/*******************************************************************************
* Copyright (c) 2014 Zend Technologies 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:
* Zend Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.php.internal.ui.workingset;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.internal.ui.workingsets.WorkingSetFilter;
/**
* Overrides the DLTK working set filter to filter model elements only based on
* their resource path enclosure.
*
* @author Kaloyan Raev
*/
public class PHPWorkingSetFilter extends WorkingSetFilter {
private IAdaptable[] fCachedWorkingSet = null;
@Override
public boolean isEnclosing(IModelElement element) {
Assert.isNotNull(element);
IAdaptable[] cachedWorkingSet = fCachedWorkingSet;
if (cachedWorkingSet == null)
cachedWorkingSet = getWorkingSet().getElements();
IResource resource = (IResource) element.getAdapter(IResource.class);
if (resource == null)
return false;
IPath path = resource.getFullPath();
for (int i = 0; i < cachedWorkingSet.length; i++) {
// compare resource paths
if (isEnclosing(cachedWorkingSet[i], path))
return true;
}
return false;
}
private boolean isEnclosing(IAdaptable element, IPath path) {
if (path == null)
return false;
IPath elementPath = null;
IResource elementResource = (IResource) element
.getAdapter(IResource.class);
if (elementResource != null)
elementPath = elementResource.getFullPath();
if (elementPath == null) {
IModelElement scriptElement = (IModelElement) element
.getAdapter(IModelElement.class);
if (scriptElement != null)
elementPath = scriptElement.getPath();
}
if (elementPath == null && element instanceof IStorage)
elementPath = ((IStorage) element).getFullPath();
if (elementPath == null)
return false;
if (elementPath.isPrefixOf(path))
return true;
if (path.isPrefixOf(elementPath))
return true;
return false;
}
}