Andrus Adamchik commented on CAY-1080:
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I haven't looked at this in a while, but IIRC Java integrates with the OS clipboard, so it would be ideal if CM copy/paste would operate using the clipboard as well. So this sort of makes it cross-project and also cross application. I.e. a user can paste what he copied to a text editor. (we can use XML serialization built into most mapping objects to provide text representation).
> Support for copy/paste of entities/attributes/relationships
> -----------------------------------------------------------
>
> Key: CAY-1080
> URL: https://issues.apache.org/cayenne/browse/CAY-1080
> Project: Cayenne
> Issue Type: New Feature
> Components: CayenneModeler GUI
> Affects Versions: 3.0
> Reporter: Andrey Razumovsky
> Assignee: Andrus Adamchik
>
> Support for copy/paste of entities/attributes/relationships.
> This is GSoC 2008 task.
> Some of my ideas follow.
> We can implement copy-paste in two ways.
> First: the buffer is valid only within a sole project. So when you open another project, copied data is lost.
> Second, the buffer is stored in whole modeler application, or even system buffer. This allows to copy data between different projects, but is more complex because we need to create shallow copies of entities, attrs etc. Personally I use only one cayenne.xml currently.
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