/*
* Copyright 2013 Urs Wolfer
*
* 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.urswolfer.intellij.plugin.gerrit.ui.action;
import com.google.common.base.Optional;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.inject.Inject;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.project.Project;
import com.urswolfer.intellij.plugin.gerrit.GerritModule;
import com.urswolfer.intellij.plugin.gerrit.git.GerritGitUtil;
import git4idea.GitLocalBranch;
import git4idea.GitUtil;
import git4idea.repo.GitRepository;
import git4idea.repo.GitRepositoryManager;
import git4idea.ui.branch.GitCompareBranchesDialog;
import git4idea.util.GitCommitCompareInfo;
import java.util.Collection;
import java.util.concurrent.Callable;
/**
* @author Urs Wolfer
*/
@SuppressWarnings("ComponentNotRegistered") // proxy class below is registered
public class CompareBranchAction extends AbstractChangeAction {
@Inject
private GerritGitUtil gerritGitUtil;
@Inject
private FetchAction fetchAction;
public CompareBranchAction() {
super("Compare with Branch", "Compare change with current branch", AllIcons.Actions.DiffWithCurrent);
}
@Override
public void actionPerformed(final AnActionEvent anActionEvent) {
final Optional<ChangeInfo> selectedChange = getSelectedChange(anActionEvent);
if (!selectedChange.isPresent()) {
return;
}
final Project project = anActionEvent.getData(PlatformDataKeys.PROJECT);
Callable<Void> successCallable = new Callable<Void>() {
@Override
public Void call() throws Exception {
diffChange(project, selectedChange.get());
return null;
}
};
fetchAction.fetchChange(selectedChange.get(), project, successCallable);
}
private void diffChange(Project project, ChangeInfo changeInfo) {
GitRepositoryManager repositoryManager = GitUtil.getRepositoryManager(project);
final Collection<GitRepository> repositoriesFromRoots = repositoryManager.getRepositories();
Optional<GitRepository> gitRepositoryOptional = gerritGitUtil.getRepositoryForGerritProject(project, changeInfo.project);
if (!gitRepositoryOptional.isPresent()) return;
GitRepository gitRepository = gitRepositoryOptional.get();
final String branchName = "FETCH_HEAD";
GitLocalBranch currentBranch = gitRepository.getCurrentBranch();
final String currentBranchName;
if (currentBranch != null) {
currentBranchName = currentBranch.getFullName();
} else {
currentBranchName = gitRepository.getCurrentRevision();
}
assert currentBranch != null : "Current branch is neither a named branch nor a revision";
final GitCommitCompareInfo compareInfo = gerritGitUtil.loadCommitsToCompare(repositoriesFromRoots, branchName, project);
new GitCompareBranchesDialog(project, branchName, currentBranchName, compareInfo, gitRepository).show();
}
public static class Proxy extends CompareBranchAction {
private final CompareBranchAction delegate;
public Proxy() {
delegate = GerritModule.getInstance(CompareBranchAction.class);
}
@Override
public void actionPerformed(AnActionEvent e) {
delegate.actionPerformed(e);
}
}
}