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Drag with NSTableView

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Drag with NSTableView

Subject: Drag with NSTableView
From: Livio Isaia <email@hidden>
Date: Mon, 13 Aug 2007 12:17:52 +0200

I have an NSTabelView whose NSTableColumn is bound to the field name of a myDataSourceItem type arranged in an NSArrayController and it works fine.

Now I have to implement dragging with the NSTableView, so I subclassed the NSArrayController as myNSArrayController and set it as the NSTableView's delegate (of course I put in it the methods for NSTableView dragging operations).

Unfortunately nothing happens, I mean the methods for dragging (e.g. (BOOL)tableView:writeRowsWithIndexes:toPasteboard:) are never called. Practically I followed all the steps I found in Drag and "Drop Programming Topics for Cocoa"->"Using Drag and Drop in Tables" (I also looked at the samples DragNDropOutlineView and WithAndWithoutBindings).

Is it possible that I forgot some crucial binding? Unfortunately I couldn't open (!?) WithBindings's nib file in order to see the actual bindings. Got any idea?

Many thanks in advance.
Best regards,
livio.
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