LookManager(JButton arrowbutton, PopupPanel popuppanel) {
arrow = arrowbutton;
popup = popuppanel;
popup.addPopupMenuListener(this);
initButton(arrow);
arrow.addMouseListener(this);
}
private void showPopup() {
if (isEnabled()) {
if (popup.isVisible()) {
popup.setVisible(false);
} else {
Component[] components = popup.getComponents();
if (components != null) {
for (int i = 0; i < components.length; i++) {
if (components[i] instanceof Item) ((Item) components[i]).removeActionListener(this);
else if (components[i] instanceof MenuItem) {
Component[] subcomponents = ((MenuItem) components[i]).getComponents();
for (int j = 0; j < components.length; j++) {
if (components[j] instanceof Item)
((Item) components[j]).removeActionListener(this);
}
}
}
}
popup.removeAll();
if (values == null) return;
for (int i = 0; i < values.length; i++) {
JMenuItem item = null;
if (values[i] instanceof ListDescriptor) {
ListDescriptor descriptor = (ListDescriptor) values[i];
Icon icon = descriptor.getIcon();
item = new Item(values[i].toString(), icon, i);
item.addActionListener(this);
} else if (values[i] instanceof AddElement) {
AddElement element = (AddElement) values[i];
Icon icon = element.getIcon();
Object[] choiceValues = element.getChoiceValues();
if (choiceValues != null) {
item = new MenuItem(element.toString(), icon, i);
for (int j = 0; j < choiceValues.length; j++) {
if (choiceValues[j] == null) {
((JMenu) item).addSeparator();
continue;
}
Item subItem = new Item(choiceValues[j].toString(), j);
((JMenu) item).add(subItem);
subItem.setParentIndex(i);
subItem.addActionListener(this);
}
} else {
item = new Item(element.toString(), icon, i);
item.addActionListener(this);
}
item.setVisible(element.isVisible());
item.setEnabled(element.isEnabled());
} else {
if (values[i] != null) {
item = new Item(values[i].toString(), i);
item.addActionListener(this);
}
}
if (item != null) {
popup.add(item);
} else popup.addSeparator();
}
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
AwtUtil.showPopupPanel(PopupMenuButton.this, popup);
}
});
}
}
}
public void updateUI() {
super.updateUI();
if (popup != null) popup.updateUI();
}