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From "Michael Schmalle (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-33200) Calling open() in Window subclass constructor yields runtime error:#2007: Parameter justificationStyle must be non-null.
Date Thu, 27 Sep 2012 10:16:07 GMT

    [ https://issues.apache.org/jira/browse/FLEX-33200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464600#comment-13464600
] 

Michael Schmalle commented on FLEX-33200:
-----------------------------------------

As far as I know, calling open() in a constructor is not supported. The styles and style chain
is created when addChild() is called.
                
> Calling open() in Window subclass constructor yields runtime error:#2007: Parameter justificationStyle
must be non-null.
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLEX-33200
>                 URL: https://issues.apache.org/jira/browse/FLEX-33200
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Spark: Window
>    Affects Versions: Adobe Flex SDK 4.6 (Release)
>         Environment: Adobe AIR 3.3 on Windows compiling with Flash Builder 4.5 plugin
for Eclipse 3.7
>            Reporter: Ilya Tetin
>
> Steps to reproduce:
> 1. Subclass spark.components.Window:
> package test
> {
>           import spark.components.Window;
>  
>           public class ExtWindow extends Window
>           {
>                     public function ExtWindow()
>                     {
>                               super();
>                               open();
>                     }
>           }
> }
> 2. Run the following sample application:
> <?xml version="1.0" encoding="utf-8"?>
> <s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" 
> 					   xmlns:s="library://ns.adobe.com/flex/spark" 
> 					   xmlns:mx="library://ns.adobe.com/flex/mx"
> 					   xmlns:test="test.*">
> 	<fx:Declarations>
> 		<test:ExtWindow/>
> 	</fx:Declarations>
> </s:WindowedApplication>
> Output:
> TypeError: Error #2007: Parameter justificationStyle must be non-null.
> 	at flash.text.engine::EastAsianJustifier/set justificationStyle()
> 	at spark.components::Label/createTextLines()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Label.as:879]
> 	at spark.components::Label/http://www.adobe.com/2006/flex/mx/internal::composeTextLines()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Label.as:477]
> 	at spark.components.supportClasses::TextBase/measure()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\TextBase.as:534]
> 	at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::measureSizes()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:8506]
> 	at mx.core::UIComponent/validateSize()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:8430]
> 	at mx.managers::LayoutManager/validateSize()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:665]
> 	at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:792]
> 	at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1180]
> Expected results:
> no error

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