自定义ItemEditor 组件「建议收藏」-

自定义ItemEditor 组件「建议收藏」<!ThisisanitemeditorcomponentforDataGrid.ThedataProviderpropertyisoftypeArrayCollection,inthiscollection,theitemtypeisString.Iwastryingto…

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<!— ThisisanitemeditorcomponentforDataGrid. ThedataProviderpropertyisoftypeArrayCollection,inthiscollection,theitemtypeisString. IwastryingtosettheitemtypeasObjectthatholdstwopropertieslike{id:1,value:‘Combox1’}. Consideringtothecommonality,Ipreferthisway,althoughImaywritemorecodesomwhere. Thiscomponentshouldbeoptimisedsometimetomakeitmoreflexiable. –> <mx:VBoxxmlns:mx=“http://www.adobe.com/2006/mxml” implements=“mx.controls.listClasses.IDropInListItemRenderer,mx.managers.IFocusManagerComponent”> <mx:Metadata> [Event(name=“comboxItemChange”,type=“common.CustomEvent”)] </mx:Metadata> <mx:Script> <![CDATA[ importcommon.CustomEvent; importmx.collections.ArrayCollection; importmx.controls.Alert; importmx.controls.dataGridClasses.DataGridItemRenderer; importmx.controls.dataGridClasses.DataGridListData; importmx.controls.listClasses.BaseListData; importmx.controls.listClasses.IDropInListItemRenderer; importmx.controls.listClasses.IListItemRenderer; importmx.controls.listClasses.ListData; importmx.core.IDataRenderer; importmx.events.ListEvent; [Bindable] publicvardataProvider:ArrayCollection=newArrayCollection(); privatevar_listData:DataGridListData; //Defineapropertyforreturningthenewvaluetothecell. [Bindable] publicvarvalue:Object; //ImplementthedrawFocus()methodfortheVBox. overridepublicfunctiondrawFocus(draw:Boolean):void { CB.setFocus(); } overridepublicfunctiongetdata():Object { returnsuper.data; } overridepublicfunctionsetdata(value:Object):void { super.data=value; CB.data=value[_listData.dataField]; } //flexinitializesthelistDatapropertyofthecomponent //withtheappropriatedatafromthelistcontrol publicfunctiongetlistData():BaseListData { return_listData; } publicfunctionsetlistData(value:BaseListData):void { _listData=DataGridListData(value); } protectedfunctionCB_changeHandler(event:ListEvent):void { this.dispatchEvent(newCustomEvent([this.data,value],“comboxItemChange”)); } ]]> </mx:Script> <mx:Bindingdestination=“value”source=“{CB.value}”/> <mx:ComboBoxid=“CB”editable=“false”dataProvider=“{dataProvider}”change=“CB_changeHandler(event)”/> </mx:VBox>

转载于:https://blog.51cto.com/liumm/486579