/*
* Copyright 2000-2016 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 com.intellij.vcs.log.impl;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.vcs.log.VcsLogProvider;
import com.intellij.vcs.log.VcsRef;
import org.jetbrains.annotations.NotNull;
import java.util.Comparator;
import java.util.Map;
public class VcsGoToRefComparator implements Comparator<VcsRef> {
@NotNull private final Map<VirtualFile, VcsLogProvider> myProviders;
public VcsGoToRefComparator(@NotNull Map<VirtualFile, VcsLogProvider> providers) {
myProviders = providers;
}
@Override
public int compare(@NotNull VcsRef ref1, @NotNull VcsRef ref2) {
VcsLogProvider provider1 = myProviders.get(ref1.getRoot());
VcsLogProvider provider2 = myProviders.get(ref2.getRoot());
if (provider1 == null) return provider2 == null ? ref1.getName().compareTo(ref2.getName()) : 1;
if (provider2 == null) return -1;
if (provider1 == provider2) {
return provider1.getReferenceManager().getLabelsOrderComparator().compare(ref1, ref2);
}
return provider1.getSupportedVcs().getName().compareTo(provider2.getSupportedVcs().getName());
}
}