@Override
public JPopupMenu getComponentPopupMenu() {
if (popupMenu == null) {
popupMenu = new JPopupMenu(Messages.CHART_COLON);
timeRangeMenu = new JMenu(Messages.PLOTTER_TIME_RANGE_MENU);
timeRangeMenu.setMnemonic(Resources.getMnemonicInt(Messages.PLOTTER_TIME_RANGE_MENU));
popupMenu.add(timeRangeMenu);
menuRBs = new JRadioButtonMenuItem[rangeNames.length];
ButtonGroup rbGroup = new ButtonGroup();
for (int i = 0; i < rangeNames.length; i++) {
menuRBs[i] = new JRadioButtonMenuItem(rangeNames[i]);
rbGroup.add(menuRBs[i]);
menuRBs[i].addActionListener(this);
if (viewRange == rangeValues[i]) {
menuRBs[i].setSelected(true);
}
timeRangeMenu.add(menuRBs[i]);
}
popupMenu.addSeparator();
saveAsMI = new JMenuItem(Messages.PLOTTER_SAVE_AS_MENU_ITEM);
saveAsMI.setMnemonic(Resources.getMnemonicInt(Messages.PLOTTER_SAVE_AS_MENU_ITEM));
saveAsMI.addActionListener(this);
popupMenu.add(saveAsMI);
}
return popupMenu;
}
/**
* Returns the popup menu which is at the root of the menu system for this popup menu.
*
* @return the topmost grandparent <code>JPopupMenu</code>
*/
JPopupMenu getRootPopupMenu() {
JPopupMenu mp = this;
while ((mp != null)
&& (mp.isPopupMenu() != true)
&& (mp.getInvoker() != null)
&& (mp.getInvoker().getParent() != null)
&& (mp.getInvoker().getParent() instanceof JPopupMenu)) {
mp = (JPopupMenu) mp.getInvoker().getParent();
}
return mp;
}
/**
* Examines the list of menu items to determine whether <code>popup</code> is a popup menu.
*
* @param popup a <code>JPopupMenu</code>
* @return true if <code>popup</code>
*/
boolean isSubPopupMenu(JPopupMenu popup) {
int ncomponents = this.getComponentCount();
Component[] component = this.getComponents();
for (int i = 0; i < ncomponents; i++) {
Component comp = component[i];
if (comp instanceof JMenu) {
JMenu menu = (JMenu) comp;
JPopupMenu subPopup = menu.getPopupMenu();
if (subPopup == popup) return true;
if (subPopup.isSubPopupMenu(popup)) return true;
}
}
return false;
}