alertcommand.java

基于j2me的高等代数计算工具

package edu.neu.aatk.command;

import javax.microedition.midlet.MIDletStateChangeException;

import edu.neu.aatk.canvas.AATKCanvas;

public class AlertCommand implements KeyCommand {
	private AATKCanvas c;
	
	public AlertCommand(AATKCanvas c) {
		this.c = c;
	}

    public void keyPressed(int keyCode) {
       	switch(keyCode) {
			case -6: //leftkey
				c.leftKeyClicked = true;
		    	c.repaint();
		    	c.serviceRepaints();
				break;
    		default:
    			System.out.println(keyCode);
    			break;
       	}
    }	
	
    public void keyReleased(int keyCode)
    {
    	switch(keyCode) {
	    	case -6: //exit
				c.leftKeyClicked = false;
		    	c.repaint();
		    	c.serviceRepaints();
		    	c.aatk.display.setCurrent(c);
				break;
    		default:
    			System.out.println(keyCode);
    	}
    }

}