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https://issues.apache.org/jira/browse/FLEX-33537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762913#comment-13762913
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Roberto Ferreras commented on FLEX-33537:
-----------------------------------------
This fix breaks my application.
May be I'm doing something wrong, or I'm depending on unspecified behavior.
We need to move the focus between some components with the enter key (it's an
accounting application).
To do that, when the user presses the enter key, I get the focusManager of the
document and loop through the normal tab cycle until I reach the next
enter-enabled component. I do that calling consecutively {{IFocusManager}}
{{getNextFocusManagerComponent()}} and {{setFocus()}}.
This worked until 4.10. I suspect it's because of the use of {{callLater()}}.
In the provided simplified example, the loop becomes infinite. (If using IE, if
you change to another window and return, it breaks the loop.)
> Spark TextArea writing in prompt text format
> --------------------------------------------
>
> Key: FLEX-33537
> URL: https://issues.apache.org/jira/browse/FLEX-33537
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: TextArea, Spark: TextInput
> Affects Versions: Apache Flex 4.9.0
> Reporter: Curtis Aube
> Assignee: Mark Kessler
> Fix For: Apache Flex Next
>
>
> Initialize a s:TextArea, set the prompt text to something and set the text to
> something. Sometime later set the text to empty string, remove the TextArea
> from the display, add it to back the display and set focus on it. The next
> time you type, you will be typing in the prompt text format.
> Ex.
> <?xml version="1.0" encoding="utf-8"?>
> <s:Application minHeight="600" minWidth="955"
> xmlns:fx="http://ns.adobe.com/mxml/2009";
> xmlns:mx="library://ns.adobe.com/flex/mx"
> xmlns:s="library://ns.adobe.com/flex/spark">
> <fx:Script>
> <![CDATA[
> private function selectTextArea():void
> {
> testTextArea.text = "";
> box.removeAllElements();
> box.addElement(testTextArea);
> testTextArea.setFocus();
> }
> ]]>
> </fx:Script>
> <s:VGroup>
> <s:HGroup>
> <s:Button label="Break text area"
> click="{selectTextArea()}"/>
> </s:HGroup>
> <s:HGroup id="box">
> <s:TextArea id="testTextArea" text="Some text"
> prompt="Enter something..."/>
> </s:HGroup>
> </s:VGroup>
> </s:Application>
> Another issue is: If you try to set the focus before removing and adding the
> TextArea, the focus rectangle doesn't show up.
> Workaround: Don't set the focus immediately after adding the TextArea such as
> using callLater.
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