/*
 * Copyright 1999,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Created on 2007-1-26
 *
 */
package peaklau.eaglefund;

import java.util.Calendar;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;
/**
 * BaseCanvas class<br>
 *  The subclasses of this class should overwrite paint() method .<br>
 *  If the subclasses want to refresh the data, they should overwrite the execute() method. <br> 
 * @author peaklau <br>
 *         email:<A HREF="mailto:peaklau@hotmail.com">peaklau@hotmail.com</A> <br>
 *         <a href="http://www.peaklau.com/fund/english/">HomePage</a> 
 * @version $Revision: 1.2 $ $Date: 2007/10/21 14:26:23 $
 */

public class BaseCanvas extends Canvas implements Runnable{
	public final static String host="www.peaklau.com";
    protected INavigator navigator;
    public BaseCanvas(INavigator navigator){
        this.navigator=navigator;
    }
    protected void refresh(){
        if(!running){
            new Thread(this).start();
        }
    }
    private boolean running=false;
    public void run(){
        execute();
        running=false;
    }
    /**
     * Subclasses can overwrite this method to get refresh some data.
     *
     */
    protected void execute(){        
    }    
    protected void paint(Graphics g) {
    }
    public String getCurrentTime(){
        Calendar calendar=Calendar.getInstance();
        int year=calendar.get(Calendar.YEAR);
        int month=calendar.get(Calendar.MONTH);
        int day=calendar.get(Calendar.DAY_OF_MONTH);
        int hour=calendar.get(Calendar.HOUR_OF_DAY);
        int min=calendar.get(Calendar.MINUTE);        
        //year+"/"+(month+1)+"/"+day+" "+(hour<10?("0"+hour):(""+hour))+":"+(min<10?("0"+min):(""+min)));
        return (hour<10?("0"+hour):(""+hour))+":"+(min<10?("0"+min):(""+min));        
    }
    
    protected void keyPressed(int keyCode) {
        navigator.keyPressed(keyCode);
    }

}