/*
* 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.history.integration;
import com.intellij.history.core.LabelImpl;
import com.intellij.history.core.revisions.ChangeRevision;
import com.intellij.history.core.revisions.Revision;
import com.intellij.history.integration.ui.models.HistoryDialogModel;
import com.intellij.history.integration.ui.models.RevisionItem;
import com.intellij.openapi.util.Condition;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.List;
public class LocalHistoryUtil {
static int findRevisionIndexToRevert(@NotNull HistoryDialogModel dirHistoryModel, @NotNull LabelImpl label) {
List<RevisionItem> revs = dirHistoryModel.getRevisions();
for (int i = 0; i < revs.size(); i++) {
final RevisionItem rev = revs.get(i);
if (isLabelRevision(rev, label)) return i;
//when lvcs model is not constructed yet or is empty then PutLabelChange is created but without label, so we need to scan revisions themselves
if (isChangeWithId(rev.revision, label.getLabelChangeId())) return i;
}
return -1;
}
static boolean isLabelRevision(@NotNull RevisionItem rev, @NotNull LabelImpl label) {
final long targetChangeId = label.getLabelChangeId();
return ContainerUtil.exists(rev.labels, revision -> isChangeWithId(revision, targetChangeId));
}
private static boolean isChangeWithId(@NotNull Revision revision, long targetChangeId) {
return revision instanceof ChangeRevision && ((ChangeRevision)revision).containsChangeWithId(targetChangeId);
}
}