Sorry for the typo -
editableArray = originalArray.slice();
should be
editableArray = array.slice();
--- In flexcoders@yahoogroups.com, "Doug Lowder" <[EMAIL PROTECTED]> wrote:
>
> What you are doing is accessing two different references to the same
> array object. The mx.utils.ArrayUtil.toArray() function simply
> returns a reference to the parameter if it is already an array, so in
> that case it will always contain the same data as your list's
> dataprovider.
>
> What you can do instead is the following:
>
> // within the result function
> array = mx.utils.ArrayUtil.toArray(event.result);
> editableArray = originalArray.slice();
>
> // outside the function
> var array:Array;
> var editableArray:Array;
>
> And for your list's dataprovider:
>
> dataProvider="{editableArray}"
>
> Now you will have two different Array objects, array and
> editableArray, that you can compare with your existing code.
>
> Hope that helps,
> Doug
>
> --- In flexcoders@yahoogroups.com, "digital_eyezed" <iain.mclean@>
> wrote:
> >
> > HI,
> >
> > I have an issue with an array which created on the result of a
> > remoteObject call. The result is set to an array like this inside
> > the result function:
> >
> > array = new Array();
> > array = mx.utils.ArrayUtil.toArray(event.result);
> >
> > The array is substantiated outside this function like so:
> >
> > var array:Array;
> >
> > The result from the remoteObject is also used as a dataProvider to a
> > List, which has drag and drop functionality and the dataProvider is
> > assigned as such:
> >
> > dataProvider="{service.getMethod.result}"
> >
> > Now, this lists' dataProvider can enlarge as objects are added to it
> > through dragging and dropping, irrelevant I hear you say.
> >
> > The problem is, I set the array when the result is received in order
> > for me to check it against the datProvider of the List before I
> > return it to the server (i.e. I do a diff on the array from the
> > result and the dataProvider on the List and I get a new array of the
> > new Objects dragged to the List), like this:
> >
> > public function addNewObjects(){
> > var newArray:Array = new Array();
> > var newArray2:Array = new Array();
> > arrayOfListObjects = mx.utils.ArrayUtil.toArray(list.dataProvider);
> > newArray = NotInB(arrayOfListObjects,array);
> > if(newArray.length != 0){
> > for(var k = 0;k<newArray.length;k++){
> > var newObjectVO:ObjectVO = new ObjectVO();
> > newObjectVO.label = newArray[k].label;
> > newObjectVO.data = newArray[k].data;
> > newArray2.push(newObjectVO);
> > }
> > service.addObjects(newArray2);
> > }else{
> > mx.core.Application.alert("Complain a lot about not adding
> > anything!");
> > }
> > }
> >
> > for clarity the NotInB function does this:
> >
> > public function NotInB(arrayA,arrayB) {
> > var tempAry= new Array();
> > var i,j;
> > for (i=0; i<arrayA.length; i++) {
> > for (j=0; j<arrayB.length; j++) {
> > if (arrayA[i].data==arrayB[j].data) {
> > break;
> > }
> > }
> > if (j==arrayB.length) {
> > tempAry.push(arrayA[i]);
> > }
> > }
> > return tempAry;
> > }
> >
> > No problem, this all works first time without an issue, and the
> > objects are passed to the server as expected, then everything goes
> > wrong. From then on the array which is set from the result object is
> > set ok (I have traced out the array when it is created every time
> > and it is correct), but when I drag objects to the List they are
> > also added to this array, why? there is no binding to it! so every
> > time after the first time I add the new objects I 'Complain a lot
> > about not adding anything!'.
> >
> > Please help.
> >
> > Cheers,
> >
> > Iain
> >
>
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