/**
* Copyright (c) 2015 committers of YAKINDU and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* Contributors:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.sct.model.stext.ui.contentassist;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.xtext.nodemodel.INode;
import org.eclipse.xtext.parser.IParseResult;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext.Builder;
import org.eclipse.xtext.ui.editor.contentassist.antlr.ParserBasedContentAssistContextFactory.StatefulFactory;
/**
* This class is used to always set a current model when the context for the
* proposal provider is created. It is used to propose Events as Transition
* triggers.
*
*/
public class STextStatefulFactory extends StatefulFactory {
private IParseResult parseResult;
@Override
public ContentAssistContext[] create(ITextViewer viewer, int offset,
XtextResource resource) throws BadLocationException {
this.parseResult = resource.getParseResult();
return super.create(viewer, offset, resource);
}
@Override
public Builder doCreateContext(INode lastCompleteNode,
EObject currentModel, EObject previousModel, INode currentNode,
String prefix) {
if (currentModel == null) {
currentModel = parseResult.getRootASTElement();
}
Builder result = super.doCreateContext(lastCompleteNode, currentModel,
previousModel, currentNode, prefix);
return result;
}
}