import menu.MenuListener;
import menu.Item;
import menu.Menu;
import javax.microedition.lcdui.*;

public class MenuCanvas extends Canvas implements MenuListener {
private static final int ALERT_TIMEOUT = 4000;
private static final String ALERT_TITLE = "Menu Example";
private static final int COLOR_BACKGROUND = 0xFFFFFF;
private static final int COLOR_ITEM = 0x3B52D5;
private static final int COLOR_ITEM_SELECTED = 0x0202CB;
private static final Font font = Font.getDefaultFont();
private int w, h;
private int firstItemPosition;
private int fontHeight;
private Menu mainMenu;
private Item[] menuItems;
private int itemIndex;
public MenuCanvas() {

setFullScreenMode(true);
w = getWidth();
h = getHeight();
fontHeight = font.getHeight()+2;
firstItemPosition = h/2 - h/4;
mainMenu = new Menu();
mainMenu.addItem(new Item("mainMenu.addItem"));
mainMenu.addItem(new Item("2mainMenu.addItem"));
mainMenu.addItem(new Item("3mainMenu.addItem"));
mainMenu.addItem(new Item("4mainMenu"));
mainMenu.addItem(new Item("5mainMenu.addItem"));
mainMenu.addItem(new Item("6mainMenu.addItem")); {
public void itemAction (){
Main.midlet.destroyApp(true); 
}
}
mainMenu.setMenuListener(MenuCanvas.this);
menuItems = mainMenu.getItems();
itemIndex = 0;
}
protected void paint(Graphics g) {
g.setColor(COLOR_BACKGROUND);
g.fillRect(0, 0, w, h);
g.setFont(font);
for(int i = 0; i < menuItems.length; i++) {
String text = getItem(i).getLabel();
int color = COLOR_ITEM;
if(i == itemIndex) {
text = "<< "+text+" >>";
color = COLOR_ITEM_SELECTED;
}
g.setColor(color);
g.drawString(text,
w/2, firstItemPosition+i*fontHeight,
Graphics.HCENTER | Graphics.TOP);
}
}
protected void sizeChanged(int w, int h) {
this.w = getWidth();
this.h = getHeight();
super.sizeChanged(w, h);
}
protected void keyPressed(int key) {
int ga = getGameAction(key);
switch(ga) {
case UP:
case LEFT:
if(itemIndex < 0)
itemIndex = menuItems.length - 1;
break 
case DOWN:
case RIGHT:
itemIndex++;
if(itemIndex >= menuItems.length)
itemIndex = 0;
break;
case FIRE:
mainMenu.action(itemIndex);
break;
}
repaint();
} 
public void menuAction(int itemIndex) {
Item currentItem = getItem(itemIndex);
String itemLabel = currentItem.getLabel();
Alert showInfo = new Alert(ALERT_TITLE, itemLabel, null, AlertType.CONFIRMATION);
showInfo.setTimeout(ALERT_TIMEOUT);
Main.midlet.dsp.setCurrent(showInfo, this);
currentItem.itemAction();
}
private Item getItem(int itemIndex) {
return menuItems[itemIndex];
}
}