How to use

getMainPanel

method

in

org.jfree.ui.tabbedui.RootEditor

  /**
   * Update handler for the enable state of the root editor.
   * 
   * @param editor  the editor.
   */
  protected void updateRootEditorEnabled(final RootEditor editor) {

    final boolean enabled = editor.isEnabled();
    for (int i = 0; i < this.tabbedPane.getTabCount(); i++) {
      final Component tab = this.tabbedPane.getComponentAt(i);
      if (tab == editor.getMainPanel()) {
        this.tabbedPane.setEnabledAt(i, enabled);
        return;
      }
    }
  }
}

  /**
   * Update handler for the enable state of the root editor.
   * 
   * @param editor  the editor.
   */
  protected void updateRootEditorEnabled(final RootEditor editor) {

    final boolean enabled = editor.isEnabled();
    for (int i = 0; i < this.tabbedPane.getTabCount(); i++) {
      final Component tab = this.tabbedPane.getComponentAt(i);
      if (tab == editor.getMainPanel()) {
        this.tabbedPane.setEnabledAt(i, enabled);
        return;
      }
    }
  }
}

  /**
   * Update handler for the enable state of the root editor.
   * 
   * @param editor  the editor.
   */
  protected void updateRootEditorEnabled(final RootEditor editor) {

    final boolean enabled = editor.isEnabled();
    for (int i = 0; i < this.tabbedPane.getTabCount(); i++) {
      final Component tab = this.tabbedPane.getComponentAt(i);
      if (tab == editor.getMainPanel()) {
        this.tabbedPane.setEnabledAt(i, enabled);
        return;
      }
    }
  }
}

/**
 * Adds a root editor.
 *
 * @param rootPanel the root panel.
 */
public void addRootEditor(final RootEditor rootPanel) {
  this.rootEditors.add(rootPanel);
  this.tabbedPane.add(rootPanel.getEditorName(), rootPanel.getMainPanel());
  rootPanel.addPropertyChangeListener("enabled", new TabEnableChangeListener());
  updateRootEditorEnabled(rootPanel);
  if (getRootEditorCount () == 1) {
    setSelectedEditor(0);
  }
  else if (isGlobalMenu()) {
    setJMenuBar(updateGlobalMenubar());
  }
}

/**
 * Adds a root editor.
 *
 * @param rootPanel the root panel.
 */
public void addRootEditor(final RootEditor rootPanel) {
  this.rootEditors.add(rootPanel);
  this.tabbedPane.add(rootPanel.getEditorName(), rootPanel.getMainPanel());
  rootPanel.addPropertyChangeListener("enabled", new TabEnableChangeListener());
  updateRootEditorEnabled(rootPanel);
  if (getRootEditorCount () == 1) {
    setSelectedEditor(0);
  }
  else if (isGlobalMenu()) {
    setJMenuBar(updateGlobalMenubar());
  }
}

/**
 * Adds a root editor.
 *
 * @param rootPanel the root panel.
 */
public void addRootEditor(final RootEditor rootPanel) {
  this.rootEditors.add(rootPanel);
  this.tabbedPane.add(rootPanel.getEditorName(), rootPanel.getMainPanel());
  rootPanel.addPropertyChangeListener("enabled", new TabEnableChangeListener());
  updateRootEditorEnabled(rootPanel);
  if (getRootEditorCount () == 1) {
    setSelectedEditor(0);
  }
  else if (isGlobalMenu()) {
    setJMenuBar(updateGlobalMenubar());
  }
}