/** Alter the bounds of the popup just before it is made visible. */
@Override
public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
JComboBox comboBox = (JComboBox) e.getSource();
if (comboBox.getItemCount() == 0) return;
final Object child = comboBox.getAccessibleContext().getAccessibleChild(0);
if (child instanceof BasicComboPopup) {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
customizePopup((BasicComboPopup) child);
}
});
}
}
/**
* Notify to all valid extensions that this menu Item is about to be displayed.
*
* @param event The associated event
*/
@Override
public void popupMenuWillBecomeVisible(PopupMenuEvent event) {
int itemsCount = 0;
JPopupMenu aPopup = (JPopupMenu) event.getSource();
MenuElement[] elements = aPopup.getSubElements();
for (int index = 0; index < elements.length; index++) {
JComponent aComponent = (JComponent) elements[index].getComponent();
if (aComponent == null) {
continue;
}
if (!(aComponent instanceof JMenuItem)) {
continue;
}
ExtensionWrapper aWrapper =
(ExtensionWrapper) aComponent.getClientProperty("bluej.extmgr.ExtensionWrapper");
if (aWrapper == null) {
continue;
}
if (!aWrapper.isValid()) {
popupMenu.remove(aComponent);
continue;
}
aWrapper.safePostMenuItem(menuGenerator, (JMenuItem) aComponent);
itemsCount++;
}
if (itemsCount <= 0) {
popupMenu.remove(menuSeparator);
}
}