180     protected static final String SIZE_CMD =
 181         UIManager.getString("InternalFrameTitlePane.sizeButtonText");
 182 
 183     private String closeButtonToolTip;
 184     private String iconButtonToolTip;
 185     private String restoreButtonToolTip;
 186     private String maxButtonToolTip;
 187     private Handler handler;
 188 
 189     /**
 190      * Constructs a new instance of {@code BasicInternalFrameTitlePane}.
 191      *
 192      * @param f an instance of {@code JInternalFrame}
 193      */
 194     public BasicInternalFrameTitlePane(JInternalFrame f) {
 195         frame = f;
 196         installTitlePane();
 197     }
 198 
 199     /**










 200      * Installs the title pane.
 201      */
 202     protected void installTitlePane() {
 203         installDefaults();
 204         installListeners();
 205 
 206         createActions();
 207         enableActions();
 208         createActionMap();
 209 
 210         setLayout(createLayout());
 211 
 212         assembleSystemMenu();
 213         createButtons();
 214         addSubComponents();
 215 
 216         updateProperties();
 217     }
 218 
 219     private void updateProperties() {

 180     protected static final String SIZE_CMD =
 181         UIManager.getString("InternalFrameTitlePane.sizeButtonText");
 182 
 183     private String closeButtonToolTip;
 184     private String iconButtonToolTip;
 185     private String restoreButtonToolTip;
 186     private String maxButtonToolTip;
 187     private Handler handler;
 188 
 189     /**
 190      * Constructs a new instance of {@code BasicInternalFrameTitlePane}.
 191      *
 192      * @param f an instance of {@code JInternalFrame}
 193      */
 194     public BasicInternalFrameTitlePane(JInternalFrame f) {
 195         frame = f;
 196         installTitlePane();
 197     }
 198 
 199     /**
 200      * Gets {@code JInternalFrame} instance
 201      *
 202      * @return {@code JInternalFrame} instance
 203      * @since 12
 204      */
 205     public JInternalFrame getInternalFrame() {
 206         return frame;
 207     }
 208 
 209     /**
 210      * Installs the title pane.
 211      */
 212     protected void installTitlePane() {
 213         installDefaults();
 214         installListeners();
 215 
 216         createActions();
 217         enableActions();
 218         createActionMap();
 219 
 220         setLayout(createLayout());
 221 
 222         assembleSystemMenu();
 223         createButtons();
 224         addSubComponents();
 225 
 226         updateProperties();
 227     }
 228 
 229     private void updateProperties() {