worldgrid.java

无线传感器网络节点Sun SPOT管理工具

/*
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved. 
 * 
 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
 * described in this document. In particular, and without limitation, these intellectual property rights may
 * include one or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents
 * or pending patent applications in the U.S. and in other countries.
 * 
 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc.
 * standard license agreement and applicable provisions of the FAR and its supplements.
 * 
 * Use is subject to license terms. 
 * 
 * This distribution may include materials developed by third parties. Sun, Sun Microsystems, the Sun logo and
 * Java are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. 
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc. Tous droits r?serv?s.
 * 
 * Sun Microsystems, Inc. d?tient les droits de propri?t? intellectuels relatifs ? la technologie incorpor?e dans
 * le produit qui est d?crit dans ce document. En particulier, et ce sans limitation, ces droits de propri?t?
 * intellectuelle peuvent inclure un ou plus des brevets am?ricains list?s ? l'adresse http://www.sun.com/patents
 * et un ou les brevets suppl?mentaires ou les applications de brevet en attente aux Etats - Unis et dans les
 * autres pays.
 * 
 * L'utilisation est soumise aux termes du contrat de licence.
 * 
 * Cette distribution peut comprendre des composants d?velopp?s par des tierces parties.
 * Sun, Sun Microsystems, le logo Sun et Java sont des marques de fabrique ou des marques d?pos?es de Sun
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */

package com.sun.spot.spotworld.gridview;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JComponent;

/*
 * Used to draw a Grid in the World interface
 */
public class WorldGrid extends JComponent
{
    GridView world;
    int lineIntervals;
    public WorldGrid(GridView world) 
    {
        this.world = world;
        lineIntervals = 100;
    }
    
    public void paint(Graphics g) {
//        super.paint(g);
        Graphics2D g2 = (Graphics2D)g;
        
        g2.setStroke(new BasicStroke(1.0f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL));
        
        
        
        
        g2.setColor(Color.LIGHT_GRAY);
        
        int worldPos = lineIntervals;
        for (int i = world.getPositionInWindow(worldPos,0).x; i <= world.getWidth(); worldPos += lineIntervals) {
            g2.drawLine(i,0, i, world.getHeight());
            i = world.getPositionInWindow(worldPos,0).x;
        }
        
        worldPos = -lineIntervals;
        for (int i = world.getPositionInWindow(-worldPos,0).x; i >= 0; worldPos -= lineIntervals) {
            g2.drawLine(i,0, i, world.getHeight());
            i = world.getPositionInWindow(worldPos,0).x;
        }
        
        worldPos = lineIntervals;
        for (int i = world.getPositionInWindow(0,worldPos).y; i <= world.getHeight(); worldPos += lineIntervals) {
            g2.drawLine(0, i, world.getWidth(), i);
            i = world.getPositionInWindow(0,worldPos).y;
        }
        
        worldPos = -lineIntervals;
        for (int i = world.getPositionInWindow(0,-worldPos).y; i >= 0; worldPos -= lineIntervals) {
            g2.drawLine(0, i, world.getWidth(), i);
            i = world.getPositionInWindow(0,worldPos).y;
        }
        
        g2.setColor(Color.GRAY);
        //draw origin
        g2.drawLine(world.getPositionInWindow(0,0).x,0,
                world.getPositionInWindow(0,0).x, world.getHeight());
        g2.drawLine(0, world.getPositionInWindow(0,0).y,
                world.getWidth(), world.getPositionInWindow(0,0).y);
        
    }
}