gvebasestation.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 com.sun.spot.spotworld.common.LocaleUtil;
import com.sun.spot.spotworld.common.IStateListener;
import com.sun.spot.spotworld.participants.ESpotBasestation;
import java.awt.AlphaComposite;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.net.URL;
import javax.swing.ImageIcon;

/**
 * Represents a basestation in GridView. Currenrtly unused.
 * 
 * @author randy
 */
public class GVeBasestation extends GVeSPOT implements IStateListener {
    
    String imageFilenameNotFound;
    ImageIcon bsFoundIcon;
    ImageIcon bsNotFoundIcon;

    public void init(){
        super.init();
    }
    
    public ESpotBasestation getBasestation(){
        return (ESpotBasestation) getVirtualObject();
    }
    
    public void setImageFilenames(){
        imageFilename         = "images/eBasestationV2.png";
        imageMaskFilename     = "images/eBasestationV2-MASK.gif";
        imageFilenameNotFound = "images/eBasestationNotFoundV2.png";
    }
    
    public void createIcons(){
        URL url = null;
        URL urlNotFound = null;
        URL urlMask = null;
        try {
            url         = getClass().getResource(imageFilename);
            urlNotFound = getClass().getResource(imageFilenameNotFound);
            urlMask     = getClass().getResource(imageMaskFilename);
            
            bsFoundIcon    = new ImageIcon(url, LocaleUtil.getString("an eSPOT Icon"));
            bsNotFoundIcon = new ImageIcon(urlNotFound, LocaleUtil.getString("an eSPOT Icon"));
            iconMask       = new ImageIcon(urlMask, LocaleUtil.getString("an eSPOT Icon Mask"));
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        icon = bsNotFoundIcon;
    }
    
    /*
     * Called by an ESpotBasestation when a change in its state happens.
     */
    public void noteState(Object obj) {
        ESpotBasestation bs = getBasestation();
        // We expect this call is from our own proxy.
        if(obj != bs) return;
        if(bs.isBasestationConnected()){
            icon = bsFoundIcon;
        } else {
            icon = bsNotFoundIcon;
        }
        repaint();
    }
    
    public void paintComponentNoShadow(Graphics2D g2){
        
        if(icon == bsNotFoundIcon) {
            Composite c =  g2.getComposite();
            if(c instanceof AlphaComposite) {
                AlphaComposite ca = (AlphaComposite)c;
                AlphaComposite a = AlphaComposite.getInstance(ca.getRule(), 0.7f);
                g2.setComposite(a);
            }
        }
        super.paintComponentNoShadow(g2);
    }
    
    public void paintComponentWithShadow(Graphics2D g2){
        
        if(icon == bsNotFoundIcon) {
            Composite c =  g2.getComposite();
            if(c instanceof AlphaComposite) {
                AlphaComposite ca = (AlphaComposite)c;
                AlphaComposite a = AlphaComposite.getInstance(ca.getRule(), 0.7f);
                g2.setComposite(a);
            }
        }
        super.paintComponentWithShadow(g2);
    }
}