/*******************************************************************************
* Copyright (c) 2007 cnfree.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* cnfree - initial API and implementation
*******************************************************************************/
package org.sf.feeling.swt.win32.extension.widgets;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.sf.feeling.swt.win32.extension.widgets.listener.MenuListener;
public class CMenu {
private List items = new ArrayList();
public CMenuItem addItem(CMenuItem value) {
items.add(value);
return value;
}
public void addItems(CMenuItem[] values) {
for (int i = 0; i < values.length; i++) {
addItem(values[i]);
}
}
public void removeItem(CMenuItem value) {
value.disposed();
items.remove(value);
}
public void addItem(int index, CMenuItem value) {
items.add(index, value);
}
public void removeAll() {
while (items.size() > 0)
removeItem(getItem(0));
}
public boolean contains(CMenuItem value) {
return items.contains(value);
}
public int getItemCount() {
return items.size();
}
public CMenuItem getItem(int index) {
if (index < 0 || index >= items.size())
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
return (CMenuItem) items.get(index);
}
public CMenuItem getItem(String text) {
for (int i = 0; i < items.size(); i++) {
CMenuItem item = getItem(i);
if (item.getText().equals(text))
return item;
}
return null;
}
public boolean visibleItems() {
for (int i = 0; i < items.size(); i++) {
CMenuItem item = getItem(i);
if (item.isVisible()) {
if (!item.getText().equals("-")) {
if (item.getMenu() != null
&& item.getMenu().getItemCount() > 0
&& !item.getMenu().visibleItems())
continue;
return true;
}
}
}
return false;
}
public int indexOf(CMenuItem value) {
return items.indexOf(value);
}
private List listeners;
public void addMenuListener(MenuListener listener) {
if (listener == null)
return;
if (listeners == null)
listeners = new ArrayList();
if (!listeners.contains(listener))
listeners.add(listener);
}
public void removeMenuListener(MenuListener listener) {
if (listener == null)
return;
listeners.remove(listener);
if (listeners != null && listeners.size() == 0)
listeners = null;
}
void fireMenuEvent(final Event event) {
if (listeners != null) {
for (int i = 0; i < listeners.size(); i++) {
final MenuListener listener = (MenuListener) listeners.get(i);
switch (event.type) {
case SWT.OPEN:
listener.menuShown(event);
break;
case SWT.CLOSE:
listener.menuHidden(event);
break;
case SWT.SELECTED:
listener.menuSelected(event);
break;
}
}
}
}
public void dispose() {
listeners.clear();
removeAll();
}
}