| /* |
| * 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.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.Messages; |
| import com.intellij.openapi.vcs.*; |
| import com.intellij.openapi.vcs.history.VcsFileRevision; |
| import com.intellij.openapi.vcs.history.VcsHistoryProvider; |
| import com.intellij.openapi.vcs.history.VcsHistoryProviderBackgroundableProxy; |
| import com.intellij.openapi.vcs.history.VcsHistorySession; |
| import com.intellij.openapi.vcs.history.impl.CachedRevisionsContents; |
| import com.intellij.openapi.vcs.history.impl.VcsHistoryDialog; |
| import com.intellij.openapi.vcs.impl.BackgroundableActionEnabledHandler; |
| import com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl; |
| import com.intellij.openapi.vcs.impl.VcsBackgroundableActions; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.Consumer; |
| import com.intellij.vcsUtil.VcsSelection; |
| import com.intellij.vcsUtil.VcsSelectionUtil; |
| |
| import java.util.List; |
| |
| public class SelectedBlockHistoryAction extends AbstractVcsAction { |
| |
| protected boolean isEnabled(VcsContext context) { |
| VirtualFile[] selectedFiles = context.getSelectedFiles(); |
| if (selectedFiles == null) return false; |
| if (selectedFiles.length == 0) return false; |
| VirtualFile file = selectedFiles[0]; |
| Project project = context.getProject(); |
| if (project == null) return false; |
| final ProjectLevelVcsManagerImpl vcsManager = (ProjectLevelVcsManagerImpl) ProjectLevelVcsManager.getInstance(project); |
| final BackgroundableActionEnabledHandler handler = |
| vcsManager.getBackgroundableActionHandler(VcsBackgroundableActions.HISTORY_FOR_SELECTION); |
| if (handler.isInProgress(VcsBackgroundableActions.keyFrom(file))) return false; |
| AbstractVcs vcs = vcsManager.getVcsFor(file); |
| if (vcs == null) return false; |
| VcsHistoryProvider vcsHistoryProvider = vcs.getVcsBlockHistoryProvider(); |
| if (vcsHistoryProvider == null) return false; |
| if (! AbstractVcs.fileInVcsByFileStatus(project, new FilePathImpl(file))) return false; |
| |
| VcsSelection selection = VcsSelectionUtil.getSelection(context); |
| if (selection == null) { |
| return false; |
| } |
| return true; |
| } |
| |
| public void actionPerformed(final VcsContext context) { |
| try { |
| final VcsSelection selection = VcsSelectionUtil.getSelection(context); |
| VirtualFile file = FileDocumentManager.getInstance().getFile(selection.getDocument()); |
| final Project project = context.getProject(); |
| if (project == null) return; |
| final AbstractVcs activeVcs = ProjectLevelVcsManager.getInstance(project).getVcsFor(file); |
| if (activeVcs == null) return; |
| |
| final VcsHistoryProvider provider = activeVcs.getVcsBlockHistoryProvider(); |
| |
| final int selectionStart = selection.getSelectionStartLineNumber(); |
| final int selectionEnd = selection.getSelectionEndLineNumber(); |
| |
| final VcsException[] preloadException = new VcsException[1]; |
| final CachedRevisionsContents cachedRevisionsContents = new CachedRevisionsContents(project, file); |
| new VcsHistoryProviderBackgroundableProxy(activeVcs, provider, activeVcs.getDiffProvider()). |
| createSessionFor(activeVcs.getKeyInstanceMethod(), new FilePathImpl(file), |
| new Consumer<VcsHistorySession>() { |
| public void consume(VcsHistorySession session) { |
| if (preloadException[0] != null) { |
| reportError(preloadException[0]); |
| } |
| if (session == null) return; |
| final VcsHistoryDialog vcsHistoryDialog = |
| new VcsHistoryDialog(project, |
| context.getSelectedFiles()[0], |
| context.getEditor(), |
| provider, |
| session, |
| activeVcs, |
| Math.min(selectionStart, selectionEnd), |
| Math.max(selectionStart, selectionEnd), |
| selection.getDialogTitle(), cachedRevisionsContents); |
| |
| vcsHistoryDialog.show(); |
| } |
| }, VcsBackgroundableActions.HISTORY_FOR_SELECTION, false, new Consumer<VcsHistorySession>() { |
| @Override |
| public void consume(VcsHistorySession vcsHistorySession) { |
| if (vcsHistorySession == null) return; |
| final List<VcsFileRevision> revisionList = vcsHistorySession.getRevisionList(); |
| cachedRevisionsContents.setRevisions(revisionList); |
| if (VcsConfiguration.getInstance(project).SHOW_ONLY_CHANGED_IN_SELECTION_DIFF) { |
| // preload while in bckgrnd |
| try { |
| cachedRevisionsContents.loadContentsFor(revisionList.toArray(new VcsFileRevision[revisionList.size()])); |
| } |
| catch (VcsException e) { |
| preloadException[0] = e; |
| } |
| } |
| } |
| }); |
| } |
| catch (Exception exception) { |
| reportError(exception); |
| } |
| |
| } |
| |
| protected void update(VcsContext context, Presentation presentation) { |
| presentation.setEnabled(isEnabled(context)); |
| VcsSelection selection = VcsSelectionUtil.getSelection(context); |
| if (selection != null) { |
| presentation.setText(selection.getActionName()); |
| } |
| } |
| |
| protected boolean forceSyncUpdate(final AnActionEvent e) { |
| return true; |
| } |
| |
| protected static void reportError(Exception exception) { |
| Messages.showMessageDialog(exception.getLocalizedMessage(), VcsBundle.message("message.title.could.not.load.file.history"), Messages.getErrorIcon()); |
| } |
| } |