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/*
* Copyright 2000-2014 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 org.zmlx.hg4idea.provider;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.VcsException;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vcs.history.BaseDiffFromHistoryHandler;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.vcsUtil.VcsUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.zmlx.hg4idea.HgFileRevision;
import org.zmlx.hg4idea.util.HgUtil;
import java.util.List;
/**
* {@link com.intellij.openapi.vcs.history.DiffFromHistoryHandler#showDiffForTwo(com.intellij.openapi.vcs.FilePath, com.intellij.openapi.vcs.history.VcsFileRevision, com.intellij.openapi.vcs.history.VcsFileRevision) "Show Diff" for 2 revision} calls the common code.
*
* @author Nadya Zabrodina
*/
public class HgDiffFromHistoryHandler extends BaseDiffFromHistoryHandler<HgFileRevision> {
private static final Logger LOG = Logger.getInstance(HgDiffFromHistoryHandler.class);
public HgDiffFromHistoryHandler(@NotNull Project project) {
super(project);
}
@NotNull
@Override
protected List<Change> getChangesBetweenRevisions(@NotNull FilePath path, @NotNull HgFileRevision rev1, @Nullable HgFileRevision rev2) {
return executeDiff(path, rev1, rev2);
}
@NotNull
@Override
protected List<Change> getAffectedChanges(@NotNull FilePath path, @NotNull HgFileRevision rev) throws VcsException {
return executeDiff(path, null, rev);
}
@NotNull
@Override
protected String getPresentableName(@NotNull HgFileRevision revision) {
return revision.getRevisionNumber().getChangeset();
}
@NotNull
private List<Change> executeDiff(@NotNull FilePath path, @Nullable HgFileRevision rev1, @Nullable HgFileRevision rev2) {
VirtualFile root = VcsUtil.getVcsRootFor(myProject, path);
LOG.assertTrue(root != null, "Repository is null for " + path);
return HgUtil.getDiff(myProject, root, path, rev1, rev2);
}
}
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