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/*******************************************************************************
* Copyright (c) 2006, 2010 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
*******************************************************************************/
package org.eclipse.team.internal.ui.mapping;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.IModelProviderDescriptor;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.jface.viewers.*;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.ui.navigator.CommonViewerSorter;
import org.eclipse.ui.views.navigator.ResourceComparator;
public class TeamViewerSorter extends TreePathViewerSorter {
private CommonViewerSorter sorter;
private ResourceComparator resourceComparator;
public TeamViewerSorter(CommonViewerSorter sorter) {
this.sorter = sorter;
this.resourceComparator = new ResourceComparator(ResourceComparator.NAME);
}
@Override
public int category(Object element) {
if (element instanceof ModelProvider) {
return 2;
}
IResource resource = Utils.getResource(element);
if (resource != null && resource.getType() == IResource.PROJECT) {
return 1;
}
return super.category(element);
}
@Override
public int compare(Viewer viewer, TreePath parentPath, Object e1, Object e2) {
if (parentPath == null || parentPath.getSegmentCount() == 0) {
// We need to handle the sorting at the top level
int cat1 = category(e1);
int cat2 = category(e2);
if (cat1 != cat2)
return cat1 - cat2;
if (e1 instanceof ModelProvider && e2 instanceof ModelProvider) {
ModelProvider mp1 = (ModelProvider) e1;
ModelProvider mp2 = (ModelProvider) e2;
if (isExtends(mp1, mp2.getDescriptor())) {
return 1;
}
if (isExtends(mp2, mp1.getDescriptor())) {
return -1;
}
return mp1.getDescriptor().getLabel().compareTo(mp2.getDescriptor().getLabel());
}
IResource r1 = Utils.getResource(e1);
IResource r2 = Utils.getResource(e2);
if (r1 != null && r2 != null) {
return resourceComparator.compare(viewer, r1, r2);
}
}
return sorter.compare(viewer, parentPath, e1, e2);
}
private boolean isExtends(ModelProvider mp1, IModelProviderDescriptor desc) {
String[] extended = mp1.getDescriptor().getExtendedModels();
for (int i = 0; i < extended.length; i++) {
String id = extended[i];
if (id.equals(desc.getId())) {
return true;
}
}
for (int i = 0; i < extended.length; i++) {
String id = extended[i];
IModelProviderDescriptor desc2 = ModelProvider.getModelProviderDescriptor(id);
if (isExtends(mp1, desc2)) {
return true;
}
}
return false;
}
}
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