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Date: Wed, 8 Oct 2014 02:18:33 +0000 (UTC)
From: "Alessandro Palombaro (JIRA)" <jira@apache.org>
To: issues@flex.apache.org
Message-ID: <JIRA.12585315.1279019730000.214526.1412734713895@Atlassian.JIRA>
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Subject: [jira] [Commented] (FLEX-24442) s:textarea doesn't support keyboard
 ctrl-z (undo) command in IE7
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    [ https://issues.apache.org/jira/browse/FLEX-24442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162951#comment-14162951 ] 

Alessandro Palombaro commented on FLEX-24442:
---------------------------------------------

Another workaround is to listen for the keyup event instead (which triggers in IE correctly) and then manually dispatch a keydown event on the TextAreas textDisplay skinPart (RichEditableText) textContainerManager (mx_internal property) container which is what the undo manager is listening for the events on.

Example. First check if the user is running IE (I used ExternalInterface call and navigater.userAgent search, but there might be an easier way), otherwise a single undo operation will trigger twice

If the user is running IE add the keyup listener to the textArea instance and then manually dispatch a keydown event on the target of the undo manager

protected function _keyUpHandler(event:KeyboardEvent):void
{
  if (event.ctrlKey && event.keyCode == Keyboard.Z)
	{
              var richText:RichEditableText = textArea.textDisplay as RichEditableText;
				var event:KeyboardEvent = new KeyboardEvent(KeyboardEvent.KEY_DOWN, event.bubbles, event.cancelable,
						event.charCode, event.keyCode, event.keyLocation, event.ctrlKey, event.altKey, event.shiftKey);
// unfortunately only means of accessing the target container seems to be via mx_internal
richText.mx_internal::textContainerManager.container.dispatchEvent(event);
  }
}

Anyway hope this helps

> s:textarea doesn't support keyboard ctrl-z (undo) command in IE7
> ----------------------------------------------------------------
>
>                 Key: FLEX-24442
>                 URL: https://issues.apache.org/jira/browse/FLEX-24442
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Spark: TextArea
>    Affects Versions: Adobe Flex SDK 4.1 (Release)
>         Environment: Affected OS(s): Windows
> Affected OS(s): Windows XP
> Browser: Internet Explorer 7.x
> Language Found: English
>            Reporter: Adobe JIRA
>              Labels: easytest
>         Attachments: SparkTextAreaUnDoReDoInputBug_src.zip
>
>
> Steps to reproduce:
> 1. Just embed a s:textarea and try to use the undo command (ctrl-z) after typing
> I tried the undo command on several tutorial websites using the textarea component in IE7 and it doesn't work either. Only using Firefox does it work. 
> Note: I can make the textarea perform the undo operation in code by using the undoManager.
>  
>  Actual Results:
>  nothing occurs
>  
>  Expected Results:
>  the text should undo
>  
>  Workaround (if any):
>  it works in mozilla firefox


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