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https://issues.apache.org/jira/browse/FLEX-34383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Chira reassigned FLEX-34383:
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Assignee: Mihai Chira
> RTE when removing SkinnableContainer with skinDestructionPolicy "auto" and
> skin with VGroup or HGroup as the "contentGroup"
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: FLEX-34383
> URL: https://issues.apache.org/jira/browse/FLEX-34383
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: SkinnableContainer
> Affects Versions: Apache Flex 4.12.1
> Reporter: Mihai Chira
> Assignee: Mihai Chira
> Attachments: FLEX-34383.patch, _removeSkinnableWithVGroup.fxp
>
>
> *Steps to reproduce*:
> # Import and run the attached project.
> # Press the button.
> *Actual behaviour*: The application throws the RTE below.
> *Desired behaviour*: The "container" component is simply removed from stage,
> with no RTE.
> *Notes*:
> * the only change I made to the default SkinnableContainerSkin in
> EmptyContainerSkin.mxml is the use of VGroup (or HGroup) as the
> "contentGroup", instead of the standard Group.
> * there are a few potential solutions, of course. I'm leaning toward
> preventing SkinnableContainer.partRemoved() from clearing the old
> contentGroup's layout (not sure why it does it; no useful blame info in git),
> as it doesn't look necessary. Patch attached.
> Error: You are not allowed to change the layout for this class. It is
> read-only.
> at spark.components::VGroup/set
> layout()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/VGroup.as:533]
> at
> spark.components::SkinnableContainer/partRemoved()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/SkinnableContainer.as:1049]
> at
> spark.components.supportClasses::SkinnableComponent/clearSkinParts()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:779]
> at
> spark.components.supportClasses::SkinnableComponent/detachSkin()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:813]
> at
> spark.components.supportClasses::SkinnableComponent/removedFromStageHandler()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableComponent.as:1132]
> at flash.display::DisplayObjectContainer/removeChild()
> at
> mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::$removeChild()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/framework/src/mx/core/UIComponent.as:7365]
> at
> mx.core::UIComponent/removeChild()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/framework/src/mx/core/UIComponent.as:7272]
> at
> spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementRemoved()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/Group.as:1758]
> at
> spark.components::Group/removeElementAt()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/Group.as:1505]
> at
> spark.components::Group/removeElement()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/Group.as:1483]
> at
> spark.components::SkinnableContainer/removeElement()[/Users/aharui/flex-sdk-4.12.1/frameworks/projects/spark/src/spark/components/SkinnableContainer.as:805]
> at
> _main/button1_clickHandler()[C:\Users\mihaichira\workspace\_removeSkinnableWithVGroup\src\_main.mxml:20]
> at
> _main/____main_Button1_click()[C:\Users\mihaichira\workspace\_removeSkinnableWithVGroup\src\_main.mxml:26]
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