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/*******************************************************************************
* Copyright (c) 2003, 2016 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Lars Vogel <Lars.Vogel@vogella.com> - Bug 490755
*******************************************************************************/
package org.eclipse.debug.internal.ui.sourcelookup;
import java.util.ArrayList;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.jface.viewers.ITreeContentProvider;
/**
* Provides content for a tree viewer that shows only containers.
*
* @since 3.0
*/
public class BasicContainerContentProvider implements ITreeContentProvider {
private boolean fShowClosedProjects = true;
/**
* Creates a new ResourceContentProvider.
*/
public BasicContainerContentProvider() {
}
@Override
public Object[] getChildren(Object element) {
if (element instanceof IWorkspaceRoot) {
// check if closed projects should be shown
IProject[] allProjects = ((IWorkspaceRoot) element).getProjects();
if (fShowClosedProjects) {
return allProjects;
}
ArrayList<IProject> accessibleProjects = new ArrayList<>();
for (IProject p : allProjects) {
if (p.isOpen()) {
accessibleProjects.add(p);
}
}
return accessibleProjects.toArray();
}
return new Object[0];
}
@Override
public Object[] getElements(Object element) {
return getChildren(element);
}
@Override
public Object getParent(Object element) {
if (element instanceof IResource) {
return ((IResource) element).getParent();
}
return null;
}
@Override
public boolean hasChildren(Object element) {
return getChildren(element).length > 0;
}
}
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