Any thoughts? I feel like I'm dealing with some sort of cascading refresh that's not reaching the last element of my repeater.
--- In [email protected], "dr_stone_1024" <[EMAIL PROTECTED]> wrote: > > > I am using a nested repeater, where the dataProvider of the inner > repeater is an ArrayCollection of objects [buildings]. Each object > has an ArrayCollection of objects [people]. Think > Campus->Building->People scenario, where my outer repeater is looping > campuses and my > inner repeater is looping buildings and my inner repeater contains a > dataGrid of People. My inner repeater also repeats a label component > that keeps count of the number of People in that Building by binding to > the length property on its People ArrayCollection. This works > great, except the last Building in the last Campus does not update the > "People Count" when adding an item to its People ArrayCollection. > > If that's confusing, please try the example code below. In this example > case, if you click "Create Repeater Data" it generates all the > campus/building/people just fine. The "Employee Count" is updated > correctly. However, if you click the "Add Employees" button it adds one > new employee to each building - this works totally fine, except for the > total count on employees on the last building. The last building stays > at "Employee Count: 3", while the rest change to "Employee Count: 4". > > I realize that I can call campus.buidingAC.refresh() (or > repeaterData.refresh()) and that will correct the problem, but in my > actual use-case this is too expensive. I would be willing to add > building.employeeAC.refresh() after adding an employee, but I don't > believe it has any effect. > > Is there some better way to do this? > > > > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml > <http://www.adobe.com/2006/mxml> " layout="vertical" > > <mx:Script> > <![CDATA[ > import mx.collections.ArrayCollection; > > [Bindable] > private var repeaterData:ArrayCollection = null; > > private function createRepeaterData():void > { > var campusArr:Array = new Array(); > > var i:uint = 0; > var j:uint = 0; > var k:uint = 0; > var kLimit:uint = 0; > > for ( i=0; i<=3; i++ ) { > var campus:Object = new Object(); > campus.label = "Campus " + i; > > var buildingArr:Array = new Array(); > for ( j=0; j<=4; j++ ) { > var building:Object = new Object(); > building.label = campus.label + " Building " + j; > > var employeeArr:Array = new Array(); > > for (kLimit = k+2; k<=kLimit; k++ ) { > // make unique employees > var employee:Object = new Object(); > employee.label = "Employee " + k; > employeeArr.push(employee); > } > building.employeeAC = new ArrayCollection(employeeArr); > buildingArr.push(building); > } > > campus.buildingAC = new ArrayCollection(buildingArr); > campusArr.push(campus); > } > > repeaterData = new ArrayCollection(campusArr); > } > > private function addEmployees():void > { > for each ( var campus:Object in repeaterData ) { > for each ( var building:Object in campus.buildingAC ) { > var employee:Object = new Object(); > employee.label = "New Employee (" + building.label + ")"; > building.employeeAC.addItem(employee); > } > // Note: employee count is updated correctly on the last building > when the following line is uncommented. > //campus.buildingAC.refresh(); > } > > } > > ]]> > </mx:Script> > > <mx:Button label="Create Repeater Data" click="createRepeaterData ()" /> > <mx:Button label="Add Employees" click="addEmployees()" /> > > <mx:Spacer height="20" /> > > <mx:Repeater id="rp1" dataProvider="{repeaterData}"> > > <mx:Label text="{rp1.currentItem.label}" fontWeight="bold" /> > > <mx:Repeater id="rp2" dataProvider="{rp1.currentItem.buildingAC}" > > <mx:Label text="{rp2.currentItem.label} - Employee Count: > {rp2.currentItem.employeeAC.length}" /> > > <mx:Repeater id="rp3" dataProvider="{rp2.currentItem.employeeAC}" > > <mx:Label text="{rp3.currentItem.label}" /> > </mx:Repeater> > <mx:Spacer height="5" /> > > </mx:Repeater> > > <mx:Spacer height="20" /> > </mx:Repeater> > </mx:Application> >
