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EMF Compare dialog in standalone RCP application e4 [message #1767258]

Tue, 04 July 2017 09:16

Roman Zimmer

Messages: 27
Registered: November 2010

Junior Member

Hey @łl,

We are developing a RCP application based on e4. Currently, we have the requirement to display differences of our domain models and love to use EMF Compare for this. Unfortunately, I didn't find any information how to do this despite of a corresponding bug report. The component org.eclipse.emf.compare.ide.ui.e4 is merged a year ago, but I couldn't find the component via the update site nor any other way to download + install it.

Any help how to retrieve and use org.eclipse.emf.compare.ide.ui.e4 in our project is highly appreciated!

Thanks in advance,
Roman

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Re: EMF Compare dialog in standalone RCP application e4 [message #1767322 is a reply to message #1767258]

Tue, 04 July 2017 16:10

Roman Zimmer

Messages: 27
Registered: November 2010

Junior Member

Found another bug report for Compare. I suppose, this should have been merged, too, as I wanted to use CompareUI.openCompareDialog() for displaying the differences... :-/

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Re: EMF Compare dialog in standalone RCP application e4 [message #1767365 is a reply to message #1767258]

Wed, 05 July 2017 09:41

Stefan Dirix

Messages: 5
Registered: September 2015

Junior Member

Hi Roman.

Executing EMFCompare in E4 is still a niche use case, so currently you have to do a a few steps manually to get it running.

First you need to be able to run Platform/Compare within E4 because EMFCompare depends on it. Since Bug #473847 is not fixed yet, you need to checkout the "org.eclipse.compare" bundle from Platform/Team yourself, integrate it in your build and apply the patch from Gerrit #57628.

Then you need, as you noticed, the "org.eclipse.emf.compare.ide.ui.e4" bundle. This bundle exchanges a workbench-dependent component EMFCompare uses with a workbench-independent one. As reported in Bug #514296 this bundle is currently not provided via an update site. You therefore need to checkout the bundle from EMFCompare yourself and integrate it in your build.

Once you have done this, you should be able to run the EMFCompare Dialog in your E4 application.

One more hint: you should set some preferences programmatically to avoid for example the popups in EMFCompare linking to preference pages you do not have in E4.

I hope this helps.

Best regards,
Stefan

--
Stefan Dirix

Get professional Eclipse developer support from EclipseSource (see http://eclipsesource.com/en/services/developer-support/)

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Re: EMF Compare dialog in standalone RCP application e4 [message #1767456 is a reply to message #1767365]

Thu, 06 July 2017 08:46

Roman Zimmer

Messages: 27
Registered: November 2010

Junior Member

Hey Stefan,

thanks a lot for your advices! I hope all this will be integrated upstream some day... Nevertheless, with your help, I finally managed to get the compare dialog running in e4!

Essentially, it's working quiet good so far. I'm still struggling with the configuration and some functionality is throwing NPEs, but this is another topic ;)

Thanks again,
Roman

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Re: EMF Compare dialog in standalone RCP application e4 [message #1853308 is a reply to message #1767456]

Mon, 27 June 2022 13:00

V de Groot

Messages: 1
Registered: June 2022

Junior Member

Bug #473847 seems to be solved,

But as far as I know, the bundle is still not included in the Update site (Bug #514296 ) any progress since March 2017 ?

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Re: EMF Compare dialog in standalone RCP application e4 [message #1853471 is a reply to message #1853308]

Mon, 04 July 2022 06:48

Laurent Goubet

Messages: 1902
Registered: July 2009

Senior Member

Hello,

As you've already found out, this first requires us to fix Bug 514296 which had gone under the radar. This should be done for 2022-09 M1 due next tuesday.

Laurent Goubet
Obeo

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