List 如何扩展列表以添加UI组件？
如何扩展spark列表以在其上添加UI组件？我假设您希望将UI组件添加到列表本身的项目中，在这种情况下，您可以使用ItemRenders。外面有很多 我正在粘贴下面（很棒的网站）的一个相当奇特的例子 MyApplication.mxml:List 如何扩展列表以添加UI组件？,list,user-interface,apache-flex,flex4,List,User Interface,Apache Flex,Flex4,如何扩展spark列表以在其上添加UI组件？我假设您希望将UI组件添加到列表本身的项目中，在这种情况下，您可以使用ItemRenders。外面有很多 我正在粘贴下面（很棒的网站）的一个相当奇特的例子 MyApplication.mxml: <?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-i
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-item-renderer-in-flex-4/ -->
<s:Application name="Spark_List_itemRenderer_test"
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:local="*">
<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark";
s|List {
chromeColor: #333333;
color: white;
contentBackgroundColor: black;
fontSize: 24;
}
</fx:Style>
<s:List id="list"
itemRenderer="CustomListItemRenderer"
labelField="name"
width="400"
horizontalCenter="0" verticalCenter="0">
<s:layout>
<s:VerticalLayout horizontalAlign="justify" gap="0" requestedRowCount="6" />
</s:layout>
<s:dataProvider>
<s:ArrayList>
<local:ProductVO name="Adobe Illustrator CS5" icon="@Embed('ai_appicon-tn.gif')" />
<local:ProductVO name="Adobe AIR 2.0" icon="@Embed('air_appicon-tn.gif')" />
<local:ProductVO name="ColdFusion 9" icon="@Embed('cf_appicon-tn.gif')" />
<local:ProductVO name="Dreamweaver CS5" icon="@Embed('dw_appicon-tn.gif')" />
<local:ProductVO name="Flash Professional CS5" icon="@Embed('fl_appicon-tn.gif')" />
<local:ProductVO name="Adobe Flash Player 10.1" icon="@Embed('fl_player_appicon-tn.gif')" />
<local:ProductVO name="Fireworks CS5" icon="@Embed('fw_appicon-tn.gif')" />
<local:ProductVO name="Flex 4.0" icon="@Embed('fx_appicon-tn.gif')" />
<local:ProductVO name="Lightroom 2.0" icon="@Embed('lr_appicon-tn.gif')" />
<local:ProductVO name="Photoshop CS5" icon="@Embed('ps_appicon-tn.gif')" />
</s:ArrayList>
</s:dataProvider>
</s:List>
</s:Application>
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-item-renderer-in-flex-4/ -->
<s:ItemRenderer name="CustomListItemRenderer"
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
autoDrawBackground="false">
<s:layout>
<s:HorizontalLayout verticalAlign="middle"
paddingLeft="5" paddingRight="5"
paddingTop="5" paddingBottom="5" />
</s:layout>
<s:states>
<s:State name="normal" />
<s:State name="hovered" />
<s:State name="selected" />
</s:states>
<s:BitmapImage source="{data.icon}" />
<s:Label text="{data.name}"
textDecoration.hovered="underline"
paddingLeft.selected="5"
width="100%"
maxDisplayedLines="1"
showTruncationTip="true" />
<s:Label text="»"
scaleX="2" scaleY="2" />
</s:ItemRenderer>
/** http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-item-renderer-in-flex-4/ */
package {
public class ProductVO extends Object {
[Bindable]
public var name:String;
[Bindable]
public var icon:Class;
}
}
我假设您希望将UI组件添加到列表本身中的项，在这种情况下，您可以使用ItemRenders。外面有很多 我正在粘贴下面（很棒的网站）的一个相当奇特的例子 MyApplication.mxml:
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-item-renderer-in-flex-4/ -->
<s:Application name="Spark_List_itemRenderer_test"
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:local="*">
<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark";
s|List {
chromeColor: #333333;
color: white;
contentBackgroundColor: black;
fontSize: 24;
}
</fx:Style>
<s:List id="list"
itemRenderer="CustomListItemRenderer"
labelField="name"
width="400"
horizontalCenter="0" verticalCenter="0">
<s:layout>
<s:VerticalLayout horizontalAlign="justify" gap="0" requestedRowCount="6" />
</s:layout>
<s:dataProvider>
<s:ArrayList>
<local:ProductVO name="Adobe Illustrator CS5" icon="@Embed('ai_appicon-tn.gif')" />
<local:ProductVO name="Adobe AIR 2.0" icon="@Embed('air_appicon-tn.gif')" />
<local:ProductVO name="ColdFusion 9" icon="@Embed('cf_appicon-tn.gif')" />
<local:ProductVO name="Dreamweaver CS5" icon="@Embed('dw_appicon-tn.gif')" />
<local:ProductVO name="Flash Professional CS5" icon="@Embed('fl_appicon-tn.gif')" />
<local:ProductVO name="Adobe Flash Player 10.1" icon="@Embed('fl_player_appicon-tn.gif')" />
<local:ProductVO name="Fireworks CS5" icon="@Embed('fw_appicon-tn.gif')" />
<local:ProductVO name="Flex 4.0" icon="@Embed('fx_appicon-tn.gif')" />
<local:ProductVO name="Lightroom 2.0" icon="@Embed('lr_appicon-tn.gif')" />
<local:ProductVO name="Photoshop CS5" icon="@Embed('ps_appicon-tn.gif')" />
</s:ArrayList>
</s:dataProvider>
</s:List>
</s:Application>
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-item-renderer-in-flex-4/ -->
<s:ItemRenderer name="CustomListItemRenderer"
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
autoDrawBackground="false">
<s:layout>
<s:HorizontalLayout verticalAlign="middle"
paddingLeft="5" paddingRight="5"
paddingTop="5" paddingBottom="5" />
</s:layout>
<s:states>
<s:State name="normal" />
<s:State name="hovered" />
<s:State name="selected" />
</s:states>
<s:BitmapImage source="{data.icon}" />
<s:Label text="{data.name}"
textDecoration.hovered="underline"
paddingLeft.selected="5"
width="100%"
maxDisplayedLines="1"
showTruncationTip="true" />
<s:Label text="»"
scaleX="2" scaleY="2" />
</s:ItemRenderer>
/** http://blog.flexexamples.com/2010/01/27/creating-a-fancy-spark-list-control-item-renderer-in-flex-4/ */
package {
public class ProductVO extends Object {
[Bindable]
public var name:String;
[Bindable]
public var icon:Class;
}
}
请描述您的用例，根据您的实际需求有许多可能的解决方案。请描述您的用例，根据您的实际需求有许多可能的解决方案。