Re: [flexcoders] Ant Task to Build Air Package

[Ian Thomas]

works for me.

Which does much the same thing.

Are you sure your ${STOREPASS} property is correct/has valid data?

Ian

On Mon, Sep 28, 2009 at 8:18 PM, seanmcmonahan  wrote:

>
>
> I'm working on an Ant build script to build and package my Air application.
> So far it works pretty well except I cannot get the script to use the
> password for the signing certificate.
>
> ADT is invoked like this:
>
>  jar="${ADT.JAR}"
> fork="true"
> failonerror="true">
>
> 
> 
> 
> 
> 
> 
> 
>
> 
> 
>
> 
> 
> 
> 
>
> 
> 
> 
> 
> 
>
> When I run the script from Flex Builder everything works fine until, I
> presume, it gets to the storepass. If I run this build from the Termninal on
> Mac OS I can manually type in the password when the build script gets to the
> storepass and then the script will complete the build.
>
> So my build script mostly works, anyone have any thoughts on how to get it
> to entirely work? Ideally I'd like to be able to run the script from Flex
> Builder, but using the Terminal or Command Prompt is fine as well, I just
> don't want to have to type the password in for the certificate.
>
> Thanks!
>
>  
>

Re: [flexcoders] openGL overlayed on Flash

[Ian Thomas]

Try calling the updateAfterEvent() method of the MouseEvent you're
using to track the mouse (probably in MOUSE_MOVE, I'm guessing).

e.g.

public function onMouseMove(ev:MouseEvent):void
{
  _myCursor.x = stage.mouseX;
  _myCursor.y = stage.mouseY;
  ev.updateAfterEvent();
}

HTH,
Ian

On Sat, Sep 26, 2009 at 12:02 AM, etaiweininger  wrote:
>
>
>
> Hello,
>
> Does anyone know how to overlay openGL on top of an Adobe AIR application? I 
> have an animated cursor and I need it to refresh much faster than the Flash 
> refresh rate. If I try to increase the global refresh rate, animation is way 
> too choppy to support my cursor. Any thoughts?
>
> Thanks,
> Etai
>
> 

Re: [flexcoders] Bringing application to front

[Ian Thomas]

If it's an AIR application, you can use the .orderToFront() method of your
WindowedApplication.

http://livedocs.adobe.com/flex/3/langref/mx/core/WindowedApplication.html#orderToFront%28%29

Ian

On Tue, Sep 15, 2009 at 10:03 PM, nhid  wrote:

>
>
> Hi,
>
> How should I go about implementing the following case:
>
> There's a timer on my application which will give an alert to the user 5
> minutes before the session times out.  It's working, but the problem is
> since the alert is a popup window, it appears inside the application and
> when the application is behind another application (browser, etc) or is
> minimized, the user won't see the alert and the applicaiton logs the user
> out because no action was taken.  How can I bring the application to the
> front (to focus) or maximize it so the user will see the alert?
>
> Any suggestion is appreciated.  Thank you!
>  
>

Re: [flexcoders] Use "Outline" fonts in Flex AIR app?

[Ian Thomas]

Sorry, setting the filter on a text display object of some sort, not on a
font!

Ian

On Sun, Sep 13, 2009 at 4:50 PM, Ian Thomas  wrote:

> Tracy,
>You can get a pretty good approximation by using a GlowFilter on a font,
> setting the quality to medium or high, the size to 2 or more and the
> strength to 1000.
>
> HTH,
>Ian
>
>
> On Sun, Sep 13, 2009 at 4:38 PM, Tracy Spratt  wrote:
>
>>
>>
>>  We need to display numbers on a screen with a busy background and the
>> designers want to use an “outline” font.  By this they mean a character that
>> has an outline around it.
>>
>>
>>
>> Googling shows that the word “outline’ is used with font technical
>> description/formatting, but that is not the same as a visual outline around
>> the character.  One post (from 2006) says that Flex/Flash does not directly
>> support outline fonts and that one should create the characters in Flash.
>>
>>
>>
>> Worst case, we can do that but it means a lot of work, especially to
>> support multiple sizes, and to provide runtime styling of the colors of the
>> outline, and the interior.
>>
>>
>>
>> Any suggestions?
>>
>>
>>
>> Tracy Spratt,
>>
>> Lariat Services, development services available
>>
>>
>>  
>>
>
>

Re: [flexcoders] Use "Outline" fonts in Flex AIR app?

[Ian Thomas]

Tracy,
   You can get a pretty good approximation by using a GlowFilter on a font,
setting the quality to medium or high, the size to 2 or more and the
strength to 1000.

HTH,
   Ian

On Sun, Sep 13, 2009 at 4:38 PM, Tracy Spratt  wrote:

>
>
>  We need to display numbers on a screen with a busy background and the
> designers want to use an “outline” font.  By this they mean a character that
> has an outline around it.
>
>
>
> Googling shows that the word “outline’ is used with font technical
> description/formatting, but that is not the same as a visual outline around
> the character.  One post (from 2006) says that Flex/Flash does not directly
> support outline fonts and that one should create the characters in Flash.
>
>
>
> Worst case, we can do that but it means a lot of work, especially to
> support multiple sizes, and to provide runtime styling of the colors of the
> outline, and the interior.
>
>
>
> Any suggestions?
>
>
>
> Tracy Spratt,
>
> Lariat Services, development services available
>
>
>  
>

Re: [flexcoders] How to get X, Y position/coordinates of a specific character/letter in a text field

[Ian Thomas]

The mx.controls.TextInput component has the .textField property that I
mentioned in my second email.

Are you using spark.components.TextInput instead? In which case I
don't know, I'm afraid - haven't delved that deep into Spark yet.

Sorry!

Ian

On Mon, Aug 31, 2009 at 9:29 PM, Baz wrote:
>
>
> Hey Thanks Ian,
>
> I was just looking at that actually but TextInput doesn't seem to have it
> (Flex 4). I read that you can use:
>
> import mx.core.mx_internal;
> use namespace mx_internal;
>
> to access TextField and then getCharBoundaries() but that doesn't seem to
> work in Flex 4.
>
> Any ideas?
>
> Thanks,
> Baz
>
>
>
> On Mon, Aug 31, 2009 at 1:19 PM, Ian Thomas  wrote:
>>
>>
>>
>> Take a look at flash.text.TextField.getCharBoundaries() (and other
>> TextField methods).
>>
>> HTH,
>> Ian
>>
>> On Mon, Aug 31, 2009 at 8:53 PM, Baz wrote:
>> >
>> >
>> > Anyone know how to get the X/Y coordinates of a specific
>> > character/letter in
>> > a text field or text input?
>> >
>> > Thanks!
>> >
>> >
>
> 

Re: [flexcoders] How to get X, Y position/coordinates of a specific character/letter in a text field

[Ian Thomas]

Oh - sorry, should have said - you'll need to get at the .textField
property of (for example) your mx.controls.Text object, which will
give you back the raw flash.text.TextField for you to then call
getCharBoundaries() on it.

Unfortunately, .textField is a protected property of mx.controls.Text,
so can't be seen from outside the class.

The simplest way to get at it is to extend mx.controls.Text - build
your own component that inherits from Text. That will give you access
to the .textField property you need; then you can call methods on it
as appropriate.

HTH,
   Ian

On Mon, Aug 31, 2009 at 9:19 PM, Ian Thomas wrote:
> Take a look at flash.text.TextField.getCharBoundaries() (and other
> TextField methods).
>
> HTH,
>   Ian
>
> On Mon, Aug 31, 2009 at 8:53 PM, Baz wrote:
>>
>>
>> Anyone know how to get the X/Y coordinates of a specific character/letter in
>> a text field or text input?
>>
>> Thanks!
>>
>> 
>

Re: [flexcoders] How to get X, Y position/coordinates of a specific character/letter in a text field

[Ian Thomas]

Take a look at flash.text.TextField.getCharBoundaries() (and other
TextField methods).

HTH,
   Ian

On Mon, Aug 31, 2009 at 8:53 PM, Baz wrote:
>
>
> Anyone know how to get the X/Y coordinates of a specific character/letter in
> a text field or text input?
>
> Thanks!
>
> 

Re: [flexcoders] Create a directory

[Ian Thomas]

Use a server-side language of some sort to do the processing - e.g.
PHP, ASP or similar.

Ian

On Fri, Aug 28, 2009 at 3:01 PM,
christophe_jacquelin wrote:
>
>
> Hello,
>
> How to create a directory (and see if it exists) on the server from a flex
> application ?
>
> Thank you,
> Christopher,
>
> 

Re: [flexcoders] RegExpValidator Not working with code-behind

[Ian Thomas]

Geoff,
   Try:

public var validIPExpression:RegExp =
/^(([01]?[0-9]\{1,2\}|2[0-4][0-9]|25[0-5])\.)\{3\}([01]?[0-9]\{1,2\}|2[0-4][0-9]|25[0-5])$/;

instead.

Could be because by directly specifying the expression, the MXML->AS
parser correctly decides to treat it as a RegExp. But when directly
binding to the value, binding sees it just as a String.

HTH,
   Ian

On Thu, Aug 13, 2009 at 5:17 PM, Geoffrey wrote:
>
>
> We use the code-behind technique to attach AS to MXML. Doing this has caused
> an interesting issue with RegExpValidator. If the regular expression is
> defined in the AS file and contains a quantifier, it causes validation to
> act funky.
>
> In the following example, if you type about 20 zeroes into the IP field it
> goes from invalid, to valid, and back to invalid. Obviously it should be
> invalid after the first zero is typed and stay that way unless a proper IP
> is entered. However, if you take the same regExp string and put it in the
> MXML file it works as expected. Note that escaping or not escaping the { or
> } characters while the string is in the AS file has no effect on the
> validation.
>
> Test.mxml
> -
> http://www.adobe.com/2006/mxml";
> xmlns:local="*"
> minWidth="800" minHeight="600">
>
> 
>
> 
>
> MyComp.mxml
> ---
> 
> http://www.adobe.com/2006/mxml";
> xmlns:custom="*">
>
>  label="IP Address: "
> required="true">
> 
> 
>
>  expression="{validIPExpression}"
> source="{tiIPAddress}"
> property="text"
> trigger="{tiIPAddress}"
> triggerEvent="change"
> noMatchError="Invalid IP Address Format."/>
>
> 
>
> 
>
> MyCompScript.as
> ---
> package
> {
> import mx.containers.Form;
>
> public class MyCompScript extends Form
> {
> [Bindable]
> public var validIPExpression:String =
> "^(([01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])\.){3}([01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])$";
> //public var validIPExpression:String =
> "^(([01]?[0-9]\{1,2\}|2[0-4][0-9]|25[0-5])\.)\{3\}([01]?[0-9]\{1,2\}|2[0-4][0-9]|25[0-5])$";
> // Neither of the above work
>
> public function MyCompScript()
> {
> super();
> }
> }
> }
>
> Does this seem like a bug, or just a limitation introduced by using the
> code-behind technique?
>
> Thanks,
> Geoff
>
> p.s. Don't know what code-behind is?
> http://learn.adobe.com/wiki/display/Flex/Code+Behind
>
> 

Re: [flexcoders] This mailing list vs the forum.

[Ian Thomas]

On Thu, Aug 13, 2009 at 10:26 AM, Andriy Panas wrote:

> Forums in general are way superior to mailing lists to exchange the
> knowledge on the Internet.

My main issue with that is:
  Mailing lists are push. Forums are pull.

I'm on 6 or 7 different mailing lists. There's no way I'd get round to
visiting 6 or 7 different forums to see what's updated several times a
day; therefore I wouldn't ever read anything or answer anyone.

Ian

Re: [flexcoders] Re: How to run another air application from air application

[Ian Thomas]

On Thu, Aug 13, 2009 at 11:44 AM, vladakg85 wrote:
>
>
> Yes, but I don;t want to use framework. I have to make manual update. I have
> methods that check if there is new version on server,manually download new
> version from server, and manually run installer, but I recived this message.
>
> This application cannot be installed because this installer has been
> mis-configured. Please contact the application author for assistance.

Does the 0.2 .air file on the _server_ actually work properly when you
try to manually install it? If no, there's your problem right there.
:-)

Does the 0.2 downloaded .air file actually work properly when you try
to manually install it? If not, the download has gone wrong (nothing
to do with the update framework).

It the second case is true, try looking at the .air file contents in a
text editor - does it just contain some HTTP or PHP error data or
something? If a text editor doesn't reveal the answer, try a HTTP
monitor such as Charles to see if anything odd is going on with the
request/response. And try a byte-editor compare between your server
.air file and the downloaded .air file.

If the downloaded file _does_ work properly when manually installed,
then I'm afraid I don't know what's going on - would need more
context/test files.

HTH,
   Ian

Re: [flexcoders] Re: How to run another air application from air application

[Ian Thomas]

On Thu, Aug 13, 2009 at 11:07 AM, vladakg85 wrote:
>
>
> Hi, you help me a lot, but now I have some strange problem:
>
> This application cannot be installed because this installer has been
> mis-configured. Please contact the application author for assistance.

If you're having trouble rolling your own updater, perhaps you should
consider using the Air Update Framework which is supplied with the
Flex SDK?

There's information here:
http://www.adobe.com/devnet/air/articles/air_update_framework.html
http://blog.everythingflex.com/2008/08/01/air-update-framework/

HTH,
   Ian

Re: [flexcoders]Is it possible to write a googletalk client in AIR

[Ian Thomas]

I believe GoogleTalk uses the open XMPP format. There's an AS3 library
for XMPP here:

http://code.google.com/p/as3xmpp/

HTH,
   Ian

On Wed, Aug 12, 2009 at 9:16 PM, dorkie dork from
dorktown wrote:
>
>
> If so can you provide some guidance before hand? Thanks!
>
> 

Re: [flexcoders] Strange type-coercion error message! Ideas?

[Ian Thomas]

Looks like your objects belong to different ApplicationDomains.

By which I mean - object 1 is created from a class called
Tools.dal.dataObjects.dataInvestmentAllocation defined by module 1,
and object 2 is created from a class called
Tools.dal.dataObjects.dataInvestmentAllocation defined by module 2.

As far as Flex knows, they are _different classes_, because they are
defined in different ApplicationDomains.

To fix this, make sure your module loading code passes
ApplicationDomain.currentDomain, so the modules all share the same
definition space.

Hope that helps,
   Ian

On Wed, Aug 12, 2009 at 9:49 AM, nwebb wrote:
>
>
> TypeError: Error #1034: Type Coercion failed: cannot convert
> Tools.dal.dataObjects::datainvestmentallocat...@2d28301 to
> Tools.dal.dataObjects.dataInvestmentAllocation.
>
> This one has me a little stumped!
>
> The client's project is modular, and has a 'global' array of data objects.
> They access them a bit like this:
> var dataIA:dataInvestmentAllocation =
> Application.application._dataCollection.DataObjectGet("investmentAllocation");
>
> Every other object works in the same way without issues. In fact I'm
> fetching two data objects without issues directly before this.  The object
> I'm getting is in the array of objects, is of type dataInvestmentAllocation
> (excuse the casing!) and there is only one in the array, yet the error
> message seems to append an instance id to the type (?!).
>
> The only difference I can see is that with this object, it was created and
> added to the collection in the previous module (but as I said, it's there in
> the array, and it's put there way before I try to access it in the next
> module)
>
> Can anyone shed any light on this?
>
>
>
>
>
>
> 

Re: [flexcoders] How to run another air application from air application

[Ian Thomas]

Take a look at the flash.desktop.Update class - call the update()
method on the AIR file in question rather than using URLLoader().

There's a code snippet that does what you want here:
http://livedocs.adobe.com/flex/3/html/help.html?content=updating_apps_1.html

HTH,
   Ian

On Wed, Aug 12, 2009 at 8:24 AM, vladakg85 wrote:
>
>
> I have one air application. Now I want to make custom update (no default, I
> want my component) and I made it to download new application version to my
> app folder now I need to install it, but I don't know how to invoke
> newVersion.air from action script code???
> I try with this but doesn't work:
>
> var req:URLRequest = new URLRequest("file:///c:\Documents and
> Settings\vvucetic.newVersion.air");
> var rld:URLLoader = new URLLoader();
> rld.load(req);
>
> fscommand("exec", "file:///c:\Documents and
> Settings\vvucetic.newVersion.air");
>
> 

Re: [flexcoders] Adobe Air: open file with associated application

[Ian Thomas]

If you use flash.net.navigateToURL(someLocalFileURL), it will open via
your default browser. If the browser is configured correctly it will
open the documents in their appropriate applications.

HTH,
   Ian

On Tue, Aug 4, 2009 at 4:24 AM, Everson Alves wrote:
>
>
> Hello,
>
> Is there a way to make an Air application to open a file, let's say a *.doc
> or *.ppt with their associated applications?
>
> --
> Jhonny Everson
>
> 

Re: [flexcoders] Re: AIR app, need MouseMove events NOT bounded by screen

[Ian Thomas]

Tracy,
   Can't you take a different approach? This is for panning the map, yes?

   How about, every frame:

- if the mouseX is less than a certain amount (e.g. is in the left
third of the screen), pan your map left.
- if the mouseX is greater than a certain amount (e.g. the right third
of the screen), pan your map right.

You could add more complication than that - the further it is to the
edge of the screen, the higher the move acceleration or whatever.

That should get around your problem - not sure if it'll give you the
user experience you desire, but it could be worth trying.

HTH,
   Ian



On Fri, Jul 31, 2009 at 2:26 PM, Tracy Spratt wrote:
>
>
> Once the mouse pointer position hits a screen border, further attempts to
> move in that direction do not generate mouseMove events.  For example, put
> the pointer in the top left corner, and once you get (0,0), no more events
> are generated.  If you put the pointer on a border and wiggle it along that
> border, the changes in the other axis do generate events, but that doesn’t
> really help me.
>
>
>
> I do not know what is happening at the AIR runtime/OS/driver level, but the
> mouse and joystick have the same behavior at the application level.
>
>
>
>
>
> Tracy Spratt,
>
> Lariat Services, development services available
>
> 
>
> From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On
> Behalf Of Alex Harui
> Sent: Thursday, July 30, 2009 2:58 AM
> To: flexcoders@yahoogroups.com
> Subject: RE: [flexcoders] Re: AIR app, need MouseMove events NOT bounded by
> screen
>
>
>
>
>
> If the app is fullscreen, how can you miss any mousemoves?  Does the
> joystick continue to send events the AIR and the mouseMove doesn’t get sent
> or is it that the mouseMove doesn’t have different coordinates?
>
>
>
> Alex Harui
>
> Flex SDK Developer
>
> Adobe Systems Inc.
>
> Blog: http://blogs.adobe.com/aharui
>
>
>
> From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On
> Behalf Of Tracy Spratt
> Sent: Wednesday, July 29, 2009 9:31 PM
> To: flexcoders@yahoogroups.com
> Subject: RE: [flexcoders] Re: AIR app, need MouseMove events NOT bounded by
> screen
>
>
>
>
>
> Thanks, but my issue is that the AIR app is full screen.  And AIR does not
> provide any way to set the system cursor(mouse pointer) position.
>
>
>
> I think I have an interim solution that notes when the mouse position
> reaches a boundary and sends a message to the socket server which calls an
> OS level program to reset the cursor position.  As hoped, AIR recognizes
> this action and the next mouse move begins at the reset position.  I still
> have some wrinkles to work out but I think this will keep us going until we
> figure out something better.
>
>
>
> Tracy Spratt,
>
> Lariat Services, development services available
>
> 
>
> From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On
> Behalf Of Adrian Resa Jones
> Sent: Wednesday, July 29, 2009 1:04 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: AIR app, need MouseMove events NOT bounded by
> screen
>
>
>
>
>
> Do I understand correctly that you want to track when the mouse
> cursor/joystick leaves the Air App window? I don't see why you shouldn't be
> able to reset the x & y coordinates when they go off of the main application
> window. Not that logic always has anything to do with it. This is another
> one of those things that should be a given.
>
> Maybe this will help:
>
> http://nexus.zteo.com/2008/11/02/flex-how-i-worked-around-mouse_outs-inefficiencies/
>
> --- In flexcoders@yahoogroups.com, "Tracy Spratt"  wrote:
>>
>> This AIR app is to be embedded in a consumer electronics product. It is a
>> transparent UI that indirectly controls an underlying map application by
>> sending messages via sockets.
>>
>> The product actually has a joystick and not a mouse and one requirement is
>> that moving the joystick will cause the map to pan.
>>
>> In development, using a real mouse, when the mouse pointer hits a screen
>> boundary, MouseMove events are no longer dispatched in that direction. In a
>> corner, all events cease. This is causing me problems with continuing to
>> send messages to the application to continue panning.
>>
>> I am hoping the joystick will behave differently, but am also looking for
>> any other suggestions. I have considered using a timer to send repeated
>> increments (the back-end app only needs position deltas), but I haven't
>> figured out how to stop that.
>>
>> As far as I can tell, there is no way to set the position of the system
>> cursor. If I could reset the mouse x,y to some positive values when it
>> approached an edge, that would work as well.
>>
>> Is there anyway I can get "deeper" into the mouse event? If I could get a
>> generic "moving" event, that would also suffice.
>>
>> Any thoughts?
>>
>> Tracy Spratt
>>
>
> 




--
Flexcoders Mailing List
FAQ: htt

Re: [flexcoders] disable app turn gray then it is disabled

[Ian Thomas]

Try:

disabledOverlayAlpha="0"

in the MXML for your Application class.

or from AS3:

this.setStyle("disabledOverlayAlpha",0);

(assuming 'this' is referring to your Application class.)

HTH,
   Ian

On Thu, Jul 30, 2009 at 2:53 PM, Willy Ci wrote:
>
>
> I can't find any answer on the web.
>
> then I disable the app using this.enabled=false;
>
> this action also show a gray layer,
>
> is there anyway I can disable the app without the gray layer?
>
> thanks
>
> Willy
> 617-606-3437
> --
> 6 X 9 = 42
> http://www.wolframalpha.com/input/?i=meaning+of+life
> --
>
> 

Re: [flexcoders] AIR app as a controlled desktop

[Ian Thomas]

App switch (ALT+TAB on Windows, or APPLE+TAB on OSX) will get around that one.

I don't believe it's possible in AIR.

It _may_ be possible with one of the many available wrappers - e.g.
Northcode's SWF Studio:

http://www.northcode.com/swfstudio.php

HTH,
   Ian

On Wed, Jul 22, 2009 at 10:01 AM, Tom
Chiverton wrote:
>
>
> On Wednesday 22 Jul 2009, simonjpalmer wrote:
>> clicks? I want to be able to start my app, have it "take over" the user
>> experience, a bit like PowerPoint in presentation mode, and only go back
>> to
>
> You can't use full screen mode (ESC will always exit, right ?) - what about
> a
> window the size of the screen ?
>
> --
> Helping to enthusiastically harness advanced ROI as part of the IT team of
> the
> year, '09 and '08
>
> 
>
> This email is sent for and on behalf of Halliwells LLP.
>
> Halliwells LLP is a limited liability partnership registered in England and
> Wales under registered number OC307980 whose registered office address is at
> Halliwells LLP, 3 Hardman Square, Spinningfields, Manchester, M3 3EB. A list
> of members is available for inspection at the registered office together
> with a list of those non members who are referred to as partners. We use the
> word ?partner? to refer to a member of the LLP, or an employee or consultant
> with equivalent standing and qualifications. Regulated by the Solicitors
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>
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>
> This email is intended only for the use of the addressee named above and may
> be confidential or legally privileged. If you are not the addressee you must
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> delete it and notify Halliwells LLP IT Department on 0870 365 2500.
>
> For more information about Halliwells LLP visit www.Halliwells.com.
>
> 

Re: [flexcoders] Need help tranforming some XML

[Ian Thomas]

Hi Jason,
  Stepping through it, it works when you break that long line of E4X
into separate components.

(For some reason people seem to want to write really long E4X
statements - I'm not quite sure why...)

Like this, your loop works.

for each (var contentRowItem:XML in _contentXML..row)
{
   var moduleName:String = contentRowItem.Module;
   var topicXML:XML = new XML("");
   topicx...@title = contentRowItem.LinkTitle;
   // This e4x creates an XMLList, so pull off the first entry
   var module:XML=finalXML.module.(@title == moduleName)[0];
   // Likewise
   var 
topics:XML=module..subsection.(@title==contentRowItem.Subsection).topics[0];
   topics.appendChild(topicXML);
}

However - I'd include a bit of error checking for those XMLLists...

for each (var contentRowItem:XML in _contentXML..row)
{
   var moduleName:String = contentRowItem.Module;
   var topicXML:XML = new XML("");
   topicx...@title = contentRowItem.LinkTitle;
   var modulesList:XMLList=finalXML.module.(@title == moduleName);
   if (modulesList.length()!=1)
 throw new Error("Can't find single module with title:"+moduleName);

   var topicsList:XMLList=
modulesList[0]..subsection.(@title==contentRowItem.Subsection).topics;
   if (topicsList.length()!=1)
 throw new Error("Can't find single subsection with
title:"+contentRowItem.Subsection);

   topicsList[0].appendChild(topicXML);
}

My general approach to this type of stuff is: break it down. Store and
trace out each part of your e4x statement in a separate variable, bit
by bit. That'll show you where it's going wrong.

HTH,
   Ian

On Mon, Jun 22, 2009 at 5:54 PM, Merrill,
Jason wrote:
>
>
> Been wrestling with a script that transforms some XML from one schema to
> another for a while, and have most of the transformation working, but having
> a hard time wrapping my head around the last little bit.  Probably easy for
> some E4X XML gurus out there.  The original XML (built automatically by the
> sever-side app) is fairly flat and looks like this:
>
> (_contentXML)
>
> 
>
>   
>
>
>
>     
>
>   1
>
> iBuild
>
> Assumptions
>
>   Starting iRequire
>
>   To start iRequire, you will first need to do a few things,
> like create a user name and password.
>
>   Sanders, Larry
>
>   …etc.
>
>     
>
>
>
>     
>
>   2
>
> iDeliver
>
> Technical Constraints
>
>     …etc.
>
> What I need to do, is take it from that “flat” form, and based on the values
> of some of the nodes (,, and  values), make new
> more hierarchical XML that is based on the Module, Subsection, and Topic
> values in the XML, so that it looks like this:
>
> 
>
> 
>
>         
>
>         
>
>                 
>
>                     
>
>                          iRequire”>
>
>                             
>
>                                 To start
> iRequire, you will first need to do a…
>
>                             
>
> Sanders, Larry
>
>                     
>
>             
>
>             
>
>         
>
>         
>
>             
>
>                 
>
>             ..etc.
>
> I have it assembled this far, where the module nodes are created just fine,
> and the subsections are appearing under the right module with the right
> title attribute:
>
> (finalXML)
>
> 
>
> 
>
>         
>
>         
>
>                 
>
>                     
>
> 
>
>             
>
>                     
>
> 
>
>             
>
>         
>
>         
>
>             
>
>                 
>
> 
>
> 
>
>             
>
>                     
>
> 
>
> 
>
>                     
>
> 
>
> 
>
> 
>
> 
>
>             
>
>         
>
>         …etc.
>
> But what I can’t seem to get is that last part of how to insert the right
> topic data under each  node (Overview, ID, Author, etc).  I’d be
> happy enough just inserting the entire original  node into the right
>  node.  My current attempt looks like this:
>
> (finalXML is my “new“ XML and _contentXML is the original XML)
>
> for each (var contentRowItem:XML in _contentXML..row)
>
> {
>
>     var moduleName:String = contentRowItem.Module;
>
>     var topicXML:XML = new XML();
>
>     topicx...@title = contentRowItem.LinkTitle;
>
>     finalXML..module.(@title == moduleName)..subsection.(@title ==
> contentRowItem.Subsection).topics.appendChild(topicXML)
>
> }
>
> But with this approach, I get the error, “TypeError: Error #1086: The
> appendChild method only works on lists containing one item.” I’ve also tried
> some forms of theNode.setChildren and so many ways to loop m

Re: [flexcoders] Need help tranforming some XML

[Ian Thomas]

Oh *sigh* - mind the line breaks.

Ian

On Mon, Jun 22, 2009 at 6:25 PM, Ian Thomas wrote:
> Hi Jason,
>  Stepping through it, it works when you break that long line of E4X
> into separate components.
>
> (For some reason people seem to want to write really long E4X
> statements - I'm not quite sure why...)
>
> Like this, your loop works.
>
> for each (var contentRowItem:XML in _contentXML..row)
> {
>   var moduleName:String = contentRowItem.Module;
>   var topicXML:XML = new XML("");
>   topicx...@title = contentRowItem.LinkTitle;
>   // This e4x creates an XMLList, so pull off the first entry
>   var module:XML=finalXML.module.(@title == moduleName)[0];
>   // Likewise
>   var 
> topics:XML=module..subsection.(@title==contentRowItem.Subsection).topics[0];
>   topics.appendChild(topicXML);
> }
>
> However - I'd include a bit of error checking for those XMLLists...
>
> for each (var contentRowItem:XML in _contentXML..row)
> {
>   var moduleName:String = contentRowItem.Module;
>   var topicXML:XML = new XML("");
>   topicx...@title = contentRowItem.LinkTitle;
>   var modulesList:XMLList=finalXML.module.(@title == moduleName);
>   if (modulesList.length()!=1)
>     throw new Error("Can't find single module with title:"+moduleName);
>
>   var topicsList:XMLList=
> modulesList[0]..subsection.(@title==contentRowItem.Subsection).topics;
>   if (topicsList.length()!=1)
>     throw new Error("Can't find single subsection with
> title:"+contentRowItem.Subsection);
>
>   topicsList[0].appendChild(topicXML);
> }
>
> My general approach to this type of stuff is: break it down. Store and
> trace out each part of your e4x statement in a separate variable, bit
> by bit. That'll show you where it's going wrong.
>
> HTH,
>   Ian
>
> On Mon, Jun 22, 2009 at 5:54 PM, Merrill,
> Jason wrote:
>>
>>
>> Been wrestling with a script that transforms some XML from one schema to
>> another for a while, and have most of the transformation working, but having
>> a hard time wrapping my head around the last little bit.  Probably easy for
>> some E4X XML gurus out there.  The original XML (built automatically by the
>> sever-side app) is fairly flat and looks like this:
>>
>> (_contentXML)
>>
>> 
>>
>>   
>>
>>
>>
>>     
>>
>>   1
>>
>> iBuild
>>
>> Assumptions
>>
>>   Starting iRequire
>>
>>   To start iRequire, you will first need to do a few things,
>> like create a user name and password.
>>
>>   Sanders, Larry
>>
>>   …etc.
>>
>>     
>>
>>
>>
>>     
>>
>>   2
>>
>> iDeliver
>>
>> Technical Constraints
>>
>>     …etc.
>>
>> What I need to do, is take it from that “flat” form, and based on the values
>> of some of the nodes (,, and  values), make new
>> more hierarchical XML that is based on the Module, Subsection, and Topic
>> values in the XML, so that it looks like this:
>>
>> 
>>
>> 
>>
>>         
>>
>>         
>>
>>                 
>>
>>                     
>>
>>                         > iRequire”>
>>
>>                             
>>
>>                                 To start
>> iRequire, you will first need to do a…
>>
>>                             
>>
>> Sanders, Larry
>>
>>                     
>>
>>             
>>
>>             
>>
>>         
>>
>>         
>>
>>             
>>
>>                 
>>
>>             ..etc.
>>
>> I have it assembled this far, where the module nodes are created just fine,
>> and the subsections are appearing under the right module with the right
>> title attribute:
>>
>> (finalXML)
>>
>> 
>>
>> 
>>
>>         
>>
>>         
>>
>>                 
>>
>>                     
>>
>> 
>>
>>             
>>
>>                     
>>
>> 
>>
>>             
>>

Re: [flexcoders] Ideas / input greatly appreciated

[Ian Thomas]

There's this:

http://sourceforge.net/projects/flashlight-vnc/

HTH,
   Ian

On Fri, May 29, 2009 at 6:29 PM, Rick Winscot  wrote:
>
>
> You can create an account that allows 3 people to connect... for free (has
> this changed?). By ‘tall order’ I mean...
>
> 1. You cannot view a users desktop from Flash, Flex, or AIR
> 2. You cannot control the users computer (keyboard/mouse) from Flash, Flex,
> or AIR
>
> The only exception to this is Acrobat Connect – which uses a custom plugin
> to accomplish that feat. The only other alternative is to roll your own
> solution with a wrapper like Merapi to give you access to OS screen/input
> hooks which could be passed to AIR. A serious engineering effort to be sure.
>
> Flash <-> flash sharing (i.g. whiteboard) is possible if that is what you
> are trying to do... other than that you are out of luck. Have you looked at
> Flash VNC?
>
> http://www.darronschall.com/weblog/2005/11/flashvnc-released.cfm
>
> Alternatively, you could roll a hybrid solution: use Teamviewer for the
> remote viewing / control and then create a flex app that does all your
> custom pod stuffs.
>
>
> Cheers,
>
> Rick Winscot
>
>
> On 5/29/09 1:13 PM, "Allan Pichler"  wrote:
>
>
>
>
>
>
> But I was under the impression that connect pro is pretty expensive ???
>
> Anyone know of an AIR app for the screen sharing that is launched from the
> main app???
>
> --a
>
>
> From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On
> Behalf Of Rick Winscot
> Sent: Friday, May 29, 2009 10:06 AM
> To: flexcoders@yahoogroups.com
> Subject: Re: [flexcoders] Ideas / input greatly appreciated
>
>
>
>
>
>
> Screen sharing / remote control is a tall order for Flash based technologies
> at the present time. You might want to take a look at the Acrobat Connect
> Collaboration Builder SDK.
>
> http://www.adobe.com/devnet/acrobatconnect/articles/intro_sync_swf.html
>
> Cheers,
>
> Rick Winscot
>
>
> On 5/29/09 12:53 PM, "Allan Pichler"  wrote:
>
>
>
>
>
>
> Hi all.
>
> I’m trying to find a low cost solution to do 1<->1 screen sharing/remote
> control, preferably inside a flex application, alternatively as a popup
> window.
>
> The application also need some other collaboration widgets, so I was looking
> at Acrobat Connect, but I can’t find any information about customization of
> the user interface and adding new pods.
>
> Any help You can give is much appreciated!
>
>
> Best regards and have a nice day!
>
> Allan Pichler
> Brewmaster - ColdFusion/Flex/Ajax/UI
>
>
>
>
>
>
>
>
> 




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Re: [flexcoders] Strange error

[Ian Thomas]

That's a perfectly reasonable error. Both things compile to a class
called CustomSkin - and you can't have two classes in the same project
called CustomSkin.

Sounds like your sample project wasn't set up to compile - are you
sure whoever provided the project isn't just giving you two separate
examples of the same thing, one version in MXML, one version in AS? I
suspect you aren't supposed to be trying to compile the two together.

HTH,

Ian

On Wed, May 27, 2009 at 8:35 PM, markgoldin_2000
 wrote:
>
>
> I am getting the following error:
> Severity and Description Path Resource Location Creation Time Id
> D:\projects\sfcs\UFDCommonLib\src\CustomSkin.as and
> D:\projects\sfcs\UFDCommonLib\src\CustomSkin.mxml can't co-exist in the same
> directory. UFDCommonLib
>
> Why is that? I am using a sample project I got from the web and these files
> are in the same directory.
>
> Thanks for help.
>
> 

Re: [flexcoders] Re: How to optimise SWC to its minimal size?

[Ian Thomas]

You can use the 'externs' command-line option to the Flex compiler to
tell Flex to exclude specific classes - as long as you're sure that
your code _will_ have access to them at runtime.

Documentation here:

http://livedocs.adobe.com/flex/3/html/help.html?content=compilers_14.html

HTH,
   Ian

On Fri, May 22, 2009 at 4:13 PM, lytvynyuk  wrote:
>
>
> Any ideas? Hey, Flex gurus I know you are here! :)
>
> 

Re: [flexcoders] Re: Why would "as" keyword not work

[Ian Thomas]

Steve,
   My guess at what is going on - based on my limited understanding of
what you're doing - is:

- You have your class definition (DetailData) compiled in to your main
application and into your module.
- You load your module into your main application
- Because you have not specifed that you want your module to be in the
same ApplicationDomain as the main application, its class definitions
remain segregated from the main application's class definition.
- Your module creates the DetailData (whether on return from remoting
call or not) by instantiating it's own definition of DetailData (call
it class DetailDataA, if that helps).
- The event fires from your module to your application.
- Your event handler tries to cast the created object - which is of
type DetailDataA - to its _own_ definition of DetailData (call it
class DetailDataB). Hence your error.

No matter that the two class definitions are actually identical -
because they are not in the same ApplicationDomain, the code treats
them as separate.

Now, if you alter your module loading so that you pass in
ApplicationDomain.currentDomain as the domain you want the module to
load into, the problem should go away.
(ModuleLoader.applicationDomain=ApplicationDomain.currentDomain)

I hope that makes some sort of sense. Of course, I may have totally
misunderstood your situation!

HTH,
   Ian

On Thu, Apr 30, 2009 at 9:11 PM, valdhor  wrote:
>
>
> Alex - I have read your Modules presentation about twenty times so far as
> well as any other documentation I could find on Modules and Application
> Domains. I'm pretty sure I understand everything so far.
>
> Pedro - The ValueObject is only being used by this particular module - not
> by the application (Or any other module).
>
> Ian - All other modules work fine with the exchange data. Note that the
> exchange data and this value object are two different things. I am NOT
> passing this value object as part of the exchange data. The VO gets created
> from a remoteObject call.
>
> All the above being said, I think I have found my problem. The click event
> was handled in the renderer. This works fine in an application but does not
> seem to in a module. By moving the click handler to the datagrid component,
> the error disappears.
>
> This problem crept in whilst I was moving my monolithic app to a series of
> modules.
>
> Thanks for taking the time to push me in the right direction.
>
> Steve
>
> If anyone can enlighten me as to why click events in item renderers work
> differently in modules than applications, please do.
>
> --- In flexcoders@yahoogroups.com, Ian Thomas  wrote:
>>
>> As Pedro says - my guess would be that you are passing a DetailData
>> object from one module to the other when you haven't loaded the
>> modules in the same ApplicationDomain (or from one compiled .swf to
>> another, if you're not using modules).
>>
>> Take a look at the documentation for ApplicationDomain.
>>
>> HTH,
>> Ian
>>
>> On Thu, Apr 30, 2009 at 6:18 PM, Pedro Sena  wrote:
>> >
>> >
>> > Are you using modules?
>> >
>> > On Thu, Apr 30, 2009 at 2:17 PM, valdhor 
>> > wrote:
>> >>
>> >>
>> >> Hmmm. Looks like I misspoke. now I get...
>> >>
>> >> Type coercion failed. Cannot convert
>> >> Model.ValueObjects::detaild...@11c0a941 to
>> >> Model.ValueObjects.DetailData.
>> >>
>> >> What is the difference between a
>> >>
>> >> Model.ValueObjects::DetailData
>> >>
>> >> and a
>> >>
>> >> Model.ValueObjects.DetailData
>> >>
>>
>
> 

Re: [flexcoders] Re: Why would "as" keyword not work

[Ian Thomas]

As Pedro says - my guess would be that you are passing a DetailData
object from one module to the other when you haven't loaded the
modules in the same ApplicationDomain (or from one compiled .swf to
another, if you're not using modules).

Take a look at the documentation for ApplicationDomain.

HTH,
   Ian

On Thu, Apr 30, 2009 at 6:18 PM, Pedro Sena  wrote:
>
>
> Are you using modules?
>
> On Thu, Apr 30, 2009 at 2:17 PM, valdhor 
> wrote:
>>
>>
>> Hmmm. Looks like I misspoke. now I get...
>>
>> Type coercion failed. Cannot convert
>> Model.ValueObjects::detaild...@11c0a941 to Model.ValueObjects.DetailData.
>>
>> What is the difference between a
>>
>> Model.ValueObjects::DetailData
>>
>> and a
>>
>> Model.ValueObjects.DetailData
>>

Re: [flexcoders] AS3 loading AS2 getBounds() issue (SOLVED)

[Ian Thomas]

Followup on this issue for the archives...

Eder Fortunato from Brazil suggested setting _lockroot=true on App C.
This solves the problem.

Cheers,
   Ian

On Tue, Mar 11, 2008 at 8:22 PM, Ian Thomas <[EMAIL PROTECTED]> wrote:
> Alex,
>
>   It works correctly when app A loads app C directly.
>
>   As I said, the test sources are minimal. They contain no excess
>  code or dependencies.
>
>   I have tested this thoroughly in a number of scenarios and believe
>  it's a player error.
>
>   I have logged this as an error on Jira.
>
>  Thanks,
>  Ian
>
>
>
>  On Tue, Mar 11, 2008 at 7:57 PM, Alex Harui <[EMAIL PROTECTED]> wrote:
>
>  > Does it fail for app A loading app C directly?  Maybe there is some
>  > dependency in app C that isn't in app B like access to stage.  I won't have
>  > time to diagnose from your sources, so maybe someone else will take the
>  > time.
>  >
>

Re: [flexcoders] AS3 loading AS2 getBounds() issue

[Ian Thomas]

Alex,

  It works correctly when app A loads app C directly.

  As I said, the test sources are minimal. They contain no excess
code or dependencies.

  I have tested this thoroughly in a number of scenarios and believe
it's a player error.

  I have logged this as an error on Jira.

Thanks,
 Ian

On Tue, Mar 11, 2008 at 7:57 PM, Alex Harui <[EMAIL PROTECTED]> wrote:

> Does it fail for app A loading app C directly?  Maybe there is some
> dependency in app C that isn't in app B like access to stage.  I won't have
> time to diagnose from your sources, so maybe someone else will take the
> time.
>

Re: [flexcoders] AS3 loading AS2 getBounds() issue

[Ian Thomas]

Hello Alex,
   This is nothing to do with communication between the VMs.

As it happens, for our actual production app, we are using Grant
Skinner's SWFBridge to communicate via LocalConnection.

But the sample Zip I've provided shows the bug, and has nothing to do
with VM->VM communication - a simple Loader component shows the
problem.

To restate the simplest test case:

AS3 app A loads AS2 app B (via a Loader component)
AS2 app B loads AS2 app C (via MovieClipLoader)

MovieClip.getRect() and MovieClip.getBounds() _fail_ within app C, and
work within app B.

No communication (other than loading) required.

Thanks,
   Ian

On Tue, Mar 11, 2008 at 5:23 PM, Alex Harui <[EMAIL PROTECTED]> wrote:

> AS3 and AS2 are different VMs and cannot access each other.  LocalConnection
> or ExternalInterface can be used instead.  Google for "AS2 SWF Loader" for
> some existing solutions.

> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of Ian Thomas
>  Sent: Tuesday, March 11, 2008 3:13 AM
>  To: flexcoders@yahoogroups.com
>  Subject: [flexcoders] AS3 loading AS2 getBounds() issue
>
> Hi guys,
>
>  (This is an AS3 issue rather than Flex per se, but might be of interest.)
>
>  I've discovered a strange bug with the AS2 MovieClip.getBounds() and
>  MovieClip.getRect() methods.
>
>  As far as I can tell, it only happens in this situation:
>
>  AppA is an _AS3_ application. AppA loads AppB.
>  AppB is an AS2 application. AppB loads AppC.
>  AppC is an AS2 application.
>
>  If you run AppA, then any getBounds() or getRect() calls on objects in
>  AppC fail, but they work as expected in AppB.
>
>  (If you just run AppB, then everything works as expected.)
>
>  I've tried various variants of this; if, instead of loading AppB, you
>  embed it into AppA at compile-time, the problem still occurs. It
>  appears to be something to do with loading one VM1 movie into another
>  one within a VM2 shell.
>
>  For the curious, here's a Zip containing a minimal test setup:
>  http://www.wildwinter.net/public/getBoundsBug.zip
>
>  All suggestions for workarounds welcomed, as this is a real nuisance
>  for what we're currently working on.
>
>  (For reference, this is in Flash Player 9,0,115,0, using either Flex
>  compiler 2.01 or Flex Compiler 3.0 for the AS3 and using Flash 8.0 or
>  MTASC for the AS2.)
>
>  Cheers,
>  Ian
>

[flexcoders] AS3 loading AS2 getBounds() issue

[Ian Thomas]

Hi guys,

(This is an AS3 issue rather than Flex per se, but might be of interest.)

I've discovered a strange bug with the AS2 MovieClip.getBounds() and
MovieClip.getRect() methods.

As far as I can tell, it only happens in this situation:

AppA is an _AS3_ application. AppA loads AppB.
AppB is an AS2 application. AppB loads AppC.
AppC is an AS2 application.

If you run AppA, then any getBounds() or getRect() calls on objects in
AppC fail, but they work as expected in AppB.

(If you just run AppB, then everything works as expected.)

I've tried various variants of this; if, instead of loading AppB, you
embed it into AppA at compile-time, the problem still occurs. It
appears to be something to do with loading one VM1 movie into another
one within a VM2 shell.

For the curious, here's a Zip containing a minimal test setup:
http://www.wildwinter.net/public/getBoundsBug.zip

All suggestions for workarounds welcomed, as this is a real nuisance
for what we're currently working on.

(For reference, this is in Flash Player 9,0,115,0, using either Flex
compiler 2.01 or Flex Compiler 3.0 for the AS3 and using Flash 8.0 or
MTASC for the AS2.)

Cheers,
   Ian

Re: [flexcoders] REALLY wierd compiler problem, honest this is what happened!

[Ian Thomas]

I have had a similar (not compiler-related) problem on Vista which had me
just as puzzled:

Details here:
  http://wildwinter.blogspot.com/2007/04/aaagh-vista.html

But the basic result was that the problem was all to do with Vista's user
account
control; shadow-copying files unexpectedly.

If you're on Vista, it might be something to do with that.

If not - no idea, I'm afraid!

Ian

On Dec 15, 2007 8:58 AM, Giles Roadnight <[EMAIL PROTECTED]> wrote:

>   I've been working on a project at home for a few weeks now. I made
> quite a bit of progress last weekend and committed it all to CVS.
>
> Last night I went back to it to do some more work. There was a slight
> problem that an alert box had "Login Error" as a title rather than
> "Error" so I fixed that in the code and compiled the project.
> It still said "Login Error".
> I put some break points and traces in to make sure that I was looking
> at the correct bit of code. The break points fired but no traces
> appeared and the old variable value ("Login Error") was still there
> ven though I'd changed the code.
>
> Very Odd.
>
> I then cleaned the project, no difference. Checked out a fresh copy of
> the project, no difference. Tried it on a different computer, same thing.
>
> I then started removing bits of the project, I deleted module files,
> removed code that popped up the login dialogue, removed a component
> and the custom preloader. All I should get now is an empty panel with
> test as the title.
> I cleaned the project, made sure all the files in the output directory
> were gone and compiled - I STILL got the whole project as it had been
> to begin with.
>
> I tried lots of combinations of moving the build folder, cleaning ect
> and nothing worked.
>
> Has anyone ever had anyhtign like this? It really does seem impossible
> to me - I had deleted all the code and the compiled swfs. I have no
> idea where the swf were being generated from.
>
> This morning I have finally managed to fix it. I deleted everything
> except the default MXML file and everythgin within that except for the
> bare minimum. I then gradually added the assets back in and I now have
> it all working again (and it says "Error" rather than "Login Error").
>
> I have no idea what happened. It would be good to hear that I'm not
> goign mad.
>
> Thanks
>
> Giles
>
>  
>

Re: [flexcoders] Replace color in animation?

[Ian Thomas]

Bjorn,
   If all of the areas you want to change (e.g. the red areas of the image)
are exported as a single sub-movie-clip of the overall movie-clip, you can
use the flash.geom.ColorTransform class to change the colour of everything
in that subclip.

  That works for us.

Hope that's helpful,
   Ian

On Nov 15, 2007 11:51 AM, bjorn - <[EMAIL PROTECTED]> wrote:

>   Ok, this is maybe a bit offtopic but I'll give it a shot anyway -- We
> get vector animations created in Illustrator from a design shop, which we
> convert to MovieClips and use in flash.
>
> What I would like to do is replace a specific color in flash in runtime.
> E.g. if it's a car I'd like to be able to specify it's color as blue
> instead of red.
>
> Is this possible?
>
> --
>

Re: [flexcoders] Re: Croping area

[Ian Thomas]

You're quite right, Jon - I'd completely forgotten that reverse order could
cut out from a shape.

Ian

On 10/24/07, Jon Bradley <[EMAIL PROTECTED]> wrote:
>
>   Creating multiple versions of an image is a bit much on the overhead.
> Plus, you don't have the capability of doing a white wash, or dark wash, or
> custom color overlay for the crop.
>
> In my applications I've written a an 'overlay' class. It's is a filled
> rectangle drawn in clockwise fashion, with an inner rectangle drawn in
> reverse order (matching the crop box transformation).
>
> This is pretty easy to do.  Just write a new function that will draw a
> rectangle in reverse order (counter-clockwise) and do something like the
> following:
>
> overlay.beginFill()
> overlay.drawRect( image rectangle, false); // where false means draw
> normal, or clockwise
> overlay.drawRect( crop rectangle, true) // draw it reverse making a hole
> overlay.endFill()
>
> So, in short, don't use another image because you'll overcomplicate
> things, imho.
>
> Use reverse fills as holes since it's faster and gives you more
> flexibility on the look.
>
> Anz --- any possibility we can take a look at your version of the
> picnic-style crop tool?
>

Re: [flexcoders] Re: Croping area

[Ian Thomas]

Hi Anzer,
   I'd do something like:

- on CLICK on the frontmost image, install a MOUSE_MOVE listener to start
listening to MOUSE_MOVE events
- on MOUSE_MOVE, adjust the x and y of your mask clip (not the image itself)
appropriately.
- on RELEASE on the frontmost image, uninstall the MOUSE_MOVE listener

That's the basics of it, I think.

Hope that points you in the right direction,
   Ian- Hide quoted text -


On 10/24/07, mailtoanzer <[EMAIL PROTECTED]> wrote:

>  Thank you for the reply.
> I tried your solution but I couldnt make the crop area draggable. I am
> trying to do something similar to the crop tool in
> http://www.picnik.com/.  My crop area is not
> resizable but the whole
> image can be scaled by dragging the corners.
> I have completed the scaling of image and cropping, the only thing
> remaining is the alpha for image area except croping area.
>
> Please let me know if there is any solution
>

Re: [flexcoders] Croping area

[Ian Thomas]

Hi Anzer,
   Have two copies of your image; one set to 0.5 alpha and one in front of
that set to 1.0 alpha.

   Use a rectangular mask on the image in front (DisplayObject.mask)

   That should do it.

Ian

On 10/24/07, Anzer <[EMAIL PROTECTED]> wrote:
>
>Hi,
>
> I am working in an image manipulation application and I have almost
> finished with that.
>
> Now I have a problem with image cropping UI.
>
>
>
> I want to make the image shaded (alpha = .5) except what seen through the
> crop area. The crop area is draggable. Please give suggestions to do this
>

Re: [flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Fine - that'll work just as well.

Ian

On 10/23/07, Alex Harui <[EMAIL PROTECTED]> wrote:
>
>That's fine.  We wouldn't do what you suggested though, we'd use
> IClassFactory in more places
>

Re: [flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Hi Alex,
   I've submitted this as a feature request on the Flex tracker.

   As an aside, the simplest solution is (I think) a very straightforward
change to the Flex API. If the expected data fields were extended so that as
well as 'icon' you passed in 'iconArguments' and those arguments, if
present, were used as arguments to the asset constructor it would solve it
all. And I don't think it would impact performance appreciably - the only
difference is that internally Flex would call new SomeAssetClass(someArgs)
instead of new SomeAssetClass(). The parameterisation of those constructors
would open up so much more potential.

Cheers,
   Ian

On 10/23/07, Alex Harui <[EMAIL PROTECTED]> wrote:
>
>If we can figure out a way to allow this in the future, we will.  You
> aren't the first person to ask for it.  When we wrote 2.0, we were so
> worried about performance we made assumptions that skipped levels of
> indirection like the one you want.
>
>
>

Re: [flexcoders] Dynamic class creation?

[Ian Thomas]

Alex - again, thanks. Please see the other thread for a much fuller
explanation.

Cheers,
  Ian

On 10/22/07, Alex Harui <[EMAIL PROTECTED]> wrote:
>
>I repeat: the recommended practice is to use a custom itemRenderer.
>
>
>

Re: [flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Thanks Alex.

Bitmaps are only an example, here - any kind of derived Asset class suffers
from
the same issues.

I can understand your comments about CSS skinning etc.; and that the Flex
framework is
designed for embedding.

The particular situation I am working in requires - specifically - that
image data in data-driven elements - for example, a TileList - is not from
embedded images, but is from runtime-generated images (whether they are
bitmaps or not is immaterial - I was using bitmaps
as an example).

And we are in the process of building a framework that is completely
agnostic about where resources come from - from embeds, from external
libraries, from user-generated code, from cloning other resources, from
ByteArrays fetched across sockets etc.

As I'm sure you can see, making that resource framework play nicely with
existing (or future) Flex components is very much on the agenda, and we'd
prefer not to have to customize existing Flex components (even via
ItemRenderers etc.) if we can just use them out of the box. (This is an API
which is being handed to other coders, and should therefore be as clean as
possible).

At the root of it all, I do find it odd that if I have dynamically
generated, say, a BitmapAsset (without embedding) that I can't just pass it
into a Flex Component at the point at which it needs a BitmapAsset. The
trouble is, Flex needs a Class, and all I have is a (perfectly valid)
instance. That seems wrong. It seems there should be some way of me being
able to go backwards from my instance and find the original class. And there
is, of course, but it's useless to just pass a vanilla BitmapAsset class in
to Flex because you'll end up with a blank bitmap.

Hence my problem. :-)


On 10/22/07, Alex Harui <[EMAIL PROTECTED]> wrote:
>
>Anyway, if you absolutely have to do this, and you know the total
> number of different assets you are going to create, you can make different
> Bitmap subclasses that clone their bitmap data at instantiation time and
> assign the dynamic assets to those Bitmap subclasses.
>





 --
>




I don't quite get this - could you possibly expand on it further?

Thanks,
   Ian

Re: [flexcoders] Dynamic class creation?

[Ian Thomas]

Dan,
   Thanks for that; I don't think so (I'd already looked at it). As far as I
can see it's only useful for things expecting a ClassFactory, not a Class.

Cheers,
   Ian

On 10/22/07, Daniel Freiman <[EMAIL PROTECTED]> wrote:
>
>   Fill ClassFactory work?
>
> http://livedocs.adobe.com/flex/201/langref/mx/core/ClassFactory.html
>
> - Dan Freiman
>
>

Re: [flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Thanks Arul - I've wrestled with it for about 6 hours now and am going to
take a break for the night.

A bunch of different avenues seem to be closed off:
- You can't subclass Class
- You can't replace the constructor() function of a class
- You can't set any static data on the Class instance that you return,
because that static data will apply to _all_ objects calling the
constructor.
- You can't clone a Class (effectively creating a new Class object
dynamically)
- You can't call new() on a Class

and as said before
- You can't pass a Function as the constructor as you could in AS2, or
replace the constructor as you could in AS2

Ideally what we're looking for is some sort of ClassFactory or ClassProxy
that can be passed as a Class. But because you can't subclass Class, that's
looking impossible.

I've taken a look at the native serialisation but can't see anything obvious
there.

Ben Stucki actually suggested creating a .swf on-the-fly in memory (as a
ByteArray) - and including a new, dynamically created class in it - then
loading it as a class library using Loader. That's a possibility, but it's
going to be both tricky, asynchronous (I'm guessing!), inelegant and
(comparatively) slow.

Hopefully some brainwave will come to me overnight. :-)

Cheers,
   Ian

On 10/22/07, Arul <[EMAIL PROTECTED]> wrote:
>
>Dear Ian,
>
> Thanks for the links
>
> Right now I'm stuck in the same place as Josh Tynjala . old school style
> Function prototypes are not treated as Class. since flex components expect a
> class it fails
> But I'm going to dig further in the morning (now its 1 am in Singapore)
>
> Regards,
> Arul
>
>
>

Re: [flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Thank you, Alex.

But as I said, that's what I'm trying to avoid doing; it means that I can't
supply runtime-created asset data via any other means than
rewriting/extending every single Flex component that I need to do it for.

That seems completely backwards, and seems an ill-thought-out strategy in
the creation of the Flex framework.

Ian

On 10/22/07, Alex Harui <[EMAIL PROTECTED]> wrote:
>
>You would write a custom itemRenderer to show bitmaps instead of class
> instances.
>
>
>  --
>
> *From:* flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] *On
> Behalf Of *Ian Thomas
> *Sent:* Monday, October 22, 2007 8:47 AM
> *To:* flexcoders@yahoogroups.com
> *Subject:* Re: [flexcoders] Take two: dynamic asset creation
>
>
>
> Thanks Arul,
>   The more I delve in to this and experiment with it the more I'm
> beginning to think it's not possible.
>
> Ben Stucki has an interesting post on a similar solution:
> http://blog.benstucki.net/?p=42
>
> But it relies on you needing to know exactly which component container the
> resulting object is destined for, and that won't work in TileLists (because
> ItemRenderers get reused).
>
> Josh Tynjala has a slightly different solution:
> http://www.zeuslabs.us/2007/09/28/actionscript-3-bitmap-image-classes-with-functions-and-loaders
>
>
> But it hits the same issue that I did, which is that in AS3
> Function!=Class any more.
>
> It feels like it _ought_ to be easy.
>
> If it's really true that we can't use runtime-created assets with the Flex
> framework without handrolling a load of different ItemRenderers or creating
> our own subclasses of the Flex components, then that's very depressing and
> seems ill-thought-out. :-(
>
> Cheers,
> Ian
>

Re: [flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Thanks Arul,
  The more I delve in to this and experiment with it the more I'm beginning
to think it's not possible.

Ben Stucki has an interesting post on a similar solution:
http://blog.benstucki.net/?p=42

But it relies on you needing to know exactly which component container the
resulting object is destined for, and that won't work in TileLists (because
ItemRenderers get reused).

Josh Tynjala has a slightly different solution:
http://www.zeuslabs.us/2007/09/28/actionscript-3-bitmap-image-classes-with-functions-and-loaders


But it hits the same issue that I did, which is that in AS3 Function!=Class
any more.

It feels like it _ought_ to be easy.

If it's really true that we can't use runtime-created assets with the Flex
framework without handrolling a load of different ItemRenderers or creating
our own subclasses of the Flex components, then that's very depressing and
seems ill-thought-out. :-(

Cheers,
Ian

On 10/22/07, Arul <[EMAIL PROTECTED]> wrote:
>
>Dear Ian,
>
> I understand your use-case, I also needed something similar
>
> Let me do a quick experiment and get back to you on this
>
> Regards,
> Arul
>
> www.shockwave-india.com/blog/
>
>
>
>
> - Original Message -
> *From:* Ian Thomas <[EMAIL PROTECTED]>
> *To:* flexcoders@yahoogroups.com
> *Sent:* Monday, October 22, 2007 10:43 PM
> *Subject:* [flexcoders] Take two: dynamic asset creation
>
>  Here's an easier way to explain the problem I posted about earler.
>
> If I create some BitmapAssets manually rathern than using embed:
>
> var b1:BitmapAsset=new BitmapAsset(someBitmapData1);
> var b2:BitmapAsset=new BitmapAsset(someBitmapData2);
> var b3:BitmapAsset=new BitmapAsset(someBitmapData3);
>
> How do I then pass them to something like a TileList, which expects an
> icon property of type Class:
>
> var rowData:Object={label:"Some Label",icon:WhatGoesHere};
>
> Where WhatGoesHere can't be BitmapAsset (that just produces an empty
> bitmap). Nor can it be b1, because that's not of type Class.
>
> The goal here is to achieve this without creating a new ItemRenderer.
>
> Thanks in advance,
> Ian
>
>  
>

[flexcoders] Take two: dynamic asset creation

[Ian Thomas]

Here's an easier way to explain the problem I posted about earler.

If I create some BitmapAssets manually rathern than using embed:

var b1:BitmapAsset=new BitmapAsset(someBitmapData1);
var b2:BitmapAsset=new BitmapAsset(someBitmapData2);
var b3:BitmapAsset=new BitmapAsset(someBitmapData3);

How do I then pass them to something like a TileList, which expects an icon
property of type Class:

var rowData:Object={label:"Some Label",icon:WhatGoesHere};

Where WhatGoesHere can't be BitmapAsset (that just produces an empty
bitmap). Nor can it be b1, because that's not of type Class.

The goal here is to achieve this without creating a new ItemRenderer.

Thanks in advance,
Ian

Re: [flexcoders] Dynamic class creation?

[Ian Thomas]

Hi Christophe,
   Unfortunately not, but thanks.

   To explain, I'll copy a response email that I just posted to Flash_tiger:

-

I know of getDefinitionByName, but that won't work for me as I'm not
returning back different class definitions - I'm returning the _same_ class
definition each time, but want to parameterise it.

As to why I'm doing this / what I'm hoping to achieve...

I'm writing a framework that integrates with the Flex components but which
is agnostic about where its assets come from. I have (for example) a
BitmapData object - never mind how I got it - and want to be able to
transform it into a BitmapAsset class to pass to (say) a TileList.

To do that I need to be able to pass a Class rather than an instance - a
descendant of BitmapAsset.

I can't pass new BitmapAsset(bitmapData), because that's an instance, not a
class. I can't pass just BitmapAsset, because it doesn't have the relevant
bitmapData and has no way of getting it. I need to pass some sort of dynamic
class or class function which can have new X() called on it and is
parameterised with the appropriate bitmapData.

Does that make any sense?



Thanks,
Ian

On 10/22/07, Christophe Herreman <[EMAIL PROTECTED]> wrote:
>
>   Hi Ian,
>
> maybe this will solve your problem (if I understood correctly):
> var clazz:Class = getDefinitionByName("com.domain.MyClass") as Class;
>
>
> http://livedocs.adobe.com/flex/2/langref/flash/utils/package.html#getDefinitionByName()
>
> regards,
> Christophe
>

[flexcoders] Dynamic class creation?

[Ian Thomas]

Hi all,

  Got a bit of a tricky problem here that I'm banging my head against...

  If you assume I have some function that returns a Class object - for
example:

  getAssetClass(id:String):Class

  This returns a Class object which, at some future time, will be called
with new SomeClass() to construct an instance of an object.

  Let's assume that the body of the function looks something like this:

  function getAssetClass(id:String):Class
  {
 return GenericAssetClass;
  }

  However, the actual behaviour I need changes depending on the value of
'id'. Effectively what I want to happen is for the returned class to
be parameterised in some way - so that when new SomeClass() is called it
evaluates to new GenericAssetClass(id).

  In AS2, this was possible because constructors were just functions. I
could happily say:

  function getAssetClass(id:String):Function
  {
 return function():Object {return new GenericAssetClass(id);}
  }

 However, in AS3 this won't work, as Class is quite a different thing from
Function.

 Changing GenericAssetClass.prototype.constructor doesn't help, as it's
static and applies to all instances of GenericAssetClass.

  Doing something like this:

  function getAssetClass(id:String):Class
  {
 GenericAssetClass.id=id;
 return GenericAssetClass;
  }

 class GenericAssetClass
 {
   public static id:String;
   public function GenericAssetClass()
   {
  // Do something that depends on 'id'
   }
}

won't help either, because as soon as you change the static
GenericAssetClass.id, that change applies to all the constructors you've
handed out.

I could do something like this:

  function getAssetClass(id:String):Class
  {
 if (id=="id1")
 return GenericAssetClass1;
 else if (id=="id2")
return GenericAssetClass2;
// etc. as required
  }

but the trouble is that there is only one, parameterised GenericAssetClass
and I can't define all the options up front - it truly is dynamic.

*sigh*

I've a feeling this ought to be possible, I just can't for the life of me
think how. Is there any way I can hook into the new Class() call somewhere?
Or uniquely identify each reference to GenericAssetClass that I've handed
out, so that I can use a lookup table during the construction phase?

Thanks in advance,
Ian

Re: [flexcoders] Caret position

[Ian Thomas]

Daniel,
  *sigh* Thanks very much. Now I feel really stupid. :-)

  But also very grateful, as for a while I thought that Adobe had missed
out that functionality, for some strange reason. :-)

Cheers,
  Ian

On 08 Apr 2007 08:41:02 -0700, Daniel Freiman <[EMAIL PROTECTED]> wrote:


  Try setSelection().

- Daniel Freiman
nondocs? 

[flexcoders] Caret position

[Ian Thomas]

Hi folks,
  Is there any way to set the caret position (or the selection) in a
TextField object?

All three of the relevant properties - caretIndex,
selectionBeginIndex, selectionEndIndex - are read-only.

  Any ideas?

  Thanks,
Ian

Re: [flexcoders] an as3 zip library

[Ian Thomas]

Brilliant - thanks David.

Ian

On 3/5/07, David Chang <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I had put together a small library for handling zip files and thought
> I'd share it.  Anyways if you're interested, you can find more info at
> http://nochump.com/blog/?p=15
>
> David

Re: [flexcoders] Flex/Flash on The iPhone ?

[Ian Thomas]

Pretty sure. Watch the 'image zoom' movie - putting two fingers on the
screen and moving them apart zooms the image...

Ian

On 1/10/07, Merrill, Jason <[EMAIL PROTECTED]> wrote:


 The same way Safari does.  (but are you sure there are multiple
simutaneous mouse events in the iPhone?)


Jason Merrill
Bank of America
Learning & Organizational Effectiveness

Re: [flexcoders] Re: SEO Compatibility

[Ian Thomas]

On 12/28/06, Kevin Newman <[EMAIL PROTECTED]> wrote:


What you have described is basic deep linking, but does not solve the
problem I have been attempting to articulate. Regardless of what goes on
on the server, if you enter some path info after the .com part of the
url, the server thinks it is getting its data from that location
(foo.com/bar/ for example).



Not quite true. You can use mod_rewrite (on Apache) to chop up the URL -
everything after the foo.com/  can be altered internally to be a request to
something else entirely, without affecting the  browser.

e.g. the client enters foo.com/bar/monkey

internally, mod_rewrite alters it to foo.com/index.php?page=bar/monkey, but
the user still sees foo.com/bar/monkey in his browser.

I've done it lots, I know it works. :-)

You can then enter your application at any point you like based on a
complete URL - e.g. passing it through to Flash as flashvars via PHP.

But as you say, unless we then update the browser's location bar when we
move through the app, it doesn't help much. :-)

Cheers,
 Ian

Re: [flexcoders] Re: SEO Compatibility

[Ian Thomas]

On 12/17/06, Claus Wahlers <[EMAIL PROTECTED]> wrote:



> PLUS.. ;) I'd be interested in how Ajax applications handle SEO, as they
> likely face the same, or similar problems.

Ok, Ajax apps probably don't face as much problems as Flex apps as the
displayed data is HTML and contains links that spiders can follow, so
disregard this.



No, actually, you're quite right, Claus. A lot of data is displayed in AJAX
by a Javascript function loading data via an XMLHttpRequest object, and
writing the contents of the request into the current document. Spiders won't
be able to follow the links in the Javascript functions, and so won't see
the results.

Ian

Re: [flexcoders] Tamarin, Adobe open source the Flash player ?

[Ian Thomas]

Hi Tom,
  Just came across the same thing myself - that's a stunning
contribution, if I'm reading it right.

  It basically looks like Adobe are providing the source of the AVM2
bytecode interpreter/runtime engine to Mozilla so that Mozilla can use
it as the execution engine for their ECMAscript/Javascript engine
(SpiderMonkey).

  Doesn't look like open sourcing the Flash player, I'm afraid tho'. :-)

Ian

On 11/7/06, Tom Chiverton <[EMAIL PROTECTED]> wrote:
> (http://www.adobe.com/aboutadobe/pressroom/pressreleases/200611/110706Mozilla.html)
>
> I can't work out if this is effectively open souring the Flash Player (as Sun
> is doing with Java) or not.
>
> It seems they've opened up the bits that take Flash bytecode (a .swf) and turn
> it into native code inside a plugin.
> I think ( Mozilla FAQ: "Source code [for] ActionScript Virtual Machine
> (AVM2) ... in Adobe Flash Player 9, including the Just In Time (JIT) runtime
> compiler" ).
>
> The Mozilla FAQ isn't the clearest thing I've read this morning, but I've only
> had one tea, so does anyone else want to try ?
>


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Re: [flexcoders] Loading AVM1 content into AVM2

[Ian Thomas]

On 9/17/06, Daniel Wabyick <[EMAIL PROTECTED]> wrote:
>
> Yeah, I just reproduced your bug ... Seems like the reference to _root
> gets screwed up on subsequent calls. What's *really* interesting ... If
> I comment out the cleanup in your AVMLoader class, I can *crash* Eclipse ...
>
> if (_loader!=null)
> {
> //_loader.unload();
> //removeChild(_loader);
> //_loader=null;
>}

Wow - yes. Certainly Firefox crashes if I comment it out; I don't know
if that's the same issue you were having. I'll make sure that gets
filed, too. Thanks.

> Note that your publish path for your FLA is
> incorrect. It should be bin/AVMTestMovie.swf but its bin/AVMMovie.swf.

Whoops - thanks; I renamed it to make things a bit clearer just before
I made the archive (of course!)

Cheers,
  Ian


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Re: [flexcoders] Loading AVM1 content into AVM2

[Ian Thomas]

I've created a pared-down test application to see how easy the problem
is to reproduce - and passed it to Adobe.

I haven't found exactly the same problem, but have got something
similar, and no less worrying.

My new test app consists of a panel and a button. When you press the
button, it loads an AVM1 movie into a Loader() class; the AVM1 movie
outputs some debug information into a text field and creates an
instance of a class (which outputs more debug information).

The first time you press the button, all works as expected.

The second time, the loading works, and all the debug information is
correct, but the constructor of the class is never called - even
though the class instance does appear to be created.

I've no idea what's going on, but if anyone feels like taking a look
at the test code it can be found here:
http://www.wildwinter.net/public/files/AVM1Test.zip

Cheers,
  Ian

On 9/16/06, Ian Thomas <[EMAIL PROTECTED]> wrote:
> Hi Daniel,
>   Thanks for that. If I understand you correctly, you're suggesting creating
> a known LocalConnection which acts as an 'ID server' in AVM2.
>
>   I had thought about something similar.
>
>   The issue is that I can't see how the pairing up works between an
> AVM1Loader (the AS3 component) and it's contained AVM1 movie. I can
> understand using a known point for the AVM1 movie to talk to, but can't see
> how you can guarantee that the right IDs can be guaranteed to be known by
> both parent and child if, for example, two such pairs are being created at
> the same time. You can't queue it - e.g. FIFO - because you can't guarantee
> that the first AVM1 movie loads faster than the second. And you can't even
> do it by URL mangling or somesuch, because we might be dealing with loading
> the same movie into two different components (which is the case in my
> setup).
>
>   Additionally, I think the known server fails if (for example) two copies
> of the same Flex app were running at the same time - although I guess you
> could get around that by querying LC_DAEMON to see if it already exists
> before creating it.
>
>   I'll play around with the idea and see if I can make sense of it; unless
> you've any other light to shed. :-)
>
>   Thanks for the Adobe info - I'll create a simple test case and drop a note
> to them.
>
> Cheers,
>   Ian
>
>
> On 9/16/06, Daniel Wabyick <[EMAIL PROTECTED]> wrote:
> >
> >
> >
> >
> >
> >
> >
> >
> > That most definitely sounds like a bug ... I think the following would
> > work:
> >
> > - Create a class LocalConnectionDaemon in AVM2 that is connected under a
> > hardcoded LC name. ( e.g. "LC_DAEMON" );
> >
> > - Create a class LocalConnectionDaemon in AVM1 that does the following:
> > - Generates a unique LocalConnection URL based on the
> > current-time-millis ( e.g. var clientId:String = "LC_CLIENT_1324343243243"
> )
> > - Send a command to LocalConnectionDaemon via - LC_SERVER ..
> > createClient( clientId )
> > - Listen for a command (on that same LocalConnection, or one the
> > server can figure out) called onClientCreated( otherClientId:String )
> >
> > - LocalConnectionDaemon should have a method "createClient(
> > clientId:String )" that takes the ID, and transforms it to a guaranteed
> > unique name
> > (e.g. var newClientId:String = clientId + "_AVM2") and sends
> > onClientCreated( newClientId );
> >
> > Definitely more painful, but doable. I should point out that one big
> > issue with LocalConnection is that messages are limited to 40kb. You may
> > need to chunk your requests over if they are large.
> >
> > Also, just thought this would be a good time to point out Adobe's
> > bug-report / wishlist page. If you send them a *reproducable* bug
> > report, they will get back to you very quickly:
> >
> >
> http://www.adobe.com/cfusion/mmform/index.cfm?name=wishform
> >
> > Regards,
> > -D
> >
> >
> > Ian Thomas wrote:
> > >
> > > Hi guys,
> > >
> > > I've hit a huge hurdle when trying to communicate between AVM1 and AVM2.
> > >
> > > I've been trying to create a component - call it AVM1Loader - which
> > > will allow simple communication between an AVM2 flex app and a
> > > contained AVM1 file.
> > >
> > > In theory, it's pretty simple:
> > >
> > > - Use Loader to load the file.
> > > - Create a LocalConnection for AVM2 to talk to AVM1
> > > - Create a LocalConnection for AVM1 to talk to AVM2
>

Re: [flexcoders] Loading AVM1 content into AVM2

[Ian Thomas]

Hi Daniel,  Thanks for that. If I understand you correctly, you're suggesting creating a known LocalConnection which acts as an 'ID server' in AVM2.  I had thought about something similar.  The issue is that I can't see how the pairing up works between an AVM1Loader (the AS3 component) and it's contained AVM1 movie. I can understand using a known point for the AVM1 movie to talk to, but can't see how you can guarantee that the right IDs can be guaranteed to be known by both parent and child if, for example, two such pairs are being created at the same time. You can't queue it - 
e.g. FIFO - because you can't guarantee that the first AVM1 movie loads faster than the second. And you can't even do it by URL mangling or somesuch, because we might be dealing with loading the same movie into two different components (which is the case in my setup).
  Additionally, I think the known server fails if (for example) two copies of the same Flex app were running at the same time - although I guess you could get around that by querying LC_DAEMON to see if it already exists before creating it.
  I'll play around with the idea and see if I can make sense of it; unless you've any other light to shed. :-)  Thanks for the Adobe info - I'll create a simple test case and drop a note to them.Cheers,
  IanOn 9/16/06, Daniel Wabyick <[EMAIL PROTECTED]> wrote:













  




That most definitely sounds like a bug ...  I think the following would 
work:

- Create a class LocalConnectionDaemon in AVM2 that is connected under a 
hardcoded LC name. ( e.g. "LC_DAEMON" );

-  Create a class LocalConnectionDaemon in AVM1 that does the following:
- Generates a unique LocalConnection URL based on the 
current-time-millis ( e.g. var clientId:String = "LC_CLIENT_1324343243243" )
- Send a command to LocalConnectionDaemon via - LC_SERVER  .. 
createClient( clientId )
- Listen for a command (on that same LocalConnection, or one the 
server can figure out) called   onClientCreated( otherClientId:String )

- LocalConnectionDaemon should have a method  "createClient( 
clientId:String )" that takes the ID, and transforms it to a guaranteed 
unique name
(e.g.  var newClientId:String = clientId + "_AVM2") and sends  
onClientCreated( newClientId );
 
Definitely more painful, but doable.  I should point out that one big 
issue with LocalConnection is that messages are limited to 40kb. You may 
need to chunk your requests over if they are large.

Also, just thought this would be a good time  to point out Adobe's  
bug-report / wishlist page. If you send them a *reproducable*  bug 
report, they will get back to you very quickly:

http://www.adobe.com/cfusion/mmform/index.cfm?name=wishform

Regards,
-D

Ian Thomas wrote:
>
> Hi guys,
>
> I've hit a huge hurdle when trying to communicate between AVM1 and AVM2.
>
> I've been trying to create a component - call it AVM1Loader - which
> will allow simple communication between an AVM2 flex app and a
> contained AVM1 file.
>
> In theory, it's pretty simple:
>
> - Use Loader to load the file.
> - Create a LocalConnection for AVM2 to talk to AVM1
> - Create a LocalConnection for AVM1 to talk to AVM2
>
> This all works fine, and communications all work.
>
> However, the problem comes with the naming of the LocalConnections.
> Clearly each AVM1Loader instance wants to have a differently named
> pair of LocalConnections; otherwise you'll get into trouble if you're
> trying to have two AVM1Loaders running together at the same time - or
> even two instances of the same Flex app running together at the same
> time.
>
> Generating a unique ID is easy, but I can't for the life of me work
> out how to communicate it to the contained AVM1 file.
>
> The obvious way would be to pass it as a parameter: e.g.
> _loader.load(new URLRequest("AVM1File.swf?key="+someUniqueKey));
>
> That works, but only (apparently) once. The next time you try to load
> AVM1File.swf with a _different_ key (under a whole new instance of
> AVM1Loader) something very odd happens. The key value does get
> transmitted correctly on the second run, but the _root of the
> contained movie gets screwed up.
>
> These simple trace statements are on the root of AVM1File.swf:
>
> trace(_root);
> trace(_root.clip); // (Clip is an instance defined on the stage of 
> AVM1File)
> trace(_parent);
>
> On the first (successful) load (i.e. loading
> "AVM1File.swf?key=someUniqueKey"), I get:
> "_root"
> "_root.clip"
> "undefined"
>
> Which is as expected. On the second run through (i.e. loading
> "AVM1File.swf?key=someOtherKey"), I get:
>
> "_root"
> "_l

[flexcoders] Loading AVM1 content into AVM2

[Ian Thomas]

Hi guys,

I've hit a huge hurdle when trying to communicate between AVM1 and AVM2.

I've been trying to create a component - call it AVM1Loader - which
will allow simple communication between an AVM2 flex app and a
contained AVM1 file.

In theory, it's pretty simple:

- Use Loader to load the file.
- Create a LocalConnection for AVM2 to talk to AVM1
- Create a LocalConnection for AVM1 to talk to AVM2

This all works fine, and communications all work.

However, the problem comes with the naming of the LocalConnections.
Clearly each AVM1Loader instance wants to have a differently named
pair of LocalConnections; otherwise you'll get into trouble if you're
trying to have two AVM1Loaders running together at the same time - or
even two instances of the same Flex app running together at the same
time.

Generating a unique ID is easy, but I can't for the life of me work
out how to communicate it to the contained AVM1 file.

The obvious way would be to pass it as a parameter: e.g.
_loader.load(new URLRequest("AVM1File.swf?key="+someUniqueKey));

That works, but only (apparently) once. The next time you try to load
AVM1File.swf with a _different_ key (under a whole new instance of
AVM1Loader) something very odd happens. The key value does get
transmitted correctly on the second run, but the _root of the
contained movie gets screwed up.

These simple trace statements are on the root of AVM1File.swf:

trace(_root);
trace(_root.clip); // (Clip is an instance defined on the stage of AVM1File)
trace(_parent);

On the first (successful) load (i.e. loading
"AVM1File.swf?key=someUniqueKey"), I get:
"_root"
"_root.clip"
"undefined"

Which is as expected. On the second run through (i.e. loading
"AVM1File.swf?key=someOtherKey"), I get:

"_root"
"_level0.App0.Panel4.contentPane.AVM1Loader40.instance55.instance56.clip"
"_level0.App0.Panel4.contentPane.AVM1Loader40.instance55"

Which is very strange - suddenly my AVM1 code is seeing its AVM2
instance name. And from that point on, the AVM1 code stops working
correctly - loading clips etc. fails.

If I change the URL to just "AVM1File.swf" it all works fine, but
obviously my unique key doesn't get transmitted. Similarly, fixing the
URL - sending "AVM1File.swf?key=dummy" each time - works fine.
Somethings up when you alter the parameter.

It's a new instance of Loader() - I'm not reusing anything.

So - that's clearly some sort of bug, and I seem to have hit a blank
wall there. If anyone's got any ideas on that peculiarity then great.

But that aside, if anyone's got any brainwaves on how to simply
communicate a unique ID to an AVM1 file I'm loading, that'd be great.
:-)

Yours in frustration,
  Ian


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