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toto22
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copy paste/move selected items
Nov 19th, 2008 at 1:07pm
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Is it possible to paste nodes from clipboard at a specific location, the PasteFromClipboard method takes an offset position and not the exact location.

The other option I had was to paste nodes with 0 offset and use the move operation, this works fine when I have a single node copy/paste operation but incase of multiple selections I don’t see any method to move an entire selection. Is it possible to move all the selected items?
  
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Stoyo
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Re: copy paste/move selected items
Reply #1 - Nov 19th, 2008 at 1:38pm
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It's a bit hackish, but you could do that by simulating users moving the selection to the specified position:

Code
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private void MoveSelection(Point newPosition)
{
	Point oldPosition = diagram.Selection.Bounds.Location;
	InteractionState ist = new InteractionState(diagram.Selection, 8, Action.Modify);
	ist.Start(oldPosition, diagram);
	ist.Update(newPosition, diagram);
	ist.Complete(newPosition, diagram);
}


I hope that helps,
Stoyan
  
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toto22
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Re: copy paste/move selected items
Reply #2 - Nov 19th, 2008 at 5:19pm
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thanks for the code.

what about the paste from clipboard, is it possible to paste nodes starting at a specific location?
  
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Stoyo
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Re: copy paste/move selected items
Reply #3 - Nov 19th, 2008 at 5:44pm
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If you know the original position of the items, you could calculate the offset from it to the position where you want the copies to appear and call PasteFromClipboard with that offset. Otherwise, you will have to call that MoveSelection method after PasteFromClipboard.

Stoyan
  
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IgorS
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Re: copy paste/move selected items
Reply #4 - Nov 25th, 2008 at 1:28pm
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Hi, Stoyan.
This code does't seem to be working properly with links. Nodes are moved correctly, but links somehow get absolutely wrong bounds.
  
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Stoyo
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Re: copy paste/move selected items
Reply #5 - Nov 25th, 2008 at 3:09pm
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Perhaps the links are auto-routed? What happens if you set AutoRoute = false for the selected links?

Stoyan
  
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IgorS
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Re: copy paste/move selected items
Reply #6 - Nov 26th, 2008 at 8:36am
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No, they aren't. I solved this by calling
link.ReassignAnchorPoints();
for each pasted link in Selection after moving it.

By the way. Can check if clipbord contains diagram items? I tried Clipboard.GetDataObject().GetData(typeof(Selection)) and Clipboard.GetDataObject().GetData(typeof(DiagramItemCollelection)) but both returned null..
  
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Stoyo
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Re: copy paste/move selected items
Reply #7 - Nov 26th, 2008 at 9:27am
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Use GetDataObject().GetDataPresent(typeof(MemoryStream)).

I hope that helps,
Stoyan
  
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IgorS
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Re: copy paste/move selected items
Reply #8 - Nov 27th, 2008 at 3:18pm
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Yep, it did Smiley Thanks a lot.
  
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