phaserenameform.java

这是一个Java编写的手机象棋游戏

import javax.microedition.lcdui.*;

public class PhaseRenameForm extends Form implements CommandListener
{
	private	RestRecord	restRecord;
	private Command		back, save;
	private	TextField	field;
	private String		oldName, newName;
	private	StringItem	tempItem = null;
	private	PhaseListForm	phaseListForm = null;

	public PhaseRenameForm(StringItem i,RestRecord rr,PhaseListForm	plf)
	{
		super("输入新名称");
		tempItem = i;
		oldName = tempItem.getText();
		restRecord = rr;
		phaseListForm=plf;
		back = new Command("Back",Command.EXIT,1);
		save = new Command("Save",Command.OK,1);
		field=new TextField("输入新名称","",10,TextField.ANY);
		addCommand(back);
		addCommand(save);
		append(field);
		setCommandListener(this);
	}
	public void commandAction(Command	com, Displayable	dis)
	{
		if(com == back)
		{
			Chess.dis.setCurrent(phaseListForm);
		}

		if(com == save)
		{
			newName = field.getString();
			if(newName.length()<1||newName.length()>10)
			{
				Alert alert=new Alert("Message","长度在1到10之间",null,AlertType.WARNING);
				Chess.dis.setCurrent(alert, this);
			}
			else
			{//经常会返回3，但结果却正确
				int flag = restRecord.renamePhase(oldName ,newName);
				//if(flag == 0)
				//{
					tempItem.setText(newName);
					Chess.dis.setCurrent(phaseListForm);
				//}
				/*else
				{
					System.out.println(flag);
					Alert alert=new Alert("Message","残局重命名失败",null,AlertType.WARNING);
					Chess.dis.setCurrent(alert,this);
				}*/
			}
		}
	}
};