Flex中如何通过includeInLayout和visible属性设置Form容器内FormItem的显示与否的例子
By Minidxer | October 4, 2008
接下来的例子演示了Flex中如何通过includeInLayout和visible属性,设置Form容器内FormItem的显示与否。
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):
Download: main.mxml
- <?xml version="1.0" encoding="utf-8"?>
- <mx:Application name="FormItem_includeInLayout_test"
- xmlns:mx="http://www.adobe.com/2006/mxml"
- layout="vertical"
- verticalAlign="middle"
- backgroundColor="white">
- <mx:Style>
- Form {
- indicatorGap: 0;
- paddingLeft: 0;
- paddingRight: 0;
- paddingTop: 0;
- paddingBottom: 0;
- }
- </mx:Style>
- <mx:ApplicationControlBar dock="true">
- <mx:Button id="bccButton"
- label="Show BCC"
- toggle="true"
- selected="false" />
- <mx:Button id="fromButton"
- label="Show From"
- toggle="true"
- selected="false" />
- </mx:ApplicationControlBar>
- <mx:HBox width="100%">
- <mx:Button id="sendButton"
- label="Send"
- height="100%" />
- <mx:Form width="100%">
- <mx:FormItem label="From:"
- includeInLayout="{fromButton.selected}"
- visible="{fromButton.selected}"
- width="100%">
- <mx:ComboBox id="fromComboBox"
- width="100%" />
- </mx:FormItem>
- <mx:FormItem label="To:" width="100%">
- <mx:TextInput id="toTextInput"
- width="100%" />
- </mx:FormItem>
- <mx:FormItem label="CC:" width="100%">
- <mx:TextInput id="ccTextInput"
- width="100%" />
- </mx:FormItem>
- <mx:FormItem label="BCC:"
- includeInLayout="{bccButton.selected}"
- visible="{bccButton.selected}"
- width="100%">
- <mx:TextInput id="bccTextInput"
- width="100%" />
- </mx:FormItem>
- <mx:FormItem label="Subject:"
- width="100%">
- <mx:TextInput id="subjectTextInput"
- width="100%" />
- </mx:FormItem>
- </mx:Form>
- </mx:HBox>
- <mx:TextArea id="bodyTextArea"
- width="100%"
- height="100%" />
- </mx:Application>
代码:Peter deHaan 翻译/整理/编译:中文Flex例子
Topics:
Flex |
Tags: Form, FormItem, includeInLayout, visible