gridview.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?
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 * 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.communication.connections.ConnectionManager;
import com.sun.spot.communication.connections.ConnectionWorker;
import com.sun.spot.communication.connections.RadioConnectionManager;
import com.sun.spot.communication.messages.SpotMessage;
import com.sun.spot.spotworld.SpotWorld;
import com.sun.spot.spotworld.common.LocaleUtil;
import com.sun.spot.spotworld.gui.ISpotWorldViewer;
import com.sun.spot.spotworld.participants.Application;
import com.sun.spot.spotworld.participants.Group;
import com.sun.spot.spotworld.virtualobjects.IVirtualObject;
import com.sun.spot.spotworld.common.ObjectMap;
import com.sun.spot.spotworld.gui.IUIObject;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.Vector;
import javax.swing.JPanel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/**
 * So named because it draws a grid as a background
 * @author arshan
 */
public class GridView extends JPanel implements ChangeListener,MouseListener,MouseMotionListener,ISpotWorldViewer {
    // some spotworld accounting, we might want to collapse all functionality into
    // some single class
    SpotWorld theWorld;
    ObjectMap objectMap;
    WorldGrid grid;
    
    private int centerX, centerY;
    private double zoom, zoomOrig;
    
    /** Creates a new instance of GridView */
    public GridView(SpotWorld world) {
        super();
        theWorld=world;
        zoom = 0.2;
        init();
    }
       /**
     * Initialize GridView.
     */
    private void init() {
        setBackground(Color.WHITE);
        setLayout(null);
        setPreferredSize(new Dimension(800,640));
        
        centerX = 0;
        centerY = 0;
        grid = new WorldGrid(this);
        
        addMouseListener(this);
        
        // setup the mappings of participants to my known classes
        objectMap = new ObjectMap();
        objectMap.addDefault(GVObject.class);
        objectMap.addMap(Application.class, GVApplication.class);
    }
    
    public void msg(String str){
        System.out.println("[GridView] " + str);
    }
    
    public void addVirtualObjectMapping(Class vObj, Class uiObj) { 
        if (uiObj.getPackage().equals(GVObject.class.getPackage())) {
            msg( "Mapping " + vObj + " to " + uiObj);
            objectMap.addMap(vObj, uiObj);
        }
    }
    
    public void addVirtualObject(IVirtualObject obj) {
        obj.msg(LocaleUtil.getString("registering with gridview ..."));
        Class cls = objectMap.findMapping(obj.getClass());
        
        // No support in GridView for groups 
        if (cls == null || obj instanceof Group) {
            obj.warning(LocaleUtil.getString("GridView: no mapping for " + obj));
        } else {
            try {
                // create the instance
                IUIObject uiObj = (IUIObject) (cls.newInstance());
                // register forward and back pointers between the two.
                // NOTE: may want to change this mechanism so that its up to the
                // objects themselves if they want uni/bi directional link or none at all
                obj.addUIObject((IUIObject)uiObj);
                uiObj.setVirtualObject(obj);
                // add it to this viewer
                setInitialPositionInView((GVObject)uiObj);
                if(uiObj instanceof GVObject){
                    ((GVObject)uiObj).addToView(this);
                }
                deselectAll();
                uiObj.select();
            } catch (InstantiationException ex) {
                obj.error(LocaleUtil.getString("messed up instantiation during register process"));
                ex.printStackTrace();
            } catch (IllegalAccessException ex) {
                obj.error(LocaleUtil.getString("illegal access during registration in gridview"));
                ex.printStackTrace();
            }
        }
    }
    
    public void paint(Graphics g){
        paintComponent(g);
        grid.paint(g);
        paintChildren(g);
    }
    
    // Why doesn't this work?
//    public void paintComponent(Graphics g){
//        grid.paint(g);
//        super.paintComponent(g);
//    }
    
    public void stateChanged(ChangeEvent changeEvent) {
    }
    
    public void mouseReleased(MouseEvent mouseEvent) {
    }
    
    public void mousePressed(MouseEvent mouseEvent) {
        deselectAll();
    }
    
    public void mouseMoved(MouseEvent mouseEvent) {
    }
    
    public void mouseExited(MouseEvent mouseEvent) {
    }
    
    public void mouseEntered(MouseEvent mouseEvent) {
    }
    
    public void mouseDragged(MouseEvent mouseEvent) {
    }
    
    ConnectionManager connectionMgr = RadioConnectionManager.getInstance();
    
    ConnectionWorker connectionWkr;
    
    SpotMessage spotMssg = new SpotMessage("LIST_ISOLATES");
    
    public Vector<GVObject> getGridObjects(){
        Vector<GVObject> v = new Vector<GVObject>();
        for(Component c : getComponents()){
            if(c instanceof GVObject) v.add((GVObject) c);
        }
        return v;
    }
    
    public void mouseClicked(MouseEvent mouseEvent) {
        if(mouseEvent.isShiftDown()){ 
            //PLESE LEAVE THIS TEST CODE IN PLACE -- Thanks, Randy.
//            try {
//                System.out.println("Sending message....");
//                Vector[] r = connectionWkr.send(spotMssg);
//                for (int i = 0; i < r.length; i++) {
//                    System.out.println("Reply includes: " + r[i]);
//                }
//            } catch (IOException ex) {
//                ex.printStackTrace();
//            }
        } else {
            //PLESE LEAVE THIS TEST CODE IN PLACE -- Thanks, Randy.
//            System.out.println("[GridView] " + LocaleUtil.getString("Listing components") + ":");
//            Component[] cs = getComponents();
//            for (int i = 0; i < cs.length; i++) {
//                System.out.println(LocaleUtil.getString("Component") + " " + i + " = " + cs[i]);
//            }
        }
    }
    
    public void setInitialPositionInView(GVObject g){
        g.setInitialPositionInView(this);
//        if(g instanceof GVApplication)  {((GVApplication)g).setInitialPositionInView(this); return; }
//        // Comment out to allow class loading, as GVeBasestation is now "unmentionable.""
////        if(g instanceof GVeBasestation) {g.setLocation(20,20); return;}
//        int xInit = (getWidth()  - g.getWidth())/2;
//        int yInit = (getHeight() - g.getHeight())/2;
//        Rectangle r = new Rectangle(xInit, yInit, g.getWidth(), g.getHeight());
//        boolean foundSpace = true;
//        GVObject[] gos = getGridObjects().toArray(new GVObject[0]);
//        Comparator c = new Comparator<GVObject>(){
//            public int compare(GVObject g1, GVObject g2) {
//                if (g1.getY() < g2.getY()) return -1;
//                if (g1.getY() > g2.getY()) return +1;
//                if (g1.getX() < g2.getX()) return -1;
//                if (g1.getX() > g2.getX()) return +1;
//                return 0;
//            }
//        };
//        Arrays.sort(gos,c);
//        for(GVObject gc : gos){
//            if(gc != g){
//                if(gc.getBounds().intersects(r)){
//                    xInit = xInit + g.getWidth() + 20;
//                    if(xInit > getWidth()){
//                        xInit = 20;
//                        yInit = yInit + gc.getHeight() + 20;
//                    }
//                }
//            }
//        } 
//        g.setLocation(xInit, yInit);
    }
    
    
    public Point getPositionInWindow(int worldX, int worldY) {
        int windowWidthHalf = getWidth() / 2;
        int windowHeightHalf = getHeight() / 2;
        
        int windowPositionX = (int)((double)(worldX - centerX) * zoom) + windowWidthHalf;
        int windowPositionY = (int)((double)(worldY - centerY) * zoom) + windowHeightHalf;
        
        return new Point(windowPositionX , windowPositionY);
    }
    
    public void selectOnly(Object obj) {
        deselectAll();
        if(obj instanceof GVObject){
            ((GVObject)obj).select();
        }
    }
    
    public void selectAlso(Object obj) {
    }
    
    public void deselect(Object obj) {
    }
    
    public void deselectAll() {
        for(GVObject g : getGridObjects()){
            g.deselect();
        }
        repaint();
    }
}