listphoneui.java

运行在手机上的一款通讯录程序

/*
 * Created on 2004-6-25
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.north.phonebook.ui;

import javax.microedition.lcdui.*;
import com.north.phonebook.model.*;

/**
 * @author P2800
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class ListPhoneUI extends List implements CommandListener
{
    private UIController uicontroller;
    //private int listNum = 0;
    //private int lastSize = 0;


    public static final Command backCommand = new Command("返回", Command.BACK, 2);
    public static final Command infoCommand = new Command("详情", Command.ITEM, 1);
    public static final Command deleCommand = new Command("删除", Command.OK, 3);

    public ListPhoneUI(UIController uicontroller)
    {
        super(Title.listPhoneTitle, List.IMPLICIT);
        this.uicontroller = uicontroller;
        this.addCommand(backCommand);
        this.addCommand(deleCommand);
        this.addCommand(infoCommand);
        this.setCommandListener(this);
    }

    public void init(Index[] index)
    {
        /*
        for (int i = lastSize-1; i >= 0; i--)
        {
            delete(i);
        }
        */
        deleteAll();
        for (int i = 0; i < index.length; i++)
        {
            append(index[i].getKey(), null);
        }
        //lastSize = index.length;

    }
    
    public void deleteAll()
    {
        int size = size();
        for(int i = size-1;i>=0;i--)
        {
            delete(i);
        }
    }
    /*
    public void subLastSize()
    {
        lastSize--;
    }
    */

    

    

    /*
     * (non-Javadoc)
     * 
     * @see javax.microedition.lcdui.CommandListener#commandAction(javax.microedition.lcdui.Command,
     *      javax.microedition.lcdui.Displayable)
     */
    public void commandAction(Command arg0, Displayable arg1)
    {
        // TODO Auto-generated method stub
        if (arg0 == backCommand)
        {
            uicontroller
                    .handleEvent(UIController.EventID.EVENT_LISTPHONE_BACK_MAINUI);

        } else if (arg0 == deleCommand)
        {
            if(size()==0)
            {
                uicontroller.showAlert("无效操作!",this,AlertType.WARNING);
                return;
            }
            String record = getString(getSelectedIndex());
            int index = getSelectedIndex();
            uicontroller.handleEvent(UIController.EventID.EVENT_DELETE_RECORD,
                    new Object[] { record, new Integer(index) });
        } else if (arg0 == infoCommand)
        {
            if(size()==0)
            {
                uicontroller.showAlert("无效操作!",this,AlertType.WARNING);
                return;
            }
            String record = getString(getSelectedIndex());
            uicontroller.handleEvent(
                    UIController.EventID.EVENT_DISPLAY_INFOMATION,
                    new Object[] { record });
        }

    }

}