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Custom merge viewer [message #1264636]

Wed, 05 March 2014 11:23

Thomas Laegler is currently offline

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Messages: 4
Registered: February 2014

Junior Member

Hi everybody,

Im using EMF-Compare and made some customizations. Now i want to show a SWT.Browser, when the Diff is a certain Xhtml-Element. Which classes do I have to extend?

What I have until now:

a custom HtmlMergeViewerCreator implements IViewerCreator
a custom HtmlMergeViewer extends ContentMergeViewer
and a extension to extension-point org.eclipse.compare.contentMergeViewers in plugin.xml, which points to my HtmlMergeViewerCreator

When I compare two files, my custom merge viewer opens on the first Diff.
But when i navigate to a HTML Diff the default EMF Model Compare opens instead of my custom merge viewer. And I can't select my HTML Viewer

What is missing? Anybody knows? Every hint is appreciated!

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Re: Custom merge viewer [message #1265749 is a reply to message #1264636]

Thu, 06 March 2014 14:04

Axel RICHARD is currently offline

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Messages: 35
Registered: September 2010
Location: France

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Hi,

I think you should add your own Accessor for Xhtml-Elements. In EMF Compare, Accessors allows to bind elements in the StructureMergeViewer (top panel) to the elements in the ContentMergeViewers (down panels).
The extension point is org.eclipse.emf.compare.rcp.ui.accessorFactory.
You'll have to provide to this extension point a specialization of http://git.eclipse.org/c/emfcompare/org.eclipse.emf.compare.git/tree/plugins/org.eclipse.emf.compare.rcp.ui/src/org/eclipse/emf/compare/rcp/ui/internal/contentmergeviewer/accessor/factory/impl/AbstractAccessorFactory.java and a ranking. This ranking must be greater than the existing ones (> 15).
You can find examples of existing AccessorFactories here: http://git.eclipse.org/c/emfcompare/org.eclipse.emf.compare.git/tree/plugins/org.eclipse.emf.compare.rcp.ui/src/org/eclipse/emf/compare/rcp/ui/internal/contentmergeviewer/accessor/factory/impl
These AccessorFactories are used in the http://git.eclipse.org/c/emfcompare/org.eclipse.emf.compare.git/tree/plugins/org.eclipse.emf.compare.rcp.ui/plugin.xml

Hope it can help you.

Axel

Axel Richard
Obeo

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