private void updateEditorsFromProperties() {
    String propertyName = getSelectedPropertyName();
    ((CardLayout) myValuesPanel.getLayout())
        .show(myValuesPanel, propertyName == null ? NO_PROPERTY_SELECTED : VALUES);
    if (propertyName == null) return;

    for (final PropertiesFile propertiesFile : myResourceBundle.getPropertiesFiles(myProject)) {
      final EditorEx editor = (EditorEx) myEditors.get(propertiesFile);
      if (editor == null) continue;
      final IProperty property = propertiesFile.findPropertyByKey(propertyName);
      final Document document = editor.getDocument();
      CommandProcessor.getInstance()
          .executeCommand(
              null,
              new Runnable() {
                @Override
                public void run() {
                  ApplicationManager.getApplication()
                      .runWriteAction(
                          new Runnable() {
                            @Override
                            public void run() {
                              updateDocumentFromPropertyValue(
                                  getPropertyEditorValue(property), document, propertiesFile);
                            }
                          });
                }
              },
              "",
              this);

      JPanel titledPanel = myTitledPanels.get(propertiesFile);
      ((TitledBorder) titledPanel.getBorder())
          .setTitleColor(property == null ? JBColor.RED : UIUtil.getLabelTextForeground());
      titledPanel.repaint();
    }
  }
 @Override
 protected JComponent createNorthPanel() {
   final JPanel northPanel = (JPanel) super.createNorthPanel();
   northPanel.add(new JLabel(MESSAGE), BorderLayout.CENTER);
   return northPanel;
 }
  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();
          }
        });
  }
  public ResourceBundleEditor(@NotNull ResourceBundle resourceBundle) {
    myProject = resourceBundle.getProject();

    final JPanel splitPanel = new JPanel();
    myValuesPanel = new JPanel();
    myStructureViewPanel = new JPanel();
    JBSplitter splitter = new JBSplitter(false);
    splitter.setFirstComponent(myStructureViewPanel);
    splitter.setSecondComponent(myValuesPanel);
    splitter.setShowDividerControls(true);
    splitter.setHonorComponentsMinimumSize(true);
    splitter.setAndLoadSplitterProportionKey(getClass() + ".splitter");
    splitPanel.setLayout(new BorderLayout());
    splitPanel.add(splitter, BorderLayout.CENTER);

    myResourceBundle = resourceBundle;
    myStructureViewComponent = new ResourceBundleStructureViewComponent(myResourceBundle, this);
    myStructureViewPanel.setLayout(new BorderLayout());
    myStructureViewPanel.add(myStructureViewComponent, BorderLayout.CENTER);

    myStructureViewComponent
        .getTree()
        .getSelectionModel()
        .addTreeSelectionListener(
            new TreeSelectionListener() {
              private IProperty selectedProperty;
              private PropertiesFile selectedPropertiesFile;

              @Override
              public void valueChanged(TreeSelectionEvent e) {
                // filter out temp unselect/select events
                if (Comparing.equal(e.getNewLeadSelectionPath(), e.getOldLeadSelectionPath())
                    || getSelectedProperty() == null) return;
                if (!arePropertiesEquivalent(selectedProperty, getSelectedProperty())
                    || !Comparing.equal(selectedPropertiesFile, getSelectedPropertiesFile())) {

                  if (e.getOldLeadSelectionPath() != null) {
                    for (Map.Entry<PropertiesFile, Editor> entry : myEditors.entrySet()) {
                      if (entry.getValue() == mySelectedEditor) {
                        writeEditorPropertyValue(
                            mySelectedEditor, entry.getKey(), selectedProperty.getName());
                        break;
                      }
                    }
                  }

                  selectedProperty = getSelectedProperty();
                  selectedPropertiesFile = getSelectedPropertiesFile();
                  selectionChanged();
                }
              }

              private boolean arePropertiesEquivalent(
                  @Nullable IProperty p1, @Nullable IProperty p2) {
                if (p1 == p2) {
                  return true;
                }
                if (p1 == null || p2 == null) {
                  return false;
                }
                return p1.getPsiElement().isEquivalentTo(p2.getPsiElement());
              }
            });
    installPropertiesChangeListeners();

    myEditors = new THashMap<PropertiesFile, Editor>();
    myTitledPanels = new THashMap<PropertiesFile, JPanel>();
    recreateEditorsPanel();

    TreeElement[] children = myStructureViewComponent.getTreeModel().getRoot().getChildren();
    if (children.length != 0) {
      TreeElement child = children[0];
      String propName =
          ((ResourceBundlePropertyStructureViewElement) child).getProperty().getUnescapedKey();
      setState(new ResourceBundleEditorState(propName));
    }
    myDataProviderPanel = new DataProviderPanel(splitPanel);

    myProject
        .getMessageBus()
        .connect(myProject)
        .subscribe(
            FileEditorManagerListener.FILE_EDITOR_MANAGER,
            new FileEditorManagerAdapter() {
              @Override
              public void selectionChanged(@NotNull FileEditorManagerEvent event) {
                onSelectionChanged(event);
              }
            });
  }