searchphoneui.java

这是我们学校教的j2me程序开发实例从入门到精通自带关盘的源代码

/*
 * 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.*;

/**
 * @author P2800
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class SearchPhoneUI extends Form implements CommandListener,ItemStateListener
{
    private UIController uicontroller;
    private TextField inputField;
    public static final Command backCommand = new Command("返回",Command.BACK,2);
    public static final Command searchCommand = new Command("搜索",Command.OK,1);
    public SearchPhoneUI(UIController uicontroller)
    {
        super(Title.search);
        this.uicontroller = uicontroller;
        inputField = new TextField(Title.name, null, 20,
                TextField.ANY);
        this.append(inputField);
        this.addCommand(backCommand);
        this.addCommand(searchCommand);
        this.setCommandListener(this);
        this.setItemStateListener(this);
        
    }
    
    public void init()
    {
        inputField.setString("");
    }

    /*
     * (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_SEARCHUI_BACK_MAINNUI);	
        }
        else if(arg0 == searchCommand)
        {
            String userName = inputField.getString();
            if(userName.length()!= 0)
            {
                uicontroller.handleEvent(UIController.EventID.EVENT_SEARCH_RECORD_ANYWAY,new Object[]{userName});
            }
        }

    }
    public void itemStateChanged(Item item)
    {
        if(item == inputField)
        {
            String userName = inputField.getString();
            if(userName.length()!= 0)
            {
                uicontroller.handleEvent(UIController.EventID.EVENT_SEARCH_RECORD,new Object[]{userName});
            }
        }
    }

}