[jira] Commented: (CAY-1080) Support for copy/paste of entities/attributes/relationships

["Kevin Menard (JIRA)" <de...@cayenne.apache.org>]

    [ https://issues.apache.org/cayenne/browse/CAY-1080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13091#action_13091 ] 

Kevin Menard commented on CAY-1080:
-----------------------------------

I've just gotten a chance to look at this.  A few things jump out immediately.

1) I have to chew over the changes to Cayenne core a bit more.  Off hand, they don't seem bad, but something feels weird about it.

2) While I can appreciate the cut working like a remove, it's a bit weird to be prompted to delete the item.

3) I can't paste an ObjEntity I just cut back to the same DataMap.  With the lack of an undo feature, the only reasonable thing for me to do is a revert the datamap.

4) I think my font changed for labels.  I'll have to verify that.

Looking at #3 again, actually, I can't seem to paste at all.  I even tried creating a new DataMap and was unable to paste the ObjEntity to that.

> 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: Kevin Menard
>         Attachments: 1080.zip
>
>
> 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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