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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
*
* 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.textedit.transition.xtext.ui.contentassist;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.expressions.IEvaluationContext;
import org.eclipse.papyrus.uml.textedit.transition.xtext.ui.editor.ContextEditorUtil;
import org.eclipse.ui.ISources;
import org.eclipse.ui.texteditor.ContentAssistAction;
import org.eclipse.xtext.ui.XtextUIMessages;
import org.eclipse.xtext.ui.editor.XtextEditor;
import org.eclipse.xtext.ui.editor.handler.ContentAssistHandler;
public class UmlTransitionContentAssistHandler extends ContentAssistHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
new ContentAssistAction(XtextUIMessages.getResourceBundle(), "ContentAssistProposal.",
ContextEditorUtil.currentEditor).run();
return this;
}
@Override
public void setEnabled(Object evaluationContext) {
boolean contentAssistAvailable = false;
if (evaluationContext instanceof IEvaluationContext) {
Object var = ((IEvaluationContext) evaluationContext).getVariable(ISources.ACTIVE_EDITOR_NAME);
// TODO: this is just for testing....
var = ContextEditorUtil.currentEditor;
// ////////////////////////////////////
if (var instanceof XtextEditor) {
contentAssistAvailable = ((XtextEditor) var).isContentAssistAvailable();
}
}
super.setBaseEnabled(contentAssistAvailable);
// super.setBaseEnabled(isEnabled() & contentAssistAvailable);
}
}
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