private WindowMenuItem findOwnerItem() {
for (WindowMenuItem i : persistentItems) {
if (i.getJFrame() == owner) {
return i;
}
}
for (WindowMenuItem i : transientItems) {
if (i.getJFrame() == owner) {
return i;
}
}
return null;
}
void addMenuItem(Object source, WindowMenuItem item, boolean persistent) {
if (persistent) {
persistentItems.add(item);
} else {
transientItems.add(item);
}
item.addActionListener(myListener);
computeContents();
}
@Override
public void actionPerformed(ActionEvent e) {
Object src = e.getSource();
if (src == minimize) {
doMinimize();
} else if (src == zoom) {
doZoom();
} else if (src == close) {
doClose();
} else if (src instanceof WindowMenuItem) {
WindowMenuItem choice = (WindowMenuItem) src;
if (choice.isSelected()) {
WindowMenuItem item = findOwnerItem();
if (item != null) {
item.setSelected(true);
}
choice.actionPerformed(e);
}
}
}
