chessrenameform.java

这是一个Java编写的手机象棋游戏

import javax.microedition.lcdui.*;

public class ChessRenameForm extends Form implements CommandListener
{
	private	ChessRecord	chessRecord;
	private Command		back, save;
	private	TextField	field;
	private String		oldName, newName;
	private	StringItem	item;
	private	RecordManage	recordManage = null;

	public ChessRenameForm(StringItem	tempItem,ChessRecord rr ,RecordManage	rm)
	{
		super("输入新名称");
		item = tempItem;
		oldName=item.getText();
		chessRecord = rr;
		recordManage = rm;
		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(recordManage);
		}

		if(com == save)
		{
			newName = field.getString();
			if(newName.length()<1||newName.length()>10)
			{
				Alert alert=new Alert("Message","ChessRenameForm#1",null,AlertType.WARNING);
				Chess.dis.setCurrent(alert, this);
				return;
			}
			else
			{
				int flag = chessRecord.renameChessRecord(oldName ,newName);
				if(flag == 0)
				{
					item.setText(newName);
					Chess.dis.setCurrent(recordManage);
				}
				else
				{
					Alert alert=new Alert("Message","ChessRenameForm#2",null,AlertType.WARNING);
					Chess.dis.setCurrent(alert, this);
				}
			}
		}
	}
};