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Automatically adding Xtext nature to project [message #1060791]

Tue, 28 May 2013 12:46

Phil H

Messages: 267
Registered: November 2012

Senior Member

Hi,

I'm using a GMF editor with xtext. In order to get xtext running corectly, it's necessary to add the xtext nature to the project. Is there way to do this automatically when I create a new gmf diagram. Therefor I'm using the following creation wizard:

<extension point="org.eclipse.ui.newWizards" id="creation-wizard">
    <category
        id="org.eclipse.ui.PLDev"
        name="Prod">
     </category>
     <wizard
       name="Prod"
       icon="icons/PldWizard.png"
       category="org.eclipse.ui.PLDev"
       class="pld.diagram.part.PldCreationWizard"
       id="pld.diagram.part.PldCreationWizardID">
       <description>Creates a new Productline</description>
      </wizard>
   </extension>

Is there a chance to extend the creation wizard in order to add a xtext nature to the project?

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Re: Automatically adding Xtext nature to project [message #1060796 is a reply to message #1060791]

Tue, 28 May 2013 12:54

Claudio Heeg

Messages: 75
Registered: April 2013

Member

I'm a little confused as to what you want to achieve precisely, but as far as programmatically adding the nature to a project goes, this thread came to mind:
http://www.eclipse.org/forums/index.php/m/718205/
Especially the two lines mentioned during the last post may be of interest?

From what I understand you have both a textual Xtext file and a graphical representation of it. Where and when do you want to add the nature now, automatically?

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Re: Automatically adding Xtext nature to project [message #1060799 is a reply to message #1060791]

Tue, 28 May 2013 12:56

Alexander Nittka

Messages: 1193
Registered: July 2009

Senior Member

Hi,

in the PldCreationWizard class, you should be able to obtain the project, inspect its natures and add the Xtext nature if necessary.

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: Automatically adding Xtext nature to project [message #1060982 is a reply to message #1060791]

Wed, 29 May 2013 12:19

Phil H

Messages: 267
Registered: November 2012

Senior Member

thx for the suggestions, it's working great now. For those looking also for this, here is the code:

ISelectionService selectionService = workbench.getActiveWorkbenchWindow().getSelectionService();
   if (selection instanceof IStructuredSelection) {
      Object element = ((IStructuredSelection) selection).getFirstElement();
      if (element instanceof IResource) {
	 IProject project = ((IResource) element).getProject();
	 try {
	   if (!project.hasNature("org.eclipse.xtext.ui.shared.xtextNature")) {
	      IProjectDescription description = project.getDescription();
	      description.setNatureIds(new String[] { "org.eclipse.xtext.ui.shared.xtextNature" });
	      project.setDescription(description, null);
	   }
	 } catch (CoreException e) {
	   e.printStackTrace();
         }
      }
   }

Cheers,
Phil

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