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/*****************************************************************************
* Copyright (c) 2013, 2016 CEA LIST, Christian W. Damus, 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:
* CEA LIST - Initial API and implementation
* Christian W. Damus (CEA LIST) - Fix leaking of all UML models in search results
* Christian W. Damus - bug 485220
*
*****************************************************************************/
package org.eclipse.papyrus.uml.search.ui.query;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.core.sashwindows.di.service.IPageManager;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForEObject;
import org.eclipse.papyrus.uml.search.ui.Activator;
import org.eclipse.papyrus.uml.search.ui.results.PapyrusSearchResult;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.uml2.uml.Element;
/**
*
* Papyrus specific search query
*
*/
public abstract class AbstractPapyrusQuery implements ISearchQuery {
protected SubMonitor progressMonitor;
/**
* Getter for the text query
*
* @return the the query text
*/
public abstract String getSearchQueryText();
public boolean isCaseSensitive() {
return false;
}
public boolean isRegularExpression() {
return false;
}
//
// Nested types
//
public static final class Empty extends AbstractPapyrusQuery {
public static final Empty INSTANCE = new Empty();
private Empty() {
super();
}
public IStatus run(IProgressMonitor monitor) throws OperationCanceledException {
return Status.OK_STATUS;
}
public String getLabel() {
return "Empty Papyrus Search";
}
public boolean canRerun() {
return true;
}
public boolean canRunInBackground() {
return true;
}
public PapyrusSearchResult getSearchResult() {
return new PapyrusSearchResult(this);
}
@Override
public String getSearchQueryText() {
return "";
}
}
/**
* Get views in which the UML element is shown
*
* @param element
* @return
*/
protected List<View> getViews(Element element) {
if (element == null) {
return null;
}
IPageManager pageManager;
try {
pageManager = ServiceUtilsForEObject.getInstance().getService(IPageManager.class, element);
} catch (ServiceException e) {
Activator.log.error(e);
return null;
}
List<View> viewsToSelect = new LinkedList<View>();
try {
for (Object page : pageManager.allPages()) {
try {
if (page instanceof View) {
View view = (View) page;
TreeIterator<EObject> allViews = view.eAllContents();
while (allViews.hasNext()) {
EObject next = allViews.next();
if (!(next instanceof View)) {
allViews.prune();
continue;
}
View nextView = (View) next;
if (element.equals(nextView.getElement())) {
viewsToSelect.add(nextView);
allViews.prune();
}
}
}
} catch (Exception e) {
Activator.log.error(e);
return null;
}
}
} catch (Exception e) {
Activator.log.error(e);
return null;
}
return viewsToSelect;
}
}
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