public Component getTableCellRendererComponent(
     JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
   final Color color = UIUtil.getTableFocusCellBackground();
   Component component;
   T t = (T) value;
   try {
     UIManager.put(UIUtil.TABLE_FOCUS_CELL_BACKGROUND_PROPERTY, table.getSelectionBackground());
     component =
         super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
     setText(t != null ? getItemText(t) : "");
     if (component instanceof JLabel) {
       ((JLabel) component).setBorder(noFocusBorder);
     }
   } finally {
     UIManager.put(UIUtil.TABLE_FOCUS_CELL_BACKGROUND_PROPERTY, color);
   }
   final MyTableModel model = (MyTableModel) table.getModel();
   component.setEnabled(
       ElementsChooser.this.isEnabled()
           && (myColorUnmarkedElements ? model.isElementMarked(row) : true));
   final ElementProperties properties = myElementToPropertiesMap.get(t);
   if (component instanceof JLabel) {
     final Icon icon =
         properties != null ? properties.getIcon() : t != null ? getItemIcon(t) : null;
     JLabel label = (JLabel) component;
     label.setIcon(icon);
     label.setDisabledIcon(icon);
   }
   component.setForeground(
       properties != null && properties.getColor() != null
           ? properties.getColor()
           : (isSelected ? table.getSelectionForeground() : table.getForeground()));
   return component;
 }
 public void mouseMoved(MouseEvent e) {
   JTable table = (JTable) e.getSource();
   Object tag = getTagAt(e);
   if (tag == myTag) {
     table.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
   } else {
     table.setCursor(Cursor.getDefaultCursor());
   }
 }
 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;
 }
 public void saveData() {
   TableUtil.stopEditing(myTable);
   final int count = myTable.getRowCount();
   String[] urls = ArrayUtil.newStringArray(count);
   for (int row = 0; row < count; row++) {
     final TableItem item = ((MyTableModel) myTable.getModel()).getTableItemAt(row);
     urls[row] = item.getUrl();
   }
   getModel().setRootUrls(AnnotationOrderRootType.getInstance(), urls);
 }
  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 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;
 }
 @Override
 public Component getTableCellRendererComponent(
     JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
   if (!table.isCellEditable(row, column)) {
     myBlankPanel.setBackground(
         isSelected ? table.getSelectionBackground() : table.getBackground());
     return myBlankPanel;
   }
   return myDelegate.getTableCellRendererComponent(
       table, value, isSelected, hasFocus, row, column);
 }
    @Nullable
    private SvnFileRevision getSelectedRevision(final MouseEvent e) {
      JTable table = (JTable) e.getSource();
      int row = table.rowAtPoint(e.getPoint());
      int column = table.columnAtPoint(e.getPoint());

      final Object value = table.getModel().getValueAt(row, column);
      if (value instanceof SvnFileRevision) {
        return (SvnFileRevision) value;
      }
      return null;
    }
  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();
  }
    @NotNull
    @Override
    public Component getTableCellRendererComponent(
        @NotNull JTable table,
        Object value,
        boolean isSelected,
        boolean hasFocus,
        int row,
        int column) {
      final RegistryValue v = ((MyTableModel) table.getModel()).getRegistryValue(row);
      myLabel.setIcon(null);
      myLabel.setText(null);
      myLabel.setHorizontalAlignment(SwingConstants.LEFT);
      Color fg = isSelected ? table.getSelectionForeground() : table.getForeground();
      Color bg = isSelected ? table.getSelectionBackground() : table.getBackground();

      if (v != null) {
        switch (column) {
          case 0:
            myLabel.setIcon(v.isRestartRequired() ? RESTART_ICON : null);
            myLabel.setHorizontalAlignment(SwingConstants.CENTER);
            break;
          case 1:
            myLabel.setText(v.getKey());
            break;
          case 2:
            if (v.asColor(null) != null) {
              myLabel.setIcon(createColoredIcon(v.asColor(null)));
            } else if (v.isBoolean()) {
              final JCheckBox box = new JCheckBox();
              box.setSelected(v.asBoolean());
              box.setBackground(bg);
              return box;
            } else {
              myLabel.setText(v.asString());
            }
        }

        myLabel.setOpaque(true);

        myLabel.setFont(
            myLabel.getFont().deriveFont(v.isChangedFromDefault() ? Font.BOLD : Font.PLAIN));
        myLabel.setForeground(fg);
        myLabel.setBackground(bg);
      }

      return myLabel;
    }
    protected void customizeCellRenderer(
        final JTable table,
        final Object value,
        final boolean selected,
        final boolean hasFocus,
        final int row,
        final int column) {
      if (myListener == null) {
        myListener = new MergeSourceDetailsLinkListener(MERGE_SOURCE_DETAILS_TAG, myFile);
        myListener.install(table);
      }
      if (!(value instanceof SvnFileRevision)) {
        append("", SimpleTextAttributes.REGULAR_ATTRIBUTES);
        return;
      }
      final SvnFileRevision revision = (SvnFileRevision) value;
      final String text = getText(revision);
      if (text.length() == 0) {
        append("", SimpleTextAttributes.REGULAR_ATTRIBUTES);
        return;
      }

      append(
          cutString(text, table.getCellRect(row, column, false).getWidth()),
          SimpleTextAttributes.REGULAR_ATTRIBUTES);
    }
  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);
  }
Exemplo n.º 13
0
 private void appendMergeSourceText(JTable table, int row, int column, @Nullable String text) {
   if (StringUtil.isEmpty(text)) {
     append("", SimpleTextAttributes.REGULAR_ATTRIBUTES);
   } else {
     append(
         cutString(text, table.getCellRect(row, column, false).getWidth()),
         SimpleTextAttributes.REGULAR_ATTRIBUTES,
         MERGE_SOURCE_DETAILS_TAG);
   }
 }
  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;
  }
 private static void installActions(JTable table) {
   InputMap inputMap = table.getInputMap(WHEN_FOCUSED);
   inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_END, 0), "selectLastRow");
   inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_HOME, 0), "selectFirstRow");
   inputMap.put(
       KeyStroke.getKeyStroke(KeyEvent.VK_HOME, KeyEvent.SHIFT_DOWN_MASK),
       "selectFirstRowExtendSelection");
   inputMap.put(
       KeyStroke.getKeyStroke(KeyEvent.VK_END, KeyEvent.SHIFT_DOWN_MASK),
       "selectLastRowExtendSelection");
 }
 @Override
 protected void customizeParametersTable(
     TableView<ParameterTableModelItemBase<ParameterInfoImpl>> table) {
   final JTable t = table.getComponent();
   final TableColumn defaultValue = t.getColumnModel().getColumn(2);
   final TableColumn varArg = t.getColumnModel().getColumn(3);
   t.removeColumn(defaultValue);
   t.removeColumn(varArg);
   t.getModel()
       .addTableModelListener(
           new TableModelListener() {
             @Override
             public void tableChanged(TableModelEvent e) {
               if (e.getType() == TableModelEvent.INSERT) {
                 t.getModel().removeTableModelListener(this);
                 final TableColumnAnimator animator = new TableColumnAnimator(t);
                 animator.setStep(48);
                 animator.addColumn(defaultValue, (t.getWidth() - 48) / 3);
                 animator.addColumn(varArg, 48);
                 animator.startAndDoWhenDone(
                     new Runnable() {
                       @Override
                       public void run() {
                         t.editCellAt(t.getRowCount() - 1, 0);
                       }
                     });
                 animator.start();
               }
             }
           });
 }
Exemplo n.º 18
0
 @Nullable
 public Component getTableCellEditorComponent(
     JTable table, Object value, boolean isSelected, int row, int column) {
   myValue = ((MyTableModel) table.getModel()).getRegistryValue(row);
   if (myValue.asColor(null) != null) {
     final Color color =
         ColorChooser.chooseColor(
             table, "Choose color", ((RegistryValue) value).asColor(Color.WHITE));
     if (color != null) {
       myValue.setValue(color.getRed() + "," + color.getGreen() + "," + color.getBlue());
     }
     return null;
   } else if (myValue.isBoolean()) {
     myCheckBox.setSelected(myValue.asBoolean());
     myCheckBox.setBackground(table.getBackground());
     return myCheckBox;
   } else {
     myField.setText(myValue.asString());
     myField.setBorder(null);
     myField.selectAll();
     return myField;
   }
 }
Exemplo n.º 19
0
    @Override
    public void update(AnActionEvent e) {
      Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
      e.getPresentation().setEnabled(false);
      if (focusOwner instanceof JComponent
          && SpeedSearchBase.hasActiveSpeedSearch((JComponent) focusOwner)) {
        return;
      }

      if (StackingPopupDispatcher.getInstance().isPopupFocused()) return;

      if (focusOwner instanceof JTree) {
        JTree tree = (JTree) focusOwner;
        if (!tree.isEditing()) {
          e.getPresentation().setEnabled(true);
        }
      } else if (focusOwner instanceof JTable) {
        JTable table = (JTable) focusOwner;
        if (!table.isEditing()) {
          e.getPresentation().setEnabled(true);
        }
      }
    }
    @Override
    public Component getTableCellRendererComponent(
        JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
      String text;
      Color color;

      if (value instanceof VirtualFile) {
        VirtualFile root = (VirtualFile) value;
        int readableRow =
            ScrollingUtil.getReadableRow(table, Math.round(myUi.getTable().getRowHeight() * 0.5f));
        if (row < readableRow) {
          text = "";
        } else if (row == 0
            || !value.equals(table.getModel().getValueAt(row - 1, column))
            || readableRow == row) {
          text = root.getName();
        } else {
          text = "";
        }
        color = getRootBackgroundColor(root, myUi.getColorManager());
      } else {
        text = null;
        color = UIUtil.getTableBackground(isSelected);
      }

      myColor = color;
      Color background =
          ((VcsLogGraphTable) table)
              .getStyle(row, column, text, hasFocus, isSelected)
              .getBackground();
      assert background != null;
      myBorderColor = background;
      setForeground(UIUtil.getTableForeground(false));

      if (myUi.isShowRootNames()) {
        setText(text);
        isNarrow = false;
      } else {
        setText("");
        isNarrow = true;
      }

      return this;
    }
 public void moduleStateChanged() {
   if (myTable != null) {
     final DefaultTableModel tableModel = createModel();
     myTable.setModel(tableModel);
   }
 }
  @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];
  }
  public JComponent createComponentImpl() {
    final DefaultTableModel tableModel = createModel();
    myTable = new JBTable(tableModel);
    myTable.setIntercellSpacing(new Dimension(0, 0));
    myTable.setDefaultRenderer(TableItem.class, new MyRenderer());
    myTable.setShowGrid(false);
    myTable.setDragEnabled(false);
    myTable.setShowHorizontalLines(false);
    myTable.setShowVerticalLines(false);
    myTable.getSelectionModel().setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

    JPanel tablePanel =
        ToolbarDecorator.createDecorator(myTable)
            .setAddAction(
                new AnActionButtonRunnable() {
                  @Override
                  public void run(AnActionButton button) {
                    FileChooserDescriptor myDescriptor =
                        FileChooserDescriptorFactory.createSingleFolderDescriptor();
                    myDescriptor.setTitle(
                        ProjectBundle.message("add.external.annotations.path.title"));
                    myDescriptor.setDescription(
                        ProjectBundle.message("add.external.annotations.path.description"));
                    VirtualFile[] files =
                        FileChooser.chooseFiles(myDescriptor, myTable, myProject, null);
                    final MyTableModel tableModel = (MyTableModel) myTable.getModel();
                    boolean changes = false;
                    for (final VirtualFile file : files) {
                      if (file != null) {
                        tableModel.addTableItem(new TableItem(file));
                        changes = true;
                      }
                    }
                    if (changes) {
                      saveData();
                      TableUtil.selectRows(myTable, new int[] {tableModel.getRowCount() - 1});
                    }
                  }
                })
            .setRemoveAction(
                new AnActionButtonRunnable() {
                  @Override
                  public void run(AnActionButton button) {
                    final List removedItems = TableUtil.removeSelectedItems(myTable);
                    if (removedItems.size() > 0) {
                      saveData();
                    }
                  }
                })
            .createPanel();

    final JPanel mainPanel = new JPanel(new BorderLayout());

    mainPanel.add(tablePanel, BorderLayout.CENTER);
    mainPanel.add(
        new JBLabel(
            ProjectBundle.message("project.roots.external.annotations.description"),
            UIUtil.ComponentStyle.SMALL,
            UIUtil.FontColor.BRIGHTER),
        BorderLayout.NORTH);
    return mainPanel;
  }