@Override
 public UpdateInfoTree showUpdateProjectInfo(
     UpdatedFiles updatedFiles,
     String displayActionName,
     ActionInfo actionInfo,
     boolean canceled) {
   if (!myProject.isOpen() || myProject.isDisposed()) return null;
   ContentManager contentManager = getContentManager();
   if (contentManager == null) {
     return null; // content manager is made null during dispose; flag is set later
   }
   final UpdateInfoTree updateInfoTree =
       new UpdateInfoTree(contentManager, myProject, updatedFiles, displayActionName, actionInfo);
   Content content =
       ContentFactory.SERVICE
           .getInstance()
           .createContent(
               updateInfoTree,
               canceled
                   ? VcsBundle.message(
                       "toolwindow.title.update.action.canceled.info", displayActionName)
                   : VcsBundle.message("toolwindow.title.update.action.info", displayActionName),
               true);
   Disposer.register(content, updateInfoTree);
   ContentsUtil.addContent(contentManager, content, true);
   ToolWindowManager.getInstance(myProject).getToolWindow(ToolWindowId.VCS).activate(null);
   updateInfoTree.expandRootChildren();
   return updateInfoTree;
 }
  private Content getOrCreateConsoleContent(final ContentManager contentManager) {
    final String displayName = VcsBundle.message("vcs.console.toolwindow.display.name");
    Content content = contentManager.findContent(displayName);
    if (content == null) {
      releaseEditor();
      final EditorFactory editorFactory = EditorFactory.getInstance();
      final Editor editor = editorFactory.createViewer(editorFactory.createDocument(""), myProject);
      EditorSettings editorSettings = editor.getSettings();
      editorSettings.setLineMarkerAreaShown(false);
      editorSettings.setIndentGuidesShown(false);
      editorSettings.setLineNumbersShown(false);
      editorSettings.setFoldingOutlineShown(false);

      ((EditorEx) editor).getScrollPane().setBorder(null);
      myEditorAdapter = new EditorAdapter(editor, myProject, false);
      final JPanel panel = new JPanel(new BorderLayout());
      panel.add(editor.getComponent(), BorderLayout.CENTER);

      content = ContentFactory.SERVICE.getInstance().createContent(panel, displayName, true);
      contentManager.addContent(content);

      for (Pair<String, TextAttributes> pair : myPendingOutput) {
        myEditorAdapter.appendString(pair.first, pair.second);
      }
      myPendingOutput.clear();
    }
    return content;
  }
  public ShelvedChangeList shelveChanges(
      final Collection<Change> changes, final String commitMessage, final boolean rollback)
      throws IOException, VcsException {
    final List<Change> textChanges = new ArrayList<Change>();
    final List<ShelvedBinaryFile> binaryFiles = new ArrayList<ShelvedBinaryFile>();
    for (Change change : changes) {
      if (ChangesUtil.getFilePath(change).isDirectory()) {
        continue;
      }
      if (change.getBeforeRevision() instanceof BinaryContentRevision
          || change.getAfterRevision() instanceof BinaryContentRevision) {
        binaryFiles.add(shelveBinaryFile(change));
      } else {
        textChanges.add(change);
      }
    }

    final ShelvedChangeList changeList;
    try {
      File patchPath = getPatchPath(commitMessage);
      ProgressManager.checkCanceled();
      final List<FilePatch> patches =
          IdeaTextPatchBuilder.buildPatch(
              myProject, textChanges, myProject.getBaseDir().getPresentableUrl(), false);
      ProgressManager.checkCanceled();

      CommitContext commitContext = new CommitContext();
      baseRevisionsOfDvcsIntoContext(textChanges, commitContext);
      myFileProcessor.savePathFile(
          new CompoundShelfFileProcessor.ContentProvider() {
            public void writeContentTo(final Writer writer, CommitContext commitContext)
                throws IOException {
              UnifiedDiffWriter.write(myProject, patches, writer, "\n", commitContext);
            }
          },
          patchPath,
          commitContext);

      changeList =
          new ShelvedChangeList(
              patchPath.toString(), commitMessage.replace('\n', ' '), binaryFiles);
      myShelvedChangeLists.add(changeList);
      ProgressManager.checkCanceled();

      if (rollback) {
        new RollbackWorker(myProject, false)
            .doRollback(changes, true, null, VcsBundle.message("shelve.changes.action"));
      }
    } finally {
      notifyStateChanged();
    }

    return changeList;
  }