/******************************************************************************* | |
* Copyright (c) 2010 Mia-Software 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: | |
* Nicolas Bros (Mia-Software) | |
*******************************************************************************/ | |
package org.eclipse.modisco.infra.query.ui.filters; | |
import org.eclipse.emf.common.util.EList; | |
import org.eclipse.emf.ecore.EClass; | |
import org.eclipse.emf.ecore.EcorePackage; | |
import org.eclipse.jface.viewers.Viewer; | |
import org.eclipse.jface.viewers.ViewerFilter; | |
import org.eclipse.modisco.infra.query.ModelQuery; | |
/** | |
* @deprecated replaced by EMF Facet, cf. https://bugs.eclipse.org/bugs/show_bug.cgi?id=470578 | |
*/ | |
@Deprecated | |
public class QueryScopeFilter extends ViewerFilter { | |
private final EClass expectedScope; | |
public QueryScopeFilter(final EClass expectedScope) { | |
this.expectedScope = expectedScope; | |
} | |
@Override | |
public boolean select(final Viewer viewer, final Object parentElement, final Object element) { | |
if (element instanceof ModelQuery) { | |
ModelQuery modelQuery = (ModelQuery) element; | |
return hasExpectedScope(modelQuery); | |
} | |
return true; | |
} | |
private boolean hasExpectedScope(final ModelQuery modelQuery) { | |
EList<EClass> scope = modelQuery.getScope(); | |
if (scope.isEmpty()) { | |
return true; | |
} | |
for (EClass aScope : scope) { | |
// Bug 309436 - A query having EObject as scope should be applicable | |
// to any model element | |
if (aScope.isSuperTypeOf(this.expectedScope) || aScope == EcorePackage.Literals.EOBJECT) { | |
return true; | |
} | |
} | |
return false; | |
} | |
} |