DataGrid 组件
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ArrayCollection的filterFunction属性过滤DataGrid
<?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.controls.dataGridClasses.DataGridColumn;
private function toggleFilter():void {
if (checkBox.selected) {
arrColl.filterFunction = processFilter;
} else {
arrColl.filterFunction = null;
}
arrColl.refresh();
}
private function processFilter(item:Object):Boolean {
return parseFloat(item.value) == 0;
}
private function value_labelFunc(item:Object, col:DataGridColumn):String {
return item[col.dataField].toFixed(2);
}
]]>
</mx:Script>
<mx:ArrayCollection id="arrColl">
<mx:source>
<mx:Array>
<mx:Object name="ColdFusion" value="0.00" />
<mx:Object name="Dreamweaver" value="0.12" />
<mx:Object name="Fireworks" value="1.01" />
<mx:Object name="Flash" value="0" />
<mx:Object name="Flash Player" value="-0.00" />
<mx:Object name="Flex" value="0.00" />
<mx:Object name="Illustrator" value="2.92" />
<mx:Object name="Lightroom" value="0.32" />
<mx:Object name="Photoshop" value="0.06" />
</mx:Array>
</mx:source>
</mx:ArrayCollection>
<mx:Panel status="{arrColl.length}/{arrColl.source.length} item(s)">
<mx:DataGrid id="dataGrid"
dataProvider="{arrColl}"
verticalScrollPolicy="on">
<mx:columns>
<mx:DataGridColumn dataField="name" />
<mx:DataGridColumn dataField="value"
labelFunction="value_labelFunc" />
</mx:columns>
</mx:DataGrid>
<mx:ControlBar>
<mx:CheckBox id="checkBox"
label="Filter DataGrid"
click="toggleFilter();" />
</mx:ControlBar>
</mx:Panel>
</mx:Application>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
import mx.controls.dataGridClasses.DataGridColumn;
private function toggleFilter():void {
if (checkBox.selected) {
arrColl.filterFunction = processFilter;
} else {
arrColl.filterFunction = null;
}
arrColl.refresh();
}
private function processFilter(item:Object):Boolean {
return parseFloat(item.value) == 0;
}
private function value_labelFunc(item:Object, col:DataGridColumn):String {
return item[col.dataField].toFixed(2);
}
]]>
</mx:Script>
<mx:ArrayCollection id="arrColl">
<mx:source>
<mx:Array>
<mx:Object name="ColdFusion" value="0.00" />
<mx:Object name="Dreamweaver" value="0.12" />
<mx:Object name="Fireworks" value="1.01" />
<mx:Object name="Flash" value="0" />
<mx:Object name="Flash Player" value="-0.00" />
<mx:Object name="Flex" value="0.00" />
<mx:Object name="Illustrator" value="2.92" />
<mx:Object name="Lightroom" value="0.32" />
<mx:Object name="Photoshop" value="0.06" />
</mx:Array>
</mx:source>
</mx:ArrayCollection>
<mx:Panel status="{arrColl.length}/{arrColl.source.length} item(s)">
<mx:DataGrid id="dataGrid"
dataProvider="{arrColl}"
verticalScrollPolicy="on">
<mx:columns>
<mx:DataGridColumn dataField="name" />
<mx:DataGridColumn dataField="value"
labelFunction="value_labelFunc" />
</mx:columns>
</mx:DataGrid>
<mx:ControlBar>
<mx:CheckBox id="checkBox"
label="Filter DataGrid"
click="toggleFilter();" />
</mx:ControlBar>
</mx:Panel>
</mx:Application>
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