scalability. With FDS (or any other
  related
  solution) you highly likely lose this `feature' and my guess is that
  scalability will be tougher to achieve; for sure it is harder to
guarantee
  ... with a stateless server solution you can. And we always want to
grow
  with our applications, don't we???
  * I like to keep my Flex layer totally independent of my back-end
  layer. My back-end layer should not be aware by any means of the client
  technology. With webservices you realize this. With FDS (or any other
  related solution) you get

RE: [flexcoders] Re: How to cast a WebService lastResult when CFC returnType=xml

[Darren Houle]

Mike,

Yes, I'm good with HTTPService, it was WebService that was causing me the 
grief, but I'm good now.

Thanks,
Darren



From: Mike Collins [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: How to cast a WebService lastResult when CFC 
returnType=xml
Date: Thu, 24 Aug 2006 12:39:29 -

I did this with HTTPService with returning an xml as a string from a
cfm.  The HTTPService resultformat is object.  A combo box would us it
this way.

mx:ComboBox width=140 toolTip=Product Filter id=productlist
dataProvider={getSearchCombos.lastResult.searchcombos.product} /

This example shows a piece of xml that has all my combo lists.  This
one is the product array.

For your xml you would use  .lastResult.people.person







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RE: [flexcoders] How to cast a WebService lastResult when CFC returnType=xml

[Darren Houle]

Peter,

Thanks!  But I'm not using the results in a Tree or Grid, which seem to have 
some magical parsing happening inside for you.  I just want to do something 
as simple as pulling a node value out of the incoming SOAP wrapped XML and 
using it in, say, a TextArea.  But... the following doesn't work...

mx:TextArea 
text={MyService.myOperation.lastResult.people.person.firstname} /

nor does

MyService.myOperation.lastResult.people.person[0].firstname
MyService.myOperation.lastResult.person.firstname
MyService.myOperation.lastResult.person[0].firstname

or any other pattern I've tried.  Amy suggested referencing the path all the 
way from the root node of the SOAP packet itself and treating the entire 
SOAP message as a bix XML result, instead of just the node path of the 
result.  Something like...

MyService.myOperation.lastResult.myOperationResult.people.person.firstname

but I couldn't get that to work either.

Darren






From: Peter Watson [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] How to cast a WebService lastResult when CFC 
returnType=xml
Date: Wed, 23 Aug 2006 07:29:48 -0700

Darren,

If your XML nodes have attributes (ie. node label=foo/node) - you
can use the 'labelField' attribute to control the labels.

 mx:Tree id=myTree labelField=@label/

If they don't (ie. foobar/foo) - or if you want to do any sort of
custom label logic, you need to use the 'labelFunction' attribute to set
the values appropriately.

mx:Tree id=myTree2 labelFunction=myLabelFunc/

 public function myLabelFunc (item:XML):String{

 //if node has children

 if(item.children().toString() !=
''){

 return item.name();

 }

 //no children, it's a leaf so get
the value

 else{

 return
item.toXMLString();

 }

 }





regards,

peter







From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Darren Houle
Sent: Monday, August 21, 2006 4:33 PM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] How to cast a WebService lastResult when CFC
returnType=xml



Bump??

Darren

 From: Darren Houle [EMAIL PROTECTED] mailto:lokka_%40hotmail.com
 
 Reply-To: flexcoders@yahoogroups.com
mailto:flexcoders%40yahoogroups.com
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 Subject: [flexcoders] How to cast a WebService lastResult when CFC
 returnType=xml
 Date: Fri, 18 Aug 2006 23:08:44 -0400
 
 I have a ColdFusion Component (web service) that looks like...
 
 cffunction name=getEmployees access=remote output=false
 returntype=xml
  cfxml variable=myxml
  people
  person
  firstnameJohn/firstname
  lastnameSmith/lastname
  job
  titleDoctor/title
  descriptionblah blah blah/description
  /job
  /person
  person
  firstnameJane/firstname
  lastnameDoe/lastname
  job
  titleLawyer/title
  descriptionblah blah blah/description
  /job
  /person
  /people
  /cfxml
  cfreturn myxml
 /cffunction
 
 and some Flex code that looks like...
 
 ?xml version=1.0 encoding=utf-8?
 mx:Application
  xmlns:mx=http://www.adobe.com/2006/mxml
http://www.adobe.com/2006/mxml 
  creationComplete=TestService.getEmployees.send();
  mx:WebService id=TestService wsdl=http://localhost/hr.cfc?wsdl
http://localhost/hr.cfc?wsdl 
  mx:operation name=getEmployees /
  /mx:WebService
  mx:Tree
  id=myTree
  width=50%
  height=50%
  showRoot=false
  dataProvider={TestService.getEmployees.lastResult}/
 /mx:Application
 
 But what I get is a Tree that looks like:
 
 Flex doesn't seem to be able to extract the XML from the SOAP message,
 which
 is just SOAP XML wrapping my XML data.
 
 Changing the Operation's resultFormat from e4x to xml to object
 changes the amount of junk in the Tree, but doesn't fix the problem. As
a
 matter of fact, it works best when I leave off this attribute and let
the
 Operation decide what resultFormat to use.
 
 Casting lastResult as XML or XMLList doesn't seem to help either, and
 neither does
 ArrayUtil.toArray(TestService.getEmployee.lastResult)
 
 Is there something I need to do to the lastResult to get it to work in
 Trees, DataGrids, etc? Like cast it as some other data type? Why
doesn't
 e4x parse the SOAP message properly and extract my XML?
 
 Just about every example I can find out there shows people using
 HTTPService
 to pull back just the XML data without the SOAP webservice stuff, or
else
 shows how to create XML inside the mxml code itself using mx:XML but
I
 can
 find nothing that shows how to return XML from a CFC web service and
 use/parse it in Flex properly (as easy as, say, a CFC that returns a
Query
 object.)
 
 Darren

[flexcoders] Similar Node Access Question

[Darren Houle]

Don't know if this is the same problem as my recent, previous post, or if 
it's different, but I basically have the same question...

Now I'm calling a CF WebService that returns a Query object... it just 
contains one row, one column, called FULLNAME.

Using the WebService lastResult in a DataGrid's dataprovider works fine, 
there's a million examples of that, but trying to pull out that FULLNAME 
cell's string value is proving to be a challenge for me...

?xml version=1.0 encoding=utf-8?
mx:Application
xmlns:mx=http://www.adobe.com/2006/mxml;
creationComplete=IACleanService.authenticateUser.send()

mx:WebService id=IACleanService 
wsdl=http://localhost/ia_cleanup.cfc?wsdl;
mx:operation name=authenticateUser
mx:request xmlns=
usernamejsmith/username
passwordasdf1234/password
/mx:request
/mx:operation
/mx:WebService

mx:DataGrid height=400 width=400
dataProvider={IACleanService.authenticateUser.lastResult} /

mx:TextArea width=400 height=400
text={IACleanService.authenticateUser.lastResult.fullname} /

/mx:Application

The DataGrid above displays the FULLNAME field just fine, but the TextArea 
displays nothing.  Doesn't help to uppercase it to lastResult.FULLNAME 
either.

I'm probably missing something really simple, but... just about all the 
examples in the Flex documentation either show how to pull out a single node 
value from an HTTPService... or show how to use a WebService in a 
DataGrid... but I can't find any examples where single values are pulled out 
of a WebService result.  Something where the result node values are split up 
and used in different places, like one node value is used as a role 
variable, another is used to set a model state variable, another is used as 
a button label, etc.  I need an example of calling a WebService and breaking 
the result into pieces for use in multiple places, not just sticking the 
whole lastResult into the dreaded DataGrid.  Any help would be appreciated 
:-)

Thanks!
Darren




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RE: [flexcoders] Re: Choice of backend systems - which provides best functionality

[Darren Houle]

Franck,

I agree with you, but... how do you handle security in a stateless back-end? 
  I mean... how do you maintain logged-in / user session information?  Or 
unauthorized access of the web services by others?  If Flex is *completely* 
agnostic of the back-end technology then how do you securely link them 
together?

Darren




From: Franck de Bruijn [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Re: Choice of backend systems - which provides 
best functionality
Date: Tue, 22 Aug 2006 18:03:24 +0200

Hi Barry,



I’m not sure if I can be of much help here. I’m not into PHP, I’m not into
FDS and remoting and the AMF protocol that is related to it. For me, but
that is totally a personal opinion, the only acceptable solution for
communication with a back-end is webservices, and nothing else. Briefly 
here
are my reasons:

*  The coolest thing about Flex is not the graphics ... but that you
can make your server stateless, meaning that you obtain 100% fail-over
characteristics including linear scalability. With FDS (or any other 
related
solution) you highly likely lose this ‘feature’ and my guess is that
scalability will be tougher to achieve; for sure it is harder to guarantee
... with a stateless server solution you can. And we always want to grow
with our applications, don’t we???
*  I like to keep my Flex layer totally independent of my back-end
layer. My back-end layer should not be aware by any means of the client
technology. With webservices you realize this. With FDS (or any other
related solution) you get a vendor lock-in, which I consider undesirable.
*  The trend in my business is that more and more you get projects only
for a front-end or back-end solution. In the past it occurred more that you
had to build them together, but that is changing. It’s very acceptable to
request a back-end to expose its operations through webservices. It’s not
very accetable to request them to expose it via FDS or something like that.



To be fair, there are some disadvantages using web services as well; among
others:

*  No automatic conversion of the web service results into your custom
action script classes. You have to make converters yourself to accomplish
this. With FDS/AMF I understand you can have this conversion automatically
done for you.
*  Performance. People tend to say that webservices are slow. It’s true
that the serialization/deserialization of the XML (both on client and
server) side takes computing time. My experiences so far are that this 
extra
computing time is not causing any serious damage in the user experience.
*  Flex has some trouble communicating with DOC/Literal encoded
webservices. Especially in the .Net corner this is causing problems. But
that should be temporarily ... The adobe guys are working on it and
hopefully in a next release these issues will be fixed.



For me the advantages of webservices by far outweigh the disadvantages. So
if you ask me: use webservices! You keep your freedom ...



Cheers,

Franck





   _

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of barry.beattie
Sent: Tuesday, August 22, 2006 9:50 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Choice of backend systems - which provides best
functionality



Franck and Doug: may I be so bold as to include here some information
I sent to our programming team for them to have some context?

I offer it here as a talking point only - and would invite any
comments or corrections to help me gain a better understanding myself
... this has just been gathered by my own ad-hoc investigations. the
context of the email was a report that Adobe were seriously targeting
PHP developers for Flex.


regarding Flash remoting: some background to put it into context:

there are three basic ways of getting communication happening between
a SWF (now-a-days built with Flex) and server-side code:

webservices
XML HTTP requests
Flash Remoting (using the Async Message Format - AMF)

PHPAMF (Flash remoting with PHP) is not a Macromedia/Adobe product. It
was reverse engineered by the PHP community to use Flash remoting.
It's been around for a few years (that I know of) and may be even more
popular than CF-AMF (don't know for sure)

here's the important bit:

PHPAMF, OpenAMF, the Adobe .NET/ Java remoting add-in and ColdFusion
6.1 remoting all use the AMF0 protocol. ColdFusion 7.02 and
FlexDataServices (Java) all use AMF3

What's the diff? 2 things:
Apart from some removal of dumb stuff-ups and a reduction of data
packet size (thanx to new encoding), AMF3 is very strongly typed which
allows a seamless (and easy) mapping/conversion between server side
objects (eg: Java value objects and ColdFusion's CFC's). This is why
FlexBuilder can have a simple wizard to take your CFC and create
Actionscript classes from it (and/or visa-versa). Before it was all
manual with a tonne of testing 

RE: [flexcoders] Similar Node Access Question

[Darren Houle]

Hey, answered my own quetion... figured I'd post it here in case it helped 
anyone else...

So... you're using an mx:WebService to call a ColdFusion CFC.  The 
ColdFusion query object returned in lastResult is an array inside an array, 
but, it's more than that too (the debugger is your friend) so... the easiest 
way to grab a specific value from specific row in a query is to refer to the 
query row by array notation and the column by name... so... to grab the 
FULLNAME column from row 1 of your query object's result set you'd use...

var mystr : String = MyWebService.myOperation.lastResult[0].FULLNAME;

and if you wanted to bind to that purely in mxml you could also use...

mx:ArrayCollection id=ac source=MyWebService.myOperation.lastResult /
mx:TextArea text={ac.getItemAt(0).FULLNAME} /

Darren




From: Darren Houle [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Similar Node Access Question
Date: Wed, 23 Aug 2006 13:54:19 -0400

Don't know if this is the same problem as my recent, previous post, or if
it's different, but I basically have the same question...

Now I'm calling a CF WebService that returns a Query object... it just
contains one row, one column, called FULLNAME.

Using the WebService lastResult in a DataGrid's dataprovider works fine,
there's a million examples of that, but trying to pull out that FULLNAME
cell's string value is proving to be a challenge for me...

?xml version=1.0 encoding=utf-8?
mx:Application
 xmlns:mx=http://www.adobe.com/2006/mxml;
 creationComplete=IACleanService.authenticateUser.send()

 mx:WebService id=IACleanService
wsdl=http://localhost/ia_cleanup.cfc?wsdl;
 mx:operation name=authenticateUser
 mx:request xmlns=
 usernamejsmith/username
 passwordasdf1234/password
 /mx:request
 /mx:operation
 /mx:WebService

 mx:DataGrid height=400 width=400
 dataProvider={IACleanService.authenticateUser.lastResult} /

 mx:TextArea width=400 height=400
 text={IACleanService.authenticateUser.lastResult.fullname} /

/mx:Application

The DataGrid above displays the FULLNAME field just fine, but the TextArea
displays nothing.  Doesn't help to uppercase it to lastResult.FULLNAME
either.

I'm probably missing something really simple, but... just about all the
examples in the Flex documentation either show how to pull out a single 
node
value from an HTTPService... or show how to use a WebService in a
DataGrid... but I can't find any examples where single values are pulled 
out
of a WebService result.  Something where the result node values are split 
up
and used in different places, like one node value is used as a role
variable, another is used to set a model state variable, another is used as
a button label, etc.  I need an example of calling a WebService and 
breaking
the result into pieces for use in multiple places, not just sticking the
whole lastResult into the dreaded DataGrid.  Any help would be appreciated
:-)

Thanks!
Darren




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RE: [flexcoders] Re: Choice of backend systems - which provides best functionality

[Darren Houle]

True, but then you're relying on server side sessions... that's stateless, 
but not independant of the back-end technology.

Darren


From: Dave Wolf [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Choice of backend systems - which provides best 
functionality
Date: Wed, 23 Aug 2006 21:53:39 -

Darren,

Flex inherits the HTTP session that the page which contained the EMBED
tag acquired.  Dont forget that HTTP/HTML is entirely stateless and
yet we can easily secure those.  The theory is identical with Flex.

--
Dave Wolf
Cynergy Systems, Inc.
Adobe Flex Alliance Partner
http://www.cynergysystems.com
http://www.cynergysystems.com/blogs

Email:  [EMAIL PROTECTED]
Office: 866-CYNERGY

--- In flexcoders@yahoogroups.com, Darren Houle [EMAIL PROTECTED] wrote:
 
  Franck,
 
  I agree with you, but... how do you handle security in a stateless
back-end?
I mean... how do you maintain logged-in / user session
information?  Or
  unauthorized access of the web services by others?  If Flex is
*completely*
  agnostic of the back-end technology then how do you securely link them
  together?
 
  Darren
 
 
 
 
  From: Franck de Bruijn [EMAIL PROTECTED]
  Reply-To: flexcoders@yahoogroups.com
  To: flexcoders@yahoogroups.com
  Subject: RE: [flexcoders] Re: Choice of backend systems - which
provides
  best functionality
  Date: Tue, 22 Aug 2006 18:03:24 +0200
  
  Hi Barry,
  
  
  
  I'm not sure if I can be of much help here. I'm not into PHP, I'm
not into
  FDS and remoting and the AMF protocol that is related to it. For
me, but
  that is totally a personal opinion, the only acceptable solution for
  communication with a back-end is webservices, and nothing else.
Briefly
  here
  are my reasons:
  
  *  The coolest thing about Flex is not the graphics ... but that you
  can make your server stateless, meaning that you obtain 100% fail-over
  characteristics including linear scalability. With FDS (or any other
  related
  solution) you highly likely lose this `feature' and my guess is that
  scalability will be tougher to achieve; for sure it is harder to
guarantee
  ... with a stateless server solution you can. And we always want to
grow
  with our applications, don't we???
  *  I like to keep my Flex layer totally independent of my back-end
  layer. My back-end layer should not be aware by any means of the client
  technology. With webservices you realize this. With FDS (or any other
  related solution) you get a vendor lock-in, which I consider
undesirable.
  *  The trend in my business is that more and more you get projects only
  for a front-end or back-end solution. In the past it occurred more
that you
  had to build them together, but that is changing. It's very
acceptable to
  request a back-end to expose its operations through webservices.
It's not
  very accetable to request them to expose it via FDS or something
like that.
  
  
  
  To be fair, there are some disadvantages using web services as
well; among
  others:
  
  *  No automatic conversion of the web service results into your custom
  action script classes. You have to make converters yourself to
accomplish
  this. With FDS/AMF I understand you can have this conversion
automatically
  done for you.
  *  Performance. People tend to say that webservices are slow. It's true
  that the serialization/deserialization of the XML (both on client and
  server) side takes computing time. My experiences so far are that this
  extra
  computing time is not causing any serious damage in the user
experience.
  *  Flex has some trouble communicating with DOC/Literal encoded
  webservices. Especially in the .Net corner this is causing
problems. But
  that should be temporarily ... The adobe guys are working on it and
  hopefully in a next release these issues will be fixed.
  
  
  
  For me the advantages of webservices by far outweigh the
disadvantages. So
  if you ask me: use webservices! You keep your freedom ...
  
  
  
  Cheers,
  
  Franck
  
  
  
  
  
 _
  
  From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
  Behalf Of barry.beattie
  Sent: Tuesday, August 22, 2006 9:50 AM
  To: flexcoders@yahoogroups.com
  Subject: [flexcoders] Re: Choice of backend systems - which
provides best
  functionality
  
  
  
  Franck and Doug: may I be so bold as to include here some information
  I sent to our programming team for them to have some context?
  
  I offer it here as a talking point only - and would invite any
  comments or corrections to help me gain a better understanding myself
  ... this has just been gathered by my own ad-hoc investigations. the
  context of the email was a report that Adobe were seriously targeting
  PHP developers for Flex.
  
  
  regarding Flash remoting: some background to put it into context:
  
  there are three basic ways of getting communication happening between
  a SWF (now-a-days built with Flex

RE: [flexcoders] Variable Type for Web Service Result

[Darren Houle]

Ethan,

I don't think it's your typing, I think it's your timing.  Looks like you're 
flipping your postTyper() when the combobox is changed, but that's not 
firing a new send() like the original blogger example did.  Try changing 
your code so that changing the combobox triggers the send() and the send 
result= handler triggers the postTyper().  That way you'll have the 
correct data in lastResult when you change your blogResult variable.  That 
change should then be noticed by the bindings.

Darren


From: Ethan Miller [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Variable Type for Web Service Result
Date: Wed, 23 Aug 2006 16:13:19 -0700

Greetings -

Expanding on the Connecting to Web Services tutorial, I added a
combo box for switching between methods of the API to the Adobe blog
aggregator, ie from getMostPopularPosts to search.

As both methods return the same columns, the data grid displaying the
result can stay the same, other than needing a different value for
data provider, ie:

   myWebService.getMostPopularPosts.lastResult
vs
   myWebService.search.lastResult

I was hoping therefore to bind the dataGrid dataProvider value to a
variable which I'd set when users change the value of the comboBox
(which selects which method to use). However I think I'm typing the
variable which stores the value of the service result wrong, as I get
null whenever I try and set the value (blogResult), show below:

?xml version=1.0 encoding=utf-8?
mx:Application
   xmlns:mx=http://www.adobe.com/2006/mxml;
   layout=absolute

mx:Script
   ![CDATA[

   [Bindable]
   public var blogResult:Object = null;

   public function postTyper(event:Event):void{
   if (event.currentTarget.selectedItem.data == popular){
   postTypeVS.selectedIndex=1;
   blogResult = 
 blogAggrWS.getMostPopularPosts.lastResult;
   trace (blogResult);
   }
   else{
   postTypeVS.selectedIndex=0;
   blogResult = blogAggrWS.search.lastResult;
   trace (blogResult);
   }
   }
   ]]
/mx:Script

   mx:WebService id=blogAggrWS
   wsdl=http://weblogs.macromedia.com/mxna/webservices/mxna2.cfc?
wsdl
   useProxy=false

   mx:operation name=getMostPopularPosts
   mx:request
   daysBack{daysBackCB.value}/daysBack
   limit{numPostsCB.value}/limit
   /mx:request
   /mx:operation

   mx:operation name=search
   mx:request
   offset0/offset
   limit50/limit
   searchTerms{postKeywords.text}/searchTerms
   sortByrelevance/sortBy
   languageIds1/languageIds
   /mx:request
   /mx:operation

   mx:operation name=getLanguages
   mx:request/
   /mx:operation

   /mx:WebService

   mx:Panel
   width=850 height=400
   layout=absolute
   horizontalCenter=0 verticalCenter=0
   title=Adobe Blogs Post Finder

   mx:HBox horizontalCenter=0 top=20 verticalAlign=middle

   mx:Label text=Get:/

   mx:ComboBox id=whatPostsCB
   change=postTyper(event)
   mx:Object label=Posts By Keyword 
 data=search /
   mx:Object label=Most Popular Posts 
 data=popular /
   /mx:ComboBox

   mx:ViewStack id=postTypeVS width=400

   mx:HBox verticalAlign=middle
   mx:TextInput id=postKeywords 
 text=/
   mx:Button label=Search 
 click=blogAggrWS.search.send()/
   /mx:HBox

   mx:HBox verticalAlign=middle width=372
   
 creationComplete=blogAggrWS.getMostPopularPosts.send()

   mx:Spacer width=10/

   mx:Label text=Show:/
   mx:ComboBox id=numPostsCB
   
 change=blogAggrWS.getMostPopularPosts.send()
   mx:Object label=Top 5 Posts 
 data=5 /
   mx:Object label=Top 10 Posts 
 data=10 /
   mx:Object label=Top 15 Posts 
 data=15 /
   /mx:ComboBox

   

RE: [flexcoders] How to cast a WebService lastResult when CFC returnType=xml

[Darren Houle]

Yes Tracy... I was working on two similar issues at the same time and one 
used Tree while the other didn't.  The Tree question was answered a while 
back (using labelField) so I got confused... sorry :-)  and thanks!

Darren



From: Tracy Spratt [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] How to cast a WebService lastResult when CFC 
returnType=xml
Date: Wed, 23 Aug 2006 21:06:57 -0400

Darren,

You are using a tree according to the example in  your post.  Or have you 
changed your question?



At any rate, binding is very difficult to debug.  I advise using a handler 
function in which you can use toXMLString() on the event.result object.



Then work your way down through the hierarchy a step at a time.



When you get the expression that works you can put it in the binding 
expression.



Tracy





From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On 
Behalf Of Darren Houle
Sent: Wednesday, August 23, 2006 1:30 PM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] How to cast a WebService lastResult when CFC 
returnType=xml



Peter,

Thanks! But I'm not using the results in a Tree or Grid, which seem to have
some magical parsing happening inside for you. I just want to do something
as simple as pulling a node value out of the incoming SOAP wrapped XML and
using it in, say, a TextArea. But... the following doesn't work...

mx:TextArea
text={MyService.myOperation.lastResult.people.person.firstname} /

nor does

MyService.myOperation.lastResult.people.person[0].firstname
MyService.myOperation.lastResult.person.firstname
MyService.myOperation.lastResult.person[0].firstname

or any other pattern I've tried. Amy suggested referencing the path all the
way from the root node of the SOAP packet itself and treating the entire
SOAP message as a bix XML result, instead of just the node path of the
result. Something like...

MyService.myOperation.lastResult.myOperationResult.people.person.firstname

but I couldn't get that to work either.

Darren

 From: Peter Watson [EMAIL PROTECTED] mailto:pwatson%40adobe.com 
 Reply-To: flexcoders@yahoogroups.com 
mailto:flexcoders%40yahoogroups.com
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com 
 Subject: RE: [flexcoders] How to cast a WebService lastResult when CFC
 returnType=xml
 Date: Wed, 23 Aug 2006 07:29:48 -0700
 
 Darren,
 
 If your XML nodes have attributes (ie. node label=foo/node) - you
 can use the 'labelField' attribute to control the labels.
 
  mx:Tree id=myTree labelField=@label/
 
 If they don't (ie. foobar/foo) - or if you want to do any sort of
 custom label logic, you need to use the 'labelFunction' attribute to set
 the values appropriately.
 
 mx:Tree id=myTree2 labelFunction=myLabelFunc/
 
  public function myLabelFunc (item:XML):String{
 
  //if node has children
 
  if(item.children().toString() !=
 ''){
 
  return item.name();
 
  }
 
  //no children, it's a leaf so get
 the value
 
  else{
 
  return
 item.toXMLString();
 
  }
 
  }
 
 
 
 
 
 regards,
 
 peter
 
 
 
 
 
 
 
 From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com  
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com ] 
On
 Behalf Of Darren Houle
 Sent: Monday, August 21, 2006 4:33 PM
 To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
 Subject: RE: [flexcoders] How to cast a WebService lastResult when CFC
 returnType=xml
 
 
 
 Bump??
 
 Darren
 
  From: Darren Houle [EMAIL PROTECTED] mailto:lokka_%40hotmail.com  
mailto:lokka_%40hotmail.com
  
  Reply-To: flexcoders@yahoogroups.com 
mailto:flexcoders%40yahoogroups.com
 mailto:flexcoders%40yahoogroups.com
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com  
mailto:flexcoders%40yahoogroups.com
  Subject: [flexcoders] How to cast a WebService lastResult when CFC
  returnType=xml
  Date: Fri, 18 Aug 2006 23:08:44 -0400
  
  I have a ColdFusion Component (web service) that looks like...
  
  cffunction name=getEmployees access=remote output=false
  returntype=xml
   cfxml variable=myxml
   people
   person
   firstnameJohn/firstname
   lastnameSmith/lastname
   job
   titleDoctor/title
   descriptionblah blah blah/description
   /job
   /person
   person
   firstnameJane/firstname
   lastnameDoe/lastname
   job
   titleLawyer/title
   descriptionblah blah blah/description
   /job
   /person
   /people
   /cfxml
   cfreturn myxml
  /cffunction
  
  and some Flex code that looks like...
  
  ?xml version=1.0 encoding=utf-8?
  mx:Application
   xmlns:mx=http://www.adobe.com/2006/mxml 
http://www.adobe.com/2006/mxml
 http://www.adobe.com/2006/mxml http://www.adobe.com/2006/mxml  
   creationComplete=TestService.getEmployees.send();
   mx:WebService id=TestService wsdl=http://localhost/hr.cfc?wsdl 
http://localhost/hr.cfc?wsdl
 http://localhost/hr.cfc?wsdl http://localhost/hr.cfc?wsdl  
   mx:operation name

RE: [flexcoders] Variable Type for Web Service Result

[Darren Houle]

/mx:DataGridColumn
mx:DataGridColumn headerText=Clicks 
dataField=clicks width=50 
textAlign=right/
mx:DataGridColumn headerText=Post Excerpt 
dataField=postExcerpt 
wordWrap=true/
/mx:columns
/mx:DataGrid

/mx:Panel

/mx:Application


Darren








From: Darren Houle [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Variable Type for Web Service Result
Date: Wed, 23 Aug 2006 22:44:48 -0400

Ethan,

I don't think it's your typing, I think it's your timing.  Looks like 
you're
flipping your postTyper() when the combobox is changed, but that's not
firing a new send() like the original blogger example did.  Try changing
your code so that changing the combobox triggers the send() and the send
result= handler triggers the postTyper().  That way you'll have the
correct data in lastResult when you change your blogResult variable.  That
change should then be noticed by the bindings.

Darren


 From: Ethan Miller [EMAIL PROTECTED]
 Reply-To: flexcoders@yahoogroups.com
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Variable Type for Web Service Result
 Date: Wed, 23 Aug 2006 16:13:19 -0700
 
 Greetings -
 
 Expanding on the Connecting to Web Services tutorial, I added a
 combo box for switching between methods of the API to the Adobe blog
 aggregator, ie from getMostPopularPosts to search.
 
 As both methods return the same columns, the data grid displaying the
 result can stay the same, other than needing a different value for
 data provider, ie:
 
  myWebService.getMostPopularPosts.lastResult
 vs
  myWebService.search.lastResult
 
 I was hoping therefore to bind the dataGrid dataProvider value to a
 variable which I'd set when users change the value of the comboBox
 (which selects which method to use). However I think I'm typing the
 variable which stores the value of the service result wrong, as I get
 null whenever I try and set the value (blogResult), show below:
 
 ?xml version=1.0 encoding=utf-8?
 mx:Application
  xmlns:mx=http://www.adobe.com/2006/mxml;
  layout=absolute
 
 mx:Script
  ![CDATA[
 
  [Bindable]
  public var blogResult:Object = null;
 
  public function postTyper(event:Event):void{
  if (event.currentTarget.selectedItem.data == popular){
  postTypeVS.selectedIndex=1;
  blogResult = 
  blogAggrWS.getMostPopularPosts.lastResult;
  trace (blogResult);
  }
  else{
  postTypeVS.selectedIndex=0;
  blogResult = blogAggrWS.search.lastResult;
  trace (blogResult);
  }
  }
  ]]
 /mx:Script
 
  mx:WebService id=blogAggrWS
  wsdl=http://weblogs.macromedia.com/mxna/webservices/mxna2.cfc?
 wsdl
  useProxy=false
 
  mx:operation name=getMostPopularPosts
  mx:request
  daysBack{daysBackCB.value}/daysBack
  limit{numPostsCB.value}/limit
  /mx:request
  /mx:operation
 
  mx:operation name=search
  mx:request
  offset0/offset
  limit50/limit
  searchTerms{postKeywords.text}/searchTerms
  sortByrelevance/sortBy
  languageIds1/languageIds
  /mx:request
  /mx:operation
 
  mx:operation name=getLanguages
  mx:request/
  /mx:operation
 
  /mx:WebService
 
  mx:Panel
  width=850 height=400
  layout=absolute
  horizontalCenter=0 verticalCenter=0
  title=Adobe Blogs Post Finder
 
  mx:HBox horizontalCenter=0 top=20 verticalAlign=middle
 
  mx:Label text=Get:/
 
  mx:ComboBox id=whatPostsCB
  change=postTyper(event)
  mx:Object label=Posts By Keyword 
  data=search /
  mx:Object label=Most Popular Posts 
  data=popular /
  /mx:ComboBox
 
  mx:ViewStack id=postTypeVS width=400
 
  mx:HBox verticalAlign=middle
  mx:TextInput id=postKeywords 
  text=/
  mx:Button label=Search 
  click=blogAggrWS.search.send()/
  /mx:HBox
 
  mx:HBox verticalAlign=middle width=372
  
  creationComplete=blogAggrWS.getMostPopularPosts.send()
 
  mx:Spacer width=10

RE: [flexcoders] Cairngorm and MVC: Quickie

[Darren Houle]

Start off with one model for your app and as your application grows, you 
will probably see the need to refactor. At that time, create a second model 
and so on and so forth. Just to give u a quick idea, I have 3 models in my 
current project:
BizModel - hold main data that actually goes back and forth to the server
CoreModel - holds static data bound to comboboxes and app state data
IconModel - holds reference to several icons used throughout the app


Very true.  Alternatively you could create these three data structure within 
the one ModelLocator and refer to them like...

model.biz.userRole = ...
model.core.adminViewStackState = ...
model.icon.deleteButton = ...

Darren











From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On 
Behalf Of lostinrecursion
Sent: Monday, August 21, 2006 6:33 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm and MVC: Quickie



Hi all. Just wondering if I have figured this out correctly.

In an MVC/Cairngorm application, it is ok to have as many models as I
determine based on my data needs.

Then, I would have one ModelLocator class (which extends the core
Cairngorm one) mapping to each model and instantiating variables for them.

Then I reference the model locator in the views to which it is relavent.

But all apps only possess one Controller. Is that right?

So, simply, 1 Controller/1 Model Locator/1:N Models/1:N Views





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RE: [flexcoders] Re: Cairngorm2 SequenceCommand

[Darren Houle]

Thanks Tim, that's very cool.

Quick question though... it looks like all it's doing is broadcasting an 
event... is there any difference between...

1.  Defining the nextEvent and calling executeNextCommand to broadcast it...
and
2.  Creating a new CairngormEvent and dispatching it from the 
CairngormEventDispatcher
???

Seems like it's the same thing.  Is there some advantage to using 
SequenceCommand?  Will the CairngormEventDispatcher not be heard from 
within a Command?  It seems like a redundant class, or maybe just a utility 
class that does't really save you any lines of code, since you can create 
another CairngormEvent and dispatch from CairngormEventDispatcher in two 
lines of code just as easily...??

Thanks again for your help!
Darren




From: Tim Hoff [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Cairngorm2 SequenceCommand
Date: Sat, 19 Aug 2006 05:24:02 -


Hi Darren,

I just added a simple example to learn it myself.  See
code.commands.ResizeViewStatesCommand.

View Sample
http://www.cflex.net/showFileDetails.cfm?ObjectID=422Object=FileChann\
elID=1

-TH

--- In flexcoders@yahoogroups.com, Darren Houle [EMAIL PROTECTED] wrote:
 
  Does anyone know where I can find a working example of a
SequenceCommand in
  a Cairngorm 2 app? Something I can import into Builder that will run?
 
  Thanks
  Darren
 






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RE: [flexcoders] weather web service

[Darren Houle]

Don't know if they have *exactly* what you're looking for, but  
www.xmethods.net  lists a bunch of web services.  I quickly counted 9 
different weather services (but didn't read them in any detail.)

Darren




From: Robin Burrer [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] weather web service
Date: Mon, 21 Aug 2006 14:39:09 +1000

Hi there,



Does anybody know if there is free weather forecast web-service?

I went to the yahoo website but all I could find is an RSS feed, which
seems to be a bit buggy. Plus it only gives you the forecast the next
day.



Thanks



Robin







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RE: [flexcoders] Getting started with Cairngorm

[Darren Houle]

Not sure if this is it, but when I create my ModelLocator I always rename 
like

public class AppModelLocator implements ModelLocator {

so that my class and the Cairngorm base class aren't both named 
ModelLocator

Like I said, not sure that would cause a circular reference or if there's 
something else in your code somewhere.  If that doesn't work you could try 
posting your ModelLocator code here.

Darren



From: julien castelain [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Getting started with Cairngorm
Date: Sun, 20 Aug 2006 17:04:44 +0200

hi list,

i'm trying to use Cairngorm in a flex project (1st attempt), i have a
ModelLocator class that implements the
com.adobe.cairngorm.model.ModelLocator interface, my ModelLocator
class is in a package (org.something.myapp.model), each time i try to
use it i get this error
Circular type reference was detected in ModelLocator -- should i
name it differently?

thanks for the help


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RE: [flexcoders] How to cast a WebService lastResult when CFC returnType=xml

[Darren Houle]

Bump??

Darren






From: Darren Houle [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] How to cast a WebService lastResult when CFC 
returnType=xml
Date: Fri, 18 Aug 2006 23:08:44 -0400

I have a ColdFusion Component (web service) that looks like...

cffunction name=getEmployees access=remote output=false
returntype=xml
 cfxml variable=myxml
 people
 person
 firstnameJohn/firstname
 lastnameSmith/lastname
 job
 titleDoctor/title
 descriptionblah blah blah/description
 /job
 /person
 person
 firstnameJane/firstname
 lastnameDoe/lastname
 job
 titleLawyer/title
 descriptionblah blah blah/description
 /job
 /person
 /people
 /cfxml
 cfreturn myxml
/cffunction

and some Flex code that looks like...

?xml version=1.0 encoding=utf-8?
mx:Application
 xmlns:mx=http://www.adobe.com/2006/mxml;
 creationComplete=TestService.getEmployees.send();
 mx:WebService id=TestService wsdl=http://localhost/hr.cfc?wsdl;
 mx:operation name=getEmployees /
 /mx:WebService
 mx:Tree
 id=myTree
 width=50%
 height=50%
 showRoot=false
 dataProvider={TestService.getEmployees.lastResult}/
/mx:Application

But what I get is a Tree that looks like:

Flex doesn't seem to be able to extract the XML from the SOAP message, 
which
is just SOAP XML wrapping my XML data.

Changing the Operation's resultFormat from e4x to xml to object
changes the amount of junk in the Tree, but doesn't fix the problem.  As a
matter of fact, it works best when I leave off this attribute and let the
Operation decide what resultFormat to use.

Casting lastResult as XML or XMLList doesn't seem to help either, and
neither does
ArrayUtil.toArray(TestService.getEmployee.lastResult)

Is there something I need to do to the lastResult to get it to work in
Trees, DataGrids, etc?  Like cast it as some other data type?  Why doesn't
e4x parse the SOAP message properly and extract my XML?

Just about every example I can find out there shows people using 
HTTPService
to pull back just the XML data without the SOAP webservice stuff, or else
shows how to create XML inside the mxml code itself using mx:XML but I 
can
find nothing that shows how to return XML from a CFC web service and
use/parse it in Flex properly (as easy as, say, a CFC that returns a Query
object.)

Darren




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RE: [flexcoders] Cairngorm and MVC: Quickie

[Darren Houle]

Yup, you got it.  To be even more specific...

1:N Views
   A) bind to data in the
1 ModelLocator (which contains 0:N Models/VO's)
   and B) broadcast
1:N Events
   to the
1 FrontController
   which maps Events to
1:N Commands
   which may create
0:N Delegates
   which trigger
0:N Services (using 1 ServiceLocator, if you have Services)
   the results are then passed from the Services back to the Delegates, 
which pass them back to the Commands, which then update the data 
(models/VO's) stored in the Model Locator.

Darren




From: lostinrecursion [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm and MVC: Quickie
Date: Mon, 21 Aug 2006 22:32:30 -

Hi all. Just wondering if I have figured this out correctly.

In an MVC/Cairngorm application, it is ok to have as many models as I
determine based on my data needs.

Then, I would have one ModelLocator class (which extends the core
Cairngorm one) mapping to each model and instantiating variables for them.

Then I reference the model locator in the views to which it is relavent.

But all apps only possess one Controller. Is that right?

So, simply, 1 Controller/1 Model Locator/1:N Models/1:N Views




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RE: [flexcoders] Re: Some Cairngorm questions

[Darren Houle]

Okay... well... that sounds nice, but... your subject for this thread was 
Some Cairngorm questions and what you're doing doesn't sound much like 
cairngorm, so... I guess a more approrpiate subject might have been Here's 
how we've changed Cairngorm into a different pattern, and why.

Just kidding :-) :-) :-)

Sounds like you've got something that works for you, and that's what counts!

Darren


From: jrjazzman23 [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Some Cairngorm questions
Date: Sat, 19 Aug 2006 15:40:41 -

Our VO classes are separate from the model.  We found that the model
needed stuff that didn't belong in the VOs, for example, fields that
don't get persisted to the db, state variables, and various methods
that the classes in the model need.  When we do need a VO to pass to
the data layer, we call toVO(), which, you guessed it, gives us a
plain ol' VO.  We didn't get too far into our project before we
realized that model != VOs.

The code that knows what parts of the model need to be persisted, and
when and how to do it is in a separate utility class that we call a
persistence manager.  It has all the logic that was cluttering up the
Commands.  Now the command just uses the persistence manager in a very
simple way, like pm.saveCar(car).  So each command is back to fitting
one screen, which I think is nice.

Jeremy

--- In flexcoders@yahoogroups.com, ben.clinkinbeard
[EMAIL PROTECTED] wrote:
 
  I'm pretty sure they're called ValueObjects for a reason :)
 
  Ben
 
  --- In flexcoders@yahoogroups.com, Darren Houle lokka_@ wrote:
  
   As for reusing events and commands from different places, most of
what
   I could find from the Cairngorm creators suggest that Commands be
   specific use cases and a Command should always know its context.  I
   suppose if the event payload indicates the context, then you're not
   violating this rule.  I hadn't thought about doing this.
  
   I take Steven literally when he says Cairngorm should be a
lightweight
   framework :-)
  
  
   By something else I was referring to something other than a Command
   (say, a model object) consuming the Delegates.  Anything wrong with
  this?
  
   So... you're saying that, for instance, a User vo stored in the Model
   Locator would not only describe User data fields, but also contain
  methods
   with business logic?  Like methods that could create delegates and
  deal with
   the returned results?  It's not OOTB, so I'm not sure it's
  Cairngorm but
   it's not against the laws of the universe either, it could work.
There
   *are* examples of vo's out there that do things like track and
  increment a
   static emp_id, or populate new vo properties in the vo constructor
with
   values based on some other value stored in the Model Locator, but
  I'm not
   sure I'd put alot of business logic in there for several reasons;
  other
   developers familiar with Cairngorm wouldn't think to look for that in
   there... you'd have to change the Front Controller, Commands, and
  Delegate
   around... and you'd also be storing business logic inside your data
  model,
   which to me would make me feel all itchy.
  
   I think limited logic in the vo's, used to intelligently construct
  that vo,
   would be cool, but I'm not sure I'd expect to see much else in there.
  
   Darren
  
  
  
  
  
  
  
  
   --- In flexcoders@yahoogroups.com, Darren Houle lokka_@ wrote:

 Jeremy...


 First.  I don't see what value the FrontController adds in Flex
  apps.
   My initial thought was that it was important to prevent views
  from
 coupling to specific commands.

 Yes, if you subscribe to the idea of an MVC pattern then yes, you
   need to do
 this.  And if you're not going to do this then you should either
   design a
 better pattern... or don't use one at all... but don't code
   something that's
 only half Cairngorm.  Mostly because if I'm the developer who
comes
   after
 you and has to reverse-engineer your code one day I'd like to know
   where
 things are and not have to quess or re-write it all from
scratch :-)


 That really doesn't hold up though,
 because the views are coupled to specifc events

 Yes, Views generate events, but they don't have to be specific,
  like:

AddPublicUserToManagerList(user)

 they can be generic, like:

AddUserToList(user, public, manager)

 That way several different Views can re-use an Event and your
   Command can
 figure out what it should do based on the event args.  There's
  pros and
 cons, but that's one way to reduce the number of pieces and parts.


 each of which results in a specific Command being executed.
 Since the FrontController
 maintains a 1-to-1 map of Cairngorm events to Commands

 Not necessarily.  Yes, they are normally 1 to 1, but if you
want an
   Event

RE: [flexcoders] Cairngorm eLearning Course and Quiz - who's in?

[Darren Houle]

 A: Worth Doing – are interested in using the training for 
yourself and/or your team

Definitely

 B: Would like to contribute in some way
 -Script writer
 -Storyboarder
 -Expert Review Panel
 -Quality Assurance

I'd be happy to help.  Send me an email off-list if you still need 
contributors.

Darren




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RE: [flexcoders] Some Cairngorm questions

[Darren Houle]

Jeremy...


First.  I don't see what value the FrontController adds in Flex apps.
  My initial thought was that it was important to prevent views from
coupling to specific commands.

Yes, if you subscribe to the idea of an MVC pattern then yes, you need to do 
this.  And if you're not going to do this then you should either design a 
better pattern... or don't use one at all... but don't code something that's 
only half Cairngorm.  Mostly because if I'm the developer who comes after 
you and has to reverse-engineer your code one day I'd like to know where 
things are and not have to quess or re-write it all from scratch :-)


That really doesn't hold up though,
because the views are coupled to specifc events

Yes, Views generate events, but they don't have to be specific, like:

   AddPublicUserToManagerList(user)

they can be generic, like:

   AddUserToList(user, public, manager)

That way several different Views can re-use an Event and your Command can 
figure out what it should do based on the event args.  There's pros and 
cons, but that's one way to reduce the number of pieces and parts.


each of which results in a specific Command being executed.
Since the FrontController
maintains a 1-to-1 map of Cairngorm events to Commands

Not necessarily.  Yes, they are normally 1 to 1, but if you want an Event to 
trigger two Commands you can also do this in the Front Controller:

   addCommand(AppController.EVENT_ONE, SomeCommand);
   addCommand(AppController.EVENT_ONE, AnotherCommand);


why don't views just run the commands directly?

You could, and it's not a terrible thing to argue for fewer pieces, like for 
instance Delegates are actually optional, but they do help during testing 
and development because it's easier to point a simple Delegate at a test 
Service than to find and re-point all the occurances of a Service in your 
Commands.  So, yes, you could do without the Front Controller but by gaining 
simplicity you'd lose some flexability (as well as confusing another 
Caringorm developer who's pulling their hair out trying to find where you 
put your Front Controller.)


Next, we're moving most of our remote object calls into the model.
The logic that controls what parts of the model get persisted, when,
and in what order is complex, and our Commands had become huge and
full of logic.  As a reuslt of the changes, lots of the classes in the
model now make remote calls and implement IResponder.  I'm trying to
get back to the model of Command kicks off the feature and then gets
out of the way.  Is there any rule with Cairngorm that says that
Commands must do the remote calls?  Is it common to use something
other than a Command to make remote calls?

Do you mean something else making the call to the Service as in a 
Delegate, or do you mean some other class (maybe a subclass of Command) 
handling that?  As far as vanilla Cairngorm goes there's really just 
Command, SequenceCommand, and Delegate.  I'm pretty sure, though, that 
Adobe/Steven feel Cairngorm is a starting point to be built on... so if you 
stick to the basic pattern but need to add to it then that's totally cool.  
I actually find that you almost *have* to expand on Cairngorm to get certain 
things done... like running a Command that's dependant on another Command 
that's dependant on the results of a WebService call that's dependant on the 
results of another WebService call.  Complicated business logic may require 
custom pieces be added to the base, but that's an okay thing.

Darren




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RE: [flexcoders] How to set up HTTPService calls in Cairngorm? (Flex 2)

[Darren Houle]

I'm not sure how to set up an HTTPService call in Cairngorm. I'm
trying to load an XML document from a server. I think I got the Event
and Command classes right, so here a just code snippets from the
Service Locator and the Delegate:
   this.service = ServiceLocator.getInstance().getService(loadConfig 
);


The ServiceLocator provides two different methods for the three different 
RPC Service types.  For HTTPService you have to use:

   this.service = 
ServiceLocator.getInstance().getHTTPService(loadConfig);

Darren




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RE: [flexcoders] Re: Some Cairngorm questions

[Darren Houle]

As for reusing events and commands from different places, most of what
I could find from the Cairngorm creators suggest that Commands be
specific use cases and a Command should always know its context.  I
suppose if the event payload indicates the context, then you're not
violating this rule.  I hadn't thought about doing this.

I take Steven literally when he says Cairngorm should be a lightweight 
framework :-)


By something else I was referring to something other than a Command
(say, a model object) consuming the Delegates.  Anything wrong with this?

So... you're saying that, for instance, a User vo stored in the Model 
Locator would not only describe User data fields, but also contain methods 
with business logic?  Like methods that could create delegates and deal with 
the returned results?  It's not OOTB, so I'm not sure it's Cairngorm but 
it's not against the laws of the universe either, it could work.  There 
*are* examples of vo's out there that do things like track and increment a 
static emp_id, or populate new vo properties in the vo constructor with 
values based on some other value stored in the Model Locator, but I'm not 
sure I'd put alot of business logic in there for several reasons;  other 
developers familiar with Cairngorm wouldn't think to look for that in 
there... you'd have to change the Front Controller, Commands, and Delegate 
around... and you'd also be storing business logic inside your data model, 
which to me would make me feel all itchy.

I think limited logic in the vo's, used to intelligently construct that vo, 
would be cool, but I'm not sure I'd expect to see much else in there.

Darren








--- In flexcoders@yahoogroups.com, Darren Houle [EMAIL PROTECTED] wrote:
 
  Jeremy...
 
 
  First.  I don't see what value the FrontController adds in Flex apps.
My initial thought was that it was important to prevent views from
  coupling to specific commands.
 
  Yes, if you subscribe to the idea of an MVC pattern then yes, you
need to do
  this.  And if you're not going to do this then you should either
design a
  better pattern... or don't use one at all... but don't code
something that's
  only half Cairngorm.  Mostly because if I'm the developer who comes
after
  you and has to reverse-engineer your code one day I'd like to know
where
  things are and not have to quess or re-write it all from scratch :-)
 
 
  That really doesn't hold up though,
  because the views are coupled to specifc events
 
  Yes, Views generate events, but they don't have to be specific, like:
 
 AddPublicUserToManagerList(user)
 
  they can be generic, like:
 
 AddUserToList(user, public, manager)
 
  That way several different Views can re-use an Event and your
Command can
  figure out what it should do based on the event args.  There's pros and
  cons, but that's one way to reduce the number of pieces and parts.
 
 
  each of which results in a specific Command being executed.
  Since the FrontController
  maintains a 1-to-1 map of Cairngorm events to Commands
 
  Not necessarily.  Yes, they are normally 1 to 1, but if you want an
Event to
  trigger two Commands you can also do this in the Front Controller:
 
 addCommand(AppController.EVENT_ONE, SomeCommand);
 addCommand(AppController.EVENT_ONE, AnotherCommand);
 
 
  why don't views just run the commands directly?
 
  You could, and it's not a terrible thing to argue for fewer pieces,
like for
  instance Delegates are actually optional, but they do help during
testing
  and development because it's easier to point a simple Delegate at a
test
  Service than to find and re-point all the occurances of a Service in
your
  Commands.  So, yes, you could do without the Front Controller but by
gaining
  simplicity you'd lose some flexability (as well as confusing another
  Caringorm developer who's pulling their hair out trying to find
where you
  put your Front Controller.)
 
 
  Next, we're moving most of our remote object calls into the model.
  The logic that controls what parts of the model get persisted, when,
  and in what order is complex, and our Commands had become huge and
  full of logic.  As a reuslt of the changes, lots of the classes in the
  model now make remote calls and implement IResponder.  I'm trying to
  get back to the model of Command kicks off the feature and then gets
  out of the way.  Is there any rule with Cairngorm that says that
  Commands must do the remote calls?  Is it common to use something
  other than a Command to make remote calls?
 
  Do you mean something else making the call to the Service as in a
  Delegate, or do you mean some other class (maybe a subclass of Command)
  handling that?  As far as vanilla Cairngorm goes there's really just
  Command, SequenceCommand, and Delegate.  I'm pretty sure, though, that
  Adobe/Steven feel Cairngorm is a starting point to be built on... so
if you
  stick to the basic pattern but need to add to it then that's totally
cool.
  I actually find

[flexcoders] How to cast a WebService lastResult when CFC returnType=xml

[Darren Houle]

Oops... I meant to include this attachment with my previous question.

Darren



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Untitled.gif
Description: JPEG image

[flexcoders] How to cast a WebService lastResult when CFC returnType=xml

[Darren Houle]

I have a ColdFusion Component (web service) that looks like...

cffunction name=getEmployees access=remote output=false 
returntype=xml
cfxml variable=myxml
people
person
firstnameJohn/firstname
lastnameSmith/lastname
job
titleDoctor/title
descriptionblah blah blah/description
/job
/person
person
firstnameJane/firstname
lastnameDoe/lastname
job
titleLawyer/title
descriptionblah blah blah/description
/job
/person
/people
/cfxml
cfreturn myxml
/cffunction

and some Flex code that looks like...

?xml version=1.0 encoding=utf-8?
mx:Application
xmlns:mx=http://www.adobe.com/2006/mxml;
creationComplete=TestService.getEmployees.send();
mx:WebService id=TestService wsdl=http://localhost/hr.cfc?wsdl;
mx:operation name=getEmployees /
/mx:WebService
mx:Tree
id=myTree
width=50%
height=50%
showRoot=false
dataProvider={TestService.getEmployees.lastResult}/
/mx:Application

But what I get is a Tree that looks like:

Flex doesn't seem to be able to extract the XML from the SOAP message, which 
is just SOAP XML wrapping my XML data.

Changing the Operation's resultFormat from e4x to xml to object 
changes the amount of junk in the Tree, but doesn't fix the problem.  As a 
matter of fact, it works best when I leave off this attribute and let the 
Operation decide what resultFormat to use.

Casting lastResult as XML or XMLList doesn't seem to help either, and 
neither does
ArrayUtil.toArray(TestService.getEmployee.lastResult)

Is there something I need to do to the lastResult to get it to work in 
Trees, DataGrids, etc?  Like cast it as some other data type?  Why doesn't 
e4x parse the SOAP message properly and extract my XML?

Just about every example I can find out there shows people using HTTPService 
to pull back just the XML data without the SOAP webservice stuff, or else 
shows how to create XML inside the mxml code itself using mx:XML but I can 
find nothing that shows how to return XML from a CFC web service and 
use/parse it in Flex properly (as easy as, say, a CFC that returns a Query 
object.)

Darren




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[flexcoders] Cairngorm2 SequenceCommand

[Darren Houle]

Does anyone know where I can find a working example of a SequenceCommand in 
a Cairngorm 2 app?  Something I can import into Builder that will run?

Thanks
Darren




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RE: [flexcoders] Cairngorm 2 - Event propagation problem

[Darren Houle]

Have you inlcuded the front controller tag in your login.mxml?  You should 
have a line in login.mxml that looks something like...

   control:ApplicationFrontController id=applicationFrontController /

Without this line your program would still compile, but there wouldn't be a 
front controller to hear the cairngorm events.  Other than that your code 
looks fine.

Darren



From: hemantkamatgi [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm 2 - Event propagation problem
Date: Thu, 17 Aug 2006 05:20:25 -

Hi,

I am trying to use Cairngorm 2 framework with Flex 2.
This issue is that the event (login) does not seem to reach the
FrontController.
I am listing my application files with the significant code snippets:
I have been struggling with this for the past 2 days but aint seem to
figure out the problem.

1) ApplicationFrontController.as

// addCommand(login, LoginCommand);

2) LoginCommand.as //implements Command

//public function execute(event:CairngormEvent):void

3) LoginEvent.as //extends CairngormEvent

   //public function LoginEvent()
   //{
   //super(login);
   //}

4) Login.mxml

// public function doLogin():void
// {   var eventObject : LoginEvent = new LoginEvent();
// CairngormEventDispatcher.getInstance().dispatchEvent(new LoginEvent());
// }




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RE: [flexcoders] Flex/Cairngorm Syntax

[Darren Houle]

Graham

I see someone else answered your question, but... you might also want to 
look at Darron's page which talks about the Cairngorm Responder vs the Flex 
IResponder:

http://www.darronschall.com/weblog/archives/000234.cfm

The onResult(event:* = null):void method you asked about tells me you're 
using/learning the pure Cairngorm architecture which employs a Cairngorm 
Responder to get the data from the Delegate/Service back to the initial 
Command.  Darron's page explains an alternative, IResponder, that is already 
part of the Flex API.  It does the same thing, but it's more flexible, 
simpler to use, and easier to understand (just my opinion).  I'm using it in 
all my new Cairngorm apps.  I have yet to find a reason not to.

Darren




From: grahampengelly [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Flex/Cairngorm Syntax
Date: Tue, 15 Aug 2006 13:02:35 -

Hi

I am just embarking on my first Cairngorm based Flex app. In one of the
sample apps there is the following syntax
public function onResult(event:* = null):void
{

}
Could somebody please explain exactly what the argument (event:* =
null) is actually doing. Obviously the argument is called 'event', I
have got that far. Is the asterisk a wildcard for the type, and if so
why, and is the null a default value if the argument is not supplied?

I have had a look around the web and the docs but can't find any
explanation of this syntax. What is more, I am not getting it to work
but as I don't understand what it is supposed to be I'm not sure where
the problem lies.

Thanks for your help in advance...

Graham







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Re: [flexcoders] Flex/Cairngorm Syntax

[Darren Houle]

Actually... in Cairngorm, if a Command implements Responder the Command 
*must* contain:

public function onResult( event : * = null ) : void {}
public function onFault( event : * = null ) : void {}

...and if a Command implements IResponder that changes to

public function result( event : Object ) : void {}
public function fault( event : Object ) : void {}

So in Graham's case, if he's using vanilla Cairngorm 2.0 his Commands are 
implemeting Responder, so he can't use Event in place of *...  if he goes to 
Cairngorm 2.01 (my numbering, not a real thing) and uses IResponder he can 
use an Object type for the arg... but to use any other arg type (like event 
: Event) the Command would need to implement some totally new Responder 
class.

Darren




From: Samuel D. Colak [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Flex/Cairngorm Syntax
Date: Tue, 15 Aug 2006 18:52:07 +0200

The * is an approximation of the Object keyword. Can be any type. Im not
sure whether the typing is preserved or not but im sure Matt can confirm
this. In effect event is cast as any object rather than having a strongly
typed function call. Be aware in doing this though as type coercion issues
may occur later on when dealing with the result.

Since all event classes usually subclass from Event, you might use Event
rather than * for type safety.

Regards
Samuel

On 15/8/06 15:02, grahampengelly [EMAIL PROTECTED] wrote:

 
 
 
 
  Hi
 
  I am just embarking on my first Cairngorm based Flex app. In one of the 
sample
  apps there is the following syntax
  public function onResult(event:* = null):void
  {
 
  }
  Could somebody please explain exactly what the argument (event:* = 
null) is
  actually doing. Obviously the argument is called 'event', I have got 
that far.
  Is the asterisk a wildcard for the type, and if so why, and is the null 
a
  default value if the argument is not supplied?
 
  I have had a look around the web and the docs but can't find any 
explanation
  of this syntax. What is more, I am not getting it to work but as I don't
  understand what it is supposed to be I'm not sure where the problem 
lies.
 
  Thanks for your help in advance...
 
  Graham




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RE: [flexcoders] Cairngorm:One controller, so many commands, so many delegates, so many events

[Darren Houle]

Yes, however, I try to create files that can be reused... that way different 
save buttons can use the same save event, command and/or the same save 
service.  Oversimplifying, I know, but that's the general idea.  If you have 
an app that performs lots of CRUD then you can generalize your code and 
reuse alot of it in different places.  One CreateEvent, CreateCommand, 
CreateService but they all accept a variety of arguments so you can reuse 
them in different situations.

Darren



From: flxcoder [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm:One controller, so many commands, so many 
delegates, so many events
Date: Mon, 14 Aug 2006 18:01:21 -

Now I have about 4-5 events that correspond with the app server and
get data back. Each of these events get registered with the
CairngormEvent. When the controller executes these events it needs a
command associated with the event. Each such command needs a delegate.

So for my one interaction with the server I have at least one Event
class, one Command class and one delegate class and untold number of
interests in the ModelLocator. This is leading to code cluge.

Just wondering whether this is what the rest of the developers are
doing or am I doing something wrong. In my app, I might end up having
about 30-40 separate server calls at least. That will lead to 90-120
independant files.

Is this what you are running into as well? Am I missing something?

Thanks.






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RE: [flexcoders] Getting XML from server

[Darren Houle]

Try  requestSolicitante.lastResult.root.solicitante.nome

Darren



From: falecomozig [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Getting XML from server
Date: Thu, 10 Aug 2006 15:03:14 -

Hi fellows.

I have a test application where I send two variables to the server, I
get the two as POST vars and make a search in the db. As a result, I
have an agent sending this XML:

?xml version=1.0?
root
solicitante
nomeAAA/nome
ramal/ramal
departamentoBBB/departamento
secaoCCC/secao
emailHHH/email
/solicitante
/root

I´m trying to put some of theresults into textInputs with this:

private function onResult(oEvent:ResultEvent):void
{
   txSolicitante.text =
requestSolicitante.lastResult.solicitante.nome;
}

Well, it´s not working.
How can I do this???

Thanks

Zig







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RE: [flexcoders] Re: Array parameters fail with Webservices

[Darren Houle]

Did you try creating and sending that XML I suggested?

Darren



From: kaleb_pederson [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Array parameters fail with Webservices
Date: Thu, 03 Aug 2006 15:36:07 -

Thanks for the suggestion.  I tried:

// variation five
ws.sendStrings(One,Two,Three);

// variation six
ws.sendStrings(new Array(One,Two,Three));

Both of the above result in the exact same empty SOAP message being
generated.  Any other ideas?  Given the number of variations that I
have tried, I'm beginning to wonder if this is a bug?

Thanks for the help.

--Kaleb

--- In flexcoders@yahoogroups.com, Renaun Erickson [EMAIL PROTECTED]
wrote:
 
  Try:
  ws.sendStrings(One,Two,Three);
 
  Which should make the call with 3 distinct parameters.
 
  Renaun
 
  --- In flexcoders@yahoogroups.com, kaleb_pederson kibab@
wrote:
  
   I'm using a webservice that requires that an array of strings be
   passed to one function.  Each method that I have tried to send
array
   parameters fails.  By fails, I mean the request is successfully
sent
   to the server but the parameter list is empty and thus the
response
   isn't valid for the request that I'm attempting to make.
  
   Here are the variations that I have tried:
  
  ws = new mx.rpc.soap.mxml.WebService();
  
  
ws.loadWSDL(http://192.168.1.108:8080/stockquotes/stock_quote?wsdl;);
   // waits for loadWSDL to finish
  
   // variation one
   var op:Object = ws.getOperation(sendStrings);
   op.arguments = new Array(One,Two,Three);
   op.send();
  
   // variation two
   ws.sendStrings.arguments = new
Array(One,Two,Three);
   ws.sendStrings.send();
  
   // variation three
   ws.sendStrings.send(new Array(One,Two,Three));
  
   // variation four
   ws.sendStrings.send(One,Two,Three);
  
   The request that's made looks like the following (less
formatting):
  
   ?xml version=1.0 encoding=utf-8?
   SOAP-ENV:Envelope
   xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
  
xmlns:SOAP-ENV=http://schemas.xmlsoap.org/soap/envelope/;
   xmlns:xsd=http://www.w3.org/2001/XMLSchema;
   SOAP-ENV:Body
   ns1:sendStrings
   xmlns:ns1=http://server.webservices.tutorials.wakaleo.com/; /
   /SOAP-ENV:Body
   /SOAP-ENV:Envelope
  
   The response that comes back looks like the following:
  
   ?xml version=1.0 ?
   soapenv:Envelope
  
xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/;
   xmlns:xsd=http://www.w3.org/2001/XMLSchema;
  
   xmlns:ns1=http://server.webservices.tutorials.wakaleo.com/;
   soapenv:Header
xmlns:wsa=http://www.w3.org/2005/08/addressing;
   /soapenv:Header
   soapenv:Body
   ns1:sendStringsResponse/ns1:sendStringsResponse
   /soapenv:Body
   /soapenv:Envelope
  
   The XSD shows the following input specification:
  
   xs:complexType name=sendStrings
xs:sequence
xs:element name=arg0 type=xs:string maxOccurs=unbounded
   minOccurs=0/
/xs:sequence
   /xs:complexType
  
   I also tried using MXML without any success.  See the following
for
   details:
  
  
 
http://www.adobe.com/cfusion/webforums/forum/messageview.cfm?catid=585threadid=1176598#4215452
  
   Any thoughts?  Am I missing something obvious?  I can give you
more
   information, including the complete WSDL, so please let me know
if
   there is anything else that would be useful.
  
   Thanks.
  
   --Kaleb
  
 






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RE: [flexcoders] Re: Newbie Help - simple login via CFC

[Darren Houle]

Assuming this is Delegate code... Implementing the Caringorm Responder 
requires an onResult(event:*=null):void method, but implementing IResponder 
requires a result(data:Object):void method, so... this looks like something 
kinda the same as IResponder only different.

It accepts the Object arg like IResponder but the method isn't named 
result().  Not sure, but if this is a Delegate but it's some kind of custom 
IResponder then that pattern would also probably accept an Object.

The documentation for IResponder says While data is typed as Object, it is 
often (but not always) an mx.rpc.events.ResultEvent so... the code below 
also accepts Object for the same reason (I guess) except that they're 
letting coercion happen instead of accepting a ResultEvent as the arg or 
explicitly casting it as a ResultEvent.

Darren



From: João Fernandes [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Re: Newbie Help - simple login via CFC
Date: Thu, 3 Aug 2006 15:31:49 +0100

Put a breakpoint here private function login_result(event: Object):void

And run your app in debug mode and check your event object.



BTW, shouldn't be login_result(event:ResultEvent):void instead?



João Fernandes
Dep. Informática - Área de Desenvolvimento
Cofina media

Avenida João Crisóstomo, Nº 72 . 1069-043 Lisboa PORTUGAL
Tel (+351) 213 185 200 . Fax (+351) 213 540 370
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]



From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On 
Behalf Of flycl65
Sent: quinta-feira, 3 de Agosto de 2006 15:25
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Newbie Help - simple login via CFC



Wish it was that easy, changed the spelling and it still doesn't work
but now a different error.

TypeError: Error #1009: Cannot access a property or method of a null
object reference.

--- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com , 
Peter Watson [EMAIL PROTECTED] wrote:
 
  Property resut
 
 
 
  Typo here: event.resut.UserInfo.BrokerID
 
 
 
  resut -- result
 
 
 
 
 
  
 
  From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com  
[mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com ] 
On
  Behalf Of flycl65
  Sent: Thursday, August 03, 2006 1:13 AM
  To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com
  Subject: [flexcoders] Newbie Help - simple login via CFC
 
 
 
  Trying to do a simple login via CFC. Query SQL db and return a field
  value (BrokerID).
 
  Returning the following error:
  ReferenceError: Error #1069: Property resut not found on
  mx.rpc.events.ResultEvent and there is no default value.
 
  I tried doing it by returning the query and couldn't get it to work,
  and now tried a structure. Help. ??
 
  cffunction name=login access=remote
  !-- make sure we have username and password --
  cfargument name=username required=true type=string /
  cfargument name=password required=true type=string /
  cfquery name=getUser datasource=dentalsales
  SELECT *
  FROM Users
  WHERE Logon = '#arguments.username#'
  AND password = '#arguments.password#'
  /cfquery
 
  !-- if username and password are correct --
  cfif getUser.recordCount eq 1
  cfset userInfo = structNew()
  cfset userInfo.isLoggedIn = true
  cfset userInfo.username = getUser.logon
  cfset userInfo.BrokerID = getUser.BrokerID
  cfreturn userInfo /
  /cfif
 
  --
 
  private function login_result(event: Object):void
  {
 
 
  // login successful, remember the user.
  if( (event.result) )
  {
  // assign BrokerID
  this.BrokerID = event.resut.UserInfo.BrokerID;
  trace(BrokerID);
 
  if( this.rememberLogin.selected )
  {
  this.lso.data['username'] = this.username.text;
  this.lso.data['password'] = this.password.text;
  }
  else
  {
  this.lso.data['username'] = null;
  this.lso.data['password'] = null;
  }
 
  this.dispatchEvent( new Event('loginSuccessful') );
  }
  else
  {
  // login didn't work. show message
  errorMessage(Login unsuccessful);
  }
  }




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RE: [flexcoders] Re: Error 1119

[Darren Houle]

I believe the Operation.result property was changed to Operation.lastResult 
in Beta3 and has been there ever since.  If you check the help (Language 
Reference) in Flex Builder and look up mx.rpc.soap.Operation you'll see 
where it lists...

   lastResult : Object
   The result of the last invocation.

under public properties.

As for updated documentation... to my knowledge everything that's packaged 
with Flex 2 final is up to date.

Not sure where you found the old example code.  According to this labs page:
http://labs.adobe.com/wiki/index.php/Flex
Flex content isn't hosted on Labs anymore since final shipped, except maybe 
for stuff like Cairngorm and the Ajax bridge.  I'm sure if you posted the 
link to the old sample code, someone somewhere might do something about it 
:-)

Darren



From: Stefano [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Error 1119
Date: Wed, 02 Aug 2006 16:30:44 -

Thank you for your help Darren, my problem has solved. I coded that
application following instructions provided by Adobe labs and their
tutorials... have any methods changed? Is there an updated manual I
can reference to?

Thank you again, cheers.





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RE: [flexcoders] Re: Array parameters fail with Webservices

[Darren Houle]

Renaun, yes, that will send three distinct args, but I believe he needs to 
send one distinct arg that is an Array of three values.

Kaleb, have you tried creating an XML object and passing that into your 
operation?

var message:XML =
   arglist
  arg1Moe/arg1
  arg2Curly/arg3
  arg3Larry/arg4
   /arglist;
var op:Object = ws.getOperation(sendStrings);
op.send(message);

Or something along those lines?
(Forgive me if this syntax is 100% correct, I just hacked it out real quick 
from memory)

Darren




From: Renaun Erickson [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Array parameters fail with Webservices
Date: Wed, 02 Aug 2006 18:21:06 -

Try:
ws.sendStrings(One,Two,Three);

Which should make the call with 3 distinct parameters.

Renaun

--- In flexcoders@yahoogroups.com, kaleb_pederson [EMAIL PROTECTED] wrote:
 
  I'm using a webservice that requires that an array of strings be
  passed to one function.  Each method that I have tried to send array
  parameters fails.  By fails, I mean the request is successfully sent
  to the server but the parameter list is empty and thus the response
  isn't valid for the request that I'm attempting to make.
 
  Here are the variations that I have tried:
 
 ws = new mx.rpc.soap.mxml.WebService();
 
  ws.loadWSDL(http://192.168.1.108:8080/stockquotes/stock_quote?wsdl;);
  // waits for loadWSDL to finish
 
  // variation one
  var op:Object = ws.getOperation(sendStrings);
  op.arguments = new Array(One,Two,Three);
  op.send();
 
  // variation two
  ws.sendStrings.arguments = new Array(One,Two,Three);
  ws.sendStrings.send();
 
  // variation three
  ws.sendStrings.send(new Array(One,Two,Three));
 
  // variation four
  ws.sendStrings.send(One,Two,Three);
 
  The request that's made looks like the following (less formatting):
 
  ?xml version=1.0 encoding=utf-8?
  SOAP-ENV:Envelope
  xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
  xmlns:SOAP-ENV=http://schemas.xmlsoap.org/soap/envelope/;
  xmlns:xsd=http://www.w3.org/2001/XMLSchema;
  SOAP-ENV:Body
  ns1:sendStrings
  xmlns:ns1=http://server.webservices.tutorials.wakaleo.com/; /
  /SOAP-ENV:Body
  /SOAP-ENV:Envelope
 
  The response that comes back looks like the following:
 
  ?xml version=1.0 ?
  soapenv:Envelope
  xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/;
  xmlns:xsd=http://www.w3.org/2001/XMLSchema;
 
  xmlns:ns1=http://server.webservices.tutorials.wakaleo.com/;
  soapenv:Header xmlns:wsa=http://www.w3.org/2005/08/addressing;
  /soapenv:Header
  soapenv:Body
  ns1:sendStringsResponse/ns1:sendStringsResponse
  /soapenv:Body
  /soapenv:Envelope
 
  The XSD shows the following input specification:
 
  xs:complexType name=sendStrings
   xs:sequence
   xs:element name=arg0 type=xs:string maxOccurs=unbounded
  minOccurs=0/
   /xs:sequence
  /xs:complexType
 
  I also tried using MXML without any success.  See the following for
  details:
 
 
http://www.adobe.com/cfusion/webforums/forum/messageview.cfm?catid=585threadid=1176598#4215452
 
  Any thoughts?  Am I missing something obvious?  I can give you more
  information, including the complete WSDL, so please let me know if
  there is anything else that would be useful.
 
  Thanks.
 
  --Kaleb






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[flexcoders] RPC Binding vs Explicit in Cairngorm

[Darren Houle]

In Cairngorm a Command creates a Delegate which fires off (e.g.) a 
WebService operation.  The way that's done in most Cairngorm examples 
is like this:

service = ServiceLocator.getInstance().getService('someWebService');
token = service.someWSMethod(someData);

This AS way of triggering the WebService passes an outgoing argument 
(someData) to the mx:operation, which sends it to the remote web 
service.

Problem is that in the Flex documentation, there are way more 
examples of using data binding inside an mx:operation to send those 
outgoing arguments...

mx:WebService
   id=employeeWS
   destination=wsDest
   showBusyCursor=true
   fault=Alert.show(event.fault.faultstring)
   mx:operation name=getList
  mx:request
 deptId{someDataProvider.data}/deptId
  /mx:request
   /mx:operation
/mx:WebService

In Cairngorm, to use the data binding method I'd have to bind to data 
in the ModelLocator, so even if the argument's data isn't something 
I'm tracking or storing in ModelLocator I'll have to store it in 
there for the WebService data binding to work. That sounds junky. 
That means when someone clicks on a selected person (or whatever) 
I'll have to first store them in ModelLocator, fire off the 
WebService operation, then in my result handler clean that temp 
selected person out of ModelLocator.

But...

If I use the AS method of firing off a WebService (which appears to 
be the proper way) and just do token = service.someWSMethod(someData) 
and pass in (someData) I don't have to worry about all that temp 
ModelLocator stuff... but... there's very little documentation on how 
to pass data into an mx:operation using AS. Actually I think there's 
only two, and they're very simplistic.

I've gotten basic WebServices (with a single arg) to work the AS way, 
but what happens when I need to send multiple args to my remote web 
service? I know I can do token = service.someWSMethod(someData, 
otherData, evenMoreData) but how does the remote web service know 
which data maps to which args? Will the operation just process and 
send them in order, or are the variable names automatically changed 
into tags before calling the remote ws (e.g. someData is sent to the 
remote web service as someDatasomeData's value/someData)?

Is there any documentation or examples out there that deal with this 
on a slightly more complex level?  I just need to know how to call a 
WebService operation with multiple outgoing args, and to 
understand the rules behind passing args to WebService operations 
in AS. Anyone?

Thanks!
Darren






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[flexcoders] Calling DashboardIteration1 WebService - Explicit vs Binding

[Darren Houle]

I've been messing with the DashboardIteration1 Cairngorm example from Alex 
Uhlmann's blog and I have a question about the delegate/webservice piece.

The example's source code was missing any real web service code (and the 
delegate was missing the code that calls a web service) so I've added all 
that in myself.  I wanted the example to actually call a remote service that 
generated a rand() instead of generating the rand() in the delegate.

That works fine, however, while testing I hard-coded the symbol name into 
the mx:request but... when I changed:

mx:operation name=getQuoteForSymbol resultFormat=object
mx:request
symbolADBE/symbol
/mx:request
/mx:operation

to

mx:operation name=getQuoteForSymbol resultFormat=object
mx:request
symbol{symbol}/symbol
/mx:request
/mx:operation

it didn't work (but... I didn't really expect it to)

The delegate is calling the service like this:

var token : AsyncToken = service.getQuoteForSymbol(symbol);

but how do I reference that symbol var in the mx:request?

There are tons of examples in the documentation that show how to use binding 
in the request, but only one example of passing a var explicitly... but 
the code in that example is different enough from Cairngorm that I can't 
seem to figure out how to make it work.

Any examples out there I missed?  Or maybe a flexcoders thread that 
mentioned this?  I've looked but can't find anything.

Thanks!!
Darren




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RE: [flexcoders] colorPicker, getting the colour out

[Darren Houle]

Thought I posted this already, but I haven't seen it appear on the list 
yet...

Is this what you're looking for?

mx:Application
 mx:TextArea id=forChange width=150 
text=0x{cp.selectedColor.toString(16)}/
 mx:ColorPicker id=cp /
/mx:Application

Darren





From: Sonja Duijvesteijn [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] colorPicker, getting the colour out
Date: Tue, 13 Jun 2006 12:39:45 +0200

When I use custom objects or an array to fill the colorpicker everything
works like a charm. But when I try to use the colorpicker as it is I can't
seem to get the selected color out as an hexidecimal value. I've tried
'selectedColor', 'selectedItem', and have trying to get 'selectedIndex' to
admit colour, but no luck there either.


The documentation gives enough help for the advanced topics (putting in 
your
own colours) but forgets the basics. How can I find out which colour is
selected? (in hexidecimals)

Thanks in advance,
Sonja




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RE: [flexcoders] colorPicker, getting the colour out

[Darren Houle]

Try this...

mx:TextArea id=ta width=150 text=0x{cp.selectedColor.toString(16)}/
mx:ColorPicker id=cp /

Darren




From: Sonja Duijvesteijn [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] colorPicker, getting the colour out
Date: Tue, 13 Jun 2006 12:39:45 +0200

When I use custom objects or an array to fill the colorpicker everything
works like a charm. But when I try to use the colorpicker as it is I can't
seem to get the selected color out as an hexidecimal value. I've tried
'selectedColor', 'selectedItem', and have trying to get 'selectedIndex' to
admit colour, but no luck there either.


The documentation gives enough help for the advanced topics (putting in 
your
own colours) but forgets the basics. How can I find out which colour is
selected? (in hexidecimals)

Thanks in advance,
Sonja




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Great things are happening at Yahoo! Groups.  See the new email design.
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RE: [flexcoders] stop the help highlighting

[Darren Houle]

I don't know of any make the highlighting go away button.  I just click 
Next then Previous in the upper right corner to advance one page and 
then one back.  Makes the highlighting go away.  Two clicks instead of one, 
no biggie.

Darren



From: Jason [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] stop the help highlighting
Date: Mon, 12 Jun 2006 15:35:00 -

Okay, I've got to say something about this because it's really annoying.

Click on the Help-Search and search on the word variable.  Now
click on the hit Variables (Programming ActionScript 3.0 - Beta 3).
  Now try to read the text of the topic.

Every single match of the word variable is highlighted.  It makes it
VERY distracting to try to actually read the help.  I've run into this
over and over.  My usual procedure is to click the topic, go up one
level in the topic tree (the path at the top of the page with the 
between them), then find the topic I was on and click it again.  This
is just plain stupid.  Why isn't there at least a button that says
stop highlighting?

Sorry for the ranting, very simple usability things like this tend to
push me over the edge.







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RE: [flexcoders] Dumb Newbie Question - Underlined Hyperlinks

[Darren Houle]

You can also do something like...

a href=http://mysite.com/index.cfm;bu#name#/u/b/a

It's really basic, but it works fine and the user gets the point.

According to the docs... all that happens by default with links is that the 
mouse turns to a hand, there's no hover, underline, etc. to let you know 
it's a link.  But you can use other tags to make it look like a link.  My 
undertanding is that the Flash Player supports the following tags (and 
*only* the following tags) when embedding HTML in textareas, the htmlText 
property, etc:

a b br font img i li p textformat u

Darren



From: swhitley02 [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Dumb Newbie Question - Underlined Hyperlinks
Date: Wed, 07 Jun 2006 21:34:40 -

Hello everyone.  I'm hoping this is super easy, but I can't find any
documentation on it.

I'm working with Flex 2.0 Beta 3.  While using the TextArea control,
I'm posting an HTML hyperlink to the htmlText property.  The link
appears in the TextArea control and it works, but there's nothing to
show the user that it's a link.  Is there an easy way to force the
display of hyperlinks to blue and underlined in the TextArea control?
Is there another control that will display standard HTML?






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[flexcoders] Is this a bug?

[Darren Houle]

Why does this...

package org.mycomp.iaclean.vo {
 public class LoginVO implements org.nevis.cairngorm.ValueObject {
  public var uid : String;
  public var password : String;
  }
 }

Return an Interface ValueObject was not found error, but if I import 
first like this...

package org.mycomp.iaclean.vo {
 import org.nevis.cairngorm.ValueObject;
 public class LoginVO implements ValueObject {
  public var uid : String;
  public var password : String;
  }
 }

It works fine?

Maybe I'm just used to Java, but shouldn't you be able to specify the 
classpath after implements without using import or is it a requirement 
in AS 3 that you first import packages prior to referencing them?

I'm usually in the habit of using just the classpath unless I have to 
specify it more than once, then I import it.  I also specify the full path 
in case there's ever two class names that are the same and I need to 
differentiate.  I guess I just need to know where and when I can use the 
path, and in what cases I must import first.

Thanks,
Darren




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RE: [flexcoders] Re: Is this a bug?

[Darren Houle]

Tracy and Ben, thank you :-)

Darren



From: ben.clinkinbeard [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Is this a bug?
Date: Fri, 09 Jun 2006 19:44:33 -

Yep, in AS3 everything must be imported no matter what. See #5 here:
http://labs.adobe.com/wiki/index.php/ActionScript_3:Learning_Tips

Ben




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[flexcoders] MAX 2006

[Darren Houle]

As a sequined friend of mine once said Viva Las Vegas...

http://www.adobe.com/events/max/




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RE: [flexcoders] layout components from right in HBox

[Darren Houle]

You can do this:

mx:HBox width=400
 mx:Spacer width=100%/
 mx:Button label=MyButton/
/mx:HBox

You'll see the button is pushed to the right side of the 400 px wide hbox

Darren


From: Husain Kitabi [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] layout components from right in HBox
Date: Sat, 3 Jun 2006 04:16:26 -0700 (PDT)

Hi
 How to layout components in HBox where if i want to add a button it 
should appear on the right end of the HBox.

 Thanks


hussain

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RE: [flexcoders] Re: Dispatching multiple events in order with cairngorm

[Darren Houle]

I agree with Alex.  Say you have a View with a button... you mutate that 
button's click= event into a CairngormEvent.  Your custom Cg Event 
triggers a Cg Command, which sets state in the ModelLocator.  New to Beta 3 
is a utility called ChangeWatcher that allows you to watch a bindable value 
and define a handler to run when the value changes.  In the original View 
(or any other View) you could simply watch that state var and have 
ChangeWatcher call yourMoveEffect.play().  You could mutate the standard 
effectEnd= event into a new CairngormEvent that triggered the Cg Command 
that needs to run at the end of the effect.

Darren



From: Alex Uhlmann [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Re: Dispatching multiple events in order with 
cairngorm
Date: Thu, 1 Jun 2006 06:46:57 -0700

Hi Guys,


I'd probably suggest letting the view dispatch a Cairngorm event, having
that following Command change a state in your model and have that view
bind to that state change in the model. This view will trigger the
effect and at effectEnd you will trigger another Command. IMHO, the
Command should never invoke anything view related (like an effect) by
himself.

Note that your view (MXML) can bind to the model using the mx:Binding
tag. BTW: check out Paul's little helper for that.  ;)
http://weblogs.macromedia.com/paulw/archives/2006/05/the_worlds_smal.cfm
#more


Best,
Alex

Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]


-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Jean-Luc ESSER
Sent: 01 June 2006 10:35
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: Dispatching multiple events in order with
cairngorm

Thanx Tim i'm gonna look into this, but i'm worried about one issue :
In case of a command launching an effect in a component, when the effect
starts, it means the command has executed, thus invocating the next
command.
What if i want to wait for effectEnd before invoking next command...

I'll keep you posted.

-JL, investigating.

- Original Message -
From: Tim Hoff [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Thursday, June 01, 2006 11:18 AM
Subject: [flexcoders] Re: Dispatching multiple events in order with
cairngorm


  Hi Jean-Luc,
 
  It looks like you might need to use the Cairngorm SequenceCommand
  class.  I haven't used this yet but if you look at the source for the
  SequenceCommand class, it describes a possible solution for you.  If
  you use this and get it to work, please post your findings here.
 
  Good Luck,
  Tim
 
 
  --- In flexcoders@yahoogroups.com, JL E. [EMAIL PROTECTED] wrote:
 
  Hi there !
 
  I have a search pane. I open it (sliding to the right).
  Now, i want to go somewhere else in the application.
  In order to do that, when clicking on let's say 'contact', i
  dispatch an event which is gonna show page contact.
  The thing is that when clicking 'contact', before executing the
  command which is gonna build contact page, i want to check if the
  search pane is open, and if so, i want to dispatch event
  closeSearchPane, wait until it is fully closed, and only then execute
  my command showContactPage.
  I guess coding this logic in my command showContactPage won't
  scale as i may need this logic to work everywhere in the app,
  whichever event i am gonna dispatch.
  How would you do it ? What am i missing here ?
 
  Best,
  Jean-Luc
 
  PS: Thanx Alex for previous answers regarding getters setters !
  Worked fine !
 
 
 
 
 
 
 
 
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RE: [flexcoders] Cairngorm question

[Darren Houle]

If I'm not mistaken I think this is the latest...

http://weblogs.macromedia.com/swebster/archives/2006/05/cairngorm_2_for.cfm

Darren



From: Michael [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Cairngorm question
Date: Thu, 1 Jun 2006 09:19:12 -0500

Where can I download cairngorm 2.0. I believe I have downloaded the .99
version, but I didn't get a chance to learn it before I got tasked with a
Flex 2.0 project.



 _

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Steven Webster
Sent: Thursday, June 01, 2006 8:15 AM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Cairngorm question



Michael,



I wrote a 6-part series of articles for Adobe Devnet that seem to be 
helping
people to get started with Cairngorm, you'll find the first part here:



http://www.adobe.com/devnet/flex/articles/cairngorm_pt1.html



Hope that helps !



Steven







Steven Webster
Practice Director (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6108

m: +44 (0) 7917 428 947
[EMAIL PROTECTED]








 _


From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Michael
Sent: 01 June 2006 02:51
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm question

Does anyone know some good resources for cairngorm, and what the best way 
to
start learning it is. I have done a few large flex apps, and I would like
to see what cairngorm can do for me. Thanks a lot for the help!





Michael



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RE: [flexcoders] Re: Multiple instances

[Darren Houle]

Doug,

I think maybe the lack of replies might be due to the fact you haven't asked 
a question yet. Need assistance is very vague. Specifically what do you 
need assistance with? Are you having trouble somewhere in your custom mxml 
components? Are you looking for a way to bind your interface to data? If I 
had to guess I'd say you're looking for a way to bind your interface to 
data, but also provide a way to offer those same pages blank, so a user can 
fill them out to create new records...?

Darren





From: Doug Arthur [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Multiple instances
Date: Thu, 1 Jun 2006 08:42:58 -0500

Wow, it amazes me how active this group is, but I yet to get an answering
from anyone on this problem. Does anyone have any suggestions for me at 
all?

Thanks!
- Doug


On 5/31/06, Doug Arthur [EMAIL PROTECTED] wrote:

 I hope I form my question and problem adequate enough for everyone to
understand.

I'm still fairly new to flex and I'm trying to do something complicated,
at least in my mind it is.

What I'm trying to do is to have multiple instances of the below code with
different data. I have pages broken out into multiple mxml components. 
Each
components has data driven values on it, but what i need is to have 
multiple
instances of data and to propagate the data through the pages to their
respective components... The purpose of this is to use a Previous/Next
Record process. This include non-existent records, what I mean by this is
that a user can enter multiple records in a given time with a Add New
Record action. And also a Delete Record action.

I hope this all is clear, please, any assistance would be much
appreciated. Thanks!





Here's the code example (really high level):
 mx:HBox width=100% height=100%
 mx:TabNavigator height=100% width=100%
 recorddata:Overview /
 recorddata:Charges /
 recorddata:Dispositions /
 recorddata:Actions /
 recorddata:Fees /
 /mx:TabNavigator
 /mx:HBox



- Doug









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RE: [flexcoders] Re: Dispatching multiple events in order with cairngorm

[Darren Houle]

Tim,

That's the one part of Cairngorm (for me) that's the tricksiest... how one 
might handle (as someone else recently put it) the sexy features of Flex in 
Cg. Transitions, states, effects, animations that may need to be 
syncronized with something else. Of course, you don't want to put too much 
control in the Cg framework since that might restrict you in some other way 
(I definitely agree that Cg needs to be lightweight as Steven's articles 
point out.) The ChangeWatcher is, however, very cool in that it allows you 
to watch not only one bound state value, but chains of them... so if you 
needed to trigger an event only after, say, four other events completed you 
could have those four events set flags in the ModelLocator on effectEnd and 
have your ChangeWatcher bound to all four flags, only calling it's handler 
after all four were completed. I think that the ChangeWatcher is a great 
addition to B3, and actually offers the same benefits, with more 
functionality, than Paul's helper class. As far as Cg goes, maybe we just 
need a Cg example out there that uses ChangeWatcher (or something like it) 
that shows a chain of events triggering a final command... take some of the 
mystery out of it.

Darren



From: Tim Hoff [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Dispatching multiple events in order with 
cairngorm
Date: Thu, 01 Jun 2006 16:42:55 -

I absolutely agree that a Command should never invoke anything view
related, except for setting bound model values that update views
automatically. For Jean-Luc's scenario, my thinking is that there
may be several different views that require closure before the
primary command is executed. To close any or all of the
possible open views in a clean and synchronous manner, I would think
that you could combine the SequenceCommand (is it ChainCommand now?)
with the ChangeWatcher utility or a simple eventListener. The
executeNextCommand function would be invoked only after the
SequenceCommand receives notification of the effectEnd event. The
question is, should you use the ChangeWatcher to listen for a model
variable change, that would have to be updated by the view or a
helper? Or, would an explicit eventListener for the views'
effectEnd event be more suitable?

This is a gray area in Cairngorm for me. It seems that there may be
times when a complete round-trip of event communication, starting
and ending at a view, may come in handy and/or be necessary. Well,
maybe not necessary but certainly more convenient. For me, this
fits in the same category as deciding whether to perform a simple
view action with a ViewHelper/ViewLocator or with yet another
Event/Control/Command/Model structure. I'm not sure if discussing
theoretical framework implementation is germane to this list, but
I'd be interested to hear further thoughts (best practices)
concerning this topic. Thanks for your ideas Steven, Alex and
Darren.

Tim Hoff


--- In flexcoders@yahoogroups.com, Jean-Luc ESSER [EMAIL PROTECTED] wrote:
 
  I do agree with you guys, that's the way to go !
  Thanx !
 
  BTW, loved Paul's little helper.
  This one is a sure hit !
 
  -JL
 
  - Original Message -
  From: Darren Houle [EMAIL PROTECTED]
  To: flexcoders@yahoogroups.com
  Sent: Thursday, June 01, 2006 4:49 PM
  Subject: RE: [flexcoders] Re: Dispatching multiple events in order
with
  cairngorm
 
 
  I agree with Alex. Say you have a View with a button... you
mutate that
   button's click= event into a CairngormEvent. Your custom Cg
Event
   triggers a Cg Command, which sets state in the ModelLocator.
New to Beta
   3
   is a utility called ChangeWatcher that allows you to watch a
bindable
   value
   and define a handler to run when the value changes. In the
original View
   (or any other View) you could simply watch that state var and
have
   ChangeWatcher call yourMoveEffect.play(). You could mutate the
standard
   effectEnd= event into a new CairngormEvent that triggered the
Cg Command
   that needs to run at the end of the effect.
  
   Darren
  
  
  
  From: Alex Uhlmann [EMAIL PROTECTED]
  Reply-To: flexcoders@yahoogroups.com
  To: flexcoders@yahoogroups.com
  Subject: RE: [flexcoders] Re: Dispatching multiple events in
order with
  cairngorm
  Date: Thu, 1 Jun 2006 06:46:57 -0700
  
  Hi Guys,
  
  
  I'd probably suggest letting the view dispatch a Cairngorm
event, having
  that following Command change a state in your model and have
that view
  bind to that state change in the model. This view will trigger
the
  effect and at effectEnd you will trigger another Command. IMHO,
the
  Command should never invoke anything view related (like an
effect) by
  himself.
  
  Note that your view (MXML) can bind to the model using the
mx:Binding
  tag. BTW: check out Paul's little helper for that. ;)
 
 http://weblogs.macromedia.com/paulw/archives/2006/05/the_worlds_sma
l.cfm
  #more
  
  
  Best,
  Alex
  
  Alex Uhlmann

RE: [flexcoders] Flex Noob Question(s)

[Darren Houle]

Hey Cameron,

That's one of the things the Cairngorm framework is good for... it uses a 
ModelLocator object to store all your other application data in one place. 
  It's similar to the session object on an app server, except it's client 
side in the Flex app.  All your Views can bind to the data in the 
ModelLocator.  When your business logic needs to change data it does so in 
the ModelLocator, and those changes are then automagically reflected across 
all your Views.

If you're new to Flex I'd suggest you start out learning how to code 
Cairngorm style.  Learn that and alot of otherwise tricky things will be 
handled for you.  After coding my first apps the normal way and then later 
figuring out how Caringorm worked I was really kicking myself.

Darren



From: Cameron Childress [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Flex Noob Question(s)
Date: Tue, 30 May 2006 13:31:18 -0700

So, I'm just getting into framing out my first serious Flex
application and feel a little overwhelmed by the quantity of raw
documentation and a little underwhelemed by the documentation path
from noob to expert.  After thrashing around a bit in the docs, I
thought I would ask a couple of questions here.  Please don't throw
things at me if this was discussed last week.  Trust me, I looked.
I'm just lost.

At this point I *think* understand the concept behind creating custom
components, and using them to decouple different functional parts of
your application.  To this end, I am building three components for an
interface.  They are

1) Search inputs
2) Search result list
3) Item detail

I'd like to use the same data retrieved in the Search Result (2), to
populate the item detail screen.  However, I am getting errors in the
Flex builder when I try to refer to a dataset defined in one component
(2) in another component (3).

I have a feeling I can put the dataset in yet another component that I
can just pass around the other components, but I am having difficulty
finding a good example of this.

-Cameron



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RE: [flexcoders] Re: Loading one cairngorm into another cairngorm

[Darren Houle]

If that was the case then you'd have to worry about singletons and object 
names every time you used a SWFLoader to load any other SWF. Any SWF you 
load might have coincidentally used a duplicate variable, class, or package 
name. I'm not 100% sure, but I believe that SWFs loaded into other SWFs by 
default are scoped separately and self contained and you do not have to 
worry about the singleton classes or var names. If that wasn't the case 
then it would be incredibly simple to communicate between the mast SWF and 
the loaded SWF. It would be an easy enough experiment... just create a page 
that loaded the same Flex app twice on the page, right next to each other, 
and see if they continue to work properly. Then try it again with a simple 
app that, say, displayed a label and then SWFloaded a copy of itself. See 
if that collides.

Darren


in the case of
Cairngorm, I think that I might run into problems with the fact that
in Cairngorm, some things are singletons (AppController, Service,
AppModel). If Both apps have the same names for these singletons,
would these not conflict?








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[flexcoders] Max 2006

[Darren Houle]

Slightly off [Flex] topic, but since Adobe people monitor this list I 
thought I'd ask...

Does anyone have any new details on MAX '06? The Call for Topic deadline 
for MAX '05 was May 13th and we're already past that date for this year, 
so... is Adobe having a really hard time deciding what shape the MAX 
conference should take this year?

Darren








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RE: [flexcoders] Max 2006

[Darren Houle]

Thanks Joan and Ben, I appreciate the update!

Darren



From: Ben Forta [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Max 2006
Date: Fri, 26 May 2006 18:11:17 -0400

It'll be another week or so before much is posted publicly. It's taken a
little longer to work things out this year with so many products and
audiences, but we're getting there. Stay tuned.

--- Ben

 _

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Joan Tan
Sent: Friday, May 26, 2006 5:48 PM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Max 2006



MAX will be the week of Oct 24th in Vegas. Other than that, I don't think
they have announced dates for submitting topics yet. I've sent an inquiry
about this and will pass on any information that I hear.



Joan



 _

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Darren Houle
Sent: Friday, May 26, 2006 2:00 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Max 2006



Slightly off [Flex] topic, but since Adobe people monitor this list I
thought I'd ask...

Does anyone have any new details on MAX '06? The Call for Topic deadline
for MAX '05 was May 13th and we're already past that date for this year,
so... is Adobe having a really hard time deciding what shape the MAX
conference should take this year?

Darren





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RE: [flexcoders] Loading one cairngorm into another cairngorm

[Darren Houle]

If I'm understanding you right I'm not sure whether they're Cairngorm or not 
has anything to do with it... once they're compiled into SWFs it doesn't 
matter how you architected your original code.

Not sure if this is what you mean, but... you could write Flex app A and 
make it similar to, say, a movie viewer that used SWFLoader to display other 
sub SWFs. Those sub SWFs could be compiled Flex apps B, C, and D. You 
could potentially build a portal that way.

Only challenge I see is how much communication could happen between the 
master Flex app and the SWFLoaded Flex sub apps. I suppose you could use 
RPC services to pass data from the master to an intermediary to the sub 
apps, or possibly there are internal AS functions that would provide 
communication channels directly between master SWF and SWFLoaded SWF?

Darren


From: sufibaba [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Loading one cairngorm into another cairngorm
Date: Fri, 26 May 2006 23:51:30 -

Hello everyone,

I have one cairngorm application that I would like to Dynamically Load
into another cairngorm application.

What would be the strategy and code to do this.

Thanks.

Tim







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[flexcoders] Bindable Error

[Darren Houle]

I don't know if I'm tired, dumb, or just missing something obvious.

Why does this...

?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml
 mx:Script![CDATA[
 [bindable]
 public var myNum:uint = 0;
 ]]/mx:Script
mx:Label text={myNum} /
mx:Button
 label=Push Me
 click=myNum=10; mx.controls.Alert.show('myNum = '+myNum, 'myNum'); /
/mx:Application

...return this error?

 Data binding will not be able to detect assignments to myNum.

The Alert box shows the value is changed on click, but sure enough the label 
does not change. This seems like about the simplest example of Bindable I 
could possibly think of. Sorry to whine, but why is this so hard? And why 
can't I find the answer in the help files? I think Flex is amazingly cool, 
but dang it's hard to find the answers to some things that should be really 
basic.

Like I said, maybe I'm just over-tired :-)

Thanks!
Darren








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RE: [flexcoders] Re: Bindable Error

[Darren Houle]

Man, I picked the wrong week to stop sniffing glue

Thanks :-)




From: Tim Hoff [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Bindable Error
Date: Thu, 18 May 2006 21:41:38 -

Try changing [bindable] to [Bindable].

-TH

--- In flexcoders@yahoogroups.com, Darren Houle [EMAIL PROTECTED] wrote:
 
  I don't know if I'm tired, dumb, or just missing something obvious.
 
  Why does this...
 
  ?xml version=1.0 encoding=utf-8?
  mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
   mx:Script![CDATA[
 [bindable]
 public var myNum:uint = 0;
   ]]/mx:Script
  mx:Label text={myNum} /
  mx:Button
   label=Push Me
   click=myNum=10; mx.controls.Alert.show('myNum
= '+myNum, 'myNum'); /
  /mx:Application
 
  ...return this error?
 
   Data binding will not be able to detect assignments
to myNum.
 
  The Alert box shows the value is changed on click, but sure enough
the label
  does not change.  This seems like about the simplest example of
Bindable I
  could possibly think of.  Sorry to whine, but why is this so
hard?  And why
  can't I find the answer in the help files?  I think Flex is
amazingly cool,
  but dang it's hard to find the answers to some things that should
be really
  basic.
 
  Like I said, maybe I'm just over-tired :-)
 
  Thanks!
  Darren
 







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RE: [flexcoders] Using a logical AND in property.

[Darren Houle]

Jason,

I know this doesn't actually answer your question, but I ran into the same 
thing recently and found that I was looking at the problem backward.  I was 
trying to set enabled on a Panel based on whether one or more rows were 
selected in a DataGrid.  I tried the same things you did, adding AS code to 
the Panel's enabled property.  I had all kinds of trouble and nothing seemed 
to work right, until I decided to do things backwards.

Instead of adding code to the enabled property that watched or was bound 
to other values or components, I added an itemClick=panelEnabler(); to the 
DataGrid.  The panelEnabler() function just looks like:

public function assignPanelEnabler():void {
 if(dgAccts.selectedItems.length = 1)
  { assign_panel.enabled=true; }
 else
  {assign_panel.enabled=false; }
 }

Now, the DataGrid runs the function whenever items are clicked, and the 
function changes the enabled property for the Panel.  Works perfectly, and 
you don't need to worry about using  inside the enabled property field, 
you can put all your if...then logical operators in the function script.

Darren



From: Jason Hawryluk [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Using a logical AND in property.
Date: Tue, 16 May 2006 15:46:27 +0200

I've tried about 10-20 different ways just can't seem to make it work. I
suppose that a function is the only way, but it's unfortunate. Being able 
to
compare 1 or more bound values in order to get the result would be very
handy in my particular case.

Below is the error I get.

Error: The entity name must immediately follow the '' in the entity
reference.



On a good note I did get this to work

{value1.selected==value2.selected}

but that will only do in certain circumstances.


Thanks for your help. I'm still trying to get Flex to do it, if anyone has
any ideas...

Jason


-Message d'origine-
De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] la
part de Michael Schmalle
Envoyé : mardi 16 mai 2006 15:24
À : flexcoders@yahoogroups.com
Objet : Re: [flexcoders] Using a logical AND in property.


Hi,

I don't even know if you can do it but, did you try using parenthesis ?

Peace, Mike


On 5/16/06, sourcecoderia [EMAIL PROTECTED] wrote:
I'm wanting to be able to do something like the below, where the 
operator is used for a locale compare on the Boolean values, however I
keep getting errors with the various methods I've tried.

mx:CheckBox enabled={value1.selected==true 
value2.selected==true } label=myitem id=chk_item /

Where values(1 and 2) are other checkbox controls.

Any ideas on a good way to do the above. I'm trying to stay away from
script as much as possible for this type of stuff in order to keep it
as simple as possible for the UI designer.

Thanks

Jason






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Re: [flexcoders] Flex Apps and Google/Search Engines

[Darren Houle]

Amazon.com and eBay are (arguably) apps and it makes sense to crawl them.  
Depends on what data you have inside your app and whether you want to make 
sections of the app or products in the database public, available, and/or 
easily locatable.

Darren



From: Manish Jethani [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Flex Apps and Google/Search Engines
Date: Tue, 16 May 2006 21:16:59 +0530

On 5/12/06, Simon Fifield [EMAIL PROTECTED] wrote:

  Does anyone have any  information or links about how successful Google 
and other search engine bots  are at crawling Flex Apps?

Why would a search engine want to crawl an *app*?



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RE: [flexcoders] delete class instances

[Darren Houle]

Is this what you mean...?

ActionScript 3.0 does not support using the delete operator to remove an 
entire object. In ActionScript 2.0, you could use delete to remove an object 
or on an object property. In ActionScript 3.0, the delete operator is now 
ECMAScript compatible, meaning delete can only be used on a dynamic property 
of an object.

From http://livedocs.macromedia.com/labs/1/flex20beta3/1662.html

For more information on memory management and garbage collection see the 
bottom of this page:

http://livedocs.macromedia.com/labs/1/flex20beta3/1584.html

Darren




From: Sonja Duijvesteijn [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] delete class instances
Date: Tue, 16 May 2006 20:54:28 +0200

I've been working with Flex since last Februari, and since then I've been
having a problem with classes. Since it's seemed foolish that I could not
find the solution myself I've been hesitant to ask but here goes.

How do you delete and instance of a class?! I've set up a small example 
with
a class 'PingTime' which says 'ping' every second. And I'd like it to stop,
but not just stop but completely remove the class out of memory. How do I 
do
that? I'm sure there's a solution, and probably it's in the docs somewhere,
but I just can't find it.

How do I make the pinging stop?

Kind regards,
Sonja Duijvesteijn

package sd.classes {
 import flash.utils.Timer;
 import flash.events.TimerEvent;
 import mx.core.Application;

 public class PingTime {
 private var timer:Timer;

 public function PingTime() {
 timer = new Timer(1000);
 timer.addEventListener(TimerEvent.TIMER, sayPing);
 timer.start();
 }

 private function sayPing(event:TimerEvent):void {
 Application.application.pingTxt.text += ping 
 timer.reset();
 timer.start();
 }
 }
}

?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml layout=absolute
creationComplete=init()
 mx:Script
 ![CDATA[
 import sd.classes.PingTime;
 private var ping:PingTime;

 private function init():void {
 ping = new PingTime();
 }

 private function removePing():void {

 }
 ]]
 /mx:Script
 mx:Button x=10 y=10 label=stop Ping/
 mx:TextArea x=10 y=56 width=445 height=143 
click=removePing()
id=pingTxt/
/mx:Application








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Re: [flexcoders] Re: delete class instances

[Darren Houle]

This may have already been answered somewhere, but I've searched and if it's 
out there it's not really obvious...

I am pulling data from a CFC and displaying it in a DataGrid. When I click 
on a grid header to sort and there's a blank first row in that column I get:

Error: Cannot determine comparator for SortField with name ''TELEPHONE''.

I have two questions...

First, is this a bug that will be fixed in a later release or is this by 
design and will remain this way? Seems like a bug to me. Seems like Flex 
should treat null / emptystring as  for sorting purposes.

Second, how can I correct this problem *without* altering the CFC that 
returns the data? I need to display the actual data from the query, not 
something I inserted. ie. if there's no data I need to display an empty 
cell, so... I'd can't insert n/a or some other value into the null/empty 
fields in the server side CFC query.

Thanks!
Darren








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RE: [flexcoders] Does anybody know where I can enroll in a Flex teacher lead class with hands-on exercises?

[Darren Houle]

You might try http://www.mikekollen.com/blog/

If he can't help you he might be able to point you to another resource!

Darren





From: Mahmoud Elsayess [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Does anybody know where I can enroll in a Flex 
teacher lead class with hands-on exercises?
Date: Mon, 15 May 2006 09:35:15 -0700

Greeting,

Does anybody know where I can enroll in a Flex teacher lead class with 
hands-on exercises?

Thank you.

A new kid to Flex.

Mahmoud Elsayess
www.readverse.com








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[flexcoders] Re: Problem with Clicks Changing View States

[Darren Houle]

The mx:component tag creates a new scope block. You can use outerDocument 
to reference outer scoped variables.

See 
http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Partsfile=0857.html

Darren




--- In flexcoders@yahoogroups.com, [EMAIL PROTECTED] wrote:
 
  Greetings -
 
  Here's an Item renderer that turns name into a link. That link
should
  simply lead to a different view state (named 'edit'):
 
  mx:DataGridColumn headerText=Name dataField=Name
   mx:itemRenderer
mx:Component
mx:LinkButton
 label={data.Name}
 click=currentState='edit'
 enabled=true
 textAlign=left
 color=#2c6e9f
/mx:LinkButton
   /mx:Component
   /mx:itemRenderer
  /mx:DataGridColumn
 
  (the 'edit' state exists further down in the mxml.)
 
  The link buttons render properly but clicking the links produces
this
  error:
 
  ArgumentError: Undefined state 'edit'.
   at mx.core::UIComponent/::getState()
   at mx.core::UIComponent/::findCommonBaseState()
   at mx.core::UIComponent/::commitCurrentState()
   at mx.core::UIComponent/setCurrentState()
   at mx.core::UIComponent/set currentState()
   at ProspectStates_inlineComponent1/___LinkButton1_click()
 
 
  A button however (just below the data grid containing the
  itemRenderer above) does work. Here's the markup for the button:
 
  mx:Button label=Edit click=currentState='edit' id=button9/
 
  How is it that the same click syntax works for the button but
fails
  for the linkButton in the Item Renderer?
 
  (Note that all the markup above is within a custom component;
these
  view states are not states of the application tag.
 
  cheers, ethan
 








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Re: [flexcoders] Developers Derby - Question for Adobe

[Darren Houle]

Does Flex require installing Flash Pro?

No, but you might want to have Flash around for writing other SWFs that can 
be loaded into Flex

Can Flex run on a machine that does not have Flash?

Flash the player or Flash the development environment? Technically yes, 
you can install Flex and run Builder on a machine that does not have Flash 
player or IDE, but you won't be able to view your applications without the 
player. Flex 2 Beta 3 applications only run in the latest Flash 9 beta 
player. Flex does not require the Flash IDE be installed at all.

Mahmoud Elsayess
www.readverse.com

 - Original Message -
 From: Matt Chotin
 To: flexcoders@yahoogroups.com
 Sent: Saturday, May 13, 2006 12:05 AM
 Subject: RE: [flexcoders] Developers Derby - Question for Adobe


 Mail me the url of your submission and I'll see if we have it.



 I believe we do but you're using a different email address than the one 
I see so I want to confirm.



 Matt




--

 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On 
Behalf Of Nikmd23
 Sent: Friday, May 12, 2006 6:07 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Developers Derby - Question for Adobe



 Hey Adobe people,

 I submitted an application into the Derby a week ago. I still have not 
received the confirmation Email or any feedback. I was wondering if this 
was because you guys are so busy this week (Beta 3  Spry), or perhaps 
something went wrong when I filled out the form. I couldn't find a contact 
person to address this to on the labs, so I'm hoping this will get to the 
right person here.

 Thank You!




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RE: [flexcoders] Problem with Cairngorm 2 version of Phones app.

[Darren Houle]

Alternatively you could unzip them anywhere and import the files into a 
new, empty F2B3 project.  I had to do that with a bunch of Cg.99 and Cg2 
samples to get them to work.

Also, just about every sample Cg app I've run across has something in it 
somewhere that won't compile in F2B23... Link instead of LinkButton... 
coersion of UIComponent into possibly unrelated Container... the 
www.macromedia.com/2005/mxml and http://www.iterationtwo.com/cairngorm 
namespaces... can't find ServiceLocator the Cg.99 code not residing in 
packages (which AS 3 requires) stopping the IDE from being able to find them 
when I'm lookin right at 'em.  There hasn't been a single Cg sample app 
that's worked OOTB for me without having to change something (even the Cg2 
CairngormLogin example needs tweaking.)

Beta is certainly fun, but it can be awfully frustrating at times too :-)

Darren



From: Benoit Hediard [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Problem with Cairngorm 2 version of Phones app.
Date: Fri, 12 May 2006 15:57:44 +0200

You need to unzip all the files in the root folder of a new Flex Builder
project and compile it.
And it should work.

Benoit Hediard

   _

De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] De la
part de Kevin Roche
Envoyé : vendredi 12 mai 2006 15:47
À : flexcoders@yahoogroups.com
Objet : RE: [flexcoders] Problem with Cairngorm 2 version of Phones app.


Yes, the file is there but I gues it may not be in the right place. I am
assuming that placing the whole thing under the place where the mxml file 
is
is correct or does it nee to be in some path so that flex can find it?

-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Niklas Richardson
Sent: 12 May 2006 11:59
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Problem with Cairngorm 2 version of Phones app.


Stupid question - the file exists?



On 5/12/06, Kevin Roche [EMAIL PROTECTED] wrote:

Hi Nik,

I found the problem, needed to add all the mxml files to the application.

Now I have another problem.

Error message says:

Unable to locate specified base class
'org.nevis.cairngorm.business.ServiceLocator' for component class
'ApplicationServices'

I do have the cairngorm directory structure (org.. etc) in the same
directory as main.mxml.

Any ideas why its not found?

Kevin

-Original Message-
From: flexcoders@yahoogroups.com  mailto:flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Niklas Richardson
Sent: 12 May 2006 11:09
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Problen with Cairngorm 2 version of Phones app.


Hi Kevin,

Good to see you on here.

Could you post the line(s) in question?  It might be that you need to do
some

Cheers

Niklas



On 5/12/06, Kevin Roche [EMAIL PROTECTED] wrote:

Hi,

I am having difficult getting the Flex 2 Phones application working with
Flex2 Beta 2 (Did not want to try Beta3 until it works)

When I try to save and compile I get the following error:

Implicit coercion of a value with static type 'Object' to a possibly
unrelated type 'Array' Line 33 PhoneListGetCommand.as

Anyone know why or what went wrong?  I am still learning ActionScript and
cant see quite what is wrong here.

Kevin Roche







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Prismix Ltd

UK based Flex and ColdFusion Specialists

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RE: [flexcoders] Problem with Cairngorm 2 version of Phones app.

[Darren Houle]

You have the actual ServiceLocator file in your folders, so open it up and 
check and to see if the ServiceLocator code in the file is wrapped with an 
outer package {} definition.  If not then the files trying to import that 
class won't find that class in the proper package.

For instance... in the app your building (or in the phones example app) you 
might have a Services.mxml file in the business folder.  The contents are:


cairngorm:ServiceLocator
xmlns:mx=http://www.adobe.com/2006/mxml;
xmlns:cairngorm=org.nevis.cairngorm.business.*
mx:HTTPService
id=dummyDelegate
url=assets/dummy.xml
result=event.call.resultHandler( event )
fault=event.call.faultHandler( event )
showBusyCursor=true
useProxy=false /
/cairngorm:ServiceLocator


xmlns:cairngorm=org.nevis.cairngorm.business.* says look in 
org.nevis.cairngorm.business for the ServiceLocator package.

Meanwhile, the beginning of you ServiceLocator.as file needs to read:

-
package org.nevis.cairngorm.business {

import mx.core.UIComponent;
import mx.rpc.AbstractService;
import mx.rpc.http.HTTPService;

public class ServiceLocator extends UIComponent {
...
-

so that the ServiceLocator class lives inside the 
org.nevis.cairngorm.business package.

If your Services.mxml namespace is wrong it won't be able to find the 
business package, and if the namespace is correct but the ServiceLocator 
isn't IN the business package - wrapped with the package {} definition - 
then the compiler will tell you it can't locate the ServiceLocator.

Make sense?

Darren



From: Kevin Roche [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Problem with Cairngorm 2 version of Phones app.
Date: Fri, 12 May 2006 19:00:02 +0100

Benoit,

That's what I did!   I'm stuck now.

Kevin
   -Original Message-
   From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Benoit Hediard
   Sent: 12 May 2006 14:58
   To: flexcoders@yahoogroups.com
   Subject: RE: [flexcoders] Problem with Cairngorm 2 version of Phones 
app.


   You need to unzip all the files in the root folder of a new Flex Builder
project and compile it.
   And it should work.

   Benoit Hediard




--
   De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] De 
la
part de Kevin Roche
   Envoyé : vendredi 12 mai 2006 15:47
   À : flexcoders@yahoogroups.com
   Objet : RE: [flexcoders] Problem with Cairngorm 2 version of Phones app.


   Yes, the file is there but I gues it may not be in the right place. I am
assuming that placing the whole thing under the place where the mxml file 
is
is correct or does it nee to be in some path so that flex can find it?
 -Original Message-
 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Niklas Richardson
 Sent: 12 May 2006 11:59
 To: flexcoders@yahoogroups.com
 Subject: Re: [flexcoders] Problem with Cairngorm 2 version of Phones
app.


 Stupid question - the file exists?



 On 5/12/06, Kevin Roche [EMAIL PROTECTED] wrote:
   Hi Nik,

   I found the problem, needed to add all the mxml files to the
application.

   Now I have another problem.

   Error message says:

   Unable to locate specified base class
'org.nevis.cairngorm.business.ServiceLocator' for component class
'ApplicationServices'

   I do have the cairngorm directory structure (org.. etc) in the same
directory as main.mxml.

   Any ideas why its not found?

   Kevin
 -Original Message-
 From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Niklas Richardson
 Sent: 12 May 2006 11:09
 To: flexcoders@yahoogroups.com
 Subject: Re: [flexcoders] Problen with Cairngorm 2 version of 
Phones
app.


 Hi Kevin,

 Good to see you on here.

 Could you post the line(s) in question?  It might be that you need
to do some

 Cheers

 Niklas



 On 5/12/06, Kevin Roche [EMAIL PROTECTED] wrote:
   Hi,

   I am having difficult getting the Flex 2 Phones application
working with
   Flex2 Beta 2 (Did not want to try Beta3 until it works)

   When I try to save and compile I get the following error:

   Implicit coercion of a value with static type 'Object' to a
possibly
   unrelated type 'Array' Line 33 PhoneListGetCommand.as

   Anyone know why or what went wrong?  I am still learning
ActionScript and
   cant see quite what is wrong here.

   Kevin Roche






    Yahoo! Groups
Sponsor 

RE: [flexcoders] Overlap?

[Darren Houle]

No replies on this... has no one else seen this happen? No one knows what 
this overlap is? Any help would be appreciated.

Darren



From: Darren Houle [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Overlap?
Date: Tue, 09 May 2006 00:25:25 -0400

I just installed B3. Before installing I followed instructions like a good
boy and deleted my project definitions (not the files) and uninstalled B2.
That went fine, as did the the B3 install. Now I'm trying to recreate my 
B2
projects.

B3 created a new \My Documents\Flex Builder 2.0\ folder at the same level 
as
the previous \My Documents\Flex\ folder and wants to use that as the new
default projects home. I moved my old project files under the new default
home. Problem is that when I try to create any project and specify one of
these folders I get something like C:\...\My Documents\Flex Builder
2.0\Cg2\Login overlaps the workspace location: C:\...\My Documents\Flex
Builder 2.0 in the project wizard.

Previously all my different projects lived underneath the one \Flex folder
in separate folders of their own... is there a problem with that now in B3?
Do I need to create separate project folders at the same level as the \Flex
Builder 2.0\ folder?

Thanks!
Darren





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Re: [flexcoders] Simple XML web service call

[Darren Houle]

Yes, the CFC is running, it's Flex that's not dealing with the returned 
results properly. I finally gave up on doing it this way and now I'm just 
returning a datatype of query from the CFC which works fine. It just that 
it seems like the code should work (it's so basic) but yet it didn't. Maybe 
it's just me, but it seems like the Flex documentation was a little thin 
here.

Darren



Can you confirm the CFC is run (by adding some logging) or at least 
accessed (in the web server logs) ?


Tom Chiverton












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RE: [flexcoders] Simple XML web service call

[Darren Houle]

Yes, I'm loading the SWF from localhost, which is calling a web service on 
locahost.

Darren



How are you loading the SWF? Is the SWF hosted on the same machine as
the CFC? Note that localhost and 127.0.0.1 are not the same string for
purposes of domain name checking for security sandbox restrictions.

-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Darren Houle
Sent: Tuesday, May 09, 2006 2:51 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Simple XML web service call

This is probably very simple and I'm just being stupid, but... why
doesn't this work? I don't get any errors, just a blank swf w/o the
Label. I'm in Beta 3.

mxml file

?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml
 creationComplete=wsTest.testFunction.send()
 mx:WebService id=wsTest useProxy=false
  wsdl=http://localhost/ia_cleanup.cfc?wsdl
  mx:operation name=testFunction resultFormat=xml /
 /mx:WebService
 mx:Label text={wsTest.testFunction.lastResult.msg} /
/mx:Application


...and the accompanying CFC file
-
cfcomponent
 cffunction name=testFunction access=remote output=false
returntype=xml
  cfxml variable=xmlResults
   msgHello World/msg
  /cfxml
  cfreturn xmlResults
 /cffunction
/cfcomponent

I've tried different resultFormats, different returnTypes... returning a
string instead of the cfxml tag... building mystring and returning the
result of parseXML(mystring). Nothing seems to work.

Thanks,
Darren





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Re: [flexcoders] Article on Cairngorm for Fusion Authority

[Darren Houle]

Wow! Seriously? That amazes me. We never would have adopted Flex 1.5 at 
it's current price model... and it is 1.5 - just slightly more mature than a 
version 1.0, and our company rarely ever adopts version 1 of anything for 
use at an enterprise level. I would think that the more mature, less 
expensive Flex 2.0 would be the most desirable path. I know that we'll be 
employing it all over the place once it's out of beta. My web team has no 
desire to even look at 1.5 now that 2.0 is on the way.

Darren


From: Tom Chiverton [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Article on Cairngorm for Fusion Authority
Date: Thu, 11 May 2006 09:07:47 +0100

I can't see everyone on the released Flex 1.5 automatically upgrading to 
Flex 2 (even for new-start projects) when it comes out of alpha/beta.


Tom Chiverton








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