package nodebox.client.port;
import nodebox.node.MenuItem;
import nodebox.node.Port;
import nodebox.ui.Theme;
import javax.swing.*;
import javax.swing.event.ListDataListener;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;
public class MenuControl extends AbstractPortControl implements ActionListener {
private String value;
private JComboBox menuBox;
private MenuDataModel menuModel;
public MenuControl(String nodePath, Port port) {
super(nodePath, port);
setLayout(new FlowLayout(FlowLayout.LEADING, 0, 0));
menuBox = new JComboBox();
menuModel = new MenuDataModel(port);
MenuItemRenderer menuItemRenderer = new MenuItemRenderer();
menuBox.setModel(menuModel);
menuBox.setRenderer(menuItemRenderer);
menuBox.putClientProperty("JComponent.sizeVariant", "small");
menuBox.putClientProperty("JComboBox.isPopDown", Boolean.TRUE);
menuBox.setFont(Theme.SMALL_BOLD_FONT);
menuBox.addActionListener(this);
add(menuBox);
setValueForControl(port.getValue());
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
menuBox.setEnabled(enabled);
}
public void setValueForControl(Object v) {
String key = (String) v;
if (value != null && value.equals(key)) return;
Object item = menuModel.getMenuItem(key);
if (menuBox.getSelectedItem() == item) return;
menuBox.setSelectedItem(item);
// The menuBox does not update automatically
menuBox.repaint();
value = key;
}
public void actionPerformed(ActionEvent e) {
MenuItem item = (MenuItem) menuBox.getSelectedItem();
if (item != null) {
setPortValue(item.getKey());
}
}
private class MenuDataModel implements ComboBoxModel {
List<MenuItem> menuItems;
MenuItem selectedItem;
public MenuDataModel(Port port) {
menuItems = port.getMenuItems();
}
public MenuItem getMenuItem(String key) {
for (MenuItem item : menuItems) {
if (item.getKey().equals(key))
return item;
}
return null;
}
public void setSelectedItem(Object anItem) {
selectedItem = (MenuItem) anItem;
}
public Object getSelectedItem() {
return selectedItem;
}
public int getSize() {
return menuItems.size();
}
public Object getElementAt(int index) {
return menuItems.get(index);
}
public void addListDataListener(ListDataListener l) {
// Listeners are not supported.
}
public void removeListDataListener(ListDataListener l) {
// Listeners are not supported.
}
}
private class MenuItemRenderer extends DefaultListCellRenderer {
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
JLabel label = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (label == null) return null;
MenuItem item = (MenuItem) value;
if (item == null) return label;
label.setText(item.getLabel());
label.setFont(Theme.SMALL_BOLD_FONT);
return label;
}
}
}