@NotNull
  public Change[] getSelectedChanges() {
    Set<Change> changes = new LinkedHashSet<Change>();

    final TreePath[] paths = getSelectionPaths();
    if (paths == null) {
      return new Change[0];
    }

    for (TreePath path : paths) {
      ChangesBrowserNode<?> node = (ChangesBrowserNode) path.getLastPathComponent();
      changes.addAll(node.getAllChangesUnder());
    }

    if (changes.isEmpty()) {
      final List<VirtualFile> selectedModifiedWithoutEditing = getSelectedModifiedWithoutEditing();
      if (selectedModifiedWithoutEditing != null && !selectedModifiedWithoutEditing.isEmpty()) {
        for (VirtualFile file : selectedModifiedWithoutEditing) {
          AbstractVcs vcs = ProjectLevelVcsManager.getInstance(myProject).getVcsFor(file);
          if (vcs == null) continue;
          final VcsCurrentRevisionProxy before =
              VcsCurrentRevisionProxy.create(file, myProject, vcs.getKeyInstanceMethod());
          if (before != null) {
            ContentRevision afterRevision = new CurrentContentRevision(new FilePathImpl(file));
            changes.add(new Change(before, afterRevision, FileStatus.HIJACKED));
          }
        }
      }
    }

    return changes.toArray(new Change[changes.size()]);
  }
  private Change[] getLeadSelection() {
    final Set<Change> changes = new LinkedHashSet<Change>();

    final TreePath[] paths = getSelectionPaths();
    if (paths == null) return new Change[0];

    for (TreePath path : paths) {
      ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
      if (node instanceof ChangesBrowserChangeNode) {
        changes.add(((ChangesBrowserChangeNode) node).getUserObject());
      }
    }

    return changes.toArray(new Change[changes.size()]);
  }
  @NotNull
  private ChangeList[] getSelectedChangeLists() {
    Set<ChangeList> lists = new HashSet<ChangeList>();

    final TreePath[] paths = getSelectionPaths();
    if (paths == null) return new ChangeList[0];

    for (TreePath path : paths) {
      ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
      final Object userObject = node.getUserObject();
      if (userObject instanceof ChangeList) {
        lists.add((ChangeList) userObject);
      }
    }

    return lists.toArray(new ChangeList[lists.size()]);
  }
  private Collection<FilePath> chooseBinaryFiles(List<Change> converted, Set<FilePath> paths) {
    String singleMessage = "";
    if (paths.size() == 1) {
      final Change change = converted.get(0);
      final FileStatus status = change.getFileStatus();
      final FilePath path = ChangesUtil.getFilePath(change);
      final String stringPath = TreeConflictRefreshablePanel.filePath(path);
      if (FileStatus.DELETED.equals(status)) {
        singleMessage = "Delete binary file " + stringPath + " (according to theirs changes)?";
      } else if (FileStatus.ADDED.equals(status)) {
        singleMessage = "Create binary file " + stringPath + " (according to theirs changes)?";
      } else {
        singleMessage =
            "Apply changes to binary file " + stringPath + " (according to theirs changes)?";
      }
    }
    return AbstractVcsHelper.getInstance(myVcs.getProject())
        .selectFilePathsToProcess(
            new ArrayList<FilePath>(paths),
            TreeConflictRefreshablePanel.TITLE,
            "Select binary files to patch",
            TreeConflictRefreshablePanel.TITLE,
            singleMessage,
            new VcsShowConfirmationOption() {

              @Override
              public Value getValue() {
                return null;
              }

              @Override
              public void setValue(Value value) {}

              @Override
              public boolean isPersistent() {
                return false;
              }
            });
  }