Home » Modeling » GMF (Graphical Modeling Framework) » Doubt regarding copy/paste
| Doubt regarding copy/paste [message #191852] |
Tue, 10 June 2008 10:20  |
Eclipse User |
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Originally posted by: mike.gmail.com
Hello all,
I am working on an RCP application which has a number of custom plugins
using GMF. When I copy/paste a component in the same window, the new
component renames itself as Copy_*_componentname where * is the number,
1-n based on the number of times the component is pasted.
eg. Component named "A" after copy pasting becomes "Copy_1_A". I don't
want the components to be renamed after pasting. ie. "A" should be "A"
itself after pasting.
Can anyone please guide me where to look for to fix this. I believe this
is done some where inside the GMF/EMF plugin classes. I have been
searching with no luck so far. Any help will be appreciated.
Hoping to hear from some one.
Thanks in advance,
mike
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| Re: Doubt regarding copy/paste [message #191968 is a reply to message #191852] |
Tue, 10 June 2008 16:02  |
| Eclipse User |
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Originally posted by: cdamus.zeligsoft.com
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Hi, Mike,
The renaming of the pasted element is done by the
ClipboardSupportUtil::rename(...) method called by the
PasteChildOperation::handleCollision(...) method. Looking in there, I
see this:
public static void rename(Collection list, EObject eObject, String
prefix) {
if (isNameable(eObject) == false) {
return;
}
Depending on what other use the copy/paste infra makes of the
isNameable(EObject) method, you might be able to define the
IClipboardSupport::isNameable(EObject) for your Ecore model as
indicating that your elements are not nameable.
I have not tried this.
HTH,
Christian
On Tue, 2008-06-10 at 10:20 +0000, Mike wrote:
> Hello all,
>
>
> I am working on an RCP application which has a number of custom plugins
> using GMF. When I copy/paste a component in the same window, the new
> component renames itself as Copy_*_componentname where * is the number,
> 1-n based on the number of times the component is pasted.
>
> eg. Component named "A" after copy pasting becomes "Copy_1_A". I don't
> want the components to be renamed after pasting. ie. "A" should be "A"
> itself after pasting.
>
> Can anyone please guide me where to look for to fix this. I believe this
> is done some where inside the GMF/EMF plugin classes. I have been
> searching with no luck so far. Any help will be appreciated.
>
> Hoping to hear from some one.
>
> Thanks in advance,
>
> mike
>
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<HTML>
<HEAD>
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Hi, Mike,<BR>
<BR>
The renaming of the pasted element is done by the ClipboardSupportUtil::rename(...) method called by the PasteChildOperation::handleCollision(...) method. Looking in there, I see this:<BR>
<BR>
public static void rename(Collection list, EObject eObject, String prefix) {<BR>
if (isNameable(eObject) == false) {<BR>
return;<BR>
}<BR>
<BR>
Depending on what other use the copy/paste infra makes of the isNameable(EObject) method, you might be able to define the IClipboardSupport::isNameable(EObject) for your Ecore model as indicating that your elements are not nameable.<BR>
<BR>
I have not tried this.<BR>
<BR>
HTH,<BR>
<BR>
Christian<BR>
<BR>
<BR>
On Tue, 2008-06-10 at 10:20 +0000, Mike wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE>
<FONT COLOR="#000000">Hello all,</FONT>
<FONT COLOR="#000000">I am working on an RCP application which has a number of custom plugins </FONT>
<FONT COLOR="#000000">using GMF. When I copy/paste a component in the same window, the new </FONT>
<FONT COLOR="#000000">component renames itself as Copy_*_componentname where * is the number, </FONT>
<FONT COLOR="#000000">1-n based on the number of times the component is pasted.</FONT>
<FONT COLOR="#000000">eg. Component named "A" after copy pasting becomes "Copy_1_A". I don't </FONT>
<FONT COLOR="#000000">want the components to be renamed after pasting. ie. "A" should be "A" </FONT>
<FONT COLOR="#000000">itself after pasting.</FONT>
<FONT COLOR="#000000">Can anyone please guide me where to look for to fix this. I believe this </FONT>
<FONT COLOR="#000000">is done some where inside the GMF/EMF plugin classes. I have been </FONT>
<FONT COLOR="#000000">searching with no luck so far. Any help will be appreciated.</FONT>
<FONT COLOR="#000000">Hoping to hear from some one.</FONT>
<FONT COLOR="#000000">Thanks in advance,</FONT>
<FONT COLOR="#000000">mike</FONT>
</PRE>
</BLOCKQUOTE>
</BODY>
</HTML>
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| Re: Doubt regarding copy/paste [message #192105 is a reply to message #191968] |
Wed, 11 June 2008 14:16 |
| Eclipse User |
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Originally posted by: mike.gmail.com
Hello Christian,
First of all thanks for the response.
My plugin uses OverridePasteChildOperation for pasting. I tried to
override the function handleCollision in my plugin class that extends
OverridePasteChildOperation. As per
http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse. gmf.doc/reference/api/common/org/eclipse/gmf/runtime/emf/cli pboard/core/OverridePasteChildOperation.html
the method handleCollision is inherited from PasteChildOperation
To check whether it works, I commented the rename function call like this.
*************************code
Snippet******************************************
protected boolean handleCollision(EReference reference, List list,
EObject eObject, ObjectInfo eObjectInfo) {
...
//ClipboardSupportUtil.rename(list, eObject, COPY);
.....
.....
}
*************************code
Snippet******************************************
But it didn't work as expected. Still the Copy_*_ comes when I copy paste
a component. Am I missing anything here?
Is there a better way/method to test this out?
Thanks,
Mike
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| Re: Doubt regarding copy/paste [message #192198 is a reply to message #192105] |
Wed, 11 June 2008 23:04 |
| Eclipse User |
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Originally posted by: cdamus.zeligsoft.com
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Hi, Mike,
That is peculiar. My understanding of the OverridePasteChildOperation
is that it should, well, override the default paste behaviour. Perhaps
it just decorates it?
Put a breakpoint in the ClipboardSupportUtil::rename(...) method to see
why it is still being called. That's the best I can suggest, for now.
cW
On Wed, 2008-06-11 at 14:16 +0000, Mike wrote:
> Hello Christian,
>
> First of all thanks for the response.
>
> My plugin uses OverridePasteChildOperation for pasting. I tried to
> override the function handleCollision in my plugin class that extends
> OverridePasteChildOperation. As per
> http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse. gmf.doc/reference/api/common/org/eclipse/gmf/runtime/emf/cli pboard/core/OverridePasteChildOperation.html
> the method handleCollision is inherited from PasteChildOperation
>
> To check whether it works, I commented the rename function call like this.
>
> *************************code
> Snippet******************************************
> protected boolean handleCollision(EReference reference, List list,
> EObject eObject, ObjectInfo eObjectInfo) {
> ..
>
> //ClipboardSupportUtil.rename(list, eObject, COPY);
>
> ....
>
> ....
>
> }
>
>
> *************************code
> Snippet******************************************
>
> But it didn't work as expected. Still the Copy_*_ comes when I copy paste
> a component. Am I missing anything here?
>
> Is there a better way/method to test this out?
>
>
>
> Thanks,
>
> Mike
>
--=-i+KdAsbY9W5IYmUjPLF/
Content-Type: text/html; charset=utf-8
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8">
<META NAME="GENERATOR" CONTENT="GtkHTML/3.16.0">
</HEAD>
<BODY>
Hi, Mike,<BR>
<BR>
That is peculiar. My understanding of the OverridePasteChildOperation is that it should, well, override the default paste behaviour. Perhaps it just decorates it?<BR>
<BR>
Put a breakpoint in the ClipboardSupportUtil::rename(...) method to see why it is still being called. That's the best I can suggest, for now.<BR>
<BR>
cW<BR>
<BR>
On Wed, 2008-06-11 at 14:16 +0000, Mike wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE>
<FONT COLOR="#000000">Hello Christian,</FONT>
<FONT COLOR="#000000">First of all thanks for the response.</FONT>
<FONT COLOR="#000000">My plugin uses OverridePasteChildOperation for pasting. I tried to </FONT>
<FONT COLOR="#000000">override the function handleCollision in my plugin class that extends </FONT>
<FONT COLOR="#000000">OverridePasteChildOperation. As per </FONT>
<FONT COLOR="#000000"><A HREF=" http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse. gmf.doc/reference/api/common/org/eclipse/gmf/runtime/emf/cli pboard/core/OverridePasteChildOperation.html"> http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse. gmf.doc/reference/api/common/org/eclipse/gmf/runtime/emf/cli pboard/core/OverridePasteChildOperation.html</A></FONT>
<FONT COLOR="#000000">the method handleCollision is inherited from PasteChildOperation</FONT>
<FONT COLOR="#000000">To check whether it works, I commented the rename function call like this.</FONT>
<FONT COLOR="#000000">*************************code </FONT>
<FONT COLOR="#000000">Snippet****************************************** </FONT>
<FONT COLOR="#000000">protected boolean handleCollision(EReference reference, List list,</FONT>
<FONT COLOR="#000000"> EObject eObject, ObjectInfo eObjectInfo) {</FONT>
<FONT COLOR="#000000">..</FONT>
<FONT COLOR="#000000">//ClipboardSupportUtil.rename(list, eObject, COPY);</FONT>
<FONT COLOR="#000000">....</FONT>
<FONT COLOR="#000000">....</FONT>
<FONT COLOR="#000000">}</FONT>
<FONT COLOR="#000000">*************************code </FONT>
<FONT COLOR="#000000">Snippet****************************************** </FONT>
<FONT COLOR="#000000">But it didn't work as expected. Still the Copy_*_ comes when I copy paste </FONT>
<FONT COLOR="#000000">a component. Am I missing anything here?</FONT>
<FONT COLOR="#000000">Is there a better way/method to test this out?</FONT>
<FONT COLOR="#000000">Thanks,</FONT>
<FONT COLOR="#000000">Mike</FONT>
</PRE>
</BLOCKQUOTE>
</BODY>
</HTML>
--=-i+KdAsbY9W5IYmUjPLF/--
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| Re: Doubt regarding copy/paste [message #192473 is a reply to message #192198] |
Fri, 13 June 2008 12:05 |
| Eclipse User |
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Originally posted by: mike.gmail.com
No luck so far...
I tried overriding the isNameable(EObject eObject) method in my class that
implements IClipboardSupport like this.
***************code*********************************
@Override
public boolean isNameable(EObject eObject) {
return false;
}
***************code**********************************
That doesn't work either.
Is there any other method to solve this out? I want the execution to
break and return with out renaming my component.Either
handleCollision(...) should not be called at first place or the rename
shouldn't happen and return when it enters
****************code*****************
ClipboardSupportUtil.java
--------------------------
public static void rename(Collection list, EObject eObject, String prefix)
{
if (isNameable(eObject) == false) {
return;
}
..........
}
****************code*****************
Hope someone will be able to help me out.
Thanks,
Mike
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