Re: NSTableView: which delegate after a drag operation?
Re: NSTableView: which delegate after a drag operation?
- Subject: Re: NSTableView: which delegate after a drag operation?
- From: Scott Anguish <email@hidden>
- Date: Thu, 03 Mar 2011 23:47:53 -0500
On Mar 3, 2011, at 10:24 PM, Ulf Dunkel wrote:
> In a tiny document-based Cocoa app for Snow Leopard, I have a document window with two NSTableView objects, which get properly feeded by NSTableViewDataSource according to the documentation. Both table views show simple arrays of one column each.
>
> I can fill both table views with random content as I like to and even drag and drop inside a list, with perfect refresh of the relevant table view. But I would like to sync both table views somehow.
>
> Here are my two questions:
>
> 1) Which delegate can I use to inform table view B to update and reload its data when I have dragged an item inside table view A?
>
> The NSTableViewDelegate methods don't seem to really help me here; I tried them all.
>
> I could of course add any "Refresh" button or stuff, but I would like to refresh NSTableView B as soon as a row item of NSTableView A has been successfully dragged into a new position.
If you’re adding it to the object array, you can easily do the update notification then.
>
> 2) How can I prevent drag operations from table view A to table view B (and vice versa)? List members shall only be dragged inside their own list.
You can pass NSDragOperationNone if the target is the originating table.
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