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XtextEditor with folding disabled by default [message #1014812]

Tue, 26 February 2013 14:06

Marco Naddeo

Messages: 62
Registered: November 2012

Member

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

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

Tue, 26 February 2013 18:13

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi,

simply subclassing DefaultFoldingRegionProvider and binding it doesnt work?

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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

Wed, 27 February 2013 09:16

Marco Naddeo

Messages: 62
Registered: November 2012

Member

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

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

Wed, 27 February 2013 09:22

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

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

--
Need training, onsite consulting or any other kind of help for Xtext?
Go visit http://xtext.itemis.com or send a mail to xtext at itemis dot de

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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

Wed, 27 February 2013 18:53

Alexander Nittka

Messages: 1193
Registered: July 2009

Senior Member

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

Need training, onsite consulting or any other kind of help for Xtext?
Go visit http://xtext.itemis.com or send a mail to xtext@itemis.de

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

Wed, 27 February 2013 19:08

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

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

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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