Flex Gumbo中如何利用export()以及E4X遍历FxTextArea内的段落的例子

By Minidxer | June 1, 2009

接下来的例子演示了Flex Gumbo中如何利用export()以及E4X，遍历FxTextArea内的段落。

让我们先来看一下Demo（可以右键View Source或点击这里察看源代码）：

下面是完整代码(或点击这里察看)：

<?xml version="1.0" encoding="utf-8"?>
<Application name="FxTextArea_export_test"
xmlns="http://ns.adobe.com/mxml/2009"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<Script>
private function getParagraphs():void {
var textFlowNS:Namespace = new Namespace("http://ns.adobe.com/textLayout/2008");
var xml:XML = textArea.export();
var xmlList:XMLList = xml.textFlowNS::p;
var para:XML;
for each (para in xmlList) {
para.@color = getRandomColor();
}
textArea.content = xml;
}
private function getRandomColor():String {
return "0x" + Math.round(Math.random() * 0xFFFFFF).toString(16);
}
</Script>
<ApplicationControlBar dock="true">
<FxButton label="Randomize paragraph colors"
click="getParagraphs();" />
</ApplicationControlBar>
<FxTextArea id="textArea" width="240" height="160">
<content>
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
The quick brown fox jumped over the lazy dog.
</content>
</FxTextArea>
</Application>

代码：Peter deHaan 翻译/整理/编译：中文Flex例子

Topics: FxTextArea, Gumbo | No Comments » | Tags: content, export(), FxTextArea, Gumbo, TextFlow

中文Flex例子