draggedItems should be the row from the source
dataProvider is the dataProvider for the destination ________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of bredwards358 Sent: Monday, June 02, 2008 5:31 AM To: [email protected] Subject: [flexcoders] Re: Questions regarding updating dataProviders after a drag & drop Okay, I kind of get what you're saying, it makes sense however I have some questions to clear things up further, nothing big, just simple things. Check below for the blue text, in the meantime I'll experiment, Thanks a bunch I appreciate it. Brian Ross Edwards, Tech-Connect LLC. --- In [email protected], "Alex Harui" <[EMAIL PROTECTED]> wrote: > > Normally, you listen for dragDrop or dragComplete events and if you > don't want default behavior, you call preventDefault on the event and do > whatever you want. > > > > So, if I were handling dragging products to a shopping list, I would > write something like this: > > > > public function dragDropHandler(event:DragEvent):void > > { > > var draggedItems:Array = > event.dragSource.dataForFormat("items");//Is items simply a generic name or the name of what you're dragging from? > > var draggedItem:Product = draggeItems[0];//Am I correct in assuming that this is the row of the dataGrid being dragged from? > > > > // search array collection for existing object > > var ac:ArrayCollection = dataProvider;//This is the dataProvider of the dataGrid being dropped on, right? > > var n:int = ac.length; > > for (var i:int = 0; I < n; i++) > > { > > If (ac[i].productKey == draggedItem.productKey) > > { > > ac[i].quantity ++; > > ! event.preventDefault(); > >! ; return; > > } > > } > > // if we don't exit via preventDefault()/return, then > default behavior will add it to the dataProvider > > }
