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/*
* Copyright 2000-2013 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.action;
import com.intellij.dvcs.DvcsUtil;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.components.ServiceManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.project.Project;
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.zmlx.hg4idea.HgVcs;
import org.zmlx.hg4idea.repo.HgRepository;
import org.zmlx.hg4idea.repo.HgRepositoryManager;
import java.util.List;
/**
* @author Nadya Zabrodina
*/
public abstract class HgLogSingleCommitAction extends DumbAwareAction {
private static final Logger LOG = Logger.getInstance(HgLogSingleCommitAction.class);
protected abstract void actionPerformed(@NotNull HgRepository repository, @NotNull VcsFullCommitDetails commit);
@Override
public void actionPerformed(AnActionEvent e) {
Data data = Data.collect(e);
if (!data.isValid()) {
return;
}
List<VcsFullCommitDetails> details = data.log.getSelectedDetails();
if (details.size() != 1) {
return;
}
VcsFullCommitDetails commit = details.get(0);
HgRepositoryManager repositoryManager = ServiceManager.getService(data.project, HgRepositoryManager.class);
final HgRepository repository = repositoryManager.getRepositoryForRoot(commit.getRoot());
if (repository == null) {
DvcsUtil.noVcsRepositoryForRoot(LOG, commit.getRoot(), data.project, repositoryManager, HgVcs.getInstance(data.project));
return;
}
actionPerformed(repository, commit);
}
@Override
public void update(AnActionEvent e) {
Data data = Data.collect(e);
boolean enabled = data.isValid() && data.log.getSelectedCommits().size() == 1;
e.getPresentation().setVisible(data.isValid());
e.getPresentation().setEnabled(enabled);
}
private static class Data {
Project project;
VcsLog log;
static Data collect(AnActionEvent e) {
Data data = new Data();
data.project = e.getData(CommonDataKeys.PROJECT);
data.log = e.getData(VcsLogDataKeys.VSC_LOG);
return data;
}
boolean isValid() {
return project != null && log != null && DvcsUtil.logHasRootForVcs(log, HgVcs.getKey());
}
}
}
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