Flex中如何通过selectionDisabledColor样式设置ComboBox中选中项目无效时背景颜色的例子

By Minidxer | July 16, 2008

接下来的例子演示了Flex中如何通过selectionDisabledColor样式，设置ComboBox中选中项目无效时背景颜色。

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"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="top"
backgroundColor="white">
<mx:Script>
<![CDATA[
import mx.events.DropdownEvent;
private function comboBox_open(evt:DropdownEvent):void {
comboBox.dropdown.enabled = checkBox.selected;
comboBox.dropdown.setStyle("selectionDisabledColor", colorPicker.selectedColor);
}
]]>
</mx:Script>
<mx:Array id="arr">
<mx:Object label="One" />
<mx:Object label="Two" />
<mx:Object label="Three" />
<mx:Object label="Four" />
<mx:Object label="Five" />
<mx:Object label="Six" />
<mx:Object label="Seven" />
<mx:Object label="Eight" />
<mx:Object label="Nine" />
<mx:Object label="Ten" />
</mx:Array>
<mx:ApplicationControlBar dock="true">
<mx:Form styleName="plain">
<mx:FormItem label="enabled:">
<mx:CheckBox id="checkBox"
selected="true" />
</mx:FormItem>
<mx:FormItem label="selectionDisabledColor:">
<mx:ColorPicker id="colorPicker" />
</mx:FormItem>
</mx:Form>
</mx:ApplicationControlBar>
<mx:ComboBox id="comboBox"
dataProvider="{arr}"
open="comboBox_open(event);" />
</mx:Application>

代码：Peter deHaan 翻译/整理/编译：minidxer

Topics: Flex | No Comments » | 28 views Tags: ComboBox, dropdown, enabled, selectionDisabledColor, 背景颜色

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