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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 com.intellij.dvcs.ui;
import com.intellij.dvcs.repo.Repository;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.containers.MultiMap;
import com.intellij.vcs.log.VcsFullCommitDetails;
import com.intellij.vcs.log.VcsLog;
import com.intellij.vcs.log.VcsLogDataKeys;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
public abstract class VcsLogAction<Repo extends Repository> extends DumbAwareAction {
@Override
public void actionPerformed(AnActionEvent e) {
Project project = e.getRequiredData(CommonDataKeys.PROJECT);
VcsLog log = e.getRequiredData(VcsLogDataKeys.VSC_LOG);
List<VcsFullCommitDetails> details = log.getSelectedDetails();
MultiMap<Repo, VcsFullCommitDetails> grouped = groupByRootWithCheck(project, details);
assert grouped != null;
actionPerformed(project, grouped);
}
@Override
public void update(AnActionEvent e) {
Project project = e.getProject();
VcsLog log = e.getData(VcsLogDataKeys.VSC_LOG);
if (project == null || log == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
List<VcsFullCommitDetails> details = log.getSelectedDetails();
MultiMap<Repo, VcsFullCommitDetails> grouped = groupByRootWithCheck(project, details);
if (grouped == null) {
e.getPresentation().setEnabledAndVisible(false);
}
else {
e.getPresentation().setVisible(true);
e.getPresentation().setEnabled(!grouped.isEmpty() && isEnabled(grouped));
}
}
protected abstract void actionPerformed(@NotNull Project project, @NotNull MultiMap<Repo, VcsFullCommitDetails> grouped);
protected abstract boolean isEnabled(@NotNull MultiMap<Repo, VcsFullCommitDetails> grouped);
@Nullable
protected abstract Repo getRepositoryForRoot(@NotNull Project project, @NotNull VirtualFile root);
@Nullable
private MultiMap<Repo, VcsFullCommitDetails> groupByRootWithCheck(@NotNull Project project, @NotNull List<VcsFullCommitDetails> commits) {
MultiMap<Repo, VcsFullCommitDetails> map = MultiMap.create();
for (VcsFullCommitDetails commit : commits) {
Repo root = getRepositoryForRoot(project, commit.getRoot());
if (root == null) { // commit from some other VCS
return null;
}
map.putValue(root, commit);
}
return map;
}
}
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