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How to implement Quick Fix / Quick Assist for custom editor? [message #781144]

Fri, 20 January 2012 12:22

Baris Akar
Messages: 2
Registered: January 2012

Junior Member

Hi,

I have extended org.eclipse.ui.editors.text.TextEditor to implement a custom editor.
For this editor, I have defined a marker type (org.eclipse.core.resources.markers extension point) and an annotation type (org.eclipse.ui.editors.annotationTypes extension point) to mark specific parts of code in my editor. I use a reconciler to update my annotation model.

Now I want to add a quick fix / quick assist feature. I simply want eclipse, to show a box with proposals, when I hover over an annotated part of the code and replace that part with a given string, when I click on a proposal. Just like the quick fix feature for the java editor.

So, what is the best way to implement this behavior?

I read about marker resolution generators and quick assist processors, but I'm still confused how it all works together...

I would be glad, if someone could point me to the right direction.

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Re: How to implement Quick Fix / Quick Assist for custom editor? [message #783193 is a reply to message #781144]

Wed, 25 January 2012 04:09

Baris Akar
Messages: 2
Registered: January 2012

Junior Member

I finally found out how to get Quick Fix to work for my editor.

I use the annotationTypes extension point to register my own annotation type and the markerAnnotationSpecification extension point to specify the look and feel. In my custom SourceViewerConfiguration class I override getAnnotationHover(...) to return a DefaultAnnotationHover object and getTextHover(...) to return a DefaultTextHover object, so the annotations are shown in my source viewer.

Then I override getReconciler(...) to return a MonoReconciler with my own implementation of IReconcilingStrategy to create the annotations in its reconcile(...) method. And finally I override getQuickAssistAssistant(...) to return a QuickAssistAssistant with my own implementation of IQuickAssistProcessor. The computeQuickAssistProposals(...) method in the processor class computes the quick fix proposals which show up, when I press CTRL+1.

I don't create any Marker objects and don't use a MarkerResolutionGenerator, since the marker concept is much more heavyweight than using only annotations and the functionality which annotations provide fits my needs.

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