private TemplateState initTemplateState(@NotNull Editor editor) {
   clearTemplateState(editor);
   TemplateState state = new TemplateState(myProject, editor);
   Disposer.register(this, state);
   editor.putUserData(TEMPLATE_STATE_KEY, state);
   return state;
 }
 static void clearTemplateState(@NotNull Editor editor) {
   TemplateState prevState = getTemplateState(editor);
   if (prevState != null) {
     disposeState(prevState);
   }
   editor.putUserData(TEMPLATE_STATE_KEY, null);
 }
  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();
          }
        });
  }