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/*******************************************************************************
* Copyright (c) 2005, 2013 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.launchConfigurations;
import java.util.ArrayList;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkingSet;
/**
* creates a filter for the current working sets in use on the workbench to be applied in the launch configuration
* dialog and the launch history/last launched
*
* @since 3.2
*/
public class WorkingSetsFilter extends ViewerFilter {
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if(element instanceof ILaunchConfigurationType) {
return true;
}
if(element instanceof ILaunchConfiguration) {
ILaunchConfiguration config = (ILaunchConfiguration)element;
try {
IResource[] resources = config.getMappedResources();
if(resources == null) {
return true;
}
IWorkbenchWindow window = DebugUIPlugin.getActiveWorkbenchWindow();
if(window == null) {
return true;
}
IWorkbenchPage page = window.getActivePage();
if(page == null) {
return true;
}
IWorkingSet[] wsets = page.getWorkingSets();
if(wsets.length < 1) {
return true;
}
//remove breakpoint working sets
ArrayList<IWorkingSet> ws = new ArrayList<IWorkingSet>();
for (int i = 0; i < wsets.length; i++) {
if(!IDebugUIConstants.BREAKPOINT_WORKINGSET_ID.equals(wsets[i].getId())) {
ws.add(wsets[i]);
}
}
if(ws.isEmpty()) {
return true;
}
for (int i = 0; i < resources.length; i++) {
if(workingSetContains(ws.toArray(new IWorkingSet[ws.size()]), resources[i])) {
return true;
}
}
}
catch (CoreException e) {}
}
return false;
}
/**
* Determines if the specified group of working sets contains the specified resource.
* @param wsets the set of working sets to examine
* @param res the resource to check for containment
* @return true iff any one of the specified working sets contains the specified resource
* @since 3.2
*/
public static boolean workingSetContains(IWorkingSet[] wsets, IResource res) {
ArrayList<IResource> parents = new ArrayList<IResource>();
parents.add(res);
while(res != null) {
res = res.getParent();
if(res != null) {
parents.add(res);
}
}
IResource lres = null;
for(int i = 0; i < wsets.length; i++) {
IAdaptable[] elements = wsets[i].getElements();
for(int j = 0; j < elements.length; j++) {
lres = elements[j].getAdapter(IResource.class);
if(lres != null) {
if(parents.contains(lres)) {
return true;
}
}
}
}
return false;
}
}
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