Angular: ng-options การกำหนดข้อมูลlist2 โดยอ้างอิงข้อมูลที่เลือกจากlist1

http://jsfiddle.net/RK6P9/200/

 <select ng-model="item.ProcessId"
       
    ng-options="c.ProcessId as c.ProcessName  for c in columns"></select>
  
       {{item.ProcessId}}
        <select ng-model="item.refprocessId"

            ng-options="c.ProcessId as c.ProcessName  for c in columns | filter:{ProcessId: '!'+item.ProcessId }"></select>

 $scope.columns = [
       {"ProcessId":173,"ProcessName":"Paperwork","PlanTypeId":3},{"ProcessId":270,"ProcessName":"Test Update Process 14/8/2015","PlanTypeId":1},{"ProcessId":174,"ProcessName":"Floor","PlanTypeId":1},{"ProcessId":175,"ProcessName":"Wall","PlanTypeId":1},{"ProcessId":176,"ProcessName":"Roof","PlanTypeId":1},{"ProcessId":240,"ProcessName":"Prepare project","PlanTypeId":3},{"ProcessId":142,"ProcessName":"Base","PlanTypeId":1},{"ProcessId":143,"ProcessName":"Foundation","PlanTypeId":1},{"ProcessId":144,"ProcessName":"Floor","PlanTypeId":1}
    ];