| /* |
| * Copyright 2000-2010 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.ex; |
| |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.command.CommandProcessor; |
| import com.intellij.openapi.editor.Caret; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.DumbAwareAction; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vcs.VcsBundle; |
| import com.intellij.openapi.vcs.impl.LineStatusTrackerManager; |
| import com.intellij.openapi.vfs.ReadonlyStatusHandler; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.BitSet; |
| import java.util.List; |
| |
| public class RollbackLineStatusAction extends DumbAwareAction { |
| @Override |
| public void update(AnActionEvent e) { |
| Project project = e.getProject(); |
| Editor editor = e.getData(CommonDataKeys.EDITOR); |
| if (project == null || editor == null) { |
| e.getPresentation().setEnabledAndVisible(false); |
| return; |
| } |
| LineStatusTracker tracker = LineStatusTrackerManager.getInstance(project).getLineStatusTracker(editor.getDocument()); |
| if (tracker == null) { |
| e.getPresentation().setEnabledAndVisible(false); |
| return; |
| } |
| e.getPresentation().setEnabledAndVisible(true); |
| } |
| |
| @Override |
| public void actionPerformed(AnActionEvent e) { |
| Project project = e.getProject(); |
| Editor editor = e.getRequiredData(CommonDataKeys.EDITOR); |
| LineStatusTracker tracker = LineStatusTrackerManager.getInstance(project).getLineStatusTracker(editor.getDocument()); |
| assert tracker != null; |
| |
| rollback(tracker, editor, null); |
| } |
| |
| protected static void rollback(@NotNull LineStatusTracker tracker, @Nullable Editor editor, @Nullable Range range) { |
| assert editor != null || range != null; |
| |
| if (range != null) { |
| doRollback(tracker, range); |
| return; |
| } |
| |
| Document document = editor.getDocument(); |
| int totalLines = getLineCount(document); |
| |
| BitSet lines = new BitSet(totalLines + 1); |
| |
| List<Caret> carets = editor.getCaretModel().getAllCarets(); |
| |
| if (carets.size() == 1) { |
| Caret caret = carets.get(0); |
| if (caret.getSelectionStart() == 0 && caret.getSelectionEnd() == document.getTextLength()) { |
| doRollback(tracker); |
| return; |
| } |
| } |
| |
| for (Caret caret : carets) { |
| if (caret.hasSelection()) { |
| int line1 = editor.offsetToLogicalPosition(caret.getSelectionStart()).line; |
| int line2 = editor.offsetToLogicalPosition(caret.getSelectionEnd()).line; |
| lines.set(line1, line2 + 1); |
| if (caret.getSelectionEnd() == document.getTextLength()) lines.set(totalLines); |
| } |
| else { |
| lines.set(caret.getLogicalPosition().line); |
| if (caret.getOffset() == document.getTextLength()) lines.set(totalLines); |
| } |
| } |
| |
| doRollback(tracker, lines); |
| } |
| |
| private static void doRollback(@NotNull final LineStatusTracker tracker, @NotNull final Range range) { |
| execute(tracker, new Runnable() { |
| @Override |
| public void run() { |
| tracker.rollbackChanges(range); |
| } |
| }); |
| } |
| |
| private static void doRollback(@NotNull final LineStatusTracker tracker, @NotNull final BitSet lines) { |
| execute(tracker, new Runnable() { |
| @Override |
| public void run() { |
| tracker.rollbackChanges(lines); |
| } |
| }); |
| } |
| |
| private static void doRollback(@NotNull final LineStatusTracker tracker) { |
| execute(tracker, new Runnable() { |
| @Override |
| public void run() { |
| tracker.rollbackAllChanges(); |
| } |
| }); |
| } |
| |
| private static void execute(@NotNull final LineStatusTracker tracker, @NotNull final Runnable task) { |
| CommandProcessor.getInstance().executeCommand(tracker.getProject(), new Runnable() { |
| public void run() { |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { |
| public void run() { |
| if (!tracker.getDocument().isWritable()) { |
| final ReadonlyStatusHandler.OperationStatus operationStatus = ReadonlyStatusHandler |
| .getInstance(tracker.getProject()).ensureFilesWritable(tracker.getVirtualFile()); |
| if (operationStatus.hasReadonlyFiles()) return; |
| } |
| task.run(); |
| } |
| }); |
| } |
| }, VcsBundle.message("command.name.rollback.change"), null); |
| } |
| |
| private static int getLineCount(@NotNull Document document) { |
| return Math.max(document.getLineCount(), 1); |
| } |
| } |