[flexcoders] Re: One custom component referring to another

[Michael Labriola]

Jason,

In an ideal world, component A would throw events up. Those events 
would be caught in the application (in this case) and call 
corresponding methods in component B.

You really, really don't want to start coupling these components 
together by calling the internals of one from the other in this way. 
Especially when they really are peers in your application.

Just my 2 cents,
Mike

--- In flexcoders@yahoogroups.com, "Merrill, Jason" 
<[EMAIL PROTECTED]> wrote:
>
> I thought this would be simple - having one custom display object 
modify another through a reference:
> 
> 
>   
>   
> 
> 
> I want to have MyComponentA refer to objects/methods inside of 
MyComponentB.  I tried passing a reference in:
> 
> 
>   
>   
> 
> 
> But I get an error saying, "Access of possibly undefined property 
myComponentA through a reference with static type 
flash.display:DisplayObject."
> 
> I tried calling "parent.myComponentA" from actionscript inside of 
MyComponentB.MXML, but it couldn't find the instance 
of "myComponentA".  
> 
> How do you handle this?  I know this probably isn't ideal 
architecture, but would there have to be scripts that listen for 
events in one component in the main app and then modify the other 
component?  I guess I could do that if it is best practice.  I need 
the two components to be separated because they are two different 
parts of the UI, but need to interact.  One has controls that change 
the view and data in the other.  Does it have to modify the other 
component from actionscript on the main app or can I just pass a 
reference into one component like I have tried?  
> 
> Thanks.
> 
> 
> Jason Merrill 
> Bank of America 
> Global Technology & Operations & Global Risk L&LD 
> eTools & Multimedia 
> 
> Join the Bank of America Flash Platform Developer Community  
http://sharepoint.bankofamerica.com/sites/tlc/flash/default
.aspx> 
> 
> Are you a Bank of America associate interested in innovative 
learning ideas and technologies?
> Check out our internal  GT&O Innovative Learning Blog 
http://sharepoint.bankofamerica.com/sites/ddc/rd/blog/defau
lt.aspx>  & subscribe 
http://sharepoint.bankofamerica.com/sites/ddc/rd/blog/_layo
uts/SubNew.aspx?List=\{41BD3FC9-BB07-4763-B3AB-A6C7C99C5B8D\}
&Source=http://sharepoint.bankofamerica.com/sites/ddc/rd/blog/Lists/P
osts/Archive.aspx> .
>

[flexcoders] Re: New to flex, wonder why one works and the other doesn't...

[Michael Labriola]

Close, but no.

In Flex, parents are responsible for sizing their children. Flex 
Containers (which are just UIComponents with more code) do size 
their children, but you can also create UIComponents that know how 
to size their children. 

Neither a container, nor a component that implements a container 
interface needs to be involved in any way to handle this. That is 
the fallacy I am addressing.

Look at the example I provided and you will not see a Container or 
implementor of that interface.

In other words: 
* UIComponents can contain other UIComponents. 
* Containers are UIComponents which know how to automatically size 
their children through the component lifecycle

Does this make sense?
Mike



--- In flexcoders@yahoogroups.com, Joseph Balderson <[EMAIL PROTECTED]> wrote:
>
> In other words, UIComponents /can/ natively contain other 
UIComponents, 
> only the child UIComponent will by default have a 0 width and 
height.
> 
> Which it means it won't show up on the stage. Which means, by 
default, 
> you cannot get a native (non-extended) UIComponent to show up when 
you 
> add it to another UIComponent. Which means you cannot 
(successfully) add 
> a native UIComponent to another UIComponent.
> 
> Thanks for catching the technicality, as a writer I love that kind 
of 
> precision.
> 
> But basically what Charlie was saying is correct: "UIComponent's 
can't 
> contain other UIComponents without being a subclass of Container 
or 
> implementing the IContainer interface." -- only he forgot to 
add 'and 
> have them successfully show up on stage'.
> 
> So you're both correct IMO. Thanks for the clarity.
> 
> 
_
__
> 
> Joseph Balderson | http://joeflash.ca
> Flex & Flash Platform Developer | Abobe Certified Developer & 
Trainer
> Author, Professional Flex 3 (coming Winter 2008)
> Staff Writer, Community MX | http://communitymx.com/author.cfm?
cid=4674
> 
> 
> 
> Michael Labriola wrote:
> > Guys, sorry, but that's not quite right. UIComponents can 
contain 
> > other UIComponents without being a container. It is a common use 
> > case. Take a look at the simple example Adobe includes with 
their 
> > docs:
> > 
> > 
http://livedocs.adobe.com/flex/2/docs/wwhelp/wwhimpl/js/html/wwhelp.h
> > tm?href=1742.html
> > 
> > You will notice that the mocal text component is a UIComponent 
but 
> > it contains a button and a text area... both UIComponents.
> > 
> > The difference is that containers like Canvas have the logic to 
size 
> > and position any child they contain by default. UIComponent does 
> > not. So, in a UIComponent descendant, you need to write code to 
size 
> > and position every child or they will exist as 0 width and 0 
height 
> > component.
> > 
> > HTH,
> > Labriola
> > 
> > 
> > --- In flexcoders@yahoogroups.com, "Charlie Hubbard" 
> >  wrote:
> >> Right.  Image is a UIComponent, and TextArea is a UIComponent.
> >> UIComponent's can't contain other UIComponents without being a
> >> subclass of Container or implementing the IContainer 
interface.  
> > Not a
> >> simple task.
> >>
> >> addChild() is defined in DisplayObject which apart of the Flash 
API
> >> not the Flex API.  BitmapAsset is a sublcass of DisplayObject 
and 
> > not
> >> UIComponent.  So you can add it to the text area directly using 
> > this
> >> code:
> >>
> >>var img : BitmapAsset = new imgCls() as BitmapAsset;
> >>img.x = txtArea.mouseX;
> >>img.y = txtArea.mouseY;
> >>txtArea.addChild( img );
> >>
> >> Now, try that out, and you'll start to see some issues that 
you'll
> >> have to asess if this is going to work for what you're trying 
to 
> > do.
> >> Since the bitmap is not apart of the document in the TextArea 
you 
> > are
> >> going to get clipping or scrolling.  If you want to do that 
you'll
> >> have to get really dirty with the TextArea API.  Probably even
> >> ditching TextArea altogether and writing your own, or modifying 
> > rich
> >> text editor.
> >>
> >> Charlie
> >>
> >>
> >> On Thu, May 29, 2008 at 5:37 PM, aarhac  wrote:
> >>> Hello,
> >>>
> >>> I have figured out how to work around my problem, but I do 
> > wonder why
> >>> one of the following methods works, and the other doesn't. I 
> > would be
> >>>

[flexcoders] Re: book errata

[Michael Labriola]

If you find anything specific and it is not yet on the peachpit 
site, feel free to email me directly off-list.


--- In flexcoders@yahoogroups.com, Joseph Balderson <[EMAIL PROTECTED]> wrote:
>
> Check the peachpit website.
> 
_
__
> 
> Joseph Balderson | http://joeflash.ca
> Flex & Flash Platform Developer | Abobe Certified Developer & 
Trainer
> Author, Professional Flex 3 (coming Winter 2008)
> Staff Writer, Community MX | http://communitymx.com/author.cfm?
cid=4674
> 
> 
> 
> Mark Volkmann wrote:
> > Is there an errata page for the book "Adobe Flex 3 - Training 
from the Source"?
> > 
> > 
> > 
> > 
> > --
> > Flexcoders Mailing List
> > FAQ: 
http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
> > Search Archives: http://www.mail-archive.com/flexcoders%
40yahoogroups.comYahoo! Groups Links
> > 
> > 
> > 
> >
>

[flexcoders] Re: Air App - Check connection

[Michael Labriola]

Indra,

Look in the AIR help files for the presence API. 

I think this article also covers it, but not sure how up to date it 
is:

http://www.adobe.com/devnet/air/flex/articles/flickr_floater_06.html

HTH,
Labriola

--- In flexcoders@yahoogroups.com, Indra Prastha <[EMAIL PROTECTED]> 
wrote:
>
> Hi Guys,
> 
> I'm creating an Air Application that has to check the connections 
to a
> server.
> So when there's connection to the server, it retrieves XMLs through
> HTTPservice from my backend
> and if there's no connection , it should retrieve XMLs from local 
disk.
> Reading xml is no problem in both ways, but whats the best way to 
create
> the connection checking logic.??
> 
> Thanks
> - Indra
>

[flexcoders] Re: New to flex, wonder why one works and the other doesn't...

[Michael Labriola]

Guys, sorry, but that's not quite right. UIComponents can contain 
other UIComponents without being a container. It is a common use 
case. Take a look at the simple example Adobe includes with their 
docs:

http://livedocs.adobe.com/flex/2/docs/wwhelp/wwhimpl/js/html/wwhelp.h
tm?href=1742.html

You will notice that the mocal text component is a UIComponent but 
it contains a button and a text area... both UIComponents.

The difference is that containers like Canvas have the logic to size 
and position any child they contain by default. UIComponent does 
not. So, in a UIComponent descendant, you need to write code to size 
and position every child or they will exist as 0 width and 0 height 
component.

HTH,
Labriola


--- In flexcoders@yahoogroups.com, "Charlie Hubbard" 
<[EMAIL PROTECTED]> wrote:
>
> Right.  Image is a UIComponent, and TextArea is a UIComponent.
> UIComponent's can't contain other UIComponents without being a
> subclass of Container or implementing the IContainer interface.  
Not a
> simple task.
> 
> addChild() is defined in DisplayObject which apart of the Flash API
> not the Flex API.  BitmapAsset is a sublcass of DisplayObject and 
not
> UIComponent.  So you can add it to the text area directly using 
this
> code:
> 
>   var img : BitmapAsset = new imgCls() as BitmapAsset;
>   img.x = txtArea.mouseX;
>   img.y = txtArea.mouseY;
>   txtArea.addChild( img );
> 
> Now, try that out, and you'll start to see some issues that you'll
> have to asess if this is going to work for what you're trying to 
do.
> Since the bitmap is not apart of the document in the TextArea you 
are
> going to get clipping or scrolling.  If you want to do that you'll
> have to get really dirty with the TextArea API.  Probably even
> ditching TextArea altogether and writing your own, or modifying 
rich
> text editor.
> 
> Charlie
> 
> 
> On Thu, May 29, 2008 at 5:37 PM, aarhac <[EMAIL PROTECTED]> wrote:
> > Hello,
> >
> > I have figured out how to work around my problem, but I do 
wonder why
> > one of the following methods works, and the other doesn't. I 
would be
> > grateful if someone could explain the error in the failing 
method.
> >
> > The code is pasted below (Below the line of dashes) in it's 
entirety,
> > and is commented as to which works and which doesn't.
> >
> > The image referenced in this case is a 32x32 pixel png file on my
> > local system. I am attempting to display the image "on" a text 
area.
> >
> > Using the default example from the flex documentation to embed an
> > image, I cannot get the image to show up when added to the text 
area's
> > display list, but it does show just fine when added to the root
> > display list. I also added the image to the textArea using
> > addChildAt(txtIcon, txtArea.numChildren) with no change in 
effect.
> >
> > The second method works just fine. I imagine that the problem has
> > something to do with applying the image as a byte array to
> > image.source, but I wonder why exactly? Is this a bug?
> >
> > Thanks in advance,
> >
> > --Aaron
> >
> > 
> >
> > 
> > http://www.adobe.com/2006/mxml";
> > layout="absolute">
> >
> > 
> > 
> >
> > 
> >
> > 
> > 
> > 
> >
> > 
> >
> >
>

[flexcoders] Re: getting authenticating error

[Michael Labriola]

Parag,

Send me the code offline and I will help you debug. I am not sure I 
understand the issue currently.

Mike

--- In flexcoders@yahoogroups.com, "Parag Metha" <[EMAIL PROTECTED]> 
wrote:
>
> Hi All, 
> 
> I have written multiple login testcases using dpunit and using 
sequence as
> per sample example. In this sequence whether we do login or logout 
server
> trip is made and required processing is done on server. 
> 
> The testcase structure is as follows: 
> 
> TestCase1.as   |
> 
> setup() | 
> tescase1() {login is called on server}  ==>| 
> teradown() {logout called on server}  | 
>
 | 
> TestCase2.as  | 
> setup()  | 
> tescase2() {login is called on server}  ==>| TestSuite 
=>
> TestRunner
> teradown() {logout called on server}  | 
>
 | 
> TestCase3.as  | 
> setup()  | 
> tescase3() {login is called on server}  ==>| 
> teradown() {logout called on server}  | 
> 
> As per my knowledge after completion of teardown() of testcase1 
then it
> should go for 2nd test setup() and this works fine. But what is 
happening
> that UIComponent maintains list of function to be called. 
> UIComponent is not calling individual functions. So login is called
> perfectly but logout is not being called. So 1st testcase it is 
working but
> for 2nd testcase it's giving error. This error is due to logout 
has not
> happen on 1st testcase and 2nd testcase is trying to login on 
server. 
> 
> The error is as follows: 
> 
> Error: Credentials cannot be set while authenticating or logging 
out.
> 
>   at
> mx.messaging::Channel/setCredentials()
[C:\dev\depot\flex\branches\flex_201_b
> orneo\sdk\frameworks\mx\messaging\Channel.as:841]
> 
>   at
> mx.messaging::ChannelSet/setCredentials()
[C:\dev\depot\flex\branches\flex_20
> 1_borneo\sdk\frameworks\mx\messaging\ChannelSet.as:960]
> 
>   at
> mx.messaging::MessageAgent/setCredentials()
[C:\dev\depot\flex\branches\flex_
> 201_borneo\sdk\frameworks\mx\messaging\MessageAgent.as:840]
> 
>   at
> mx.rpc::AbstractService/setCredentials()
[C:\dev\depot\flex\branches\flex_201
> _borneo\sdk\frameworks\mx\rpc\AbstractService.as:379]
> 
>   at
> 
com.adobe.cairngorm.business::SecureDestinationLocator/setCredentials
OnServi
> ce()
[E:\PerforceClient\dev\www\src\com\adobe\cairngorm\business\SecureDes
tin
> ationLocator.as:263]
> 
>   at
> 
com.adobe.cairngorm.business::SecureDestinationLocator/setServiceCred
entials
> ()
[E:\PerforceClient\dev\www\src\com\adobe\cairngorm\business\SecureDes
tinat
> ionLocator.as:104]
> 
>   at
> 
com.adobe.cairngorm.business::SecureDestinationLocator/setCredentials
()[E:\P
> 
erforceClient\dev\www\src\com\adobe\cairngorm\business\SecureDestinat
ionLoca
> tor.as:71]
> 
>   at
> 
com.cognos.obi.ria.authentication.business::LoginBusinessDelegate/log
in()[E:
> 
\PerforceClient\dev\www\src\com\cognos\obi\ria\authentication\busines
s\Login
> BusinessDelegate.as:35]
> 
>   at
> com.cognos.obi.ria.authentication.commands::LoginCommand/execute()
[E:\Perfor
> 
ceClient\dev\www\src\com\cognos\obi\ria\authentication\commands\Login
Command
> .as:28]
> 
>   at
> com.adobe.cairngorm.control::FrontController/executeCommand()
[C:\dev\swat\pr
> 
ojects\ac_emea\Cairngorm\com\adobe\cairngorm\control\FrontController.
as:212]
> 
>   at flash.events::EventDispatcher/dispatchEventFunction()
> 
>   at flash.events::EventDispatcher/dispatchEvent()
> 
>   at
> com.adobe.cairngorm.control::CairngormEventDispatcher/dispatchEvent
()[C:\dev
> 
\swat\projects\ac_emea\Cairngorm\com\adobe\cairngorm\control\Cairngor
mEventD
> ispatcher.as:113]
> 
>   at
> com.cognos.obi.ria.authentication.view::LoginForm/login()
[E:\PerforceClient\
> 
dev\www\src\com\cognos\obi\ria\authentication\view\LoginForm.mxml:60]
> 
>   at
> com.cognos.obi.ria.authentication.view::LoginForm/__b_submit_click
()[E:\Perf
> 
orceClient\dev\www\src\com\cognos\obi\ria\authentication\view\LoginFo
rm.mxml
> :88]
> 
>   at flash.events::EventDispatcher/dispatchEventFunction()
> 
>   at flash.events::EventDispatcher/dispatchEvent()
> 
>   at
> mx.core::UIComponent/dispatchEvent()[E:\dev\flex_3_beta3
\sdk\frameworks\proj
> ects\framework\src\mx\core\UIComponent.as:9041]
> 
>   at
> 
net.digitalprimates.flex2.uint.sequence::SequenceEventDispatcher/exec
ute()[C
> :\Documents and
> 
Settings\mlabriola\Workspaces\ne

[flexcoders] Re: DataGrid is slow

[Michael Labriola]

Alex,

Wouldn't it actually just be 12 rows x the number of visible rows, 
not the 50 rows of data?

Mikhail, any chance of posting an example online somewhere? I know 
you said that there were no custom renderers. Any labelFunctions, etc?

ML

--- In flexcoders@yahoogroups.com, "Alex Harui" <[EMAIL PROTECTED]> wrote:
>
> Hmm.  12 columns by 50 rows is 600 renderers.  Should scroll 
reasonably
> quickly using line-scrolling.  How many rows per sec/minute are you
> getting?
> 
>  
> 
> 
> 
> From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On
> Behalf Of Mikhail Shevchuk
> Sent: Wednesday, May 30, 2007 9:54 AM
> To: flexcoders@yahoogroups.com
> Subject: Re: [flexcoders] DataGrid is slow
> 
>  
> 
> >Any custom renderers? Or just basic renderers? Is the data static
> or are there frequent updates?
> >If you have custom renderers have you read my blog
> (blogs.adobe.com/aharui)
> 
> No, there are no custom renderers at all, but obviously the more
> columns I create the more it slows.
>

[flexcoders] Re: Problem with loading xml file using HTTPService or URLLoader

[Michael Labriola]

Maciek,

You may want to read up on crossdomain files. You should be able to 
google this term and find information. Here is a link to explore, but 
there are probably easier to understand resources.

http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=tn_14213

Mike


--- In flexcoders@yahoogroups.com, "Maciek Malaszuk" 
<[EMAIL PROTECTED]> wrote:
>
> Hi,
> 
> I'm struggling with strange problem.
> I'm trying to load XML file in my code which containst data about 
> images but thats nor really relevant.
> 
> Lets assume i have remote server where i run my code (domain 
> x.net).
> 
> When i point both httpservice or urlloader to http://mydomain.net/
> photos.xml it does work on my local machine but DOES NOT when i 
copy 
> the file to that mydomain server.
> 
> This is only one configuration it works on. 
> 
> Different scenario i tried and does not work is:
> loader pointing to http://mylocalmachineIP/photos.xml (which is 
> accessible from the internet) and application neither on local 
> machine nor server works.
> 
> Did anyone encountered similar problem before? I would expect 
> httpservice to be able to access file regardless of its location if 
> the url is valid...
> 
> Thanks for help as i'm really stuck on this one.
>

[flexcoders] Re: Defining a dynamic UI

[Michael Labriola]

To add to what Tracy was saying..

Let's say you have a component in the comps directory called MyComp. 
It could be in MXML or in Actionscript, it doesn't matter.

First you would need to import that component definition by saying 
import comps.MyComp;

Then, at anytime, for instance in response to a button click, you can 
say:

var someVar:MyComp = new MyComp();
someVar.property1 = 3;
someVar.property2 = 7;
this.addChild( someVar );
 
or myViewStack.addChild( someVar );

You could make a series of functions which create these components 
and set them, calling the appropriate function when needed. Or you 
could dig a little further and learn about factories... is this 
basically what you were trying to do or are we missing your point?

Mike



--- In flexcoders@yahoogroups.com, "Tracy Spratt" <[EMAIL PROTECTED]> wrote:
>
> You understand that if you use navigation containers, like 
viewStack and
> TabNavigator, that much of this is done for you automatically?
> 
>  
> 
> Also, separate mxml files is a fine way to make re-useable 
components.
> Their size is not significant.  Make them generic so that you can 
set
> properties and event listeners.
> 
>  
> 
> I don't know if the  tag can be used anywhere other 
than
> in an item renderer(state?), but you might check.
> 
>  
> 
> And you can instantiate controls at will using container.addChild().
> 
>  
> 
> There are also RSLs and modules.
> 
>  
> 
> Mxml is just another way to write AS classes, use it if you like it.
> 
>  
> 
> There are lots of options.
> 
>  
> 
> Tracy
> 
>  
> 
> 
> 
> From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On
> Behalf Of gary_mangum
> Sent: Tuesday, May 29, 2007 6:30 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Defining a dynamic UI
> 
>  
> 
> Is it possible to "pre-define" a set of MXML components but not 
create
> them or add them to a Container in the application until a later 
time.
> In other words, I want to define some components, complete with
> properties, events, etc. that will not be part of my UI until I
> dynamically add them as the application runs. I will decide whether
> or not to add them based on runtime criteria.
> 
> I know that I can use states to add and remove components. If I use
> states, is there a way to define a component only once in MXML and
> then add it in 3-4 different states? I do not wish to define my
> component over and over inside of AddChild tags, and my components 
are
> not really specialized enough to warrant their own MXML files since
> there are many of them and the only real differences are their
> properties, events, etc.
> 
> I've also thought that I could manually define my components in AS 
and
> keep them in memory until needed, but would rather define them in 
MXML
> if possible. I would also like to create the components
> "just-in'time" instead of creating them up front when they may never
> be needed.
> 
> Anyway, thanks for any thoughts on this topic!
>

[flexcoders] Re: How do I expand a tree through Action Scripts

[Michael Labriola]

Hara,

Take a look at the expandChildrenOf () method of the tree class.

public function expandChildrenOf(item:Object, open:Boolean):void
Opens or closes all the tree items below the specified item. 

Parameters  item:Object — the starting item  
  
 open:Boolean — toggles an open or close operation  

--Mike

--- In flexcoders@yahoogroups.com, "haravallabhan" <[EMAIL PROTECTED]>
wrote:
>
> Hi,
> 
> How can I expand a tree dynamically r atleast when the application has 
> loaded.
> 
> Thanks
> Hara
>





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[flexcoders] Re: TextArea in Grid - too big

[Michael Labriola]

Precia,

Just need to ask the question, does it absolutely have to be a
TextArea?  The TextField class (and descendants) have an autoSize
property and more control over some of these aspects. 

--Mike

--- In flexcoders@yahoogroups.com, "app.developer" <[EMAIL PROTECTED]>
wrote:
>
> When creating a grid, I have textArea in the gridItems of the first 
> row for "headers".  If I don't give them a height they default to 
> 100%.  I need the textArea to default to the size of the text within 
> them or somehow get the text within the textArea to valign="bottom", 
> which I haven't been able to produce.  Anyone have any ideas?
> 
> I create a grid on the fly with AS.  The following is part of the 
> code creating the "headers" of the grid. 
> 
> //Create the Grid
> grid1 = new Grid();
> grid1.id = "griddy";
> grid1.y=35;
> grid1.percentWidth=100;
> grid1.setStyle("backgroundColor","0xf1c616");
> grid1.setStyle("verticalGap","1");
> grid1.setStyle("horizontalGap","1");
> addChild(grid1);
>   
> //Create the first Row with the Role labels
> grid1row = new GridRow();
> grid1row.id = "gRow";
> grid1row.percentWidth=100;
> grid1.addChild(grid1row);
>   
> //Create the first GridItem as a blank first cell
> grid1Item = new GridItem();
> grid1Item.id = "gItem0";
> grid1Item.setStyle("horizontalAlign","center");
> grid1row.addChild(grid1Item);
>   
> label1 = new TextArea();
> label1.name = "gLabel0";
> label1.width=90;
> label1.text = " "
> label1.alpha = 0;
> grid1Item.addChild(label1);
> 
> 
> //Loop through results,creating the headers to each column in the grid
> for ( var i:Number=0;i 
>   grid1Item = new GridItem();
>   grid1Item.id = "gItem"+i;
>   grid1Item.setStyle("horizontalAlign","center");
>   grid1Item.setStyle("verticalAlign","bottom");
>   grid1row.addChild(grid1Item);
>   
>   label1 = new TextArea();
>   label1.name = "gLabel"+i;
>   label1.alpha = 0;   
>   label1.width = 90;
>   if (event.result.list.source[i].roleName.length < 20){
>   label1.height = 35;
>   }else{
>   label1.height = 70;
>   }
>   label1.text = event.result.list.source[i].roleName
>   grid1Item.addChild(label1);
>   
> }
> 
> 
> 
> Thanks,
> Precia
>





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[flexcoders] Re: Adding rows to dataGrid programatically

[Michael Labriola]

I am not sure this is going to answer your question, but you could
clone one of the other rows and just change the contents. That way you
would not need to know specifically what the root tag of the
particular node is..

--Mike

--- In flexcoders@yahoogroups.com, "iko_knyphausen" <[EMAIL PROTECTED]> wrote:
>
> 
> Trying to add rows to a datagrid programmatically. Works ok using the
> dataProvider.addItem function, however it requires a named "row-node" -
> see below. I would like to make this more generic. Is there a way to do
> this without knowing each rows element name?
> 
>  private function addRow() : void
>  {
>   this.dg.dataProvider.addItem(XML(""));
>  }
> 
> 
> Thanks.
>





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[flexcoders] Re: using a linkbar with a viewstack... how can you indicate current selection

[Michael Labriola]

Hank,

If you are setting the dataProvider of the linkBar to the viewStack,
the LinkBar will indicate the selectedChild of the viewStack as a
disabled button on the bar.

The linkbar responds to the viewStack. When you say you are setting
the selectedIndex to 0, do you mean you are setting it on the
viewStack and the linkbar is not responding?

As far as the styles, the linkbar has a fair amount of style
customization all defined in the LinkBar help docs.

Mike

--- In flexcoders@yahoogroups.com, "hank williams" <[EMAIL PROTECTED]> wrote:
>
> a linkbar is a recommended way to control a viewstack. But I want to
> be able to show the user the currently selected view. I am not clear
> whether the linkbar is supposed to allow this. When I try to initially
> set the selectedIndex to 0 I get an error indicating that it is out of
> range.
> 
> I know I could use a tabBar, but I like the simple blocks of text
> without the "tabby" look and feel.
> 
> So I guess my question is, is it possible to use the linkbar where one
> item is, for example, a different color than the others, indicating
> that that is the currently selected item?
> 
> Hank
>





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[flexcoders] Re: Tree not updating with correct XML

[Michael Labriola]

Aaron,

Need to clarify something:

When you say : The XML is changes, do you mean that the XML data
retrieved from http://Path/To/XML.aspx changes or that you change the
XMl after loading at the client?

I don't want to answer the wrong question, but the 
mx:XML tag includes data at compile time, not runtime. So, the
application is going to grab a copy of this data when it compiles and
build it in.

If you are looking to grab data at runtime, you need to look at
something like an HTTP service tag to go and grab the data on command.

Let me know if this answers your question,
--Mike



--- In flexcoders@yahoogroups.com, "meathead" <[EMAIL PROTECTED]> wrote:
>
> Hi all,
> 
> I'm at a loss here.  I've got a tree set up to retrieve XML data.  
> It works fine until the data in the XML changes.  Then the tree 
> won't reflect the new data until my flex application is recompiled.  
> I believe when the application is being recomplied it's grabbing the 
> XML and setting it somehow.  Here is some code.  
> 
> CODE***
> 
> 
>   
>   
>   http://Path/To/XML.aspx"; id="TreeXML"/>
>   
>dataProvider="{myXLC}" labelField="@label" itemClick="treeClickEvent
> (event);" y="10">
>
> END OF CODE***
> I've also tried the above without the XMLListCollection and just 
> putting the TreeXML straight into the Tree object dataProvider.  The 
> afterComp function is called in the application createCompletion 
> event.  I've also tried with and without invalidateList.  
> 
> Basically, How can I get the Tree control to grab the latest and 
> greatest from the XML?  
> 
> Thanks,
> Aaron
>





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[flexcoders] Re: Installing FDS As Win2003 WebService

[Michael Labriola]

Check out fireDaemon, it is handy for this type of situation:

http://www.firedaemon.com/

It will let you run the command line integrated jrun fds as a service.

--Mike

--- In flexcoders@yahoogroups.com, "Shannon Hicks" <[EMAIL PROTECTED]> wrote:
>
> But there's no version of JRun that is free, and for a production
> environment, correct?
>  
> It kind of defeats the purpose of FDS Express... a free, limited
production
> license that requires you to buy a JRun license?
>  
> Hopefully I'm mis-understanding, and you'll point me to some
FDS-specific,
> production version of JRun:)
>  
> Shan
> 
>_  
> 
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of Cathy Reilly
> Sent: Wednesday, November 01, 2006 8:38 AM
> To: flexcoders@yahoogroups.com
> Subject: RE: [flexcoders] Installing FDS As Win2003 WebService
> 
> 
> 
> 
> The development version of JRun included with FDS does not include the
> Windows Service functionality.  If you require this functionality,
you may
> download JRun from the Adobe web site and deploy the FDS wars.
>  
> - Cathy
> 
>_  
> 
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Shannon Hicks
> Sent: Tuesday, October 31, 2006 4:36 PM
> To: [EMAIL PROTECTED]
> Subject: RE: [flexcoders] Installing FDS As Win2003 WebService
> 
> 
> 
> 
> I wasn't able to get jrunsvc to work with what came with FDS 2
Express, so I
> ended up installing Tomcat instead. It took awhile to figure out, having
> never used Tomcat before, but I pieced together the install process
form a
> few different resources, and put it in one handy step-by-step guide:
>  
> HYPERLINK
>
"http://www.webapper.net/index.cfm/2006/10/31/Installing-Flex-Data-Services-
>
2-Express-on-Tomcat-for-Dummies"http://www.webapper-.net/index.-cfm/2006/-10
> /31/Installing--Flex-Data--Services--2-Express--on-Tomcat--for-Dummies
>  
> Shan
> 
>_  
> 
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of João Fernandes
> Sent: Monday, October 02, 2006 7:27 AM
> To: [EMAIL PROTECTED]
> Subject: [Junk E-Mail - LOW] RE: [flexcoders] Installing FDS As Win2003
> WebService
> 
> 
> 
> 
> What is your server called? 
> 
> If your java server instance is called fds and located inside
> drive:\{jrun.-home}\servers\ run the command from the bin folder
> drive:\{jrun.-home}\bin :
> 
> jrunsvc -install fds "Flex Data Service" "Flex Data Service" 
> 
> João Fernandes
> 
>_  
> 
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Francois Dejardin
> Sent: segunda-feira, 2 de Outubro de 2006 12:51
> To: [EMAIL PROTECTED]
> Subject: [flexcoders] Installing FDS As Win2003 WebService
> 
> Hi all,
> 
> I'm trying to install fds as service on Win2003.. i've read that it was 
> possible with jrunsvc but it doesn't work with the following command 
> line : 
> jrunsvc.exe -install jrun-server "Flex data service" "Flex Data Service"
> 
> (I find the jrunsvc from Coldfusion installation directory)
> 
> Is it something wrong ? 
> 
> regards
> 
> 
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.407 / Virus Database: 268.12.11/460 - Release Date:
10/1/2006
> 
> 
> 
> --
> No virus found in this outgoing message.
> Checked by AVG Free Edition.
> 
> 
> 
>  
> 
> 
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> 
> 
> 
> 
> -- 
> No virus found in this outgoing message.
> Checked by AVG Free Edition.
>





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[flexcoders] Re: Isn´t there any release of Adobe Apollo yet? Alpha maybe....

[Michael Labriola]

1) HTML as a DisplayObject
2) Getting rid of the browser where people believe the back button is
there only source of navigation
3) Generating desktop apps with all of the framework we have written
for flex :)

--Mike



> 
> Just wondering, since I'm working on it... what features of Apollo
are people most excited about?
> 
>  
> 
> - Gordon
> 
>  
> 
> 
> 
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On Behalf Of Andrew D. Goodfellow
> Sent: Tuesday, October 31, 2006 6:15 AM
> To: flexcoders@yahoogroups.com
> Subject: Re: [flexcoders] Isn´t there any release of Adobe Apollo
yet? Alpha maybe
> 
>  
> 
> Yep, I know how you feel. The suspense is brutal. I could have
already built and sold like 8 products built on it.
> 
> There are probably too many holes in it still, or at least that's
what I keep telling myself. :o)
> 
> -Andy
> 
> On 10/31/06, arianrechia <[EMAIL PROTECTED]  >
wrote:
> 
> Hi people,
> I´m very exciting about Adobe Apollo, and I´ve been looking for some
> download to try the Apollo SDK, but with no success =(
> 
> anyone already have a apollo alpha realease??
> 
> thanxs
>





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[flexcoders] Re: e4x expression passed as string

[Michael Labriola]

Diego,

Stay tuned. I will post my version of the UI as soon as it is complete.

Mike

--- In flexcoders@yahoogroups.com, "Diego Guebel"
<[EMAIL PROTECTED]> wrote:
>
> Hi Mike,
> Many thanks, that was exactly what I was looking for.
> I didnt have the chance to see the code but I did some test and it
seems  
> to be working fine. At least it returns what it is expected.
> I have in mind to build some user interface to evaluate e4x
expression,  
> I'll back to the list as soon as I have something to show.
> 
> BTW did Alex post anything regarding this topic in his blog?
> 
> Cheers, Diego.
> 
> 
> On Tue, 31 Oct 2006 16:47:11 +1300, Michael Labriola <[EMAIL PROTECTED]>  
> wrote:
> 
> >
> > Diego,
> >
> > Here is a starting point. There are probably bugs, it is bloated,
> > and it is not completely tested, however, it is a starting point.
> >
> > A final version of this, along with some actual example code, error
> > handling and other dynamic tools will eventually be available in a
> > devnet article.
> >
> > Used as follows:
> >
> > import net.digitalprimates.utils.E4XParser;
> > var parser:E4XParser;
> > parser = new E4XParser();
> >
> > var returnXML:XMLList;
> > //Use parser.evaluate( data:XML, expression:String );
> > returnXML = parser.evaluate( myXML, '..item.(@id==2)..price' );
> >
> > If you find a bug, let me know off list.
> >
> > BTW, thanks on this and future releases also go to Alex Harui who
> > started this pet project before I. (Although none of the blame for
> > the bad code that currently permeates it)
> >
> > http://www.digitalprimates.net/src/e4x.zip
> >
> > --Mike
> >
> >
> > --- In flexcoders@yahoogroups.com, "Diego Guebel"
> >  wrote:
> >>
> >> Hi all,
> >> I'm wondering if there is any method to "apply" an e4x expression
> > passed
> >> as a string to an xml.
> >> For example I have this variable:
> >> private var sourceXML:XML = 
> >>  
> >>  Baking Extravagant Pastries with
> > Kumquats
> >>  
> >>  Contino
> >>  Chuck
> >>  
> >>  238
> >>  
> >>  
> >>  Emu Care and Breeding
> >>  
> >>  Case
> >>  Justin
> >>  
> >>  115
> >>  
> >>  
> >>
> >> and a method like this:
> >>
> >> private  function testExpression(s:String):void
> >> {
> >>// somehow, I want to apply that string as e4x expression to
> > the xml
> >>result_txt.text = sourceXML.apply(s);
> >> }
> >>
> >> Any clue?
> >> Thanks in advance.
> >> Diego.
> >>
> >
> >
> >
> >
> >
> > --
> > Flexcoders Mailing List
> > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
> > Search Archives:
http://www.mail-archive.com/flexcoders%40yahoogroups.com
> > Yahoo! Groups Links
> >
> >
> >
>





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[flexcoders] Re: filterFunction between ViewStack MXML components

[Michael Labriola]

If you have a moment, send me the code off the list ..
[EMAIL PROTECTED] and I will be glad to work with you to get this running.

--Mike

--- In flexcoders@yahoogroups.com, "pioplacz" <[EMAIL PROTECTED]> wrote:
>
> Still not working it says it cannot "connect" to the filterInput and
genresInput and those 
> two are located in MovieView.mxml
> 
> 
> --- In flexcoders@yahoogroups.com, "Michael Labriola"  wrote:
> >
> > 
> > In your result handler, call the refresh method after you set the
> > filterFunction.
> > 
> > --Mike
> > 
> > --- In flexcoders@yahoogroups.com, "pioplacz"  wrote:
> > >
> > > Yes, i want to put my filter function in the main mxml file where
> > all my HTTPServices are 
> > > locates. I have already apply my filterfunction in the result
> > handler in the HTTPService the 
> > > problem is that i cannot get it to connect with the textinput
> > located in a MXML ViewStack 
> > > component. 
> > > 
> > > I pass my code here for both Main.MXML and MovieView.MXML. 
> > > 
> > > Hopes this help you all to help me.
> > > 
> > > Main.MXML:
> > > 
> > > 
> > > http://www.adobe.com/2006/mxml"; xmlns="*" 
> > > layout="absolute"
> > >   horizontalAlign="center" verticalAlign="middle" 
> > > backgroundGradientColors="[#00, #00]" 
> > >   width="100%" height="100%"  creationComplete="initApp()" 
> > > viewSourceURL="srcview/index.html" >
> > >   
> > >> url="http://192.168.25.200/PHP/katalog.php"; 
> > > useProxy="false"
> > >  result="srv_results(event)" fault="msFaultHandler(event);"
> > invoke="msInvokeHandler
> > > (event);"/>
> > > 
> > >  > url="http://192.168.25.200/PHP/tvshows.php"; 
> > > useProxy="false" result="tv_results(event)"/>
> > >  > url="http://192.168.25.200/PHP/tvepisodes.php"; 
> > > useProxy="false" result="ep_results(event)"/>
> > > 
> > > 
> > >   
> > > 
> > >   
> > > 
> > >  > horizontalCenter="0" 
> > > top="0">
> > >  > creationPolicy="all">
> > >   
> > >  > movieCollection="{movieCollection}" 
> > > movieFilter="movieFilter"/>
> > >   
> > >   
> > >> horizontalCenter="0" 
> > > bottom="0">
> > >> > id="questionCanvas" 
> > > horizontalCenter="0" top="0" >
> > >> > horizontalCenter="0" top="0"/>
> > >> > autoLoad="true" 
> > > horizontalCenter="-99" bottom="134"
> > click="mainViewStack.selectedChild=mView;"/>
> > >> > horizontalCenter="98" bottom="134"
> > click="mainViewStack.selectedChild=tvView;"/>
> > >   
> > >> width="100%" height="40">
> > >> paddingTop="5">
> > >   
> > >   
> > >   
> > >> > autoLoad="true"
> > height="16" 
> > > verticalAlign="middle" scaleContent="false" id="image1"/>
> > >> > fontWeight="bold" fontSize="12" fontFamily="Arial" textAlign="right"
> > id="text1"/>
> > >   
> > >   
> > >   
> > >   
> > >   
> > >   
> > > 
> > > 
> > >> > tvCollection="{tvCollection}"/>
> > >   
> > >   
> > > 
> > >   
> > >   
> > > 
> > > 

[flexcoders] Re: Training from the Source - Can't find my error

[Michael Labriola]

Glad you are enjoying it.

We have occasionally seen the same thing. The flex compiler seems to
get confused with the inline renderer and the valueObject.

This line is the cause:

outerDocument.removeItem(valueObjects.ShoppingCartItem(data));

You can literally go an modify this line by adding a space before the
word valueObject. Then remove the space and all will work next time
your compile. 

It doesn't happen everytime on every computer. If it becomes
problematic, just remove the entire click event from the delete in the
shopping cart. My guess is that by this point in the book, you
understand how that is supposed to work.

--Mike

--- In flexcoders@yahoogroups.com, "Todd Breiholz" <[EMAIL PROTECTED]> wrote:
>
> I am working through the Adobe Flex 2 - Training from the Source book.
> (Excellent book, BTW). I am in chapter 11 on the section "Create an
> inline MXML Item Renderer for Displaying the Remove Button". I can't
> get beyond this section, because my code won't compile with the
> following error:
> 
> 1120: Access of undefined property
> valueObjects. FlexGrocer/views/ecomm  Cart.mxml
/FlexGrocer/views/ecomm/Cart.mxml   1162264545587   243
> 
> Here's my data grid:
> 
>  id="cartView"
>   dataProvider="{cart.aItems}" width="100%" height="100%"
>   editable="true" draggableColumns="false"
>   variableRowHeight="true">
>   
>headerText="Product"
>   itemRenderer="renderer.ecomm.ProductName" 
> editable="false"/>
>  itemEditor="mx.controls.NumericStepper"
>   editorDataField="value" editable="true" 
> headerText="Quantity" />
>headerText="Amount"
> labelFunction="renderPriceLabel" editable="false" />
>   
>   
>   
>   
>  label="Remove"
>   
click="outerDocument.removeItem(valueObjects.ShoppingCartItem(data));"/>
>   
>   
>   
>   
>   
>   
> 
> It's choking on the click event of the inner Button component.
> 
> I've even copied the code from the CD into my project but I get the
same error.
> 
> Anyone see what I'm doing wrong?
> 
> Thanks!
> 
> Todd
>





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[flexcoders] Re: Custom datagridcolumns

[Michael Labriola]

Rick,

Just one more comment on your labelFunction versus subclass of
DataGridColumn. There are times to subclass, but, what you are doing
here really seems like a good argument for a labelFunction.

You don't have to build a function for every column, so, if you
rewrote your labelFunction like this:





public function formatLegalCredit(data:Object, column:DataGridColumn
):String {
  return currency.format(data[ column.dataField ]);
}

You would now have one function that would format any dataGrid column
because it uses the dataField to know where to grab the data. Does
this make sense?

--Mike


--- In flexcoders@yahoogroups.com, Rick Root <[EMAIL PROTECTED]> wrote:
>
> ping...
> 
> Rick Root wrote:
> > 
> > 
> > I'm working on a datagrid that has various formatted items in it..
> > several currency columns, a data column, etc.
> > 
> > Using a label function for each seems somewhat overkill.
> > 
> > Ie...
> > 
> >  > labelFunction="formatLegalCredit"/>
> > 
> > And here's my function:
> > 
> > public function formatLegalCredit(data, col):String {
> > var currency = new CurrencyFormatter();
> > currency.precision = 2;
> > currency.rounding = "nearest";
> > return currency.format(data.LEGCRAMT);
> > }
> > 
> > But I'd have to build this function for every column with a number in
> > it. Bleagh. Gotta be a better way.
> > 
> > Can I build a datagridcolumn that automatically has a
currencyFormatter
> > - or a dataFormatter - built into it?
> > 
> > Is there a better way?
> > 
> > Rick
> > 
> >
>





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[flexcoders] Re: filterFunction between ViewStack MXML components

[Michael Labriola]

>   
>   
>   
>   
> 
>   
> 
>
>   
>   
>
> 
> 
> 
>  
>   
> 
>   
> 
> 
> 
> 
>   
>   
>duration="1500"/>
>duration="1000"/>
>   
> 
> 
> 
> 
> 
> 
> 
>dataProvider="{movieCollection}" 
>   horizontalScrollPolicy="off" borderStyle="none" top="19" 
>   doubleClickEnabled="true" 
> itemDoubleClick="dgTileListClick(event);" 
> allowMultipleSelection="false" horizontalCenter="0"/>
>   
>   
> 
>  verticalAlign="middle" scaleContent="false"/>
>  width="166" toolTip="Skriv.."/>
> 
>  verticalAlign="middle" scaleContent="false"/>
>  fontWeight="bold" textAlign="left" selectable="false"/>
>enabled="true" 
> color="#ff" change="movieCollection.refresh();"/>
> 
>  paddingTop="5">
>  height="100%" verticalAlign="middle" scaleContent="false" id="image2"/>
>  click="currentState='Grid'"/>
>  verticalAlign="middle" scaleContent="false" id="image3"/>
>  color="#ff" fontWeight="bold" textAlign="left" width="30"
height="20" 
> selectable="false" toolTip="Antal filmer som visas"/>
>   
>   
> 
>   
>   
>   
>fontSize="12" fontFamily="Arial" textAlign="right" id="text1"/>
>verticalAlign="middle" scaleContent="false" id="image1"/>
>textAlign="left" toolTip="Klicka här om du befinner dig utanför hemmet" 
> id="linkbutton1"/>
>   
>   
> 
> 
> 
> --- In flexcoders@yahoogroups.com, "Michael Labriola"  wrote:
> >
> > 
> > If I understand your question correctly (and I am not sure that I do),
> > I would personally put your filter function in the file that currently
> > calls the HTTPService and gets the result. Unless you are using one of
> > the, or your own, common frameworks, most people seem to put this in
> > their main application file. 
> > 
> > Depending a lot on how your code is constructed, you can probably
> > apply this filter function in the result handler for your
HTTPService.  
> > 
> > If I am missing the point, or your setup is more complex, let me know.
> > 
> > As an aside, please take a look at the refresh method of the
> > ListCollectionView. If you are not actually replacing the whole
> > collection, you could use this to simply apply the filter.
> > 
> > --Mike
> > 
> > --- In flexcoders@yahoogroups.com, "pioplacz"  wrote:
> > >
> > > Hi! 
> > > 
> > > I was just wondering is it possible to make a filterfunction work
> > between ViewStack 
> > > components. What i mean is i'm calling the HTTP service in my
> > main.mxml but showing 
> > > the results in MovieView.mxml passing the data works fine. But i
> > can't figure out where i 
> > > should write the filter function:
> > > 
> > >   // Filter function 
> > >   public function movieFilter(item:Object):Boolean
> > >   {
> > >   var result:Boolean=false;
> > >   if (!item.title.length
> > > ||
> > item.title.toUpperCase().indexOf(filterInput.text.toUpperCase()) >= 0)
> > > if (!item.genres.length
> > > ||
> >
item.genres.toUpperCase().indexOf(genresInput.selectedItem.data.toUpperCase
> > > ()) >= 0)
> > >   result=true;
> > > 
> > >   return result;
> > >}
> > > 
> > > and where i should put:
> > > 
> > > movieCollection.filterFunction=movieFilter;
> > > 
> > > From the beginning i had all that in my Main.mxml and it worked
> > fine. Can somebody help 
> > > me, if you even get what i mean ?
> > >
> >
>





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[flexcoders] Re: Filtering a Datagrid

[Michael Labriola]

Rick,

Check out the filter capabilities of the list collections. Basically,
the dataProvider of the datagrid can be filtered as you requested.

--Mike

--- In flexcoders@yahoogroups.com, Rick Root <[EMAIL PROTECTED]> wrote:
>
> Let's say I've got a datagrid containing a persons gifts to the 
> University.  Each item has a gift id, pledge id, legal and soft credit 
> amounts, a fund code to which the gift is being credited, etc.
> 
> By default, the grid loads all of a persons gifts.
> 
> I'd like to be able to filter the data by fund - A simple way is to
just 
> use the sort functionality of the columns themselves, and then just 
> havee them scroll down to find what they're looking for.
> 
> But is there a simple way to filter the contents of a datagrid without 
> going back to the server to re-retrieve the results?
> 
> I could probably put the dataProvider into memory, then loop through
it, 
> creating a "filtered" dataprovider and assign it to the grid..  but I'm 
> kind of hoping for a simpler solution :)
> 
> rick
>





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[flexcoders] Re: e4x expression passed as string

[Michael Labriola]

Diego,

Here is a starting point. There are probably bugs, it is bloated, 
and it is not completely tested, however, it is a starting point.

A final version of this, along with some actual example code, error 
handling and other dynamic tools will eventually be available in a 
devnet article. 

Used as follows:

import net.digitalprimates.utils.E4XParser;
var parser:E4XParser;
parser = new E4XParser();

var returnXML:XMLList;
//Use parser.evaluate( data:XML, expression:String );
returnXML = parser.evaluate( myXML, '..item.(@id==2)..price' );

If you find a bug, let me know off list. 

BTW, thanks on this and future releases also go to Alex Harui who 
started this pet project before I. (Although none of the blame for 
the bad code that currently permeates it)

http://www.digitalprimates.net/src/e4x.zip

--Mike


--- In flexcoders@yahoogroups.com, "Diego Guebel" 
<[EMAIL PROTECTED]> wrote:
>
> Hi all,
> I'm wondering if there is any method to "apply" an e4x expression 
passed  
> as a string to an xml.
> For example I have this variable:
> private var sourceXML:XML = 
>  
>  Baking Extravagant Pastries with 
Kumquats
>  
>  Contino
>  Chuck
>  
>  238
>  
>  
>  Emu Care and Breeding
>  
>  Case
>  Justin
>  
>  115
>  
>  
> 
> and a method like this:
> 
> private  function testExpression(s:String):void
> {
>   // somehow, I want to apply that string as e4x expression to 
the xml
>   result_txt.text = sourceXML.apply(s);
> }
> 
> Any clue?
> Thanks in advance.
> Diego.
>





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[flexcoders] Re: ViewStack.addChild() / createChild()

[Michael Labriola]

Libby,

Like this:

var newClass:DisplayObject = new MyClassToAdd();
var newChild:DisplayObject = viewStack.addChild(newClass);

--Mike


--- In flexcoders@yahoogroups.com, "Libby" <[EMAIL PROTECTED]> wrote:
>
> Hello
> In 1.5 I was adding complex components to a viewstack by doing
> addChild(nameOfMXMLObject). This of course does not work in Flex 2.0.
> I have been trying unsuccessfully to do
> viewStack.createChild(nameOfMXMLObject). Should this be working or
> what is the "correct" method to dynamically add children to a
> viewstack in 2.0?
> 
> Thanks,
> Libby
>





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[flexcoders] Re: filterFunction between ViewStack MXML components

[Michael Labriola]

If I understand your question correctly (and I am not sure that I do),
I would personally put your filter function in the file that currently
calls the HTTPService and gets the result. Unless you are using one of
the, or your own, common frameworks, most people seem to put this in
their main application file. 

Depending a lot on how your code is constructed, you can probably
apply this filter function in the result handler for your HTTPService.  

If I am missing the point, or your setup is more complex, let me know.

As an aside, please take a look at the refresh method of the
ListCollectionView. If you are not actually replacing the whole
collection, you could use this to simply apply the filter.

--Mike

--- In flexcoders@yahoogroups.com, "pioplacz" <[EMAIL PROTECTED]> wrote:
>
> Hi! 
> 
> I was just wondering is it possible to make a filterfunction work
between ViewStack 
> components. What i mean is i'm calling the HTTP service in my
main.mxml but showing 
> the results in MovieView.mxml passing the data works fine. But i
can't figure out where i 
> should write the filter function:
> 
>   // Filter function 
>   public function movieFilter(item:Object):Boolean
>   {
>   var result:Boolean=false;
>   if (!item.title.length
> ||
item.title.toUpperCase().indexOf(filterInput.text.toUpperCase()) >= 0)
> if (!item.genres.length
> ||
item.genres.toUpperCase().indexOf(genresInput.selectedItem.data.toUpperCase
> ()) >= 0)
>   result=true;
> 
>   return result;
>}
> 
> and where i should put:
> 
> movieCollection.filterFunction=movieFilter;
> 
> From the beginning i had all that in my Main.mxml and it worked
fine. Can somebody help 
> me, if you even get what i mean ?
>





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[flexcoders] Re: A web survey based on Flex

[Michael Labriola]

Okay, so a few things. A Shared Object can store things that are more
complicated than name value pairs. In fact, it can store complex data
structures, but not things like methods or typed value objects.

That said: You could store your data in a value object in the
application. That value object could be written to disk in a shared
object. 

Then you could load that shared object later and convert it back to a
value object using something like :

http://www.darronschall.com/weblog/archives/000247.cfm - by Darron Schall

If this doesn't make sense, email me off the list and I will be glad
to help walk you through it.

--Mike


--- In flexcoders@yahoogroups.com, "advantexllc" <[EMAIL PROTECTED]>
wrote:
>
> --- In flexcoders@yahoogroups.com, "Michael Labriola"  
> wrote:
> >
> > 
> > Overall it is not a bad way to proceed. The only place I might 
> direct
> > you some place different is where you save to the local drive if the
> > server is unavailable.
> > 
> > For this part, I would suggest you take a look at a concept called
> > 'Local Shared Objects'
> > 
> > Without knowing all of the details of your setup, I would suggest 
> that
> > saving an XML file to their system without the help of a server is
> > going to be tricky if not impossible.
> > 
> > --Mike
> > 
> 
> Thanks Mike... I did a bunch of Googling on "Local Shared Objects", 
> and I think I understand a little bit better now what I might do.  
> However, it sounds like this 100% replaces the mxml file that I had 
> created that was to represent my survey object... is that correct?  
> Essentially I'll just be creating this empty object with it's own 
> name, and stuffing key-value pairs into it upon each submit of a 
> ViewStack Canvas?
> 
> After storing all that in this generic empty object, how do I get it 
> to the server for proper storage in a database, and what would be the 
> best way to split out the data for later analysis?
> 
> I really need some help here - I think I'm really missing something 
> important, and I'm getting desperate to deliver this survey soon... 
> any help or direct contact with me would be fantastic, if someone's 
> willing to help out a newbie.
> 
> Thanks,
> 
> m
>





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[flexcoders] Re: JUST SAY NO to creationPolicy="all" !

[Michael Labriola]

Thank you. Thank you. Thank you.

--- In flexcoders@yahoogroups.com, "Gordon Smith" <[EMAIL PROTECTED]> wrote:
>
> 
> 
>  
> 
> Several times a week someone complains that they can't seem to set data
> into controls on the second, third, etc. pane of a ViewStack, Accordion,
> or TabNavigator because these controls don't get created until the user
> navigates to the pane they're on.
> 
>  
> 
> Inevitably there are multiple replies "solving" this problem by setting
> creationPolicy="all". Inevitably I reply that Adobe doesn't recommend
> doing this because it defeats the entire purpose of the deferred
> instantiation feature, which is to minimize startup time by not creating
> visual components until they need to be seen.
> 
>  
> 
> A much better technique is to use event handlers to get the appropriate
> data into the controls after they get created. For example, you can use
> the 'initialize' event on each pane, which won't get dispatched until
> after that pane's controls exist.
> 
>  
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>  
> 
> Using databinding is another good technique. The bindings will occur
> after the controls get created.
> 
>  
> 
> I've never seen a case where it is necessary to push data into the
> controls before they exist. If you must put the data somewhere in the
> meantime, store it in data vars, which have none of the startup cost of
> a visual component, and then move it into the controls after they get
> created.
> 
>  
> 
> 
> 
>  
> 
> - Gordon, the Flex framework engineer who designed and implemented the
> deferred instantiation feature, so listen to me on this one!
>





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[flexcoders] Re: Accordion initialization problem

[Michael Labriola]

In flex, children are generally not created until they are actually
needed, which generally translates to: when they are displayed on the
screen. This keeps startup time and memory use down as, on average,
most users do not navigate to every corner of an app.

As suggested, you could set the creationPolicy to all, which would
cause all of the children to be created in that container on startup,
altough your app will startup slightly slower.

Understanding the creation order, combined with some testing, for example:

if ( foo ) {
  Alert.show(foo.text, 'test', Alert.OK);
}

will get you through without changing the creationPolicy.

--Mike

--- In flexcoders@yahoogroups.com, "joshuajnoble" <[EMAIL PROTECTED]> wrote:
>
> 
> You're right. The children aren't being created until they're added to
> the display list. Set your creationPolicy on the Accordion to 'all' to
> create them all as soon as the accordion is created.
> 
> --- In flexcoders@yahoogroups.com, Rick Root  wrote:
> >
> > I'm building an application with an accordion pane, and I'm having 
> > problems accessing objects declared within a child panel.
> > 
> > For example, look at the code I've attached to the end of this
email...
> > 
> > When you click any of the buttons, you get the following error:
> > 
> > TypeError: Error #1009: Cannot access a property or method of a null 
> > object reference.
> > at testProject/::toggleAccordion()
> > at testProject/___Button1_click()
> > 
> > 
> > ONLY AFTER VIEWING the second accordion pane does this go away.
> > 
> > It's as if the children of the accordion pane aren't initialized
until 
> > they are displayed.
> > 
> > What's up with that?
> > 
> > Here's the sample code:
> > 
> > 
> > http://www.adobe.com/2006/mxml";
> layout="absolute">
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> >  click="toggleAccordion(3);"/> 
> > 
> > 
> > rick
> >
>





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[flexcoders] Re: Use a Popup as itemEditor in Datagrids

[Michael Labriola]

My first thought:

I would probably write a simple component that serves as an 
itemRenderer. From within that component I would be to launch a 
modal popup window from the itemEditBeginning event. Ensure that you 
pass the row and the dataGridColumn (much like a labelFunction) to 
the new popup. Have it do whatever it is that needs to be done.

Then listen for the popup to close and manually handle the update to 
the collection through the renderer by listening to itemEditEnd.

This is just a high level thought. There are some other details, but 
the concept would probably work with a bit of tweaking.

--mike

--- In flexcoders@yahoogroups.com, "fritzdimmel" <[EMAIL PROTECTED]> 
wrote:
>
> Hi!
> I'm searching for a solution, to use e.g. a popup-window as 
itemEditor
> in a flex datagrid. Using a Textinput, NumericStepper, 
Checkbox, ...
> is quite easy, but I want to have a little "bigger" (in size)
> component. Now I have the problem that, when I use a custom Panel
> component as itemEditor, that it will be trapped within the 
datagrid's
> dimensions.
> 
> Is there another way (which I haven't found by now) to use a popup 
as
> datagrid item editor?
> 
> Thanks!
> Fritz
>





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[flexcoders] Re: Changing mx:Application's width during runtime

[Michael Labriola]

I know this is not actually the answer to the question, however, is it
necessary to specifically set the width and height to literals, or
could they just be set to 100%?

--Mike

--- In flexcoders@yahoogroups.com, "pilby1" <[EMAIL PROTECTED]> wrote:
>
> When I run my application where mx:Application's width is 640x480, by 
> default, it shows a gradient blue square depicting those screen 
> dimensions.
> 
> I then try to dynamically change the width to 1024 in actionscript when 
> a button is clicked. I had "trace"'d the application width after 
> changing it, and it does say the width is now 1024, but the screen 
> still shows 640x480. How can I make the application refresh to reflect 
> this new change in width? I tried invalidateSize(), 
> invalidateProperties, but neither works.
> 
> Thanks.
>





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[flexcoders] Re: Convert Object to a Value Object

[Michael Labriola]

nicely done

--- In flexcoders@yahoogroups.com, "Darron J. Schall" <[EMAIL PROTECTED]> wrote:
>
> Interesting, Yahoo garbled most of the content of that message.  Here's 
> what I actually sent:
> 
> For those having trouble converting generic objects into class
instances 
> (Value Objects), I've created an ObjectTranslator.objectToInstance 
> method to take care of the problem: 
> http://www.darronschall.com/weblog/archives/000247.cfm
> 
> Essentially, it allows you to convert any plain old object into a class 
> instance.  Usage is as follows:
> 
> import com.darronschall.examples.vo.Book;
> import com.darronschall.serialization.ObjectTranslator;
> 
> // Define an object with properties that mimic the variable names
> // inside of the Book class
> var bookObj:Object = { title: "My Book title", pageCount: 10,
inLibrary: true };
> 
> // Convert the generic object into an instance of the Book class
> var book:Book = ObjectTranslator.objectToInstance( bookObj, Book )
as Book;
> 
> 
> Originally it was written so that JSON behaved more like RemoteObject 
> (returning class instances from the server instead of just plain 
> objects), but the method is generic enough to be useful in a lot of 
> situations.
> 
> Hope that helps...
> 
> -d
> 
> Darron J. Schall wrote:
> >
> > Originally it was written so that JSON behaved more like RemoteObject 
> > (returning class instances from the server instead of just plain 
> > objects), but the method is generic enough to be useful in a lot of 
> > situations.
> >
> > Hope that helps...
> >
> > -d
> >
> > mvbaffa wrote:
> >
> >>
> >> - Type Coercion failed: cannot convert [EMAIL PROTECTED] to
> >> com.mvb.boe.vo.UserAccountVO.
> >>
> >
> >
>





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[flexcoders] Re: Data in ViewStack Component

[Michael Labriola]

Okay,

So, a few things:

#1) your TvView component must have either a property or a
getter/setter method to hold the data from the collection. So, for
example, you might have a bindable public property inside of TvView
called 

[Bindable]
var myDataProvider:ArrayCollection;

Then inside of the TvView component, your horizontal list would use
this variable as its dataprovider.

So



Then, inside of the MXML file that you posted, your TvView component
would be called like this:


   


Does that make sense?
Mike


--- In flexcoders@yahoogroups.com, "pioplacz" <[EMAIL PROTECTED]> wrote:
>
> If you look at my ViewStack code i have a component name TvView.
That is a MXML file 
> with a horizontalList and for that list i wan the epCollection to be
a dataprovider. With 
> simpel words what i'm trying to do is to make epCollection result to
work in a diffrent 
> MXML file. 
> 
> Is is a better explenation? 
> --- In flexcoders@yahoogroups.com, "Michael Labriola"  wrote:
> >
> > 
> > Can you explain more about what you are trying to do?
> > 
> > I see that you have 3 arrayCollections.
> > 
> > Only 1 of them seems to be used in the code, and, in that one, you are
> > only using the length property.
> > 
> > Please provide details about what you are trying to accomplish.
> > 
> > Thanks,
> > --Mike
> > 
> > --- In flexcoders@yahoogroups.com, "pioplacz"  wrote:
> > >
> > > I have a question about how to bind data in a viewstack component.
> > How can i make my 
> > > ArrayCollection to work in the viewstack component? 
> > > 
> > > Here is my code...
> > > 
> > > 
> > > http://www.adobe.com/2006/mxml";
> > layout="absolute"
> > >   horizontalAlign="center" verticalAlign="middle" 
> > > backgroundGradientColors="[#00, #00]" 
> > >   width="100%" height="100%"  creationComplete="initApp()" 
> > > viewSourceURL="srcview/index.html" xmlns="*">
> > >> url="http://192.168.25.200/PHP/katalog.php"; 
> > > useProxy="false"
> > >  result="srv_results(event)"/>
> > > 
> > >  > url="http://192.168.25.200/PHP/tvshows.php"; 
> > > useProxy="false" result="tv_results(event)"/>
> > >  > url="http://192.168.25.200/PHP/tvepisodes.php"; 
> > > useProxy="false" result="ep_results(event)"/>
> > > 
> > > 
> > >   
> > > 
> > >   
> > > 
> > >  > id="mainVbox" 
> > > horizontalCenter="0" horizontalAlign="center"
verticalAlign="middle">
> > > 
> > >
> > >   
> > >> > width="100%">
> > >  > paddingTop="5">
> > >  > height="100%" 
> > > verticalAlign="middle" scaleContent="false"/>
> > >  > change="movieCollection.refresh();" 
> > > width="166" toolTip="Skriv.."/>
> > > 
> > >  > autoLoad="true" height="100%" 
> > > verticalAlign="middle" scaleContent="false"/>
> > >  > fontFamily="Arial" 
> > > fontWeight="bold" textAlign="left" selectable="false"/>
> > > 
> > >  > > paddingTop="5">
> > >  > autoLoad="true" 
> > > height="100%" verticalAlign="middle" scaleContent="false"
id="image2"/>
> > >  > textAlign="left" width="69" 
> > > click="currentState='Grid'"/>
> > >  > height="100%" 
> > > verticalAlign="middle" scaleContent="false" id="image3"/>
> > >  > text="{movieCollection.length}" paddingTop="2" 
> > > color="#ff" fontWeight="bold" textAlign="left" width="30"
> > height="20" 
> > > selectable="false" toolTip="Antal filmer som visas"/>
> > >   
> > > 
> > > 
> > >   
> > >   
> > >   
> > >> fontWeight="bold" 
> > > fontSize="12" fontFamily="Arial" textAlign="right" id="text1"/>
> > >> height="100%" 
> > > verticalAlign="middle" scaleContent="false" id="image1"/>
> > >   
> > > 
> > >   
> > >   
> > > 
> > >
> >
>





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[flexcoders] Re: Data in ViewStack Component

[Michael Labriola]

Can you explain more about what you are trying to do?

I see that you have 3 arrayCollections.

Only 1 of them seems to be used in the code, and, in that one, you are
only using the length property.

Please provide details about what you are trying to accomplish.

Thanks,
--Mike

--- In flexcoders@yahoogroups.com, "pioplacz" <[EMAIL PROTECTED]> wrote:
>
> I have a question about how to bind data in a viewstack component.
How can i make my 
> ArrayCollection to work in the viewstack component? 
> 
> Here is my code...
> 
> 
> http://www.adobe.com/2006/mxml";
layout="absolute"
>   horizontalAlign="center" verticalAlign="middle" 
> backgroundGradientColors="[#00, #00]" 
>   width="100%" height="100%"  creationComplete="initApp()" 
> viewSourceURL="srcview/index.html" xmlns="*">
>   http://192.168.25.200/PHP/katalog.php"; 
> useProxy="false"
>  result="srv_results(event)"/>
> 
> http://192.168.25.200/PHP/tvshows.php"; 
> useProxy="false" result="tv_results(event)"/>
> http://192.168.25.200/PHP/tvepisodes.php"; 
> useProxy="false" result="ep_results(event)"/>
> 
> 
>   
> 
>   
> 
>  horizontalCenter="0" horizontalAlign="center" verticalAlign="middle">
> 
>
>   
>width="100%">
> 
>  verticalAlign="middle" scaleContent="false"/>
>  width="166" toolTip="Skriv.."/>
> 
>  verticalAlign="middle" scaleContent="false"/>
>  fontWeight="bold" textAlign="left" selectable="false"/>
> 
>  paddingTop="5">
>  height="100%" verticalAlign="middle" scaleContent="false" id="image2"/>
>  click="currentState='Grid'"/>
>  verticalAlign="middle" scaleContent="false" id="image3"/>
>  color="#ff" fontWeight="bold" textAlign="left" width="30"
height="20" 
> selectable="false" toolTip="Antal filmer som visas"/>
>   
> 
> 
>   
>   
>   
>fontSize="12" fontFamily="Arial" textAlign="right" id="text1"/>
>verticalAlign="middle" scaleContent="false" id="image1"/>
>   
> 
>   
>   
> 
>





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[flexcoders] Re: Convert Object to a Value Object

[Michael Labriola]

2 more things to consider.

Not sure of your particular setup, but, you may want to look at the
[Managed] metadata tag. Setup dependent, it may be what you are
looking for.

Second, and more generally, casts fail when the system cannot convert
one type to another. So, take a look at your objects. You mentioned
setting the params one by one, a common technique is to build a static
method which accepts an Object and returns (by internally assigning
the properties) your value object.

Just a couple of thoughts,
--Mike




--- In flexcoders@yahoogroups.com, "Shannon Hicks" <[EMAIL PROTECTED]> wrote:
>
> Try assigning it via the "preferred" method:
>  
> userAccount = event.result as UserAccountVO;
>  
> Shan
> 
>_  
> 
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of mvbaffa
> Sent: Saturday, October 28, 2006 2:36 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Convert Object to a Value Object
> 
> 
> 
> Hi All,
> 
> This is pretty basic but I cannot find the problem. I have service 
> that returns a userAccountVO. When I receive the result I am trying 
> to convert the event.result, that is an Object, to UserAccountVO and 
> I receive an error:
> 
> - Type Coercion failed: cannot convert [EMAIL PROTECTED] to 
> com.mvb.boe.-vo.UserAccountVO-.
> 
> Well the code is very simple like this:
> 
> var userAccount: UserAccountVO = new UserAccountVO(-);
> userAccount = UserAccountVO(-event.result)-;
> 
> In another application I had the same problem but solved it 
> assigning the properties one by one.
> 
> What is the problem 
> 
> Thanks in advance.
> 
> 
> 
>  
> 
> 
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.408 / Virus Database: 268.13.17/505 - Release Date:
10/27/2006
> 
> 
> 
> -- 
> No virus found in this outgoing message.
> Checked by AVG Free Edition.
> Version: 7.1.408 / Virus Database: 268.13.17/505 - Release Date:
10/27/2006
>





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[flexcoders] Re: datagrid and dataField

[Michael Labriola]

Luis,

I agree it would be a good feature. Just as an FYI, I submitted it
previously as a feature request to Adobe.

On a side note, next week I will be back at the office, and I will
post the solution to the sorting problem you had as well.

Mike


--- In flexcoders@yahoogroups.com, Luis Eduardo <[EMAIL PROTECTED]> wrote:
>
> 
> 
>   Michael,
> 
>   i subclassed the datagrid and the datagridcolumn because i saw too 
> much issues being resolved on this way. (unfortunately).
>   i dont know much flex neither actionscript, but i read a lot on 
> documentation and tried a lot of tests. Spent 4 hours on this trying to 
> do the "right" thing instead of traversing "by hand" the datapath of
the 
> xml...
>   but damn !!!  actionscript is too much temperamental! clearly a 
> limitation (not a bug) that only root nodes can be evaluated with []s.
>   is there any place which we can ask for this feature to adobe?  would 
> be great!
> 
>   but...  in mean time...  thank you very much for your help bro!
> 
>   my code, inside the extendes class become (with proper credit ;)
>

> 
> 
> override public function itemToLabel(data:Object):String {
> if (!data)
> return " ";
>
> if (labelFunction != null)
> return labelFunction(data, this);
>
> if (owner.labelFunction != null)
> return owner.labelFunction(data, this);
>
> if (typeof(data) == "xml") {
> data = deriveComplexColumn( data,  dataField
).toString();
> }
>
> if (typeof(data) == "object") {
> try{
> data = data[dataField];
> }
> catch(e:Error) {
> data = null;
> }
> }
>
> if (data is String)
> return String(data);
>
>         try {
> return data.toString();
> }
> catch(e:Error) {
> }
>
> return " ";
> }
>
> // function from Michael Labriola from Flexcoders mail list
> protected function deriveComplexColumn( data:Object, 
> complexFieldName:String ):Object {
> var dataPtr:Object = data;
> var complexName:Array = complexFieldName.split( '.', 10 );
>
> for each ( var key:String in complexName )dataPtr = 
> dataPtr[ key ];
> return dataPtr;
> }
>
-------
> 
> the bad thing is that now sorting on the datagridcolumn doesn't work 
> anymore...  and need to be made "by hand" again...
> argh!
> will just wait for the client ask for this.  ;)
> 
>   best regards!
> 
> Luís Eduardo.
> 
> 
> 
> Michael Labriola escreveu:
> 
> >
> > You are correct. By default the dataField on DataGridColumn only goes
> > to the root level of the structure you are passing.
> >
> > If you are feeling a little ambitious, you can subclass dataGridColumn
> > and do something like this:
> >
> > protected function deriveComplexColumn( data:Object,
> > complexFieldName:String ):Object
> > {
> > var dataPtr:Object;
> >
> > dataPtr = data;
> >
> > var complexName:Array;
> > complexName = complexFieldName.split( '.', 10 );
> >
> > for each ( var key:String in complexName )
> > {
> > dataPtr = dataPtr[ key ];
> > }
> >
> > return dataPtr;
> > }
> >
> > Then in your itemToLabel method, you can replace this:
> >
> > > try
> > > {
> > > data = data[dataField];
> > > }
> >
> > with this:
> > try
> > {
> > data = deriveComplexColumn( data, dataField );
> > }
> >
> > ...If you don't want to make your own subclass of dataField, then you
> > could do the same thing with an itemRenderer or a labelFunction.
> >
> > So:
> >
> > public function myLabelFunc( row:Object, column:DataGridColumn
):String {
> > return deriveComplexColumn( row, column.dataField ) as String;
> > }
> >
> > Have fun,
> > Mike
> >
> > --- In flexcoders@yahoogroups.com 
> > <mailto:flexcoders%40yahoogroups.com>, Luis Eduardo  
> > wrote:
> > >
> > >
> > 

[flexcoders] Re: A web survey based on Flex

[Michael Labriola]

Overall it is not a bad way to proceed. The only place I might direct
you some place different is where you save to the local drive if the
server is unavailable.

For this part, I would suggest you take a look at a concept called
'Local Shared Objects'

Without knowing all of the details of your setup, I would suggest that
saving an XML file to their system without the help of a server is
going to be tricky if not impossible.

--Mike

--- In flexcoders@yahoogroups.com, "advantexllc" <[EMAIL PROTECTED]>
wrote:
>
> I posted this on the Adobe web forum, but I think I'll have better 
> luck posting here.
> 
> I am a newbie to flex... using flex 2 builder and cfmx 7.0.2.  I have 
> my first project to be done in flex --  a fairly large web survey.
> 
> So far I've built the UI using a ViewStack... each canvas has one or 
> more related questions.  There's a previous/next button row at the 
> bottom, and I eventually need it to work in such a way as to not 
> allow NEXT to be clicked unless all fields on the canvas are filled 
> in.
> 
> My MXML file is huge, but one design goal I had was to have the 
> entire survey be loaded by the user, and not communicate with the 
> server again until the user has made choices on all fields and is 
> ready to submit.  This way, I'm hoping I can try to capture the data 
> in the event that the user has an internet problem and let them try 
> again or save their choices to an XML file and either email it or 
> upload it later when they are back online.  This is a nice thing to 
> do for the user, since the survey is so long.  I just want to prevent 
> the survey from being interrupted, since it's so long. If the entire 
> survey is loaded when the person loads the swf, and I can just 
> attempt to send one survey object back to the server at the end, I 
> can trap errors and provide another route to go.
> 
> I was going to use mx:Form to build the forms on each ViewStack 
> Canvas... one form for each canvas, but still all bound to a single 
> Survey object, as follows...
> 
> So then I created a Survey.xml file that I was going to use with 
> mx:Model, and try to simply create an xml tree representing a "Survey 
> object", it's metadata (startDateTime, endDateTime, IP address, 
> etc.), and it's questions and answers.  My thought was that I could 
> populate this Survey object as the user progressed through the 
> ViewStack, and then send the entire object to the server when 
> complete, and if that failed, ask them to try again or offer to save 
> the XML file to their system for later upload or emailing.
> 
> Is this a reasonable way to proceed?  What are the pitfalls?  Is 
> there something different I should be considering?
> 
> Thanks,
> 
> M
>





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[flexcoders] Re: datagrid and dataField

[Michael Labriola]

You are correct. By default the dataField on DataGridColumn only goes
to the root level of the structure you are passing.

If you are feeling a little ambitious, you can subclass dataGridColumn
and do something like this:

protected function deriveComplexColumn( data:Object,
complexFieldName:String ):Object
{
var dataPtr:Object;

dataPtr = data;

var complexName:Array;
complexName = complexFieldName.split( '.', 10 );

for each ( var key:String in complexName )
{
dataPtr = dataPtr[ key ];   
}

return dataPtr;
}

Then in your itemToLabel method, you can replace this:

> try
> {
> data = data[dataField];
> }

with this:
try
{
data = deriveComplexColumn( data, dataField );
}

...If you don't want to make your own subclass of dataField, then you
could do the same thing with an itemRenderer or a labelFunction.

So: 

public function myLabelFunc( row:Object, column:DataGridColumn ):String {
  return deriveComplexColumn( row, column.dataField ) as String;
}

Have fun,
Mike


--- In flexcoders@yahoogroups.com, Luis Eduardo <[EMAIL PROTECTED]> wrote:
>
> 
>   yeah...  i guess too that if the xml had another format it should
work...
>   but it can't have another format...  :(.
>   the servlets are coded already and they return a xml that have the 
> format i presented on this sample.
>   not the same data, but this is the format.
> 
>   i search inside the DataGridColumn.as code and find a function named 
> "itemToLabel" that have this portion of code:
> 
> if (typeof(data) == "object" || typeof(data) == "xml")
> {
> try
> {
> data = data[dataField];
> }
> catch(e:Error)
> {
> data = null;
> }
> }
> 
> so, i guess that this way of getting data from a XML (using brackets) 
> only can fetch one level of info on the xml format. Not inside his 
> childrens.
> in the end, this line of code will probably be evaluated to this:  
data 
> = [EMAIL PROTECTED]
> To me, this is a bug or, being optmistic, a limitation.
> 
> can someone confirm that?Tracy? Gordon? anyone?
> 
> 
> 
> 
> thunderstumpgesatwork escreveu:
> 
> > Hi,
> >
> > my guess is that your "dataField" cannot support the complex
> > "[EMAIL PROTECTED]"... it should be just a single field name.
> >
> > To me the XML makes more sense (and is simpler) like this:
> >
> > > 
> > > 
> > > Christina Coenraets
> > > 
> > > 
> > > Maurice Smith
> > > 
> > > 
> >
> > this makes your dataField just "@gender" which I think should work.
> >
> > good luck.
> >
> > --- In flexcoders@yahoogroups.com 
> > , Luis Eduardo  
> > wrote:
> > >
> > >
> > >
> > > i could solve part of my problem with a workaround, but not all is
> > > working ok. (i could display the data but the sorting capability is
> > gone).
> > > someone have an ideia of how to make this on the rigth path?
> > > i am using the "labelFunction" property of the datagrid like this:
> > >
> > > 
> > > http://www.adobe.com/2006/mxml 
> > ">
> > > 
> > > 
> > > 
> > >
> > > 
> > > 
> > > Christina Coenraets
> > > 
> > > 
> > > Maurice Smith
> > > 
> > > 
> > >
> > >  > width="100%"
> > > paddingTop="10" paddingLeft="10" paddingRight="10">
> > >
> > >  > > dataProvider="{employees}">
> > > 
> > > 
> > >  > > headerText="Gender" labelFunction="getRowLabel"/>
> > > 
> > > 
> > > 
> > >
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > >
> > > 
> > > 
> > >
> > >
> > >
> > >
> > --
> > >
> > >
> > >
> > >
> > > Luis Eduardo escreveu:
> > >
> > > >
> > > > hi,
> > > >
> > > > i dont know why but my datagrid cant bind well when the format
of one
> > > > XML have childrens.
> > > > i borrow the example on the documentation and make a test to
you guys
> > > > see what i am talking about.
> > > > to see the issue, just select one row and watch the Labels get the
> > > > "gender" property on the right way but, using the same
notation, the
> > > > grid can't show the values.
> > > >
> > > > thx for the help,
> > > >
> > > > Luís Eduardo.
> > > >
> > > > 
> > > > http://www.adobe.com/2006/mxml 
> > 
> > > > >">
> > > > 
> > > > 
> > > > Christina Coenraets
> > > > 
> > > > 
> > > > Maurice Smith
> > > > 
> > > > 
> > > >
> > > >  > > > paddingTop="10" paddingLeft="10" paddingRight="10">
> > > >
> > > >  > > > dataProvider="{employees}">
> > > > 
> > > > 
> > > >  > > > headerText="Gender"/>
> > > > 
> > > > 
> > > > 
> > > >
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > >
> > > > 
> > > > 
> > > >
> > 

[flexcoders] Re: Undocumented AS2 -> AS3 migration issues

[Michael Labriola]

Link just became LinkButton in 2.0

Best luck,
Mike

--- In flexcoders@yahoogroups.com, "fuad_kamal" <[EMAIL PROTECTED]> wrote:
>
> While I've been porting a huge application from Flex 1.5 to Flex 2.0,
> every now and then I come across things that just weren't mentioned
> anywhere in the migration docs.  I'm sure lots of other folks have
> been doing such ports and have come across undocumented issues that
> they had to figure out on their own; it would be nice if there were
> somewhere to collect these issues to save others time in the future.
> 
> Here's one:
> 
>  - doesn't exist in Flex 2.0.  I would've thought that was
> a basic one, maybe I missed something?  But run a search in the
> migration doc for that tag and it doens't even come up.
> 
> Cheers.
>





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[flexcoders] Re: E4X Help

[Michael Labriola]

Tangent,

Remove the {} from around selected :

var counties:XMLList = _myXml.state.(@label=selected).county;

Mike

--- In flexcoders@yahoogroups.com, "Tan" <[EMAIL PROTECTED]> wrote:
>
> I try writing two comboboxes to facilitate selection of the
following XML,
> 
> 
>   
>   
>   
>   ...
>   
>   
>   
>   
>   ...
>   
>   ...
> 
> 
> The first combo box is named _combo1 that is populated by state
data, and I
> want to get an XML or XMLList of the counties using AS3, I wonder
whether I
> can write it in E4X syntax that looks somewhat like
> 
>   var selected:String = _combo1.selectedItem.toString();
>   var counties:XMLList = _myXml.state.(@label = {selected}).county;
> 
> I get a compiler error for the last line, and I have searched
through some
> E4X samples, didn't seem to find any help.  Any advice?
> 
> Thanks!
> 
> - Tangent
> 
> P.S.  Or should I use XmlViewCollection, Descriptor or things like that?
>





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[flexcoders] Re: TextInput control (displaying CurrencyFormatted data) question

[Michael Labriola]

Mike,

There are a bunch of ways you can approach this some more elegant than
others.

Let me give you a few hints:

#1) There is a method of the NumberBase class called parseNumberString
which will parse apart a formatted number string and give you back
something you could work with...It is used within the
CurrencyFormatter to convert what the user enter into a number so that
it can be formatted. So, one approach, you could format on a focus out
and populate your value object by parsing the number first... This
might be the route of least resistance

#2) You could create an extension of the TextInput called, let's say
CurrencyInput. You could add a property to that class for an
unformatted version of the text property. So, on valueCommit or
focusOut you could convert the string to a number and save it in the
new property. This property could then be configured as bindable and
used instead of the text property in your databinding.

The latter is the approach I would prefer, as it makes the setup
reusable. However, your mileage will vary depending on type/size of
project.

There might be another way that I am not familiar with, however, this
should work.

Let me know if you have additional questions or need to see a code
snippet,
Mike



--- In flexcoders@yahoogroups.com, "Mike Anderson" <[EMAIL PROTECTED]> wrote:
>
> Yes, Michael - that is PRECISELY what I am asking -
> 
> In my App, I have a TextInput that is bound to a ValueObject (using the
> Curly Braces method) - and this TextInput needs to display numbers
> entered by the user, as Currency once that field loses focus.
> 
> Is it possible to have the user enter a number, and once the TextInput
> loses focus, have the number turn into a "$00.00" format (while still
> keeping the original intact, when sending back to the server)?  I am
> sure this is quite easy to do, BUT will this get hosed up, if this value
> gets sent back to the server?
> 
> This is why I mentioned, having an interim Variable hold the contents of
> the "Number".
> 
> Even know my DataType on the SQL Server is "SmallMoney", it's still a
> Number within my VO Class File.
> 
> Will this cause an error, since a String Var is required, in order to
> keep the $ format?
> 
> This is where I could use some guidance...
> 
> Thanks in advance for your help,
> 
> Mike
> 
> -Original Message-
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of Michael Labriola
> Sent: Thursday, October 19, 2006 8:19 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: TextInput control (displaying
> CurrencyFormatted data) question
> 
> 
> Mike,
> 
> I might need some more explanation, as I think I am missing something.
> I have a lot of textInputs that format on focus out. Is your concern
> that the data in the field is now 'formatted' so it will be useless for
> sending back to some server.
> 
> Let me know and I will be glad to help more, Mike
> 
> --- In flexcoders@yahoogroups.com, "Mike Anderson"  wrote:
> >
> > Hello All,
> > 
> > In all the examples I've seen for the CurrencyFormatter when it comes 
> > to using a TextInput for displaying the data, it requires TWO 
> > TextInputs - one that contains the value to be formatted, and one that
> 
> > displays the finally formatted data.
> > 
> > Isn't there a way, where the same TextInput can be used twice?  The 
> > holder of the data, and the displayer of the formatted data?  Or is 
> > this simply not possible?
> > 
> > Or is my best bet (since 2 controls would look stupid), to declare a 
> > Variable that acts as the Value Holder (as well as the item being 
> > bound to my DataSet), and then the actual TextInput strictly for 
> > displaying to the user, the CurrencyFormatted value?
> > 
> > As far as I can tell, this is THE way to do it - but I just wanted to 
> > throw this question out there.
> > 
> > Any comments regarding this, would be greatly appreciated!
> > 
> > Thanks,
> > 
> > Mike
> >
> 
> 
> 
> 
> 
> --
> Flexcoders Mailing List
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[flexcoders] Re: Validator Error Message Position

[Michael Labriola]

Not sure if this helps in your particular situation, however, the
validation error messages are really nothing more than styled tooltips. 

You have some control over tips, such as their maximum width.

Look in the Flex Help under "Setting the width of ToolTips"

-Mike

--- In flexcoders@yahoogroups.com, "Paul Cormier" <[EMAIL PROTECTED]> wrote:
>
> I was having the same problem and couldn't find a solution other than
> to  insert line breaks 
 in the validator message so that they
> aren't so wide, but instead wrap to multiple lines.
> 
> Paul C
> WinCorp Software, Inc.
>





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[flexcoders] Re: writing and using classes

[Michael Labriola]

There are many, try googling Object Oriented Tutorials

Here is a quick overview from the Flex 2 docs:
http://livedocs.macromedia.com/flex/2/docs/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=1837.html

--Mike

--- In flexcoders@yahoogroups.com, "amigo_fd" <[EMAIL PROTECTED]> wrote:
>
> Thanks a lot, Mike
> 
> used "public static function String2Date"
> and "CommonFunctions.String2Date(...)"
> 
> I'm a search-trialanderror-and-search-again type of programmer. Just
> learning as I need something :-)
> 
> Any suggestions on good OO-related basic learning sites ?
> 
> --- In flexcoders@yahoogroups.com, "Michael Labriola" 
> wrote:
> >
> > 
> > Frank,
> > 
> > I think you might be approaching this from the wrong perspective. In
> > particular, if you don't have object oriented programming experience,
> > you may want to take a few minutes and read some of the many tutorials
> > available online.
> > 
> > As Flex is a pretty OO heavy environment, without this knowledge, I
> > think you are going to get stuck on a lot of issues.
> > 
> > That said, you have two choices in the code you wrote below:
> > 
> > You could make your method static:
> > 
> > public function String2Date becomes->
> > public static function String2Date
> > 
> > Then you could access it as:
> > dfShipping.selectedDate =
> > CommonFunctions.String2Date(x.result[0].shipdatum[0].toString());
> > 
> > Or you need to create an instance of this class first.
> > 
> > var cf:CommonFunctions = new CommonFunctions();
> > dfShipping.selectedDate =
> > cf.String2Date(x.result[0].shipdatum[0].toString());
> > 
> > I do encourage you to spend a little time reading about Object
> > Oriented programming, either from an Adobe resource or just an online
> > tutorial. It will help you immensly.
> > 
> > --Mike
> > 
> > --- In flexcoders@yahoogroups.com, "amigo_fd"  wrote:
> > >
> > > Hello,
> > > 
> > > I want to make a class with a function I want to reuse in my
> > > application. This is new for me, so I need some help ...
> > > 
> > > I've created a file "CommonFunctions.as" in the root of my
application
> > > with this code:
> > > 
> > > package {
> > >   public class CommonFunctions {
> > >   public function String2Date(doString:String):Date {
> > >   var doYear:int = Number(doString.substr(0,4));
> > >   var doMonth:int = Number(doString.substr(5,2));
> > >   var doDay:int = Number(doString.substr(8,2));
> > >   var doHour:int = Number(doString.substr(11,2));
> > >   var doMin:int = Number(doString.substr(14,2));
> > >   var doSec:int = Number(doString.substr(17,2));  
> > >   
> > >   var myDate:Date = new Date(doYear, doMonth, doDay, 
> > > doHour, doMin,
> > > doSec);
> > >   // showErrorDialog(doString + "+" + doYear + "+" + 
> > > doMonth +
"+" +
> > > doDay + "+" + doHour + "+" + doMin + "+" + doSec);
> > >   
> > >   return myDate;
> > >   }
> > >   }
> > > }
> > > 
> > > Now, how do I use in it on an other mxml-file in that application ?
> > > This does not work:
> > > 
> > > dfShipping.selectedDate =
> > > String2Date(x.result[0].shipdatum[0].toString());
> > > 
> > > Thanks a lot,
> > > Frank
> > >
> >
>





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[flexcoders] Re: TextInput control (displaying CurrencyFormatted data) question

[Michael Labriola]

Mike,

I might need some more explanation, as I think I am missing something.
I have a lot of textInputs that format on focus out. Is your concern
that the data in the field is now 'formatted' so it will be useless
for sending back to some server.

Let me know and I will be glad to help more,
Mike

--- In flexcoders@yahoogroups.com, "Mike Anderson" <[EMAIL PROTECTED]> wrote:
>
> Hello All,
> 
> In all the examples I've seen for the CurrencyFormatter when it comes to
> using a TextInput for displaying the data, it requires TWO TextInputs -
> one that contains the value to be formatted, and one that displays the
> finally formatted data.
> 
> Isn't there a way, where the same TextInput can be used twice?  The
> holder of the data, and the displayer of the formatted data?  Or is this
> simply not possible?
> 
> Or is my best bet (since 2 controls would look stupid), to declare a
> Variable that acts as the Value Holder (as well as the item being bound
> to my DataSet), and then the actual TextInput strictly for displaying to
> the user, the CurrencyFormatted value?
> 
> As far as I can tell, this is THE way to do it - but I just wanted to
> throw this question out there.
> 
> Any comments regarding this, would be greatly appreciated!
> 
> Thanks,
> 
> Mike
>





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[flexcoders] Re: Binding a List to an Array

[Michael Labriola]

Steve,

Do me a favor and test something out. Make the items Array an
ArrayCollection on your own.

Here is the gist: When you pass an Array to either ComboBox or List it
makes an ArrayCollection out of it for the purposes of binding. List
does something slightly different in that it stops listening to the
existing collection first. This may mean nothing at all.

However, I am concerned that you are getting lucky on the timing of
the ComboBox. This is just a guess, but try it and post back some code
if it does not work, I will be glad to look at it.

Mike

--- In flexcoders@yahoogroups.com, "stevex" <[EMAIL PROTECTED]> wrote:
>
> I have a binding problem that seems simple, but I can't figure it out.
>  Here's the deal:
> 
> I have a class that I'm using as my model.  It looks like this:
> 
>   [Bindable]
>   public class MyModel
>   {
> public var items:Array = new Array();
>   }
> 
> I have a class whose objects populate the array:
> 
>   [Bindable]
>   public class MyItem
>   {
> public var name:String;
>   }
> 
> I declare an appModel variable in the MXML (with the appropriate
> xmlns:local="*" to make it work):
> 
>   
> 
> When the app starts up I put a few test items in the array:
> 
>   var anItem:MyItem = new MyItem();
>   anItem.name = "Test 1";
>   appModel.items.push(anItem);
> 
>   anItem:MyItem = new MyItem();
>   anItem.name = "Test 2";
>   appModel.items.push(anItem);
> 
> Now, if I create a ComboBox and bind it thusly:
> 
>   dataProvider="{appModel.items}"/>
> 
> It works:  I see Test 1 and Test 2 in my ComboBox.  But if I bind it
> to a List:
> 
>   
> 
> I see nothing.  Funny thing is, if I create a global array and bind
> the list to that, it works.  So it seems to have something to do with
> the fact that the array is a property of appModel.
> 
> What am I missing?
> 
> Thanks.
> --
> Steve Tibbett
> [EMAIL PROTECTED]
>





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[flexcoders] Re: writing and using classes

[Michael Labriola]

Frank,

I think you might be approaching this from the wrong perspective. In
particular, if you don't have object oriented programming experience,
you may want to take a few minutes and read some of the many tutorials
available online.

As Flex is a pretty OO heavy environment, without this knowledge, I
think you are going to get stuck on a lot of issues.

That said, you have two choices in the code you wrote below:

You could make your method static:

public function String2Date becomes->
public static function String2Date

Then you could access it as:
dfShipping.selectedDate =
CommonFunctions.String2Date(x.result[0].shipdatum[0].toString());

Or you need to create an instance of this class first.

var cf:CommonFunctions = new CommonFunctions();
dfShipping.selectedDate =
cf.String2Date(x.result[0].shipdatum[0].toString());

I do encourage you to spend a little time reading about Object
Oriented programming, either from an Adobe resource or just an online
tutorial. It will help you immensly.

--Mike

--- In flexcoders@yahoogroups.com, "amigo_fd" <[EMAIL PROTECTED]> wrote:
>
> Hello,
> 
> I want to make a class with a function I want to reuse in my
> application. This is new for me, so I need some help ...
> 
> I've created a file "CommonFunctions.as" in the root of my application
> with this code:
> 
> package {
>   public class CommonFunctions {
>   public function String2Date(doString:String):Date {
>   var doYear:int = Number(doString.substr(0,4));
>   var doMonth:int = Number(doString.substr(5,2));
>   var doDay:int = Number(doString.substr(8,2));
>   var doHour:int = Number(doString.substr(11,2));
>   var doMin:int = Number(doString.substr(14,2));
>   var doSec:int = Number(doString.substr(17,2));  
>   
>   var myDate:Date = new Date(doYear, doMonth, doDay, 
> doHour, doMin,
> doSec);
>   // showErrorDialog(doString + "+" + doYear + "+" + 
> doMonth + "+" +
> doDay + "+" + doHour + "+" + doMin + "+" + doSec);
>   
>   return myDate;
>   }
>   }
> }
> 
> Now, how do I use in it on an other mxml-file in that application ?
> This does not work:
> 
> dfShipping.selectedDate =
> String2Date(x.result[0].shipdatum[0].toString());
> 
> Thanks a lot,
> Frank
>





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[flexcoders] Re: does FLEX2 support text direction right to left?

[Michael Labriola]

Unfortunately, no.

This is an area where I have spent countless hours trying to work
around. Flash player has absolutely no support for right to left
natively. Further, while you can manually do *some* things to fix
this, ultimately none of the text components (input, area, etc) allow
editing in RTL. So, you can *display* RTL text, however, you can not
actually edit it.

Adobe has some suggestions for workarounds. However, they all require
a significant amount of work and none can be accomplished directly in
flash player in a real-time environment.

Sorry. This is an issue which has been the subject of countless
debates and is really limiting the ability to use Flash as a serious
development platform for true international solutions. Adobe is aware
and we are all hoping that this can be resolved within the next few
releases.

--Mike

--- In flexcoders@yahoogroups.com, "shemeshkale" <[EMAIL PROTECTED]> wrote:
>
> hello,
> can someone tell me if flex2 have an option of RTL text?
> 
> i need to use hebrew and arabic in my flex app but i know the flash
> player do not have support for RTL text. or does it?
> 
> is there any way to work with RTL texts ?
>





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[flexcoders] Re: ComboBox itemEditor example inside of DataGrid??

[Michael Labriola]

Mike,

A custom class is the right way. It is just a lot harder to post.

Best luck,
Mike

--- In flexcoders@yahoogroups.com, "Mike Anderson" <[EMAIL PROTECTED]> wrote:
>
> Thank You Michael!!
> 
> It really didn't hit me, to oversimplify my original design like that...
> 
> Since I am a pretty experienced programmer, I immediately jumped into
> the more advanced methods of performing this type of task -
> 
> I had written custom classes, one for the itemRenderer and one for the
> itemEditor - and I had lots of code/listeners setup to react to the
> proper events.  Specifically, the DataGrid_ItemEditEnd event - which is
> used extensively for this type of thing.
> 
> My guess, is that I got things so over complicated, that I was unable to
> track down what the true problem was.
> 
> I will use your example though, and then re-write all my Classes, so it
> performs the exact same functions.  Hopefully, I will then get it to
> work MY way.
> 
> There is absolutely nothing wrong with your methods - in fact, I
> wouldn't have been able to figure it out without your help - BUT, I
> write code in a very specific way, and I LOVE writing Packages and
> Classes - it keeps things so nice and tight - not to mention, the
> reusability factor...
> 
> Well, thanks again - I truly appreciate your help on this :)
> 
> Mike 
> 
> -Original Message-
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of Michael Labriola
> Sent: Monday, October 16, 2006 4:47 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: ComboBox itemEditor example inside of
> DataGrid??
> 
> 
> Mike,
> 
> Take a look at this and see if it clears things up. Sorry for the long
> code post... 
> 
> 
>   
> 
>   1
>   3
>   Bob
>   Its Bob
> 
> 
>   2
>   2
>   Gary
>   Its Gary
> 
>   
> 
> 
> 
>   
> 
>   2
>   Not the name of the ID
> 
> 
>   3
>   really, not an ID
> 
>   
> 
> 
> 
>   
> 
> 
> 
>   
> 
>  editorDataField="selectedCategoryID"
> labelFunction="displayProductCategoryName">
> 
> 
>  dataProvider="{outerDocument.myCats.category}"
> labelField="CategoryName">
> 
>   
> 
>   
> 
> 
> 
> 
>   
> 
> 
> 
> --Mike
> 
> --- In flexcoders@yahoogroups.com, "Mike Anderson"  wrote:
> >
> > Yes, I've been exploring that property all day long -
> > 
> > There must be something else I am doing wrong here -
> > 
> > So with that said, YES, if you could please post an example, I'd be 
> > grateful -
> > 
> > Right now, I have a ComboBox Component I created - and I am binding 
> > the dataProvider property of it, to my Apps "model.produstList"
> property.
> > And yes, this is a Cairngorm based application - but I don't think 
> > this should affect anything.
> > 
> > My OrderDetails DataGrid, is populated using ValueObjects - and the 
> > ProductID Column initially displays only numbers.  Of course, this is 
> > great - since that column should only display Integer values anyway 
> > (this is previous to applying the itemRenderer and itemEditor).
> > 
> > BUT, now that I want the "ProductName" value to display all the time, 
> > do I also need to declare an itemRenderer as well?  I ask this 
> > because, only the ComboBox populated with ProductID and ProductName, 
> > contains the associated information - where the underlying ProductID 
> > value contained behind the scenes, drives what is displayed to the 
> > user.  The issue is though, the itemEditor only becomes active, 
> > whenever the Cell is active correct?
> > 
> > Well, bottom line is, I am so frazzled by this incident, that I am 
> > sick and tired of racking my brain trying to figure this out.  I 
> > wasted 2 incredibly valuable days on this darn problem, with 
> > absolutely nothing to show for it.
> > 
> > If you could please post some code and examples, I would be grateful.
> > 
> > Thanks in advance,
> > 
> > Mike
> > 
> > -Original Message-
> > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] 
> > On Behalf Of Michael Labriola
> > Sent: Monday, October 16, 2006 3:13 PM
> > To: flexcoders@yahoogroups.com
> > Subject: [flexcoders

[flexcoders] Re: Is there a way to find an object if you know the name

[Michael Labriola]

Marlon,

So long as you know the container where the child exists, you can say:

container.getChildByName(name:String):DisplayObject 

or 

container.getChildIndex(child:DisplayObject):int 

Hope that helps,
Mike


--- In flexcoders@yahoogroups.com, "Marlon Moyer" <[EMAIL PROTECTED]>
wrote:
>
> sorry, I didn't phrase the question correctly.  I have the name of a
> component in a string variable (e.g. I've named a component
> 'name="repeater_state_{divisionRepeater.currentItem.id}") and now I
want to
> be able to refer to that component dynamically.
> 
> 
> On 10/16/06, Gordon Smith <[EMAIL PROTECTED]> wrote:
> >
> >You simply refer to components by their id. You don't have to "look
> > them up" by it. For example, if you have
> >
> >
> >
> > MyApp.mxml:
> >
> >
> >
> > 
> >
> > 
> >
> > 
> >
> >...
> >
> >
> >
> > then in the Application's  methods you can write
expressions
> > like b1.label.
> >
> >
> >
> > Technically, what is happening is that the MXML compiler autogenerates
> >
> >
> >
> > var c1:Canvas;
> >
> > var b1:Button;
> >
> >
> >
> > as instance vars of a MyApp class which extends Application. The
methods
> > you write in the  become methods of this MyApp class,
so they can
> > acess these instance vars.
> >
> >
> >
> > To access components inside components, you simply use the dot
operator.
> >
> >
> >
> > - Gordon
> >
> >
> >  --
> >
> > *From:* flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] *On
> > Behalf Of *Marlon Moyer
> > *Sent:* Sunday, October 15, 2006 7:03 PM
> > *To:* flexcoders@yahoogroups.com
> > *Subject:* [flexcoders] Is there a way to find an object if you
know the
> > name
> >
> >
> >
> > What's the equivalent of javascript's getElementById in Flex? I've
> > searched the help files numerous times and can't seem to find it.
> >
> > Thanks
> >
> > --
> > Marlon
> >
> >  
> >
> 
> 
> 
> -- 
> Marlon
>






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[flexcoders] Re: Is there a way to find an object if you know the name

[Michael Labriola]

..one more note..

You may want to also check out "Referencing repeated child components"
in the help docs, which is specifically about components within a
repeater.

--Mike

--- In flexcoders@yahoogroups.com, "Marlon Moyer" <[EMAIL PROTECTED]>
wrote:
>
> sorry, I didn't phrase the question correctly.  I have the name of a
> component in a string variable (e.g. I've named a component
> 'name="repeater_state_{divisionRepeater.currentItem.id}") and now I
want to
> be able to refer to that component dynamically.
> 
> 
> On 10/16/06, Gordon Smith <[EMAIL PROTECTED]> wrote:
> >
> >You simply refer to components by their id. You don't have to "look
> > them up" by it. For example, if you have
> >
> >
> >
> > MyApp.mxml:
> >
> >
> >
> > 
> >
> > 
> >
> > 
> >
> >...
> >
> >
> >
> > then in the Application's  methods you can write
expressions
> > like b1.label.
> >
> >
> >
> > Technically, what is happening is that the MXML compiler autogenerates
> >
> >
> >
> > var c1:Canvas;
> >
> > var b1:Button;
> >
> >
> >
> > as instance vars of a MyApp class which extends Application. The
methods
> > you write in the  become methods of this MyApp class,
so they can
> > acess these instance vars.
> >
> >
> >
> > To access components inside components, you simply use the dot
operator.
> >
> >
> >
> > - Gordon
> >
> >
> >  --
> >
> > *From:* flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] *On
> > Behalf Of *Marlon Moyer
> > *Sent:* Sunday, October 15, 2006 7:03 PM
> > *To:* flexcoders@yahoogroups.com
> > *Subject:* [flexcoders] Is there a way to find an object if you
know the
> > name
> >
> >
> >
> > What's the equivalent of javascript's getElementById in Flex? I've
> > searched the help files numerous times and can't seem to find it.
> >
> > Thanks
> >
> > --
> > Marlon
> >
> >  
> >
> 
> 
> 
> -- 
> Marlon
>






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[flexcoders] Re: load date for DateField from database in correct format

[Michael Labriola]

Frank,

The problem is that the dateField is looking for a Flex Date object.
Guessing from the conversion to XML, the x.result[0].arrivaldate[0] is
an XML node which contains a String. This String needs to be made into
a Flex Date Object.

There are a few ways to do this: var myDate:Date = new Date( y, m, d,
h, m, s ); and parse it manually. Many people have spun there own code
to do this, however, this might also be a resource for you:

http://labs.adobe.com/wiki/index.php/ActionScript_3:resources:apis:libraries

There are a few methods in DateUtil for parsing a string into dates.

--Mike

--- In flexcoders@yahoogroups.com, "amigo_fd" <[EMAIL PROTECTED]> wrote:
>
> Hello,
> 
> I have a webservice which loads from a database with ASP.NET C#. Dates
> are converted into the following format:
> 
> ToString("/MM/dd HH:mm:ss")
> For instance: 2002/09/01 00:00:00
> 
> Within Flex they are assigned to a DateField with: 
> 
> var x:XML = new XML(WsImports.WsGetImportData.lastResult);
> dfArrival.selectedDate = x.result[0].arrivaldate[0];
> 
> But I get the error:
> cannot convert [EMAIL PROTECTED] element  to Date
> 
> Any ideas what would be the correct dateformat to use them in Flex ?
> 
> Thanks a lot,
> Frank
>





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[flexcoders] Re: xml question

[Michael Labriola]

In your result handler, function that is called once the read is
complete, you can access this data as follows:

if ( event.result.record.category == 4 ){
}
else{
}

You can also include XML at compile time using the mx:XML tag,
however, you should not do this if the contents of the XML may change.

--Mike

--- In flexcoders@yahoogroups.com, "Fabio Barreiro" <[EMAIL PROTECTED]>
wrote:
>
> Hi guys
> 
>  
> 
> I'm new to Flex...
> 
> I've created a HTTPService which reads an XML file and once done calls a
> function
> 
> I want this function to perform different actions based on the data
> received. How to do it?
> 
>  
> 
> The xml looks like
> 
> 
> 
>   131 
>   4 
>   c2 
>   Teste Cyro Neto 
> 
> 
> 
>  
> 
> and for example, I want to execute some code if the category is 4,
and other
> code if it's not 4.
> 
>  
> 
> Any other way not using HTTPService?
> 
>  
> 
> Thanks!!
>





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[flexcoders] Re: ComboBox itemEditor example inside of DataGrid??

[Michael Labriola]

Mike,

Take a look at this and see if it clears things up. Sorry for the long
code post... 


  

  1
  3
  Bob
  Its Bob


  2
  2
  Gary
  Its Gary

  



  

  2
  Not the name of the ID


  3
  really, not an ID

  



  



  






  

  




  



--Mike

--- In flexcoders@yahoogroups.com, "Mike Anderson" <[EMAIL PROTECTED]> wrote:
>
> Yes, I've been exploring that property all day long -
> 
> There must be something else I am doing wrong here -
> 
> So with that said, YES, if you could please post an example, I'd be
> grateful -
> 
> Right now, I have a ComboBox Component I created - and I am binding the
> dataProvider property of it, to my Apps "model.produstList" property.
> And yes, this is a Cairngorm based application - but I don't think this
> should affect anything.
> 
> My OrderDetails DataGrid, is populated using ValueObjects - and the
> ProductID Column initially displays only numbers.  Of course, this is
> great - since that column should only display Integer values anyway
> (this is previous to applying the itemRenderer and itemEditor).
> 
> BUT, now that I want the "ProductName" value to display all the time, do
> I also need to declare an itemRenderer as well?  I ask this because,
> only the ComboBox populated with ProductID and ProductName, contains the
> associated information - where the underlying ProductID value contained
> behind the scenes, drives what is displayed to the user.  The issue is
> though, the itemEditor only becomes active, whenever the Cell is active
> correct?
> 
> Well, bottom line is, I am so frazzled by this incident, that I am sick
> and tired of racking my brain trying to figure this out.  I wasted 2
> incredibly valuable days on this darn problem, with absolutely nothing
> to show for it.
> 
> If you could please post some code and examples, I would be grateful.
> 
> Thanks in advance,
> 
> Mike
> 
> -Original Message-
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of Michael Labriola
> Sent: Monday, October 16, 2006 3:13 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: ComboBox itemEditor example inside of
> DataGrid??
> 
> Mike,
> 
> I apologize in advance if this is now what you are asking, but, have you
> looked at the editorDataField property?
> 
> If this isn't what you are looking for, I can post an example of a
> ComboBox renderer in a DataGrid.
> 
> --Mike
> 
> 
> --- In flexcoders@yahoogroups.com, "Mike Anderson"  wrote:
> >
> > Hello All,
> > 
> > I am WAY beyond frustrated at the moment, and am ready to throw this 
> > computer out the window right now.
> > 
> > I've been able to get this to work in the most simple of examples - 
> > BUT, here is what I need to do that may be considered "unique" in my 
> > case (although, not at all uncommon in most other typical programming 
> > environments).
> > 
> > In my case, my OrderDetails DataGrid contains a 'ProductID' Field from
> 
> > the 'Products' Table.  It would be redundant to create an additional 
> > field called "ProductName" within my OrderDetails Table - since it 
> > already exists in my Products Table.
> > 
> > I know for a fact, that there is a way for the ComboBox itemEditor, to
> 
> > display the "Label" property of the Product (in this case, 
> > ProductName), but still leave intact, the Numeric "Data" property of 
> > the Product (in this case, ProductID) - so that part gets written back
> to the DataBase.
> > 
> > I am having a TERRIBLE time, finding an example of how to have the 
> > ComboBox display one thing, but set the value in the DataGrid, to some
> 
> > OTHER thing -
> > 
> > Could any of you help me in this regard?
> > 
> > Thanks in advance,
> > 
> > Mike
> >
> 
> 
> 
> 
> 
> 
> --
> Flexcoders Mailing List
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> Search Archives:
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>





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[flexcoders] Re: pop up a new window behind

[Michael Labriola]

The PopUpManager.createPopUp method calls addPopUp which, as part of
the method seems to ensure that the new Popup is on top. 

After it is created, you could manually move it around using
setChildIndex... a good place to look is at PopUpManager.bringToFront 

Hope that help a little,
Mike




--- In flexcoders@yahoogroups.com, "Lisa Nelson" <[EMAIL PROTECTED]> wrote:
>
> Anyone know how to pop up a new window behind the one currently in
> focus?
>





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[flexcoders] Re: Multiline ComboBox

[Michael Labriola]

Michael,

Problem is that ComboBase uses a textInput control to display the
currently selected item. The TextInput is limited to displaying a
single line of text.

You could certianly change this, but, it seems as though it will
require extending ComboBox, not just making an itemRenderer.

--Mike

--- In flexcoders@yahoogroups.com, "Michael" <[EMAIL PROTECTED]> wrote:
>
> Does anyone know how I can get my combobox to display 2 lines as
opposed to
> only one line.  I can display 2 lines in the dropdown area, but not
in the
> main combobox display.
> 
>  
> 
> Here is what I have so far:
> 
>  
> 
> public function initRenderer():void
> 
> {
> 
> var myRenderer:ClassFactory = new ClassFactory(mx.controls.Text);
> 
> myRenderer.properties = {maxHeight:60};
> 
> this.cb.itemRenderer = myRenderer;
> 
> }
> 
>  
> 
>  
> dataProvider="{cbData}"
> 
> labelField="{cbLabelField}"
> 
> selectedIndex="{getSelectedIndex()}"
> 
> change="comboBoxChange(cb.selectedItem)"/>
> 
>  
> 
> Thanks in advance,
> 
>  
> 
> Michael
>





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[flexcoders] Re: ComboBox itemEditor example inside of DataGrid??

[Michael Labriola]

Mike,

I apologize in advance if this is now what you are asking, but, have
you looked at the editorDataField property?

If this isn't what you are looking for, I can post an example of a
ComboBox renderer in a DataGrid.

--Mike


--- In flexcoders@yahoogroups.com, "Mike Anderson" <[EMAIL PROTECTED]> wrote:
>
> Hello All,
> 
> I am WAY beyond frustrated at the moment, and am ready to throw this
> computer out the window right now.
> 
> I've been able to get this to work in the most simple of examples - BUT,
> here is what I need to do that may be considered "unique" in my case
> (although, not at all uncommon in most other typical programming
> environments).
> 
> In my case, my OrderDetails DataGrid contains a 'ProductID' Field from
> the 'Products' Table.  It would be redundant to create an additional
> field called "ProductName" within my OrderDetails Table - since it
> already exists in my Products Table.
> 
> I know for a fact, that there is a way for the ComboBox itemEditor, to
> display the "Label" property of the Product (in this case, ProductName),
> but still leave intact, the Numeric "Data" property of the Product (in
> this case, ProductID) - so that part gets written back to the DataBase.
> 
> I am having a TERRIBLE time, finding an example of how to have the
> ComboBox display one thing, but set the value in the DataGrid, to some
> OTHER thing - 
> 
> Could any of you help me in this regard?
> 
> Thanks in advance,
> 
> Mike
>






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