Hello, I think we can use something like changewatcher and than pass arraycollection which is bind.So whenever checkbox state is changed it will be updated.
abhilash On Sat, May 7, 2011 at 5:51 PM, Sudhakar <[email protected]> wrote: > Hi all, > > I am creating a datagrid on th fly. > Datagrid is working fine. > i creating a chackbox item renderer and the check box is displaying in > the datagrid. > > My Problem: > ********************** > When change the state of checkbox i want to update the value in > bindable arraycollection. but it is not updating. > > Please give me solution for how to update a value in bindable > dataArray:ArrayCollection when change the state of CheckBox from > CheckBox Itemrenderer. > > > My Code: > ************************* > > [Bindable] > private var dataArray:ArrayCollection; > > // Retrieving data using JSON > private function > createDataGridUserAssignmentQuestions( event:ResultEvent ):void { > > > var rawArray:Array; > var rawData:String = String(event.result); > rawArray = JSON.decode(rawData) as Array; > dataArray = new ArrayCollection(rawArray); > > creationCompleteHandler( event ); > } > > // Creating DataGrid. > private function creationCompleteHandler( evt:ResultEvent ) : void > { > > var columns:Array = new Array(); > > columns.push(getColumn("Completed", "Completed")); > columns.push(getColumn("StudentName", "Student Name")); > > var iQuestionIndex:int = 1; > for(var i:int = 0; i < iTotalQuestions; i++) > { > > var columnTitle:String; > > columnTitle = "Q" + (iQuestionIndex); > iQuestionIndex++; > > columns.push(getColumn("QuestionResponsesAnswerChosen" + i, > columnTitle )); > } > > var grid:DataGrid = new DataGrid(); > > grid.columns = columns; > grid.percentWidth = 100; > //grid.height = 215; > grid.height = 215; > grid.lockedColumnCount = 2; > grid.editable = true; > //grid.rowCount = dataArray.length; > grid.horizontalScrollPolicy = ScrollPolicy.AUTO; > grid.setStyle('horizontalScrollBarStyleName','customScroll'); > grid.setStyle('verticalScrollBarStyleName','customScroll'); > > grid.dataProvider = dataArray; //rows; > > grid.addEventListener(ListEvent.ITEM_CLICK, onColumnSelect ); > grid.addEventListener(FlexEvent.CREATION_COMPLETE, getFirstQuestion > ) > > QuestionGridStage.addElement(grid); > } > > // Creating Colomuns > private function getColumn(dataField:String, > headerText:String):DataGridColumn > { > var column:DataGridColumn = new DataGridColumn(dataField); > column.headerText = headerText; > column.draggable = false; > > if(headerText == "Student Name"){ > column.editable = false; > column.width = 150; > } else if(headerText == "Completed"){ > column.setStyle("textAlign","center"); > column.editable = false; > column.width = 80; > column.itemRenderer = new > ClassFactory(checkBoxAssignment); // HERE > I NEED HELP > }else { > column.setStyle("textAlign","center"); > column.resizable = false; > column.width = 50; > column.itemRenderer = new > ClassFactory(GridColumnInputTextBoxRenderer); > column.rendererIsEditor = true; > } > > return column; > } > > // CheckBox Renderer > <?xml version="1.0" encoding="utf-8"?> > <mx:CheckBox xmlns:mx="http://www.adobe.com/2006/mxml"; > horizontalCenter="0" verticalCenter="0" > > <mx:Script> > <![CDATA[ > import mx.controls.Alert; > import mx.controls.dataGridClasses.DataGridListData; > > [Bindable] private var formattedValue:Boolean; > > override public function set data(value:Object):void > { > super.data = value; > > formattedValue = data[(listData as > DataGridListData).dataField]; > > this.selected = formattedValue; > } > > protected function changeValue(event:Event):void > { > > formattedValue = this.selected; > > } > > ]]> > </mx:Script> > > </mx:CheckBox> > > > > -- > 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. > > -- 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.
