private static void drawSelection(JTree tree, Graphics g, final int width) {
   int y = 0;
   final int[] rows = tree.getSelectionRows();
   final int height = tree.getRowHeight();
   for (int row : rows) {
     final TreeCellRenderer renderer = tree.getCellRenderer();
     final Object value = tree.getPathForRow(row).getLastPathComponent();
     if (value == null) continue;
     final Component component =
         renderer.getTreeCellRendererComponent(tree, value, false, false, false, row, false);
     if (component.getFont() == null) {
       component.setFont(tree.getFont());
     }
     g.translate(0, y);
     component.setBounds(0, 0, width, height);
     boolean wasOpaque = false;
     if (component instanceof JComponent) {
       final JComponent j = (JComponent) component;
       if (j.isOpaque()) wasOpaque = true;
       j.setOpaque(false);
     }
     component.paint(g);
     if (wasOpaque) {
       ((JComponent) component).setOpaque(true);
     }
     y += height;
     g.translate(0, -y);
   }
 }
 private static void drawSelection(JTable table, int column, Graphics g, final int width) {
   int y = 0;
   final int[] rows = table.getSelectedRows();
   final int height = table.getRowHeight();
   for (int row : rows) {
     final TableCellRenderer renderer = table.getCellRenderer(row, column);
     final Component component =
         renderer.getTableCellRendererComponent(
             table, table.getValueAt(row, column), false, false, row, column);
     g.translate(0, y);
     component.setBounds(0, 0, width, height);
     boolean wasOpaque = false;
     if (component instanceof JComponent) {
       final JComponent j = (JComponent) component;
       if (j.isOpaque()) wasOpaque = true;
       j.setOpaque(false);
     }
     component.paint(g);
     if (wasOpaque) {
       ((JComponent) component).setOpaque(true);
     }
     y += height;
     g.translate(0, -y);
   }
 }
 private static Component setLabelColors(
     final Component label, final JTable table, final boolean isSelected, final int row) {
   if (label instanceof JComponent) {
     ((JComponent) label).setOpaque(true);
   }
   label.setForeground(isSelected ? table.getSelectionForeground() : table.getForeground());
   label.setBackground(isSelected ? table.getSelectionBackground() : table.getBackground());
   return label;
 }
  private ActiveComponent createPinButton(
      final UsageInfoToUsageConverter.TargetElementsDescriptor descriptor,
      final UsageViewImpl usageView,
      final FindUsagesOptions options,
      final JBPopup[] popup,
      DefaultActionGroup pinGroup) {
    final AnAction pinAction =
        new AnAction(
            "Open Find Usages Toolwindow",
            "Show all usages in a separate toolwindow",
            AllIcons.General.AutohideOff) {
          {
            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.SearchData data = new FindUsagesManager.SearchData();
            data.myOptions = options;
            List<SmartPsiElementPointer<PsiElement>> plist = descriptor.getAllElementPointers();

            data.myElements = plist.toArray(new SmartPsiElementPointer[plist.size()]);
            findUsagesManager.rerunAndRecallFromHistory(data);
          }
        };
    pinGroup.add(pinAction);
    final ActionToolbar pinToolbar =
        ActionManager.getInstance()
            .createActionToolbar(ActionPlaces.USAGE_VIEW_TOOLBAR, pinGroup, true);
    pinToolbar.setReservePlaceAutoPopupIcon(false);
    final JComponent pinToolBar = pinToolbar.getComponent();
    pinToolBar.setBorder(null);
    pinToolBar.setOpaque(false);

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

      @Override
      public JComponent getComponent() {
        return pinToolBar;
      }
    };
  }
  @NotNull
  private JComponent createHintComponent(
      @NotNull String text,
      @NotNull final FindUsagesHandler handler,
      @NotNull final RelativePoint popupPosition,
      final Editor editor,
      @NotNull final Runnable cancelAction,
      final int maxUsages,
      @NotNull final FindUsagesOptions options) {
    JComponent label =
        HintUtil.createInformationLabel(suggestSecondInvocation(options, handler, text + "&nbsp;"));
    InplaceButton button =
        createSettingsButton(handler, popupPosition, editor, maxUsages, cancelAction);

    JPanel panel =
        new JPanel(new BorderLayout()) {
          @Override
          public void addNotify() {
            mySearchEverywhereRunnable =
                new Runnable() {
                  @Override
                  public void run() {
                    searchEverywhere(options, handler, editor, popupPosition, maxUsages);
                  }
                };
            super.addNotify();
          }

          @Override
          public void removeNotify() {
            mySearchEverywhereRunnable = null;
            super.removeNotify();
          }
        };
    button.setBackground(label.getBackground());
    panel.setBackground(label.getBackground());
    label.setOpaque(false);
    label.setBorder(null);
    panel.setBorder(HintUtil.createHintBorder());
    panel.add(label, BorderLayout.CENTER);
    panel.add(button, BorderLayout.EAST);
    return panel;
  }
  @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];
  }