[flexcoders] Flex2: Problem with list item renderers in a popup title window

Mon, 10 Jul 2006 09:44:53 -0700

Hello Flexcoders;

 

I have a TitleWindow whose only child is a List. The List uses a custom itemRenderer that just draws an HBox with a TextLabel inside. This all works as expected. However, if I use PopupManager to create a popup using the TitleWindow sublass, there are problems.

 

When scrolling the list down, an extra itemRenderer is drawn above the bounds of the list. Likewise, when scrolling up, an itemRender is drawn below the bottom bounds of the List. I tried setting clipContents on the TitleWindow to “true”, but that made no difference.

 

This problem only occurs when the TitleWindow is “popped up”. Does anyone have an idea what I can do to fix this?

 

Thanks.

Tobias.

 

Here’s a simple application that reproduces the problem:

 

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" xmlns:local="*"

            creationComplete="OnLoad()">

           

            <mx:Script>

                        <![CDATA[

                                    import mx.managers.PopUpManagerChildList;

                                    import mx.managers.PopUpManager;

                                    private function OnLoad() : void

                                    {

                                                var win : MyTitleWindow = MyTitleWindow( PopUpManager.createPopUp(

                                                            this, MyTitleWindow, false, PopUpManagerChildList.POPUP ) );

                                                win.title = "Popup Title Window";

                                   

                                                PopUpManager.centerPopUp( win );

                                                win.y *= 1.5;

                                    }

                        ]]>

            </mx:Script>

           

            <local:MyTitleWindow title="Title Window"/>

</mx:Application>

 

 

-------- MyTitleWindow.mxml --------

 

<?xml version="1.0" encoding="utf-8"?>

<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml"

            layout="vertical"

            width="400"

            height="300">

 

            <mx:ArrayCollection id="ac">

                        <mx:String>One</mx:String>

                        <mx:String>Two</mx:String>

                        <mx:String>Three</mx:String>

                        <mx:String>Four</mx:String>

                        <mx:String>Five</mx:String>

            </mx:ArrayCollection>

 

            <mx:List width="100%"

                        height="100%"

                        borderStyle="none"

                        dataProvider="{ac}">

                        <mx:itemRenderer>

                                    <mx:Component>

                                                <mx:HBox height="100"

                                                            borderStyle="solid"

                                                            verticalAlign="middle">

                                                            <mx:Label text="{data}"/>

                                                </mx:HBox>

                                    </mx:Component>

                        </mx:itemRenderer>

            </mx:List>

           

</mx:TitleWindow>

Kodak Graphic Communications Canada Company

Tobias Patton | Software Developer | Tel: +1.604.451.2700 ext: 5148 | mailto:[EMAIL PROTECTED] | http://www.creo.com

 

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