/*
* Copyright 2000-2009 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.openapi.vcs.actions;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vcs.AbstractVcs;
import com.intellij.openapi.vcs.AbstractVcsHelper;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vcs.changes.ChangesUtil;
import com.intellij.openapi.vcs.history.VcsHistoryProvider;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.vcsUtil.VcsUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import static com.intellij.util.ObjectUtils.assertNotNull;
import static com.intellij.vcsUtil.VcsUtil.getIfSingle;
public class TabbedShowHistoryAction extends AbstractVcsAction {
@Override
protected void update(@NotNull VcsContext context, @NotNull Presentation presentation) {
Project project = context.getProject();
presentation.setEnabled(isEnabled(context));
presentation.setVisible(project != null && ProjectLevelVcsManager.getInstance(project).hasActiveVcss());
}
protected boolean isEnabled(@NotNull VcsContext context) {
boolean result = false;
Project project = context.getProject();
if (project != null) {
Pair<FilePath, VirtualFile> pair = getPathAndParentFile(context);
if (pair.first != null && pair.second != null) {
result = isEnabled(project, pair.first, pair.second);
}
}
return result;
}
private static boolean isEnabled(@NotNull Project project, @NotNull FilePath path, @NotNull VirtualFile fileOrParent) {
boolean result = false;
AbstractVcs vcs = ChangesUtil.getVcsForFile(fileOrParent, project);
if (vcs != null) {
VcsHistoryProvider provider = vcs.getVcsHistoryProvider();
result = provider != null &&
(provider.supportsHistoryForDirectories() || !path.isDirectory()) &&
AbstractVcs.fileInVcsByFileStatus(project, fileOrParent) &&
provider.canShowHistoryFor(fileOrParent);
}
return result;
}
@NotNull
private static Pair<FilePath, VirtualFile> getPathAndParentFile(@NotNull VcsContext context) {
if (context.getSelectedFilesStream().findAny().isPresent()) {
VirtualFile file = getIfSingle(context.getSelectedFilesStream());
return file != null ? Pair.create(VcsUtil.getFilePath(file), file) : Pair.empty();
}
File[] ioFiles = context.getSelectedIOFiles();
if (ioFiles != null && ioFiles.length > 0) {
for (File ioFile : ioFiles) {
VirtualFile parent = getParentVirtualFile(ioFile);
if (parent != null) return Pair.create(VcsUtil.getFilePath(parent, ioFile.getName()), parent);
}
}
return Pair.empty();
}
@Nullable
private static VirtualFile getParentVirtualFile(@NotNull File ioFile) {
File parentIoFile = ioFile.getParentFile();
return parentIoFile != null ? LocalFileSystem.getInstance().findFileByIoFile(parentIoFile) : null;
}
@Override
protected void actionPerformed(@NotNull VcsContext context) {
Project project = context.getProject();
Pair<FilePath, VirtualFile> pair = getPathAndParentFile(context);
FilePath path = assertNotNull(pair.first);
VirtualFile fileOrParent = assertNotNull(pair.second);
AbstractVcs vcs = assertNotNull(ChangesUtil.getVcsForFile(fileOrParent, project));
VcsHistoryProvider provider = assertNotNull(vcs.getVcsHistoryProvider());
AbstractVcsHelper.getInstance(project).showFileHistory(provider, vcs.getAnnotationProvider(), path, null, vcs);
}
@Override
protected boolean forceSyncUpdate(@NotNull AnActionEvent e) {
return true;
}
}