private static Rectangle fitToScreen(
     @NotNull Dimension newDim, @NotNull RelativePoint popupPosition, JTable table) {
   Rectangle rectangle = new Rectangle(popupPosition.getScreenPoint(), newDim);
   ScreenUtil.fitToScreen(rectangle);
   if (rectangle.getHeight() != newDim.getHeight()) {
     int newHeight = (int) rectangle.getHeight();
     int roundedHeight = newHeight - newHeight % table.getRowHeight();
     rectangle.setSize((int) rectangle.getWidth(), Math.max(roundedHeight, table.getRowHeight()));
   }
   return rectangle;
 }
  private static int columnMaxWidth(@NotNull JTable table, int col) {
    TableColumn column = table.getColumnModel().getColumn(col);
    int width = 0;
    for (int row = 0; row < table.getRowCount(); row++) {
      Component component = table.prepareRenderer(column.getCellRenderer(), row, col);

      int rendererWidth = component.getPreferredSize().width;
      width = Math.max(width, rendererWidth + table.getIntercellSpacing().width);
    }
    return width;
  }
  private void setSizeAndDimensions(
      @NotNull JTable table,
      @NotNull JBPopup popup,
      @NotNull RelativePoint popupPosition,
      @NotNull List<UsageNode> data) {
    JComponent content = popup.getContent();
    Window window = SwingUtilities.windowForComponent(content);
    Dimension d = window.getSize();

    int width = calcMaxWidth(table);
    width = (int) Math.max(d.getWidth(), width);
    Dimension headerSize = ((AbstractPopup) popup).getHeaderPreferredSize();
    width = Math.max((int) headerSize.getWidth(), width);
    width = Math.max(myWidth, width);

    if (myWidth == -1) myWidth = width;
    int newWidth = Math.max(width, d.width + width - myWidth);

    myWidth = newWidth;

    int rowsToShow = Math.min(30, data.size());
    Dimension dimension = new Dimension(newWidth, table.getRowHeight() * rowsToShow);
    Rectangle rectangle = fitToScreen(dimension, popupPosition, table);
    dimension = rectangle.getSize();
    Point location = window.getLocation();
    if (!location.equals(rectangle.getLocation())) {
      window.setLocation(rectangle.getLocation());
    }

    if (!data.isEmpty()) {
      TableScrollingUtil.ensureSelectionExists(table);
    }
    table.setSize(dimension);
    // table.setPreferredSize(dimension);
    // table.setMaximumSize(dimension);
    // table.setPreferredScrollableViewportSize(dimension);

    Dimension footerSize = ((AbstractPopup) popup).getFooterPreferredSize();

    int newHeight =
        (int) (dimension.height + headerSize.getHeight() + footerSize.getHeight())
            + 4 /* invisible borders, margins etc*/;
    Dimension newDim = new Dimension(dimension.width, newHeight);
    window.setSize(newDim);
    window.setMinimumSize(newDim);
    window.setMaximumSize(newDim);

    window.validate();
    window.repaint();
    table.revalidate();
    table.repaint();
  }
  private void rebuildPopup(
      @NotNull final UsageViewImpl usageView,
      @NotNull final List<Usage> usages,
      @NotNull List<UsageNode> nodes,
      @NotNull final JTable table,
      @NotNull final JBPopup popup,
      @NotNull final UsageViewPresentation presentation,
      @NotNull final RelativePoint popupPosition,
      boolean findUsagesInProgress) {
    ApplicationManager.getApplication().assertIsDispatchThread();

    boolean shouldShowMoreSeparator = usages.contains(MORE_USAGES_SEPARATOR);
    if (shouldShowMoreSeparator) {
      nodes.add(MORE_USAGES_SEPARATOR_NODE);
    }

    String title = presentation.getTabText();
    String fullTitle =
        getFullTitle(
            usages,
            title,
            shouldShowMoreSeparator,
            nodes.size() - (shouldShowMoreSeparator ? 1 : 0),
            findUsagesInProgress);

    ((AbstractPopup) popup).setCaption(fullTitle);

    List<UsageNode> data = collectData(usages, nodes, usageView, presentation);
    MyModel tableModel = setTableModel(table, usageView, data);
    List<UsageNode> existingData = tableModel.getItems();

    int row = table.getSelectedRow();

    int newSelection = updateModel(tableModel, existingData, data, row == -1 ? 0 : row);
    if (newSelection < 0 || newSelection >= tableModel.getRowCount()) {
      TableScrollingUtil.ensureSelectionExists(table);
      newSelection = table.getSelectedRow();
    } else {
      table.getSelectionModel().setSelectionInterval(newSelection, newSelection);
    }
    TableScrollingUtil.ensureIndexIsVisible(table, newSelection, 0);

    setSizeAndDimensions(table, popup, popupPosition, data);
  }
  private static int calcMaxWidth(JTable table) {
    int colsNum = table.getColumnModel().getColumnCount();

    int totalWidth = 0;
    for (int col = 0; col < colsNum - 1; col++) {
      TableColumn column = table.getColumnModel().getColumn(col);
      int preferred = column.getPreferredWidth();
      int width = Math.max(preferred, columnMaxWidth(table, col));
      totalWidth += width;
      column.setMinWidth(width);
      column.setMaxWidth(width);
      column.setWidth(width);
      column.setPreferredWidth(width);
    }

    totalWidth += columnMaxWidth(table, colsNum - 1);

    return totalWidth;
  }
  @NotNull
  private static MyModel setTableModel(
      @NotNull JTable table,
      @NotNull UsageViewImpl usageView,
      @NotNull final List<UsageNode> data) {
    ApplicationManager.getApplication().assertIsDispatchThread();
    final int columnCount = calcColumnCount(data);
    MyModel model = table.getModel() instanceof MyModel ? (MyModel) table.getModel() : null;
    if (model == null || model.getColumnCount() != columnCount) {
      model = new MyModel(data, columnCount);
      table.setModel(model);

      ShowUsagesTableCellRenderer renderer = new ShowUsagesTableCellRenderer(usageView);
      for (int i = 0; i < table.getColumnModel().getColumnCount(); i++) {
        TableColumn column = table.getColumnModel().getColumn(i);
        column.setCellRenderer(renderer);
      }
    }
    return model;
  }
  @NotNull
  private JBPopup createUsagePopup(
      @NotNull final List<Usage> usages,
      @NotNull final UsageInfoToUsageConverter.TargetElementsDescriptor descriptor,
      @NotNull Set<UsageNode> visibleNodes,
      @NotNull final FindUsagesHandler handler,
      final Editor editor,
      @NotNull final RelativePoint popupPosition,
      final int maxUsages,
      @NotNull final UsageViewImpl usageView,
      @NotNull final FindUsagesOptions options,
      @NotNull final JTable table,
      @NotNull final UsageViewPresentation presentation,
      @NotNull final AsyncProcessIcon processIcon,
      boolean hadMoreSeparator) {
    table.setRowHeight(PlatformIcons.CLASS_ICON.getIconHeight() + 2);
    table.setShowGrid(false);
    table.setShowVerticalLines(false);
    table.setShowHorizontalLines(false);
    table.setTableHeader(null);
    table.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
    table.setIntercellSpacing(new Dimension(0, 0));

    PopupChooserBuilder builder = new PopupChooserBuilder(table);
    final String title = presentation.getTabText();
    if (title != null) {
      String result = getFullTitle(usages, title, hadMoreSeparator, visibleNodes.size() - 1, true);
      builder.setTitle(result);
      builder.setAdText(getSecondInvocationTitle(options, handler));
    }

    builder.setMovable(true).setResizable(true);
    builder.setItemChoosenCallback(
        new Runnable() {
          @Override
          public void run() {
            int[] selected = table.getSelectedRows();
            for (int i : selected) {
              Object value = table.getValueAt(i, 0);
              if (value instanceof UsageNode) {
                Usage usage = ((UsageNode) value).getUsage();
                if (usage == MORE_USAGES_SEPARATOR) {
                  appendMoreUsages(editor, popupPosition, handler, maxUsages);
                  return;
                }
                navigateAndHint(usage, null, handler, popupPosition, maxUsages, options);
              }
            }
          }
        });
    final JBPopup[] popup = new JBPopup[1];

    KeyboardShortcut shortcut = UsageViewImpl.getShowUsagesWithSettingsShortcut();
    if (shortcut != null) {
      new DumbAwareAction() {
        @Override
        public void actionPerformed(AnActionEvent e) {
          popup[0].cancel();
          showDialogAndFindUsages(handler, popupPosition, editor, maxUsages);
        }
      }.registerCustomShortcutSet(new CustomShortcutSet(shortcut.getFirstKeyStroke()), table);
    }
    shortcut = getShowUsagesShortcut();
    if (shortcut != null) {
      new DumbAwareAction() {
        @Override
        public void actionPerformed(AnActionEvent e) {
          popup[0].cancel();
          searchEverywhere(options, handler, editor, popupPosition, maxUsages);
        }
      }.registerCustomShortcutSet(new CustomShortcutSet(shortcut.getFirstKeyStroke()), table);
    }

    InplaceButton settingsButton =
        createSettingsButton(
            handler,
            popupPosition,
            editor,
            maxUsages,
            new Runnable() {
              @Override
              public void run() {
                popup[0].cancel();
              }
            });

    ActiveComponent spinningProgress =
        new ActiveComponent() {
          @Override
          public void setActive(boolean active) {}

          @Override
          public JComponent getComponent() {
            return processIcon;
          }
        };
    builder.setCommandButton(new CompositeActiveComponent(spinningProgress, settingsButton));

    DefaultActionGroup toolbar = new DefaultActionGroup();
    usageView.addFilteringActions(toolbar);

    toolbar.add(UsageGroupingRuleProviderImpl.createGroupByFileStructureAction(usageView));
    toolbar.add(
        new AnAction(
            "Open Find Usages Toolwindow",
            "Show all usages in a separate toolwindow",
            AllIcons.Toolwindows.ToolWindowFind) {
          {
            AnAction action = ActionManager.getInstance().getAction(IdeActions.ACTION_FIND_USAGES);
            setShortcutSet(action.getShortcutSet());
          }

          @Override
          public void actionPerformed(AnActionEvent e) {
            hideHints();
            popup[0].cancel();
            FindUsagesManager findUsagesManager =
                ((FindManagerImpl) FindManager.getInstance(usageView.getProject()))
                    .getFindUsagesManager();

            findUsagesManager.findUsages(
                handler.getPrimaryElements(),
                handler.getSecondaryElements(),
                handler,
                options,
                FindSettings.getInstance().isSkipResultsWithOneUsage());
          }
        });

    ActionToolbar actionToolbar =
        ActionManager.getInstance()
            .createActionToolbar(ActionPlaces.USAGE_VIEW_TOOLBAR, toolbar, true);
    actionToolbar.setReservePlaceAutoPopupIcon(false);
    final JComponent toolBar = actionToolbar.getComponent();
    toolBar.setOpaque(false);
    builder.setSettingButton(toolBar);

    popup[0] = builder.createPopup();
    JComponent content = popup[0].getContent();

    myWidth =
        (int)
            (toolBar.getPreferredSize().getWidth()
                + new JLabel(
                        getFullTitle(
                            usages, title, hadMoreSeparator, visibleNodes.size() - 1, true))
                    .getPreferredSize()
                    .getWidth()
                + settingsButton.getPreferredSize().getWidth());
    myWidth = -1;
    for (AnAction action : toolbar.getChildren(null)) {
      action.unregisterCustomShortcutSet(usageView.getComponent());
      action.registerCustomShortcutSet(action.getShortcutSet(), content);
    }

    return popup[0];
  }