Flex中通过focusAlpha样式设置NumericStepper控件获取光标时透明度的例子
By Minidxer | May 25, 2008
接下来的例子演示了Flex中如何通过focusAlpha样式，设置NumericStepper控件获取光标时透明度。Demo中点击“click here to remove focus”按钮移除光标，上下按钮调整透明度。
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(或点击这里查看)：
Download: main.mxml
- <?xml version="1.0" encoding="utf-8"?>
- <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
- layout="vertical"
- verticalAlign="middle"
- backgroundColor="white">
- <mx:Script>
- <![CDATA[
- import mx.events.NumericStepperEvent;
- private function numericStepper_change(evt:NumericStepperEvent):void {
- // reset focus
- focusManager.setFocus(btn);
- focusManager.setFocus(numericStepper);
- }
- ]]>
- </mx:Script>
- <mx:ApplicationControlBar dock="true">
- <mx:Button id="btn" label="click here to remove focus" />
- </mx:ApplicationControlBar>
- <mx:NumericStepper id="numericStepper"
- minimum="0.0"
- maximum="1.0"
- value="0.5"
- stepSize="0.1"
- textAlign="center"
- focusAlpha="{numericStepper.value}"
- change="numericStepper_change(event);" />
- </mx:Application>
代码：Peter deHaan 翻译/整理/编译：minidxer
Topics:
Flex |
Tags: Flex, focusAlpha, focusManager, NumericStepper, setFocus