/*
* 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.openapi.vcs.history;
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.vcs.FilePath;
import com.intellij.openapi.vcs.VcsDataKeys;
import com.intellij.openapi.vcs.changes.ChangeListManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.ObjectUtil;
import org.jetbrains.annotations.NotNull;
public class ShowDiffWithLocalAction extends DumbAwareAction {
@Override
public void actionPerformed(@NotNull AnActionEvent e) {
Project project = e.getRequiredData(CommonDataKeys.PROJECT);
if (ChangeListManager.getInstance(project).isFreezedWithNotification(null)) return;
VcsRevisionNumber currentRevisionNumber = e.getRequiredData(VcsDataKeys.HISTORY_SESSION).getCurrentRevisionNumber();
VcsFileRevision selectedRevision = e.getRequiredData(VcsDataKeys.VCS_FILE_REVISIONS)[0];
FilePath filePath = e.getRequiredData(VcsDataKeys.FILE_PATH);
if (currentRevisionNumber != null && selectedRevision != null) {
DiffFromHistoryHandler diffHandler =
ObjectUtil.notNull(e.getRequiredData(VcsDataKeys.HISTORY_PROVIDER).getHistoryDiffHandler(), new StandardDiffFromHistoryHandler());
diffHandler.showDiffForTwo(project, filePath, selectedRevision, new CurrentRevision(filePath.getVirtualFile(), currentRevisionNumber));
}
}
@Override
public void update(@NotNull AnActionEvent e) {
VcsFileRevision[] selectedRevisions = e.getData(VcsDataKeys.VCS_FILE_REVISIONS);
VirtualFile virtualFile = e.getData(CommonDataKeys.VIRTUAL_FILE);
VcsHistorySession historySession = e.getData(VcsDataKeys.HISTORY_SESSION);
e.getPresentation().setVisible(true);
e.getPresentation().setEnabled(selectedRevisions != null && selectedRevisions.length == 1 && virtualFile != null &&
historySession != null && historySession.getCurrentRevisionNumber() != null &&
historySession.isContentAvailable(selectedRevisions[0]) &&
e.getData(VcsDataKeys.FILE_PATH) != null && e.getData(VcsDataKeys.HISTORY_PROVIDER) != null &&
e.getData(CommonDataKeys.PROJECT) != null);
}
}