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From "Vitali Kabak (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-33278) Ctrl+V doesn't work properly
Date Thu, 18 Jul 2013 20:34:49 GMT

    [ https://issues.apache.org/jira/browse/FLEX-33278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13712787#comment-13712787

Vitali Kabak commented on FLEX-33278:

The code I provided above as a solution will not solve this problem. It turned that the issue
is much more complicated and most likely will appear only on Windows.

When you paste a text like (no quotes):
into app, running in Flash Player, it will internally convert it to "F\nS" in SystemClipboard

When you paste the same text into AIR app, it will internally convert it to "F\r\nS" in SystemClipboard

When clipboard content is imported into textFlow by PlainTextImporter.importFromString method
(this is what happens, when you press Ctrl+V), it will be processed differently at lines:

			// Mark partial last paragraph (string doesn't end in paragraph terminator)
			if (useClipboardAnnotations && 
				(source.lastIndexOf('\u000A', source.length - 2) < 0 || 
					source.lastIndexOf('\u000D\u000A', source.length - 3) < 0))
				var lastLeaf:FlowLeafElement = textFlow.getLastLeaf();
				lastLeaf.setStyle(ConverterBase.MERGE_TO_NEXT_ON_PASTE, "true");
				lastLeaf.parent.setStyle(ConverterBase.MERGE_TO_NEXT_ON_PASTE, "true");
				textFlow.setStyle(ConverterBase.MERGE_TO_NEXT_ON_PASTE, "true");

Later this difference causes a creation of additional empty ParagraphElement in textFlow,
which in case causes problems with maxChars and display of multiple lines in a single line

For Justin Mclean: I don't think, that a fix for FLEX-33544 will solve this problem - at handlePasteOperation
it is too late to fix the issue with extra empty ParagraphElement in textFlow.
For my project I added the following lines to the constructor of the AIR app class :

TextConverter.addFormat(TextConverter.PLAIN_TEXT_FORMAT, PlainTextImporter, PlainTextExporter,

where PlainTextImporter is a slightly modified class from TLF framework. I just added the
following line to the very beginning of PlainTextImporter.importFromString method:
source = source.split("\u000D\u000A").join("\u000A");
> Ctrl+V doesn't work properly
> ----------------------------
>                 Key: FLEX-33278
>                 URL: https://issues.apache.org/jira/browse/FLEX-33278
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Spark: RichEditableText
>    Affects Versions: Adobe Flex SDK Previous, Apache Flex 4.8 (parity release)
>         Environment: Windows 7
>            Reporter: Nazar Yavny
> The issue is present when user tries to paste text that starts with new line.
> When maxChars variable is specified and user tries to paste with Ctrl+V text bigger than
maxChars - component will cut of extra chars, but when user presses Ctrl+V one more time -
text will be pasted again. So, in this situation length of component's inner text will be
greater than specified maxChars variable.

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