javaMe自定义菜单

public interface IMenuItemListener {
 public abstract void setTask();

}

z自定义的抽象事件，因为接口可以当成对象来使用，只不过自使用时需重写其中 的抽象方法。自定义的菜单响应事件接口。

import com.sun.lwuit.Button;
import com.sun.lwuit.Dialog;
import com.sun.lwuit.Image;
import com.sun.lwuit.events.ActionEvent;
import com.sun.lwuit.events.ActionListener;

public class IMenuItem extends Button{  
 private IMenuItemListener  menuItemListener=null; 
 public IMenuItem(){
  super();
  run();
 }
 public IMenuItem(String title){
  super(title);
  run();
 }
 public IMenuItem(Image icon){
  super(icon);
  run();
 }
 public IMenuItem(String text, Image icon){
  super(text,icon);
  run();  
 }

 private void run(){
  this.getStyle().setBorder(null);
  this.getPressedStyle().setBorder(null);  
  this.getSelectedStyle().setBorder(null);
  
  this.getPressedStyle().setBgColor(0X53123);
  this.getSelectedStyle().setBgColor(0Xbcbcbc);
  
  this.getStyle().setMargin(0, 0, 0,0);
  this.getSelectedStyle().setMargin(0, 0,0,0);
  this.getPressedStyle().setMargin(0, 0,0,0);
  
  this.setTextPosition(Button.LEFT);  
  this.addActionListener(new ActionListener(){
   public void actionPerformed(ActionEvent evt) {   
    Dialog dialog=(Dialog)((Button)evt.getSource()).getComponentForm();    
    if(dialog!=null)
     dialog.dispose(); //释放所在的资源
    
    if(menuItemListener!=null)
     menuItemListener.setTask();
   
   }   
  });
 }
 public void addMenuItemListener(IMenuItemListener Itemlistener){
  menuItemListener=Itemlistener;
 } 
}

/**********自定义的菜单项继承Button***********/

 

 

import java.util.Vector;

import com.peptalk.kaikai.client.ui.BaseUiData;
import com.sun.lwuit.Command;
import com.sun.lwuit.Component;
import com.sun.lwuit.Dialog;
import com.sun.lwuit.Display;
import com.sun.lwuit.Image;
import com.sun.lwuit.events.ActionEvent;
import com.sun.lwuit.events.ActionListener;
import com.sun.lwuit.layouts.BoxLayout;

public class IMenu extends Command{
 
 private int height=0;
 private int width=0;
 private Vector vec=new Vector();
 
 private Dialog dialog=null;
 private BoxLayout lay=new BoxLayout(BoxLayout.Y_AXIS);
 
     private boolean orgion=RIGHT; 
  public static final boolean LEFT=false;
     public static final boolean RIGHT=true;
    
    public IMenu(String title){
     super(title);
     dialog=new Dialog(){
        public void menuDisplose() { //重写按键释放方法            
         this.dispose();
        }        
     };
     dialog.setTransitionInAnimator(BaseUiData.getInstance().getSlideLeft());
     d