check this out: http://cookbooks.adobe.com/post_Why_is_a_DataGrid_item_renderer_state_being_change-12167.html
On Wed, Oct 12, 2011 at 1:33 AM, abhishekchess1 <[email protected]>wrote: > hey frnds, > see this example , where i want to show last selected item in combo > box, > but when i scroll datagrid all combo boxes r reset, > Is any solution there ? > > > <?xml version="1.0" encoding="utf-8"?> > <s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"; > xmlns:s="library:// > ns.adobe.com/flex/spark" > xmlns:mx="library:// > ns.adobe.com/flex/mx" > > creationComplete="windowedapplication1_creationCompleteHandler(event)"> > <s:layout> > <s:VerticalLayout/> > </s:layout> > <fx:Declarations> > <!-- Place non-visual elements (e.g., services, value > objects) here > --> > <s:ArrayCollection id="arrColLeastCount"> > <fx:Object label='1' index='1'/> > <fx:Object label='0.5' index='2'/> > <fx:Object label='0.25' index='3'/> > <fx:Object label='0.10' index='4'/> > <fx:Object label='0.05' index='5'/> > </s:ArrayCollection> > > > > </fx:Declarations> > > <fx:Script> > <![CDATA[ > import mx.controls.Alert; > import mx.events.FlexEvent; > import mx.utils.ArrayUtil; > import mx.utils.ObjectUtil; > > > private var arrColMain:ArrayCollection = new > ArrayCollection(); > protected function > windowedapplication1_creationCompleteHandler(event:FlexEvent):void > { > var arrCol:ArrayCollection = new > ArrayCollection(); > for(var i:Number=0; i < 10 ; i++){ > var obj:Object = new Object(); > obj.label=String(Number(i+1)); > obj.index=i+1; > arrCol.addItem(obj); > } > > for(var i:Number=0; i < 10 ; i++){ > var obj:Object = new Object(); > obj.myfield1=arrCol; > obj.myfield1_SelectedIndex=0; > obj.myfield2=arrCol; > obj.myfield2_SelectedIndex=0; > arrColMain.addItem(obj); > } > } > > protected function > button1_clickHandler(event:MouseEvent):void > { > > Alert.show(''+arrColMain.getItemAt(0).myfield1_SelectedIndex+' : > '+arrColMain.getItemAt(0).myfield2_SelectedIndex); > > Alert.show(''+arrColMain.getItemAt(1).myfield1_SelectedIndex+' : > '+arrColMain.getItemAt(1).myfield2_SelectedIndex); > } > > ]]> > </fx:Script> > > > <mx:DataGrid id="DG" dataProvider="{arrColMain}" > width="400" height="200" > includeInLayout="true"> > <mx:columns> > <mx:DataGridColumn dataField="myfield1" > headerText="Test1" > > <mx:itemRenderer> > <fx:Component> > <mx:HBox > > <fx:Script> > <![CDATA[ > > import mx.events.FlexEvent; > > import mx.controls.Alert; > > import mx.events.ListEvent; > > import mx.utils.ObjectProxy; > > import mx.collections.ArrayCollection; > > [Bindable] > > public var dataProxy:ObjectProxy = new ObjectProxy(data); > > > protected function cmb_changeHandler(event:ListEvent):void > { > > data.myfield1_SelectedIndex = > cmb.selectedItem.index; > } > > [Bindable] > > override public function get data():Object > { > > return super.data; > } > > override public function set data( value:Object ):void > { > > if(value != null){ > > super.data = value; > > data.myfield1_SelectedIndex = value.myfield1_SelectedIndex; > > } > } > > ]]> > </fx:Script> > <mx:ComboBox > id="cmb" labelField="label" width="150" > > dataProvider="{data.myfield1}" > > change="cmb_changeHandler(event)" /> > </mx:HBox> > </fx:Component> > </mx:itemRenderer> > </mx:DataGridColumn> > > <mx:DataGridColumn dataField="myfield2" > headerText="Test2" > > <mx:itemRenderer> > <fx:Component> > <mx:HBox > > <fx:Script> > <![CDATA[ > > import mx.events.FlexEvent; > > import mx.controls.Alert; > > import mx.events.ListEvent; > > import mx.utils.ObjectProxy; > > import mx.collections.ArrayCollection; > > [Bindable] > > public var dataProxy:ObjectProxy = new ObjectProxy(data); > > > protected function cmb_changeHandler(event:ListEvent):void > { > > data.myfield2_SelectedIndex = > cmb.selectedItem.index; > } > > [Bindable] > > override public function get data():Object > { > > return super.data; > } > > override public function set data( value:Object ):void > { > > if(value != null){ > > super.data = value; > > data.myfield2_SelectedIndex = value.myfield2_SelectedIndex; > > } > } > > ]]> > </fx:Script> > <mx:ComboBox > id="cmb" labelField="label" width="150" > > dataProvider="{data.myfield2}" > > change="cmb_changeHandler(event)" /> > </mx:HBox> > </fx:Component> > </mx:itemRenderer> > </mx:DataGridColumn> > </mx:columns> > </mx:DataGrid> > > > > <s:Button label="Check " click="button1_clickHandler(event)" /> > > </s:WindowedApplication> > > > thx in advanced, > :) > > -- > You received this message because you are subscribed to the Google Groups > "Flex India Community" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/flex_india?hl=en. > > -- regards, Monali "Grant the wish... that everyone dreams. Give the love... that everyone needs. Say the truth... that no one will. Walk the path... that everyone wants to. Live the life... God made you for!" -- You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/flex_india?hl=en.
