setform.java

J2ME编的手机助手 文件下载解压缩以后,是一个NetBeans的工程文件,如果有NB的朋友,可以直接打开编辑 源文件在src目录下面,可执行文件在dist目录下 功能如下 1

/*
 * SetForm.java
 *
 * Created on 2007年3月11日, 下午4:10
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package net.bccn.account.ui;

import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Choice;
import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.ItemStateListener;
import javax.microedition.lcdui.TextField;
import net.bccn.account.model.MySet;
import net.bccn.account.util.Record;
import net.bccn.account.util.Util;

/**
 *
 * @author hadeslee
 */
public class SetForm extends Form implements CommandListener,ItemStateListener{
    private static SetForm sf;
    private Command back,ok;
    private MySet my;
    private TextField origin,pwd1,pwd2;
    private ChoiceGroup select;
    /** Creates a new instance of SetForm */
    private SetForm() {
        super("设置");
        initWindow();
    }
    private void initWindow(){
        Record[] rds=Util.getAllRecords(new MySet());
        if(rds!=null&&rds.length>0){
            my=(MySet)rds[0];
        }
        back=new Command("返回",Command.BACK,0);
        ok=new Command("确定",Command.OK,1);
        this.addCommand(back);
        this.addCommand(ok);
        this.setCommandListener(this);
        this.setItemStateListener(this);
        origin=new TextField("请输入密码",null,8,TextField.PASSWORD);
        pwd1=new TextField("新密码",null,8,TextField.PASSWORD);
        pwd2=new TextField("确认密码",null,8,TextField.PASSWORD);
        select=new ChoiceGroup("请选择",Choice.EXCLUSIVE,
                new String[]{"更改密码","取消密码","起用密码"},null);
        this.append(select);
        if(my!=null){
            this.append(origin);
        }
        this.append(pwd1);
        this.append(pwd2);
    }
    public static SetForm getInstance(){
        if(sf==null){
            sf=new SetForm();
        }
        return sf;
    }
    
    public void commandAction(Command command, Displayable displayable) {
        if(command==ok){
            int index=select.getSelectedIndex();
            if(index==0){
                if(my==null){
                    String p1=pwd1.getString();
                    String p2=pwd2.getString();
                    if(p1!=null&&p2!=null&&p1.equals(p2)){
                        my=new MySet();
                        my.setPwd(p1);
                        my.setIsPwd(true);
                        boolean b=Util.saveRecord(my);
                        if(b){
                            Util.showINFO(AlertType.INFO,"密码修改成功!!",MainForm.getInstance());
                            pwd1.setString(null);
                            pwd2.setString(null);
                            origin.setString(null);
                        }else{
                            Util.showINFO(AlertType.ERROR,"密码修改失败!!");
                        }
                    }else{
                        Util.showINFO(AlertType.ERROR,"两次密码输入不一致!!");
                        Util.moveTo(pwd1);
                    }
                }else{
                    String or=origin.getString();
                    if(or==null||!or.equals(my.getPwd())){
                        Util.showINFO(AlertType.ERROR,"原始密码输入有误!");
                        origin.setString(null);
                        Util.moveTo(origin);
                    }else{
                        String p1=pwd1.getString();
                        String p2=pwd2.getString();
                        if(p1!=null&&p2!=null&&p1.equals(p2)){
                            my.setPwd(p1);
                            my.setIsPwd(true);
                            boolean b=Util.updateRecord(my);
                            if(b){
                                Util.showINFO(AlertType.INFO,"密码修改成功!!",MainForm.getInstance());
                                pwd1.setString(null);
                                pwd2.setString(null);
                            }else{
                                Util.showINFO(AlertType.ERROR,"密码修改失败!!");
                            }
                        }else{
                            Util.showINFO(AlertType.ERROR,"两次密码输入不一致!!");
                            Util.moveTo(pwd1);
                        }
                    }
                }
            }else if(index==1){
                if(my==null||!my.getIsPwd()){
                    Util.showINFO(AlertType.INFO,"取消密码保护成功!!",MainForm.getInstance());
                }else{
                    String p=origin.getString();
                    if(p==null||!p.equals(my.getPwd())){
                        Util.showINFO(AlertType.ERROR,"密码输入错误!!");
                        origin.setString(null);
                        Util.moveTo(origin);
                    }else{
                        my.setIsPwd(false);
                        boolean b=Util.updateRecord(my);
                        if(b){
                            Util.showINFO(AlertType.INFO,"取消密码保护成功!!",MainForm.getInstance());
                            origin.setString(null);
                        }else{
                            Util.showINFO(AlertType.ERROR,"取消密码保护失败!!");
                        }
                    }
                }
            }else if(index==2){
                if(my==null){
                    String p1=pwd1.getString();
                    String p2=pwd2.getString();
                    if(p1!=null&&p2!=null&&p1.equals(p2)){
                        my=new MySet();
                        my.setPwd(p1);
                        my.setIsPwd(true);
                        boolean b=Util.saveRecord(my);
                        if(b){
                            Util.showINFO(AlertType.INFO,"启用密码保护成功!",MainForm.getInstance());
                            pwd1.setString(null);
                            pwd2.setString(null);
                        }else{
                            Util.showINFO(AlertType.ERROR,"启用密码保护失败!!");
                        }
                    }else{
                        Util.showINFO(AlertType.ERROR,"两次密码输入不一致!!");
                        pwd1.setString(null);
                        pwd2.setString(null);
                        Util.moveTo(pwd1);
                    }
                }else{
                    my.setIsPwd(true);
                    boolean b=Util.updateRecord(my);
                    if(b){
                        Util.showINFO(AlertType.CONFIRMATION,"启用密码保护成功!!",MainForm.getInstance());
                        pwd1.setString(null);
                        pwd2.setString(null);
                    }else{
                        Util.showINFO(AlertType.CONFIRMATION,"启用密码保护失败!!");
                        pwd1.setString(null);
                        pwd2.setString(null);
                    }
                    
                }
            }
        }else if(command==back){
            Util.changeTo(Util.MAIN_FORM);
        }
    }
    public void itemStateChanged(Item item){
        if(item==select){
            int index=select.getSelectedIndex();
            if(index==0){
                if(my==null){
                    this.deleteAll();
                    this.append(select);
                    this.append(pwd1);
                    this.append(pwd2);
                }else{
                    this.deleteAll();
                    this.append(select);
                    this.append(origin);
                    this.append(pwd1);
                    this.append(pwd2);
                }
            }else if(index==1){
                if(my!=null){
                    this.deleteAll();
                    this.append(select);
                    this.append(origin);
                }else{
                    this.deleteAll();
                    this.append(select);
                }
            }else if(index==2){
                if(my==null){
                    this.deleteAll();
                    this.append(select);
                    this.append(pwd1);
                    this.append(pwd2);
                }
            }
        }
    }
}