private void moveUpAndDownPage(boolean _up) {
   int index = tabbedPanel.getSelectedIndex();
   if (index < 0) return;
   Editor page = pageList.get(index);
   if (page == null) return;
   if (_up) {
     if (index == 0) return;
     pageList.removeElementAt(index);
     pageList.insertElementAt(page, index - 1);
     tabbedPanel.removeTabAt(index);
     tabbedPanel.insertTab(
         page.isActive() ? page.getName() : page.getName() + " (D)",
         null,
         page.getComponent(),
         tooltip,
         index - 1);
   } else {
     if (index == (pageList.size() - 1)) return;
     pageList.removeElementAt(index);
     pageList.insertElementAt(page, index + 1);
     tabbedPanel.removeTabAt(index);
     tabbedPanel.insertTab(
         page.isActive() ? page.getName() : page.getName() + " (D)",
         null,
         page.getComponent(),
         tooltip,
         index + 1);
   }
   tabbedPanel.setSelectedComponent(page.getComponent());
   changed = true;
 }
 protected void addPage(String _typeOfPage, String _name, String _code, boolean _enabled) {
   cardLayout.show(finalPanel, "TabbedPanel");
   _name = getUniqueName(_name);
   Editor page = createPage(_typeOfPage, _name, _code);
   page.setFont(myFont);
   page.setColor(myColor);
   int index = tabbedPanel.getSelectedIndex();
   if (index == -1) {
     pageList.addElement(page);
     if (tabbedPanel.getTabCount() == 0) {
       tabbedPanel.addTab(
           page.getName(),
           null,
           page.getComponent(),
           tooltip); // This causes an exception sometimes
     } else {
       tabbedPanel.insertTab(
           page.getName(), null, page.getComponent(), tooltip, tabbedPanel.getTabCount());
     }
     index = 0;
   } else {
     index++;
     pageList.insertElementAt(page, index);
     tabbedPanel.insertTab(page.getName(), null, page.getComponent(), tooltip, index);
   }
   tabbedPanel.setSelectedComponent(page.getComponent());
   page.setActive(_enabled);
   if (!_enabled) tabbedPanel.setTitleAt(index, page.getName() + " (D)");
   updatePageCounterField(pageList.size());
   // tabbedPanel.validate(); This hangs the computer when reading a file at start-up !!!???
   tabbedPanel.repaint();
   changed = true;
 }
 public void showPage(Editor anEditor) {
   for (int i = 0, n = tabbedPanel.getComponentCount(); i < n; i++) {
     if (tabbedPanel.getComponent(i) == anEditor.getComponent()) {
       //        System.out.println ("Found editor "+anEditor.getName()+ " at i="+i);
       ejs.showPanel(defaultHeader);
       cardLayout.show(finalPanel, anEditor.getName());
       tabbedPanel.setSelectedComponent(anEditor.getComponent());
       return;
     }
   }
 }
  /**
   * Emulates pressing <code>Enter</code> at current caret position.
   *
   * @param editor target editor
   * @param project target project
   * @param shifts two-elements array which is expected to be filled with the following info: 1. The
   *     first element holds added lines number; 2. The second element holds added symbols number;
   */
  private static void emulateEnter(
      @NotNull final Editor editor, @NotNull Project project, int[] shifts) {
    final DataContext dataContext = prepareContext(editor.getComponent(), project);
    int caretOffset = editor.getCaretModel().getOffset();
    Document document = editor.getDocument();
    SelectionModel selectionModel = editor.getSelectionModel();
    int startSelectionOffset = 0;
    int endSelectionOffset = 0;
    boolean restoreSelection = selectionModel.hasSelection();
    if (restoreSelection) {
      startSelectionOffset = selectionModel.getSelectionStart();
      endSelectionOffset = selectionModel.getSelectionEnd();
      selectionModel.removeSelection();
    }
    int textLengthBeforeWrap = document.getTextLength();
    int lineCountBeforeWrap = document.getLineCount();

    DataManager.getInstance()
        .saveInDataContext(dataContext, WRAP_LONG_LINE_DURING_FORMATTING_IN_PROGRESS_KEY, true);
    CommandProcessor commandProcessor = CommandProcessor.getInstance();
    try {
      Runnable command =
          new Runnable() {
            @Override
            public void run() {
              EditorActionManager.getInstance()
                  .getActionHandler(IdeActions.ACTION_EDITOR_ENTER)
                  .execute(editor, dataContext);
            }
          };
      if (commandProcessor.getCurrentCommand() == null) {
        commandProcessor.executeCommand(editor.getProject(), command, WRAP_LINE_COMMAND_NAME, null);
      } else {
        command.run();
      }
    } finally {
      DataManager.getInstance()
          .saveInDataContext(dataContext, WRAP_LONG_LINE_DURING_FORMATTING_IN_PROGRESS_KEY, null);
    }
    int symbolsDiff = document.getTextLength() - textLengthBeforeWrap;
    if (restoreSelection) {
      int newSelectionStart = startSelectionOffset;
      int newSelectionEnd = endSelectionOffset;
      if (startSelectionOffset >= caretOffset) {
        newSelectionStart += symbolsDiff;
      }
      if (endSelectionOffset >= caretOffset) {
        newSelectionEnd += symbolsDiff;
      }
      selectionModel.setSelection(newSelectionStart, newSelectionEnd);
    }
    shifts[0] = document.getLineCount() - lineCountBeforeWrap;
    shifts[1] = symbolsDiff;
  }
  private void recreateEditorsPanel() {
    myValuesPanel.removeAll();
    myValuesPanel.setLayout(new CardLayout());

    if (!myProject.isOpen()) return;
    JPanel valuesPanelComponent = new MyJPanel(new GridBagLayout());
    myValuesPanel.add(
        new JBScrollPane(valuesPanelComponent) {
          @Override
          public void updateUI() {
            super.updateUI();
            getViewport().setBackground(UIUtil.getPanelBackground());
          }
        },
        VALUES);
    myValuesPanel.add(myNoPropertySelectedPanel, NO_PROPERTY_SELECTED);

    List<PropertiesFile> propertiesFiles = myResourceBundle.getPropertiesFiles();

    GridBagConstraints gc =
        new GridBagConstraints(
            0,
            0,
            0,
            0,
            0,
            0,
            GridBagConstraints.NORTHWEST,
            GridBagConstraints.BOTH,
            new Insets(5, 5, 5, 5),
            0,
            0);
    releaseAllEditors();
    myTitledPanels.clear();
    int y = 0;
    Editor previousEditor = null;
    Editor firstEditor = null;
    for (final PropertiesFile propertiesFile : propertiesFiles) {
      final Editor editor = createEditor();
      final Editor oldEditor = myEditors.put(propertiesFile, editor);
      if (firstEditor == null) {
        firstEditor = editor;
      }
      if (previousEditor != null) {
        editor.putUserData(
            ChooseSubsequentPropertyValueEditorAction.PREV_EDITOR_KEY, previousEditor);
        previousEditor.putUserData(
            ChooseSubsequentPropertyValueEditorAction.NEXT_EDITOR_KEY, editor);
      }
      previousEditor = editor;
      if (oldEditor != null) {
        EditorFactory.getInstance().releaseEditor(oldEditor);
      }
      ((EditorEx) editor)
          .addFocusListener(
              new FocusChangeListener() {
                @Override
                public void focusGained(final Editor editor) {
                  mySelectedEditor = editor;
                }

                @Override
                public void focusLost(final Editor eventEditor) {
                  writeEditorPropertyValue(editor, propertiesFile, null);
                }
              });
      gc.gridx = 0;
      gc.gridy = y++;
      gc.gridheight = 1;
      gc.gridwidth = GridBagConstraints.REMAINDER;
      gc.weightx = 1;
      gc.weighty = 1;
      gc.anchor = GridBagConstraints.CENTER;

      Locale locale = propertiesFile.getLocale();
      List<String> names = new ArrayList<String>();
      if (!Comparing.strEqual(locale.getDisplayLanguage(), null)) {
        names.add(locale.getDisplayLanguage());
      }
      if (!Comparing.strEqual(locale.getDisplayCountry(), null)) {
        names.add(locale.getDisplayCountry());
      }
      if (!Comparing.strEqual(locale.getDisplayVariant(), null)) {
        names.add(locale.getDisplayVariant());
      }

      String title = propertiesFile.getName();
      if (!names.isEmpty()) {
        title += " (" + StringUtil.join(names, "/") + ")";
      }
      JComponent comp =
          new JPanel(new BorderLayout()) {
            @Override
            public Dimension getPreferredSize() {
              Insets insets = getBorder().getBorderInsets(this);
              return new Dimension(100, editor.getLineHeight() * 4 + insets.top + insets.bottom);
            }
          };
      comp.add(editor.getComponent(), BorderLayout.CENTER);
      comp.setBorder(IdeBorderFactory.createTitledBorder(title, true));
      myTitledPanels.put(propertiesFile, (JPanel) comp);

      valuesPanelComponent.add(comp, gc);
    }
    if (previousEditor != null) {
      previousEditor.putUserData(
          ChooseSubsequentPropertyValueEditorAction.NEXT_EDITOR_KEY, firstEditor);
      firstEditor.putUserData(
          ChooseSubsequentPropertyValueEditorAction.PREV_EDITOR_KEY, previousEditor);
    }

    gc.gridx = 0;
    gc.gridy = y;
    gc.gridheight = GridBagConstraints.REMAINDER;
    gc.gridwidth = GridBagConstraints.REMAINDER;
    gc.weightx = 10;
    gc.weighty = 1;

    valuesPanelComponent.add(new JPanel(), gc);
    selectionChanged();
    myValuesPanel.repaint();
    UIUtil.invokeAndWaitIfNeeded(
        new Runnable() {
          @Override
          public void run() {
            updateEditorsFromProperties();
          }
        });
  }