phonelist.java

手机电话本 初学者

/*
 * Created on 2005-2-4
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package net.garrey.view;

import java.util.Vector;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.List;

import net.garrey.model.PhoneItem;
import net.garrey.util.UIController;

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class PhoneList extends List{
    private UIController controller;
    private Command EXIT_COMMAND;
    private Command ADD_COMMAND;
	private Command EDIT_COMMAND;
	private Command VIEW_COMMAND;
	private Command DELETE_COMMAND;
	private Command ABOUT_COMMAND;
	
	private Vector items;
	private Image icon;
    //contructor	
    public PhoneList(String title,UIController control,Vector vec){
    	super(title,List.IMPLICIT);
    	//load image
    	try{
    	    icon=Image.createImage("/icon/App.png");
    	}catch(java.io.IOException e){
    	    icon=null;
    	    System.out.println("load image error");
    	}	
    	
    	controller=control;
    	this.setCommandListener(new PhoneListListener());
    	this.items=vec;
    	
    	EXIT_COMMAND=new Command("退出",Command.EXIT,1);
    	VIEW_COMMAND=new Command("查看",Command.ITEM,2);
    	ADD_COMMAND=new Command("添加",Command.ITEM,2);
    	EDIT_COMMAND=new Command("编辑",Command.ITEM,2);
    	DELETE_COMMAND=new Command("删除",Command.ITEM,2);
    	ABOUT_COMMAND=new Command("关于",Command.ITEM,2);
    	
    	this.addCommand(EXIT_COMMAND);
    	this.addCommand(VIEW_COMMAND);
    	this.addCommand(ADD_COMMAND);
    	this.addCommand(EDIT_COMMAND);
    	this.addCommand(DELETE_COMMAND);
    	this.addCommand(ABOUT_COMMAND);
    	
    	if(vec!=null&&vec.size()>0){
    		PhoneItem phone=null;
    		for(int i=0;i<vec.size();i++){
    			phone=(PhoneItem)vec.elementAt(i);
    			this.append(phone.getName(),icon);
    		}
    	}

    }
    
    public void refresh(Vector vec){
        this.deleteAll();
        this.items=vec;
    	if(vec!=null&&vec.size()>0){
    		PhoneItem phone=null;
    		for(int i=0;i<vec.size();i++){
    			phone=(PhoneItem)vec.elementAt(i);
    			this.append(phone.getName(),icon);
    		}
    	}
    }
    
    public void add(PhoneItem phone){
        this.append(phone.getName(),icon);
    }
    
    //监听器
    private class PhoneListListener implements CommandListener{ 
    	public void commandAction(Command command, Displayable disp){
    			if(command==EXIT_COMMAND){
    				controller.handleEvent(UIController.EventID.EVENT_EXIT,null);
    	        }else if(command==VIEW_COMMAND){
    	            int ind=((List)disp).getSelectedIndex();
    	            if(ind==-1)
    	                return;
    				Object[] args={items.elementAt(ind)};
    				controller.handleEvent(UIController.EventID.EVENT_VIEW_DETAIL,args);
    			}else if(command==ADD_COMMAND){
    				controller.handleEvent(UIController.EventID.EVENT_NEW_RECORD,null);
    			}else if(command==EDIT_COMMAND){
    	            int ind=((List)disp).getSelectedIndex();
    	            if(ind==-1)
    	                return;
    				Object[] args={items.elementAt(ind)};    		
    				controller.handleEvent(UIController.EventID.EVENT_EDIT,args);
    			}else if(command==DELETE_COMMAND){
    	            int ind=((List)disp).getSelectedIndex();
    	            if(ind==-1)
    	                return;
    				Object[] args={items.elementAt(ind)};
    				controller.handleEvent(UIController.EventID.EVENT_DELETE,args);
    			}else if(command==ABOUT_COMMAND){
    			    controller.handleEvent(UIController.EventID.EVENT_ABOUT,null);
    			}
    	}
    }
}