Yes, sounds like a bug to me. Can you
please file at http://www.macromedia.com/go/wish?
Matt
No, there were no visual
children in Base--just an empty canvas. I tried what you suggested and
created Base using ActionScript only and that worked just fine.
Thanks. However, it does bring up the question: Why doesn't the MXML
approach work? Is it a bug?
On 12/30/05, Matt Chotin <[EMAIL PROTECTED]> wrote:
Did you put any visual children in Base? If you did
it's not going to work because you can't have declared children in a parent
component and subcomponent (though we may describe how to simulate that in some
of our docs with other features).
You can try rewriting Base.mxml to be Base.as if there weren't visual children
Public class Base extends Canvas
{
//declare properties and methods
}
Matt
I'm relatively new to Flex 2 and what I'm trying to do
is to create a set of custom MXML components that share the same AS base
class. So I start with the base component, an empty container to which I
add properties/methods via AS. Call it Base.mxml:
<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="http://www.macromedia.com/2005/mxml"
xmlns="*">
<mx:Script source="Base_inc.as"/>
<!-- Declare base properties/methods -->
</mx:Canvas>
Then I create a component based on Base. I add a Button and
a TextInput. Call it ComponentA.mxml :
<?xml version="1.0" encoding="utf-8"?>
<Base xmlns:mx="http://www.macromedia.com/2005/mxml"
xmlns="*">
<mx:Script
source="ComponentA_inc.as"/> <!-- Component-specific
code -->
<mx:Button x="5" y="41"
label="Button"/>
<mx:TextInput x="2"
y="12" text="hello" id="MyText"/>
</Base>
Then I add ComponentA to an application. Everything looks
fine in the design view. However, when the app is run, the controls added
by ComponentA do not show up. I put in a creationComplete handler for
ComponentA and traced the value of "MyText" and it came out null, so
it looks like it never got created.
Am I missing something? If this isn't how you do component
inheritance, then how can it be done while still taking advantage of the easy
layout offered by MXML?
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