/*
* Copyright 2003-2011 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.workbench.structureview.adds;
import com.intellij.ide.util.treeView.smartTree.ActionPresentation;
import com.intellij.ide.util.treeView.smartTree.ActionPresentationData;
import com.intellij.ide.util.treeView.smartTree.Sorter;
import jetbrains.mps.plugins.relations.RelationDescriptor;
import org.jetbrains.annotations.NotNull;
import java.util.Comparator;
public class AspectSorter implements Sorter {
@Override
public Comparator getComparator() {
return new EditorTabComparator();
}
@Override
public boolean isVisible() {
return false;
}
@Override
@NotNull
public ActionPresentation getPresentation() {
return new ActionPresentationData("Sort Aspects", "", null);
}
@Override
@NotNull
public String getName() {
return "AspectSorter";
}
private static class EditorTabComparator implements Comparator{
@Override
public int compare(Object o1, Object o2) {
if (!(o1 instanceof AspectGroup || o2 instanceof AspectGroup)) return 0;
if (!(o1 instanceof AspectGroup)) return -1;
if (!(o2 instanceof AspectGroup)) return 1;
RelationDescriptor d1 = ((AspectGroup) o1).getTab();
RelationDescriptor d2 = ((AspectGroup) o2).getTab();
int r1 = d1.compareTo(d2);
int r2 = d2.compareTo(d1);
if ((r1 == 0) ^ (r2 == 0)) return r1 - r2;
assert r1 * r2 <= 0 : "can't determine order";
return r1;
}
}
}