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XtextEditor with folding disabled by default [message #1014812]

Tue, 26 February 2013 09:06

Eclipse User

I need to have a XtextEditor which has folding disabled by default.

In other words, I want that folding is disabled by default, in the same way the user can disable it by deselecting "Folding" -> "Enable Folding" from the context menu.

How can I get that?

Thanks in advance
Marco

Re: XtextEditor with folding disabled by default [message #1014908 is a reply to message #1014812]

Tue, 26 February 2013 13:13

Eclipse User

Hi,

simply subclassing DefaultFoldingRegionProvider and binding it doesnt work?

Re: XtextEditor with folding disabled by default [message #1015032 is a reply to message #1014908]

Wed, 27 February 2013 04:16

Eclipse User

Ok, it works by overriding getFoldingRegions method Smile

, but if I only want to change the preference value (disabling it by default and not completely), how can I do it?

In addition, is there a way to completely disable the folding from the context menu?

Thanks again,
Marco

Re: XtextEditor with folding disabled by default [message #1015037 is a reply to message #1015032]

Wed, 27 February 2013 04:22

Eclipse User

Hi by accessing the preference store in the method :) the preference
store is not really Xtext specific

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Re: XtextEditor with folding disabled by default [message #1015213 is a reply to message #1015032]

Wed, 27 February 2013 13:53

Eclipse User

Hi,

regarding the second question, bind your own implementation of XtextEditor and override the rulerContextMenuAboutToShow method. You should be able to remove the foldingMenu again.

Alex

Re: XtextEditor with folding disabled by default [message #1015215 is a reply to message #1015213]

Wed, 27 February 2013 14:08

Eclipse User

Alternatively (if you want to use the default behaviour but only not to use folding at the beginning you may override
org.eclipse.xtext.ui.editor.XtextEditor.installFoldingSupport(ProjectionViewer)
and e.g. calling projectionViewer.doOperation(ProjectionViewer.TOGGLE); once mor
so that folding is disabled again

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