// **********************************************************************// // <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/layer/plotLayer/PlotLayer.java,v $// $RCSfile: PlotLayer.java,v $// $Revision: 1.4.2.3 $// $Date: 2005/08/09 21:17:55 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.layer.plotLayer;import java.awt.Color;import java.awt.Component;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseEvent;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.util.Enumeration;import java.util.Properties;import java.util.Vector;import javax.swing.JPanel;import com.bbn.openmap.Environment;import com.bbn.openmap.event.MapMouseListener;import com.bbn.openmap.event.SelectMouseMode;import com.bbn.openmap.layer.OMGraphicHandlerLayer;import com.bbn.openmap.omGraphics.OMGraphic;import com.bbn.openmap.omGraphics.OMGraphicList;import com.bbn.openmap.util.Debug;import com.bbn.openmap.util.PaletteHelper;/** *   */public class PlotLayer extends OMGraphicHandlerLayer implements        MapMouseListener {    private ScatterGraph graph = null;    private boolean show_plot_ = false;    // The currently selected graphic.    private OMGraphic selectedGraphic;    private Vector selectedGraphics = null;    // Where do we get the data from?    // default to use GLOBE atmospheric temperature.    private String datasource = "AT.gst_small.txt";    // "http://globe.ngdc.noaa.gov/sda/student_data/AT.gst.txt";    // "file:/home/gkeith/openmap/openmap/com/bbn/openmap/plotLayer/AT.gst.txt";    // "file:/home/gkeith/openmap/openmap/com/bbn/openmap/plotLayer/AT.gst_thin.txt";    // "file:/home/gkeith/openmap/openmap/com/bbn/openmap/plotLayer/AT.gst_small.txt";    // "http://stout:80/~gkeith/plotlayer/AT.gst_small.txt";    private GLOBETempData temperature_data = null;    // The control palette    private JPanel pal = null;    /**     * X position of the plot rectangle.     */    protected int plotX = 100;    /**     * Y position of the plot rectangle.     */    protected int plotY = 100;    /**     * Width of the plot rectangle.     */    protected int plotWidth = 320;    /**     * Height of the plot rectangle.     */    protected int plotHeight = 200;    /**     * Construct the PlotLayer.     */    public PlotLayer() {        getDataSource();        graph = new ScatterGraph(678, 790, null, temperature_data.overall_min_year_, temperature_data.overall_max_year_, temperature_data.overall_min_temp_, temperature_data.overall_max_temp_);        setList(plotDataSources());    }    public synchronized OMGraphicList prepare() {        graph.resize(plotX, plotY, plotWidth, plotHeight);        return super.prepare();    }    /**     * Search for the data in the directories listing in the     * CLASSPATH. We should also check to see if the datafile is     * specified as a URL so that we can load it as such.     */    private GLOBETempData getDataSource() {        if (temperature_data != null) {            return temperature_data;        }        // load the data from the CLASSPATH        Vector dirs = Environment.getClasspathDirs();        FileInputStream is = null;        int nDirs = dirs.size();        if (nDirs > 0) {            for (int i = 0; i < nDirs; i++) {                String dir = (String) dirs.elementAt(i);                File datafile = new File(dir, datasource);                if (datafile.isFile()) {                    try {                        is = new FileInputStream(datafile);                        //                      System.out.println("datafile="+datafile);                        break;                    } catch (java.io.IOException e) {                        e.printStackTrace();                    }                }            }            if (is == null) {                System.err.println("Unable to load datafile \"" + datasource                        + "\" from CLASSPATH");            }        } else {            System.err.println("No directories in CLASSPATH!");            System.err.println("Unable to load datafile \"" + datasource                    + "\" from CLASSPATH");        }        if (is == null)            return null;        // Parse the data        try {            temperature_data = new GLOBETempData();            temperature_data.loadData(is);        } catch (IOException e) {            System.err.println(e);        }        return temperature_data;    }    /** Put the data points on the map. */    private OMGraphicList plotDataSources() {        Debug.message("basic", "PlotLayer.plotDataSources()");        int num_graphics = 0;        OMGraphicList graphics = new OMGraphicList();        graphics.setTraverseMode(OMGraphicList.LAST_ADDED_ON_TOP);        graphics.clear();        Enumeration site_enum = temperature_data.getAllSites();        while (site_enum.hasMoreElements()) {            GLOBESite site = (GLOBESite) site_enum.nextElement();            //Debug.message("basic", "Plotlayer adds " +            // site.getName());            graphics.addOMGraphic(site.getGraphic());            num_graphics++;        }        Debug.message("basic", "Plotlayer found " + num_graphics                + " distinct sites");        // Find the sites that are visible on the map.        return graphics;    }    /** Build and display the plot. */    private OMGraphic generatePlot() {        //      System.out.println("Generating Plot ");        if (graph != null) {            graph.setDataPoints(selectedGraphics);            graph.plotData();            return graph.getPlotGraphics();        }        return null;    }    private void showPlot() {        show_plot_ = true;        OMGraphic plot = generatePlot();        OMGraphicList list = getList();        if (plot != null) {            //          System.out.println("Making plot visible..");            list.addOMGraphic(plot);        }        // generate the graphics for rendering.        list.generate(getProjection(), false);        repaint();    }    private void hidePlot() {        //      System.out.println("Making plot IN-visible..");        show_plot_ = false;        if (graph != null) {            OMGraphic plot = graph.getPlotGraphics();            OMGraphicList list = getList();            if (list != null && plot != null) {                list.remove(plot);            }        }        repaint();    }    /**     * Add the data from the clicked site to the list of things we are     * drawing.     */    private void addSelectionToPlotList() {        if (selectedGraphic != null) {            // Change the color of the clicked ones            selectedGraphic.setLinePaint(Color.blue);            if (selectedGraphics == null) {                selectedGraphics = new Vector();            }            Object app_obj = selectedGraphic.getAppObject();            if (app_obj instanceof GLOBESite) {                GLOBESite site = (GLOBESite) app_obj;                if (!selectedGraphics.contains(app_obj)) {                    Debug.message("basic", "Adding to plot list...");                    selectedGraphics.addElement(site);                    selectedGraphic.setFillPaint(Color.yellow);                } else {                    Debug.message("basic", "Removing from plot list...");                    selectedGraphics.removeElement(site);                    selectedGraphic.setFillPaint(Color.red);                    selectedGraphic.setLinePaint(Color.red);                }            }        } else {            Debug.message("basic", "Nothing to add to plot list!");        }    }    /**     * Returns self as the <code>MapMouseListener</code> in order to     * receive <code>MapMouseEvent</code>s. If the implementation     * would prefer to delegate <code>MapMouseEvent</code>s, it