/*
* Copyright 2000-2015 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.AbstractRepositoryManager;
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.ContainerUtil;
import com.intellij.vcs.log.CommitId;
import com.intellij.vcs.log.Hash;
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 VcsLogSingleCommitAction<Repo extends Repository> extends DumbAwareAction {
@Override
public void actionPerformed(@NotNull AnActionEvent e) {
Project project = e.getRequiredData(CommonDataKeys.PROJECT);
VcsLog log = e.getRequiredData(VcsLogDataKeys.VCS_LOG);
CommitId commit = ContainerUtil.getFirstItem(log.getSelectedCommits());
assert commit != null;
Repo repository = getRepositoryForRoot(project, commit.getRoot());
assert repository != null;
actionPerformed(repository, commit.getHash());
}
@Override
public void update(@NotNull AnActionEvent e) {
Project project = e.getProject();
VcsLog log = e.getData(VcsLogDataKeys.VCS_LOG);
if (project == null || log == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
List<CommitId> commits = log.getSelectedCommits();
if (commits.isEmpty()) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
CommitId commit = ContainerUtil.getFirstItem(commits);
assert commit != null;
Repo repository = getRepositoryForRoot(project, commit.getRoot());
if (repository == null) {
e.getPresentation().setEnabledAndVisible(false);
return;
}
e.getPresentation().setVisible(isVisible(project, repository, commit.getHash()));
e.getPresentation().setEnabled(commits.size() == 1 && isEnabled(repository, commit.getHash()));
}
protected abstract void actionPerformed(@NotNull Repo repository, @NotNull Hash commit);
protected boolean isEnabled(@NotNull Repo repository, @NotNull Hash commit) {
return true;
}
protected boolean isVisible(@NotNull final Project project, @NotNull Repo repository, @NotNull Hash hash) {
return !getRepositoryManager(project).isExternal(repository);
}
@NotNull
protected abstract AbstractRepositoryManager<Repo> getRepositoryManager(@NotNull Project project);
@Nullable
protected abstract Repo getRepositoryForRoot(@NotNull Project project, @NotNull VirtualFile root);
}