Hmm, very strange. I wonder if it is because my list box is being
created by a repeater. Or becaue drag is enabled on it? here's my code...
<?xml version="1.0" encoding="utf-8"?>
<mx:VBox
xmlns:mx="http://www.macromedia.com/2003/mxml";
xmlns:ppcView="com.ppc.stickies.view.*"
width="720"
height="590"
backgroundColor="#666666"
cornerRadius="24"
marginBottom="8" marginTop="8" marginLeft="8" marginRight="8">
<ppcView:ProjectAssignmentsViewHelper
name="projectAssignmentsViewHelper" view="{ this }" />
<!--
============================================================================================
-->
<mx:Script>
<![CDATA[
import com.iterationtwo.cairngorm.view.ViewLocator;
import com.iterationtwo.cairngorm.control.EventBroadcaster;
import mx.managers.DragManager;
import mx.core.DragSource;
//-----------------------------------------------------------------------------------
//Page variables
var oPersonnel:Object;
var aProjects : Array = new Array();
var numPersonnelID : String;
//-----------------------------------------------------------------------------------
//Drag and Drop Functions
private function doDragEnter(event) {
event.handled="true";
}
//-------------------------------------
private function doDragExit(event) {
event.target.hideDropFeedback();
}
//-------------------------------------
private function doDragOver(event) {
event.target.showDropFeedback();
if (Key.isDown(Key.CONTROL))
event.action = DragManager.COPY;
else
event.action = DragManager.MOVE;
}
//-------------------------------------
private function doDragDrop(event) {
doDragExit(event);
var items = event.dragSource.dataForFormat("items");
var dest = event.target;
var dropLoc = dest.getDropLocation()
var itemExists:String = "0";
if (dropLoc.id == trash){
mx.core.Application.alert('TRASH');
}
//mx.core.Application.alert(event.target.dataProvider[0].TXTPROJECTNAME
+' '+ items.length );
items.reverse()
for(var i = 0; i < items.length; i++) {
//This code checks if the item already exists
in the list before
adding.
//And checks to see if the drag is coming from
the project list.
If the intitiator is
//the same as the drop target, then we are just
sorting.
for(var j = 0; j <
event.target.dataProvider.length; j++){
if(event.target.dataProvider[j].NUMPROJECTID ==
items[i].NUMPROJECTID && event.dragSource._data.source.__id !=
event.target.id){
//if the dragged item
exists in the drop list AND the item is
being dragged from the project list, then item exists
itemExists = "1"
}
}
if(itemExists == "0"){
dest.addItemAt(dropLoc,
items[i]);
}else{
itemExists = "0"; //reset
}
}
//any time an item is added to a list or the sort order
has
changed, update the record in the DB
//doUpdateTarget(event);
//reset the projects array to the current project list
aProjects = new Array();//clear out the array each time
for(var i = 0; i < event.target.dataProvider.length;
i++){
aProjects.push(event.target.dataProvider[i].NUMPROJECTID)
}
//resest the personnelID to the current list's owner
numPersonnelID =
event.target._parent.dataProvider.NUMPERSONNELID
//and then update that list owner's record
EventBroadcaster.getInstance().broadcastEvent("assignmentsUpdate");
}
//-------------------------------------
private function doDragDelete(event) {
doDragExit(event);
var items = event.dragSource.dataForFormat("items");
var dest = event.target;
var dropLoc = dest.getDropLocation();
var sourceProvider =
event.dragSource._data.source.dataProvider;
//mx.core.Application.alert(event.target.id);
//mx.core.Application.alert('TRASH');
//mx.core.Application.alert(event.target.dataProvider[0].TXTPROJECTNAME
+' '+ items.length );
//any time an item is added to a list or the sort order
has
changed, update the record in the DB
//doUpdateInitiator(event);
//reset the projects array to the current project list
MINUS THE
ITEM BEING DELETED
aProjects = new Array();//clear out the array each time
//mx.core.Application.alert("source:
"+sourceProvider[i].NUMPROJECTID +"item: "+items[i].NUMPROJECTID);
for(var i = 0; i <sourceProvider.length; i++){
for(var n = 0; n < items.length; n++){
if(sourceProvider[i].NUMPROJECTID !=
items[n].NUMPROJECTID){
aProjects.push(sourceProvider[i].NUMPROJECTID)
}
}
}
//resest the personnelID to the current list's owner
numPersonnelID =
event.dragSource._data.source._parent.dataProvider.NUMPERSONNELID
//and then update that list owner's record
EventBroadcaster.getInstance().broadcastEvent("assignmentsUpdate");
}
//-------------------------------------
private function doDragComplete(event) {
doDragExit(event);
var src = event.target;
if (event.action == DragManager.MOVE) {
var items = src.selectedIndices;
items.sort(sortByNumber) // If user
selects the listitems in
random order, we first sort the array to have all the items in order
items.reverse() // then we
reverse the array. In list
when any item is removed, it decreases the index of the items below it.
// so we remove the bottom most item first.
var s="";
for(var i = 0; i < items.length; i++) {
s=s+items[i]+" : ";
}
for(var i = 0; i < items.length; i++) {
src.removeItemAt(items[i])
}
}
}
//-------------------------------------
private function sortByNumber(a, b) {
return (a > b);
}
//-----------------------------------------------------------------------------------
private function getAllAssignments(){
EventBroadcaster.getInstance().broadcastEvent("assignmentsGet",{
targetViewHelperName: 'projectAssignmentsViewHelper'});}
//-----------------------------------------------------------------------------------
private function doUpdateTarget(event){
//reset the projects array to the current project list
aProjects = new Array();//clear out the array each time
for(var i = 0; i < event.target.dataProvider.length;
i++){
aProjects.push(event.target.dataProvider[i].NUMPROJECTID)
}
//resest the personnelID to the current list's owner
numPersonnelID =
event.target._parent.dataProvider.NUMPERSONNELID
//and then update that list owner's record
EventBroadcaster.getInstance().broadcastEvent("assignmentsUpdate");
}
//-----------------------------------------------------------------------------------
private function doUpdateInitiator(event){
//reset the projects array to the current project list
aProjects = new Array();//clear out the array each time
for(var i = 0; i <
event.dragSource._data.source.dataProvider.length; i++){
aProjects.push(event.dragSource._data.source.dataProvider[i].NUMPROJECTID)
}
//resest the personnelID to the current list's owner
numPersonnelID =
event.dragSource._data.source._parent.dataProvider.NUMPERSONNELID
//and then update that list owner's record
EventBroadcaster.getInstance().broadcastEvent("assignmentsUpdate");
}
private function temp(){
//used for testing
mx.core.Application.alert('itemrolled over');
}
//-----------------------------------------------------------------------------------
]]>
</mx:Script>
<!--
============================================================================================
-->
<mx:Tile id="personnelTile" direction="horizontal" width="100%"
height="100%">
<mx:Repeater id="personnelRepeater" startingIndex="0">
<mx:Panel id="personnelPanel">
<mx:List id="personnelList" width="150"
dragEnabled="true"
labelField="TXTPROJECTNAME"
itemRollOver="temp()"
dragEnter="doDragEnter(event)"
dragExit="doDragExit(event);"
dragOver="doDragOver(event);"
dragDrop="doDragDrop(event);"
dragComplete="doDragComplete(event);"
/>
<mx:Box id="trash" width="100%"
horizontalAlign="right"
dragEnter="doDragEnter(event)"
dragExit="doDragExit(event);"
dragOver="doDragOver(event);"
dragDrop="doDragDelete(event);" >
<mx:Image source="media\TRASHCAN.jpg" />
</mx:Box>
</mx:Panel>
</mx:Repeater>
</mx:Tile>
</mx:VBox>
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