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/*******************************************************************************
* Copyright (c) 2007, 2008 Borland Software Corporation and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* Contributors:
* Borland Software Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.m2m.internal.qvt.oml.editor.ui.hovers;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.m2m.internal.qvt.oml.editor.ui.CSTHelper;
import org.eclipse.m2m.internal.qvt.oml.editor.ui.hyperlinks.PathNameHyperlinkDetector;
import org.eclipse.m2m.internal.qvt.oml.expressions.ModelType;
import org.eclipse.ocl.cst.CSTNode;
import org.eclipse.ocl.ecore.EcoreEnvironment;
public class PathNameInfoProvider implements IElementInfoProvider {
public String getElementInfo(final Object element, ITextViewer textViewer, IRegion region) {
if (element instanceof CSTNode) {
CSTNode syntaxElement = (CSTNode) element;
EModelElement referencedElement = PathNameHyperlinkDetector.findReferencedElementDefinition(syntaxElement, region);
if(referencedElement instanceof ModelType) {
StringBuilder buf = new StringBuilder();
int counter = 0;
ModelType modelType = (ModelType) referencedElement;
for (EPackage nextPackage : modelType.getMetamodel()) {
if(counter > 0) {
buf.append('\n');
}
if(nextPackage.getName() != null) {
buf.append(nextPackage.getName());
}
if(nextPackage.getNsURI() != null) {
buf.append(" - ").append(nextPackage.getNsURI()); //$NON-NLS-1$
}
counter++;
}
return buf.toString();
}
EcoreEnvironment env = CSTHelper.getEnvironment(syntaxElement);
if(env != null) {
return env.getUMLReflection().getQualifiedName(referencedElement);
}
}
return null;
}
}
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