Use a setter for the buttonText property
and then in that setter assign button_mc.label.
The binding is executing after the
createChildren method has been called.
Matt
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Rob Rusher
Sent: Thursday, November 03, 2005
6:08 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: How do
you pass bindings into a custom component?
Yeah, I tried that. No workie.
Regards,
Rob
--- In flexcoders@yahoogroups.com,
"JesterXL" <[EMAIL PROTECTED]> wrote:
>
> You have to put a change tag above the
property in question.
Check in the documentation for ChangeEvent:
>
> [ChangeEvent("change")]
> public var flavorStr:String;
>
> ----- Original Message -----
> From: Rob Rusher
> To: flexcoders@yahoogroups.com
> Sent: Thursday, November 03, 2005 11:47 AM
> Subject: [flexcoders] How do you pass
bindings into a custom
component?
>
>
> I have an AS class that extends UIComponent.
I can easily pass a
value into the component if it is a string, but if
the property is
bound to something it does not come through.
>
>
>
> I've tried setting events to detect the
change with no luck. Most
likely an error on my part.
>
>
>
> Anyone have ideas on how to do this?
>
>
>
> Main.mxml
>
>
==============================================
>
> <?xml version="1.0"
encoding="utf-8"?>
>
> <mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml"
xmlns="*">
>
> <mx:TextInput id="myText"
text="Click Me"/>
>
> <MyComponent id="myPanel"
buttonText="{ myText.text }"/>
>
> </mx:Application>
>
>
>
>
>
> MyComponent.as
>
>
==============================================
>
> // Import all necessary classes.
>
> import mx.core.*;
>
> import mx.controls.*;
>
>
>
> class MyComponent extends UIComponent
>
> {
>
>
// Declare events
>
>
[Event("click")]
>
>
>
>
// Declare input property.
>
>
public var buttonText:String;
>
>
>
>
// Declare two children member variables.
>
>
public var text_mc:TextArea;
>
>
public var button_mc:Button;
>
>
>
>
function createChildren():Void
>
>
{
>
>
if ( button_mc == undefined )
>
>
createClassObject(
Button, "button_mc", 1, { } );
>
>
if ( text_mc == undefined )
>
>
createClassObject(
TextArea, "text_mc", 0, {
preferredWidth: 150, editable: false } );
>
>
button_mc.addEventListener( "click",
this );
>
>
>
>
// assign input property to button's label
>
>
button_mc.label = buttonText;
>
>
}
>
>
>
>
function layoutChildren()
>
>
{
>
>
button_mc.move( text_mc.width / 2 - 5,
50 );
>
>
}
>
>
>
>
// Handle events that are dispatched by the children.
>
>
function handleEvent( eventObj:Object ):Void
>
>
{
>
>
if ( eventObj.type == "click" )
>
>
text_mc.text = "You clicked
the button";
>
>
}
>
>
>
> }
>
>
>
> Regards,
>
>
>
> Rob Rusher
>
>
>
> RIA Consultant
>
> Macromedia Certified Flex Instructor
>
> e:[EMAIL PROTECTED] c:303.885.7044 im:robrusher
>
>
>
>
>
> --
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