// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source:// /cvs/distapps/openmap/src/openmap/com/bbn/openmap/tools/roads/Waypoint.java,v// $// $RCSfile: Waypoint.java,v $// $Revision: 1.1.2.3 $// $Date: 2005/08/12 21:47:05 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.tools.roads;import java.awt.Color;import java.awt.Point;import java.io.Serializable;import java.util.logging.Logger;import com.bbn.openmap.LatLonPoint;import com.bbn.openmap.omGraphics.OMGraphicList;import com.bbn.openmap.omGraphics.OMRect;public abstract class Waypoint extends Visual implements Serializable {    /**     * The location of this waypoint.     */    protected LatLonPoint location;    protected Point screenLocation = null;    /**     * True if this waypoint has modified since it was created or     * written.     */    private boolean modified = false;    /**     * create a Waypoint at a given location.     *      * @param loc the location of the Waypoint     */    public Waypoint(LatLonPoint loc, RoadLayer layer) {        location = loc;        this.layer = layer;    }    public static Class getGraphicClass() {        return Graphic.class;    }    /**     * Set the modified flag     */    public void setModified(boolean newValue) {        modified = newValue;    }    /**     * Get the state of the modified flag.     */    public boolean getModified() {        return modified;    }    /**     * Get the location of this Waypoint.     *      * @return the location of this Waypoint.     */    public LatLonPoint getLocation() {        return location;    }    /**     * Set the location of this Waypoint.     *      * @param loc the new location.     */    public void setLocation(LatLonPoint loc) {        location = loc;        update();    }    public Point getScreenLocation() {        if (screenLocation == null)            screenLocation = getRoadLayer().getProjection().forward(location);        return screenLocation;    }    public void setScreenLocation(Point loc) {        setLocation(getRoadLayer().getProjection().inverse(loc.x, loc.y));    }    public void update() {        super.update();        screenLocation = null;    }    //     /**    //      * Get the OMGraphic for this Waypoint.    //      * @return the visual OMGraphic. Create it if necessary    //      */    //     public OMGraphic getOMGraphic(Projection p) {    // 	if (visual == null) {    // 	    OMGraphicList gl = new OMGraphicList(1);    // 	    render(gl, p, true);    // 	}    // 	return visual;    //     }    /**     * Get the RoadLayer of which this is a part.     *      * @return the RoadLayer.     */    public RoadLayer getRoadLayer() {        return layer;    }    /**     * Move this Intersection a distance on the screen.     */    public void moveTo(Point loc) {        setScreenLocation(loc);    }    public float getLatitude() {        return getLocation().getLatitude();    }    public float getLongitude() {        return getLocation().getLongitude();    }    /**     * Add the visual representation of this Waypoint to the graphics     * list. Our visual representation is just a rectangle with radius     * 2.     */    public abstract void render(OMGraphicList gl, boolean projectionIsNew);    public abstract class Graphic extends OMRect implements RoadGraphic {        Logger logger = Logger.getLogger(this.getClass().getName());        private boolean blinkState = false;        protected Graphic(int radius) {            super(Waypoint.this.getLocation().getLatitude(),                  Waypoint.this.getLocation().getLongitude(),                  -radius,                  -radius,                  radius,                  radius);            setLinePaint(Color.black);        }        public void blink(boolean newState) {            blinkState = newState;        }        public void render(java.awt.Graphics g) {            if (!blinkState)                super.render(g);        }        public abstract RoadObject getRoadObject();    }    public String toString() {        return "Waypoint : location " + location;    }}