private boolean isProjectViewVisible() {
    final Window frame = SwingUtilities.getWindowAncestor(this);
    if (frame instanceof IdeFrameImpl) {
      final Project project = ((IdeFrameImpl) frame).getProject();
      if (project != null) {
        if (!project.isInitialized()) return true;
        ToolWindow toolWindow =
            ToolWindowManager.getInstance(project).getToolWindow(ToolWindowId.PROJECT_VIEW);
        return toolWindow != null && toolWindow.isVisible();
      }
    }

    return false;
  }
  private void updateTabBorder() {
    if (!myProject.isOpen()) return;

    ToolWindowManagerEx mgr = (ToolWindowManagerEx) ToolWindowManager.getInstance(myProject);

    String[] ids = mgr.getToolWindowIds();

    Insets border = new Insets(0, 0, 0, 0);

    UISettings uiSettings = UISettings.getInstance();

    List<String> topIds = mgr.getIdsOn(ToolWindowAnchor.TOP);
    List<String> bottom = mgr.getIdsOn(ToolWindowAnchor.BOTTOM);
    List<String> rightIds = mgr.getIdsOn(ToolWindowAnchor.RIGHT);
    List<String> leftIds = mgr.getIdsOn(ToolWindowAnchor.LEFT);

    if (!uiSettings.HIDE_TOOL_STRIPES) {
      border.top = topIds.size() > 0 ? 1 : 0;
      border.bottom = bottom.size() > 0 ? 1 : 0;
      border.left = leftIds.size() > 0 ? 1 : 0;
      border.right = rightIds.size() > 0 ? 1 : 0;
    }

    for (String each : ids) {
      ToolWindow eachWnd = mgr.getToolWindow(each);
      if (!eachWnd.isAvailable()) continue;

      if (eachWnd.isVisible() && eachWnd.getType() == ToolWindowType.DOCKED) {
        ToolWindowAnchor eachAnchor = eachWnd.getAnchor();
        if (eachAnchor == ToolWindowAnchor.TOP) {
          border.top = 0;
        } else if (eachAnchor == ToolWindowAnchor.BOTTOM) {
          border.bottom = 0;
        } else if (eachAnchor == ToolWindowAnchor.LEFT) {
          border.left = 0;
        } else if (eachAnchor == ToolWindowAnchor.RIGHT) {
          border.right = 0;
        }
      }
    }

    myTabs
        .getPresentation()
        .setPaintBorder(border.top, border.left, border.right, border.bottom)
        .setTabSidePaintBorder(5);
  }
  EditorTabbedContainer(final EditorWindow window, Project project, final int tabPlacement) {
    myWindow = window;
    myProject = project;
    final ActionManager actionManager = ActionManager.getInstance();
    myTabs = new JBEditorTabs(project, actionManager, IdeFocusManager.getInstance(project), this);
    myTabs
        .setDataProvider(new MyDataProvider())
        .setPopupGroup(
            new Getter<ActionGroup>() {
              public ActionGroup get() {
                return (ActionGroup)
                    CustomActionsSchema.getInstance()
                        .getCorrectedAction(IdeActions.GROUP_EDITOR_TAB_POPUP);
              }
            },
            ActionPlaces.EDITOR_TAB_POPUP,
            false)
        .setNavigationActionsEnabled(false)
        .addTabMouseListener(new TabMouseListener())
        .getPresentation()
        .setTabDraggingEnabled(true)
        .setUiDecorator(
            new UiDecorator() {
              @NotNull
              public UiDecoration getDecoration() {
                return new UiDecoration(
                    null,
                    new Insets(
                        TabsUtil.TAB_VERTICAL_PADDING, 10, TabsUtil.TAB_VERTICAL_PADDING, 10));
              }
            })
        .setTabLabelActionsMouseDeadzone(TimedDeadzone.NULL)
        .setGhostsAlwaysVisible(true)
        .setTabLabelActionsAutoHide(false)
        .setActiveTabFillIn(
            EditorColorsManager.getInstance().getGlobalScheme().getDefaultBackground())
        .setPaintFocus(false)
        .getJBTabs()
        .addListener(
            new TabsListener.Adapter() {
              public void selectionChanged(final TabInfo oldSelection, final TabInfo newSelection) {
                final FileEditorManager editorManager = FileEditorManager.getInstance(myProject);
                final FileEditor oldEditor =
                    oldSelection != null
                        ? editorManager.getSelectedEditor((VirtualFile) oldSelection.getObject())
                        : null;
                if (oldEditor != null) {
                  oldEditor.deselectNotify();
                }

                final FileEditor newEditor =
                    editorManager.getSelectedEditor((VirtualFile) newSelection.getObject());
                if (newEditor != null) {
                  newEditor.selectNotify();
                }
              }
            })
        .setAdditionalSwitchProviderWhenOriginal(new MySwitchProvider())
        .setSelectionChangeHandler(
            new JBTabs.SelectionChangeHandler() {
              @Override
              public ActionCallback execute(
                  TabInfo info, boolean requestFocus, final ActiveRunnable doChangeSelection) {
                final ActionCallback result = new ActionCallback();
                CommandProcessor.getInstance()
                    .executeCommand(
                        myProject,
                        new Runnable() {
                          @Override
                          public void run() {
                            ((IdeDocumentHistoryImpl) IdeDocumentHistory.getInstance(myProject))
                                .onSelectionChanged();
                            result.notify(doChangeSelection.run());
                          }
                        },
                        "EditorChange",
                        null);
                return result;
              }
            })
        .getPresentation()
        .setRequestFocusOnLastFocusedComponent(true);

    setTabPlacement(UISettings.getInstance().EDITOR_TAB_PLACEMENT);

    updateTabBorder();

    ((ToolWindowManagerEx) ToolWindowManager.getInstance(myProject))
        .addToolWindowManagerListener(
            new ToolWindowManagerAdapter() {
              public void stateChanged() {
                updateTabBorder();
              }

              public void toolWindowRegistered(@NotNull final String id) {
                updateTabBorder();
              }
            });

    UISettings.getInstance()
        .addUISettingsListener(
            new UISettingsListener() {
              public void uiSettingsChanged(UISettings source) {
                updateTabBorder();
              }
            },
            this);

    Disposer.register(project, this);
  }