protected static void showApplyStatus(@NotNull Project project, final ApplyPatchStatus status) {
   if (status == ApplyPatchStatus.ALREADY_APPLIED) {
     showError(project, VcsBundle.message("patch.apply.already.applied"), false);
   } else if (status == ApplyPatchStatus.PARTIAL) {
     showError(project, VcsBundle.message("patch.apply.partially.applied"), false);
   } else if (ApplyPatchStatus.SUCCESS.equals(status)) {
     final String message = VcsBundle.message("patch.apply.success.applied.text");
     VcsBalloonProblemNotifier.NOTIFICATION_GROUP
         .createNotification(message, MessageType.INFO)
         .notify(project);
   }
 }
    private void doRun() {
      myIndicator = ProgressManager.getInstance().getProgressIndicator();

      final List<Change> changesToRefresh = new ArrayList<Change>();
      try {
        ChangesUtil.processChangesByVcs(
            myProject,
            myChanges,
            new ChangesUtil.PerVcsProcessor<Change>() {
              public void process(AbstractVcs vcs, List<Change> changes) {
                final RollbackEnvironment environment = vcs.getRollbackEnvironment();
                if (environment != null) {
                  changesToRefresh.addAll(changes);

                  if (myIndicator != null) {
                    myIndicator.setText(vcs.getDisplayName() + ": performing rollback...");
                    myIndicator.setIndeterminate(false);
                    myIndicator.checkCanceled();
                  }
                  environment.rollbackChanges(
                      changes,
                      myExceptions,
                      new RollbackProgressModifier(changes.size(), myIndicator));
                  if (myIndicator != null) {
                    myIndicator.setText2("");
                    myIndicator.checkCanceled();
                  }

                  if (myExceptions.isEmpty() && myDeleteLocallyAddedFiles) {
                    deleteAddedFilesLocally(changes);
                  }
                }
              }
            });
      } catch (ProcessCanceledException e) {
        // still do refresh
      }

      if (myIndicator != null) {
        myIndicator.startNonCancelableSection();
        myIndicator.setIndeterminate(true);
        myIndicator.setText2("");
        myIndicator.setText(VcsBundle.message("progress.text.synchronizing.files"));
      }

      doRefresh(myProject, changesToRefresh);

      AbstractVcsHelper.getInstance(myProject)
          .showErrors(myExceptions, VcsBundle.message("changes.action.rollback.text"));
    }
 public static void showError(final Project project, final String message, final boolean error) {
   final Application application = ApplicationManager.getApplication();
   if (application.isUnitTestMode()) {
     return;
   }
   final String title = VcsBundle.message("patch.apply.dialog.title");
   final Runnable messageShower =
       new Runnable() {
         @Override
         public void run() {
           if (error) {
             Messages.showErrorDialog(project, message, title);
           } else {
             Messages.showInfoMessage(project, message, title);
           }
         }
       };
   WaitForProgressToShow.runOrInvokeLaterAboveProgress(
       new Runnable() {
         @Override
         public void run() {
           messageShower.run();
         }
       },
       null,
       project);
 }
  @CalledInAwt
  public static void refreshPassedFilesAndMoveToChangelist(
      @NotNull final Project project,
      final Collection<FilePath> directlyAffected,
      final Collection<VirtualFile> indirectlyAffected,
      final Consumer<Collection<FilePath>> targetChangelistMover) {
    final LocalFileSystem lfs = LocalFileSystem.getInstance();
    for (FilePath filePath : directlyAffected) {
      lfs.refreshAndFindFileByIoFile(filePath.getIOFile());
    }
    if (project.isDisposed()) return;

    final ChangeListManager changeListManager = ChangeListManager.getInstance(project);
    if (!directlyAffected.isEmpty() && targetChangelistMover != null) {
      changeListManager.invokeAfterUpdate(
          new Runnable() {
            @Override
            public void run() {
              targetChangelistMover.consume(directlyAffected);
            }
          },
          InvokeAfterUpdateMode.SYNCHRONOUS_CANCELLABLE,
          VcsBundle.message("change.lists.manager.move.changes.to.list"),
          new Consumer<VcsDirtyScopeManager>() {
            @Override
            public void consume(final VcsDirtyScopeManager vcsDirtyScopeManager) {
              markDirty(vcsDirtyScopeManager, directlyAffected, indirectlyAffected);
            }
          },
          null);
    } else {
      markDirty(VcsDirtyScopeManager.getInstance(project), directlyAffected, indirectlyAffected);
    }
  }
 @CalledInAwt
 @NotNull
 private ApplyPatchStatus getApplyPatchStatus(@NotNull final TriggerAdditionOrDeletion trigger) {
   final Ref<ApplyPatchStatus> refStatus = Ref.create(null);
   try {
     setConfirmationToDefault();
     CommandProcessor.getInstance()
         .executeCommand(
             myProject,
             new Runnable() {
               @Override
               public void run() {
                 // consider pre-check status only if not successful, otherwise we could not
                 // detect already applied status
                 if (createFiles() != ApplyPatchStatus.SUCCESS) {
                   refStatus.set(createFiles());
                 }
                 addSkippedItems(trigger);
                 trigger.prepare();
                 refStatus.set(ApplyPatchStatus.and(refStatus.get(), executeWritable()));
               }
             },
             VcsBundle.message("patch.apply.command"),
             null);
   } finally {
     returnConfirmationBack();
     VcsFileListenerContextHelper.getInstance(myProject).clearContext();
   }
   final ApplyPatchStatus status = refStatus.get();
   return status == null ? ApplyPatchStatus.ALREADY_APPLIED : status;
 }
  public void doRollback(
      final Collection<Change> changes,
      final boolean deleteLocallyAddedFiles,
      @Nullable final Runnable afterVcsRefreshInAwt,
      @Nullable final String localHistoryActionName) {
    final ChangeListManager changeListManager = ChangeListManager.getInstance(myProject);
    final Runnable notifier = changeListManager.prepareForChangeDeletion(changes);
    final Runnable afterRefresh =
        new Runnable() {
          public void run() {
            changeListManager.invokeAfterUpdate(
                new Runnable() {
                  public void run() {
                    notifier.run();
                    if (afterVcsRefreshInAwt != null) {
                      afterVcsRefreshInAwt.run();
                    }
                  }
                },
                InvokeAfterUpdateMode.SILENT,
                "Refresh change lists after update",
                ModalityState.current());
          }
        };

    final Runnable rollbackAction =
        new MyRollbackRunnable(
            changes, deleteLocallyAddedFiles, afterRefresh, localHistoryActionName);

    if (ApplicationManager.getApplication().isDispatchThread()) {
      ProgressManager.getInstance()
          .run(
              new Task.Backgroundable(
                  myProject,
                  VcsBundle.message("changes.action.rollback.text"),
                  true,
                  new PerformInBackgroundOption() {
                    public boolean shouldStartInBackground() {
                      return VcsConfiguration.getInstance(myProject).PERFORM_ROLLBACK_IN_BACKGROUND;
                    }

                    public void processSentToBackground() {
                      VcsConfiguration.getInstance(myProject).PERFORM_ROLLBACK_IN_BACKGROUND = true;
                    }
                  }) {
                public void run(@NotNull ProgressIndicator indicator) {
                  rollbackAction.run();
                }
              });
    } else {
      rollbackAction.run();
    }
    ((ChangeListManagerImpl) changeListManager).showLocalChangesInvalidated();
  }
  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;
  }
 private static boolean checkNotifyBinaryDiff(final Change selectedChange) {
   final ContentRevision beforeRevision = selectedChange.getBeforeRevision();
   final ContentRevision afterRevision = selectedChange.getAfterRevision();
   if (beforeRevision instanceof BinaryContentRevision
       && afterRevision instanceof BinaryContentRevision) {
     try {
       byte[] beforeContent = ((BinaryContentRevision) beforeRevision).getBinaryContent();
       byte[] afterContent = ((BinaryContentRevision) afterRevision).getBinaryContent();
       if (Arrays.equals(beforeContent, afterContent)) {
         Messages.showInfoMessage(
             VcsBundle.message("message.text.binary.versions.are.identical"),
             VcsBundle.message("message.title.diff"));
       } else {
         Messages.showInfoMessage(
             VcsBundle.message("message.text.binary.versions.are.different"),
             VcsBundle.message("message.title.diff"));
       }
     } catch (VcsException e) {
       Messages.showInfoMessage(e.getMessage(), VcsBundle.message("message.title.diff"));
     }
     return true;
   }
   return false;
 }
    private void doRefresh(final Project project, final List<Change> changesToRefresh) {
      final String actionName = VcsBundle.message("changes.action.rollback.text");
      final LocalHistoryAction action = LocalHistory.getInstance().startAction(actionName);

      final Runnable forAwtThread =
          new Runnable() {
            public void run() {
              action.finish();
              LocalHistory.getInstance()
                  .putSystemLabel(
                      myProject,
                      (myLocalHistoryActionName == null) ? actionName : myLocalHistoryActionName,
                      -1);
              final VcsDirtyScopeManager manager =
                  PeriodicalTasksCloser.getInstance()
                      .safeGetComponent(project, VcsDirtyScopeManager.class);
              for (Change change : changesToRefresh) {
                final ContentRevision beforeRevision = change.getBeforeRevision();
                final ContentRevision afterRevision = change.getAfterRevision();
                if ((!change.isIsReplaced())
                    && beforeRevision != null
                    && Comparing.equal(beforeRevision, afterRevision)) {
                  manager.fileDirty(beforeRevision.getFile());
                } else {
                  if (beforeRevision != null) {
                    final FilePath parent = beforeRevision.getFile().getParentPath();
                    if (parent != null) {
                      manager.dirDirtyRecursively(parent);
                    }
                  }
                  if (afterRevision != null) {
                    final FilePath parent = afterRevision.getFile().getParentPath();
                    if (parent != null) {
                      manager.dirDirtyRecursively(parent);
                    }
                  }
                }
              }

              myAfterRefresh.run();
            }
          };

      RefreshVFsSynchronously.updateChangesForRollback(changesToRefresh);

      WaitForProgressToShow.runOrInvokeLaterAboveProgress(forAwtThread, null, project);
    }
    public static Image createImage(final JTree tree) {
      final TreeSelectionModel model = tree.getSelectionModel();
      final TreePath[] paths = model.getSelectionPaths();

      int count = 0;
      final List<ChangesBrowserNode> nodes = new ArrayList<ChangesBrowserNode>();
      for (final TreePath path : paths) {
        final ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
        if (!node.isLeaf()) {
          nodes.add(node);
          count += node.getCount();
        }
      }

      for (TreePath path : paths) {
        final ChangesBrowserNode element = (ChangesBrowserNode) path.getLastPathComponent();
        boolean child = false;
        for (final ChangesBrowserNode node : nodes) {
          if (node.isNodeChild(element)) {
            child = true;
            break;
          }
        }

        if (!child) {
          if (element.isLeaf()) count++;
        } else if (!element.isLeaf()) {
          count -= element.getCount();
        }
      }

      final JLabel label = new JLabel(VcsBundle.message("changes.view.dnd.label", count));
      label.setOpaque(true);
      label.setForeground(tree.getForeground());
      label.setBackground(tree.getBackground());
      label.setFont(tree.getFont());
      label.setSize(label.getPreferredSize());
      final BufferedImage image =
          new BufferedImage(label.getWidth(), label.getHeight(), BufferedImage.TYPE_INT_ARGB);

      Graphics2D g2 = (Graphics2D) image.getGraphics();
      g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
      label.paint(g2);
      g2.dispose();

      return image;
    }
  @CalledInAwt
  public static ApplyPatchStatus executePatchGroup(
      final Collection<PatchApplier> group, final LocalChangeList localChangeList) {
    if (group.isEmpty()) return ApplyPatchStatus.SUCCESS; // ?
    final Project project = group.iterator().next().myProject;

    ApplyPatchStatus result = ApplyPatchStatus.SUCCESS;
    for (PatchApplier patchApplier : group) {
      result = ApplyPatchStatus.and(result, patchApplier.nonWriteActionPreCheck());
    }
    final Label beforeLabel = LocalHistory.getInstance().putSystemLabel(project, "Before patch");
    final TriggerAdditionOrDeletion trigger = new TriggerAdditionOrDeletion(project);
    final Ref<ApplyPatchStatus> refStatus = new Ref<>(result);
    try {
      CommandProcessor.getInstance()
          .executeCommand(
              project,
              new Runnable() {
                @Override
                public void run() {
                  for (PatchApplier applier : group) {
                    refStatus.set(ApplyPatchStatus.and(refStatus.get(), applier.createFiles()));
                    applier.addSkippedItems(trigger);
                  }
                  trigger.prepare();
                  if (refStatus.get() == ApplyPatchStatus.SUCCESS) {
                    // all pre-check results are valuable only if not successful; actual status we
                    // can receive after executeWritable
                    refStatus.set(null);
                  }
                  for (PatchApplier applier : group) {
                    refStatus.set(ApplyPatchStatus.and(refStatus.get(), applier.executeWritable()));
                    if (refStatus.get() == ApplyPatchStatus.ABORT) break;
                  }
                }
              },
              VcsBundle.message("patch.apply.command"),
              null);
    } finally {
      VcsFileListenerContextHelper.getInstance(project).clearContext();
      LocalHistory.getInstance().putSystemLabel(project, "After patch");
    }
    result = refStatus.get();
    result = result == null ? ApplyPatchStatus.FAILURE : result;

    trigger.processIt();
    final Set<FilePath> directlyAffected = new HashSet<>();
    final Set<VirtualFile> indirectlyAffected = new HashSet<>();
    for (PatchApplier applier : group) {
      directlyAffected.addAll(applier.getDirectlyAffected());
      indirectlyAffected.addAll(applier.getIndirectlyAffected());
    }
    directlyAffected.addAll(trigger.getAffected());
    final Consumer<Collection<FilePath>> mover =
        localChangeList == null ? null : createMover(project, localChangeList);
    refreshPassedFilesAndMoveToChangelist(project, directlyAffected, indirectlyAffected, mover);
    if (result == ApplyPatchStatus.FAILURE) {
      suggestRollback(project, group, beforeLabel);
    } else if (result == ApplyPatchStatus.ABORT) {
      rollbackUnderProgress(project, project.getBaseDir(), beforeLabel);
    }
    showApplyStatus(project, result);
    return result;
  }