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Customize 'save' action [message #483184]

Mon, 31 August 2009 09:47

Mickael Istria
Messages: 611
Registered: July 2009
Location: Grenoble, France

Senior Member

Hi all,

I am trying to add some custom behavior on the Save action of my GMF diagram. More precisely, when saving file "foo" I'd like my custom save action to:
* Check for existence of a file "bar"
* save file "foo" if "bar" does not exist
* Rename "foo" into "bar".

I'd like to avoid modification of generated code, I'd really prefer to use providers extensions and override the definition of 'save' for my diagram in an extension.

Is this do-able? How should I proceed?

Regards,
Mickael

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Re: Customize 'save' action [message #483369 is a reply to message #483184]

Tue, 01 September 2009 07:29

Alexander Shatalin
Messages: 2928
Registered: July 2009

Senior Member

Hello Mickael,

You need to modify generated ???DocumentProvider.

-----------------
Alex Shatalin

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Re: Customize 'save' action [message #483610 is a reply to message #483369]

Wed, 02 September 2009 06:19

Mickael Istria
Messages: 611
Registered: July 2009
Location: Grenoble, France

Senior Member

Hello Alex,

Thanks for your tips.
However, I found a nicer solution. I share it with the newsgroup in case it may be helpful for someone else one day:

I simply overrode the ???DiagramEditor.performSave method to perform a "save as", specifying the name of target file in a URIEditorInput, depending on the semantic model. That is working well for my use case and is much easier to customize.

Regards,
Mickael

Alex Shatalin a écrit :
> Hello Mickael,
>
> You need to modify generated ???DocumentProvider.
>
> -----------------
> Alex Shatalin
>
>

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Re: Customize 'save' action [message #483635 is a reply to message #483610]

Wed, 02 September 2009 08:14

Mickael Istria
Messages: 611
Registered: July 2009
Location: Grenoble, France

Senior Member

Hi again,

Actually, this solution does not work so well because "save as" as an unexpected behavior when using same file for diagram and model.
I filed http://bugs.eclipse.org/288346 to describe the issue.

Mickael

Mickael Istria a écrit :
> Hello Alex,
>
> Thanks for your tips.
> However, I found a nicer solution. I share it with the newsgroup in case
> it may be helpful for someone else one day:
>
> I simply overrode the ???DiagramEditor.performSave method to perform a
> "save as", specifying the name of target file in a URIEditorInput,
> depending on the semantic model. That is working well for my use case
> and is much easier to customize.
>
> Regards,
> Mickael
>
> Alex Shatalin a écrit :
>> Hello Mickael,
>>
>> You need to modify generated ???DocumentProvider.
>>
>> -----------------
>> Alex Shatalin
>>
>>

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