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ActionMenuItem.java
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130 lines (111 loc) · 2.99 KB
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package org.lcdproc.lcdjava;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
/**
* ActionMenuItem.
* <p>Item to trigger an action
* @author StefanKrupop
*/
public class ActionMenuItem extends AbstractMenuItem
{
public enum MenuResult {
/**
* Menu stays as it is
*/
None("none"),
/**
* Menu closes and returns to a higher level
*/
Close("close"),
/**
* Quits the menu completely
*/
Quit("quit");
public String val;
MenuResult(String val) {
this.val = val;
}
}
private MenuResult _menuResult;
/**
* Constructor.
* @param id the of the action.
* @param menu the Submenu that knows about this MenuItem.
*/
protected ActionMenuItem(String id, Submenu menu)
{
super(id, menu);
_menuResult = MenuResult.None;
}
/**
* Get the menu item type.
* @return the menu item type.
*/
public String getType()
{
return MENUITEM_ACTION;
}
/**
* Sets what to do with the menu when this action is selected
* @param result the MenuResult
*/
public void setMenuResult(MenuResult result) {
_menuResult = result;
update();
}
@Override
public String getData() {
return super.getData() + " -menu_result " + _menuResult.val;
}
/**
* Construct a new ActionMenuItem.
* @param menu the Submenu that owns the menu item.
* @param text the menu text.
* @return a new ActionMenuItem.
*/
public static ActionMenuItem construct(Submenu menu, String text)
{
return construct(menu, text, MenuResult.None);
}
/**
* Construct a new ActionMenuItem.
* @param menu the Submenu that owns the menu item.
* @param text the menu text.
* @param result the MenuResult defining what to do when action is selected
* @return a new ActionMenuItem.
*/
public static ActionMenuItem construct(Submenu menu, String text, MenuResult result)
{
ActionMenuItem menuItem = null;
try
{
menuItem = (ActionMenuItem)menu.constructMenuItem(MENUITEM_ACTION);
menuItem.setMenuResult(result);
menuItem.setText(text);
}
catch (LCDException e) //NOPMD
{
// Supress, would only get one if we asked for an invalid menu item.
}
return menuItem;
}
/**
* Adds an ActionListener to the menu item.
* @param listener the ActionListener to be added
*/
public void addActionListener(ActionListener listener) {
_listeners.add(ActionListener.class, listener);
}
/**
* Removes an ActionListener from the menu item.
* @param listener the ActionListener to be removed
*/
public void removeActionListener(ActionListener listener) {
_listeners.remove(ActionListener.class, listener);
}
public void notifyActionPerformed(ActionEvent e) {
for (ActionListener l : _listeners.getListeners(ActionListener.class)) {
l.actionPerformed(e);
}
}
}