// **********************************************************************//// <copyright>//// BBN Technologies, a Verizon Company// 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/GraticuleLayer.java,v $// $RCSfile: GraticuleLayer.java,v $// $Revision: 1.7.2.6 $// $Date: 2005/08/09 18:10:43 $// $Author: dietrick $//// **********************************************************************// Modified 28 September 2002 by David N. Allsopp to allow font size// to be changed. See sections commented with 'DNA'.package com.bbn.openmap.layer;import java.awt.Color;import java.awt.Font;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Properties;import javax.swing.Box;import javax.swing.JButton;import javax.swing.JCheckBox;import javax.swing.JPanel;import com.bbn.openmap.Environment;import com.bbn.openmap.I18n;import com.bbn.openmap.LatLonPoint;import com.bbn.openmap.MoreMath;import com.bbn.openmap.event.ProjectionEvent;import com.bbn.openmap.omGraphics.OMGraphic;import com.bbn.openmap.omGraphics.OMGraphicList;import com.bbn.openmap.omGraphics.OMPoly;import com.bbn.openmap.omGraphics.OMText;import com.bbn.openmap.proj.Cylindrical;import com.bbn.openmap.proj.Projection;import com.bbn.openmap.util.Debug;import com.bbn.openmap.util.PaletteHelper;import com.bbn.openmap.util.PropUtils;/** * Layer that draws graticule lines. If the showRuler property is set * to true, then longitude values are displayed on the bottom of the * map, and latitude values are displayed on the left side. If the * show1And5Lines property is true, then 5 degree lines are drawn when * there are &lt;= threshold ten degree latitude or longitude lines, * and 1 degree lines are drawn when there are &lt;= threshold five * degree latitude or longitude degree lines. *  * <P> * The openmap.properties file can control the layer with the * following settings: <code><pre> *  *   *   # Show lat / lon spacing labels *   graticule.showRuler=true *   graticule.show1And5Lines=true *   # Controls when the five degree lines and one degree lines kick in *   #- when there is less than the threshold of ten degree lat or lon *   #lines, five degree lines are drawn. The same relationship is there *   #for one to five degree lines. *   graticule.threshold=2 *   # the color of 10 degree spacing lines (Hex ARGB) *   graticule.10DegreeColor=FF000000 *   # the color of 5 degree spacing lines (Hex ARGB) *   graticule.5DegreeColor=C7009900 *   # the color of 1 degree spacing lines (Hex ARGB) *   graticule.1DegreeColor=C7003300 *   # the color of the equator (Hex ARGB) *   graticule.equatorColor=FFFF0000 *   # the color of the international dateline (Hex ARGB) *   graticule.datelineColor=7F000099 *   # the color of the special lines (Hex ARGB) *   graticule.specialLineColor=FF000000 *   # the color of the labels (Hex ARGB) *   graticule.textColor=FF000000 *    *   * </pre></code> In addition, you can get this layer to work with the * OpenMap viewer by editing your openmap.properties file: <code><pre> *  *   *   # layers *   openmap.layers=graticule ... *   # class *   graticule.class=com.bbn.openmap.layer.GraticuleLayer *   # name *   graticule.prettyName=Graticule *    *   * </pre></code> *   */public class GraticuleLayer extends OMGraphicHandlerLayer implements        ActionListener {    protected I18n i18n = Environment.getI18n();    // default to not showing the ruler (mimicing older    // GraticuleLayer)    protected boolean defaultShowRuler = true;    protected boolean defaultShowOneAndFiveLines = true;    protected boolean defaultShowBelowOneLines = false;    protected int defaultThreshold = 2;    /**     * Flag for lineType - true is LINETYPE_STRAIGHT, false is     * LINETYPE_GREATCIRCLE.     */    protected boolean boxy = true;    /**     * Threshold is the total number of ten lines on the screen before     * the five lines appear, and the total number of five lines on     * the screen before the one lines appear.     */    protected int threshold = defaultThreshold;    /** The ten degree latitude and longitude lines, premade. */    protected OMGraphicList tenDegreeLines = null;    /** The equator, dateline and meridian lines, premade. */    protected OMGraphicList markerLines = null;    private final static int SHOW_TENS = 0;    private final static int SHOW_FIVES = 1;    private final static int SHOW_ONES = 2;    protected boolean showOneAndFiveLines = defaultShowOneAndFiveLines;    protected boolean showBelowOneLines = defaultShowBelowOneLines;    protected boolean showRuler = defaultShowRuler;    // protected Font font = new Font("Helvetica",    // java.awt.Font.PLAIN, 10);    protected Font font = null;    protected int fontSize = 10;    // Color variables for different line types    protected Color tenDegreeColor = null;    protected Color fiveDegreeColor = null;    protected Color oneDegreeColor = null;    protected Color belowOneDegreeColor = null;    protected Color equatorColor = null;    protected Color dateLineColor = null;    protected Color specialLineColor = null; // Tropic of Cancer,    // Capricorn    protected Color textColor = null;    // Default colors to use, if not specified in the properties.    protected String defaultTenDegreeColorString = "000000";    protected String defaultFiveDegreeColorString = "33009900";    protected String defaultOneDegreeColorString = "33003300";    protected String defaultBelowOneDegreeColorString = "9900ff00";    protected String defaultEquatorColorString = "990000";    protected String defaultDateLineColorString = "000099";    protected String defaultSpecialLineColorString = "000000";    protected String defaultTextColorString = "000000";    // property text values    public static final String TenDegreeColorProperty = "10DegreeColor";    public static final String FiveDegreeColorProperty = "5DegreeColor";    public static final String OneDegreeColorProperty = "1DegreeColor";    public static final String BelowOneDegreeColorProperty = "Below1DegreeColor";    public static final String EquatorColorProperty = "equatorColor";    public static final String DateLineColorProperty = "datelineColor";    public static final String SpecialLineColorProperty = "specialLineColor";    public static final String TextColorProperty = "textColor";    public static final String ThresholdProperty = "threshold";    public static final String ShowRulerProperty = "showRuler";    public static final String ShowOneAndFiveProperty = "show1And5Lines";    public static final String ShowBelowOneProperty = "showBelow1Lines";    public static final String FontSizeProperty = "fontSize"; //DNA    /**     * Construct the GraticuleLayer.     */    public GraticuleLayer() {        // precalculate for boxy        boxy = true;        setName("Graticule");    }    /**     * The properties and prefix are managed and decoded here, for the     * standard uses of the GraticuleLayer.     *      * @param prefix string prefix used in the properties file for     *        this layer.     * @param properties the properties set in the properties file.     */    public void setProperties(String prefix, java.util.Properties properties) {        super.setProperties(prefix, properties);        prefix = PropUtils.getScopedPropertyPrefix(prefix);        tenDegreeColor = PropUtils.parseColorFromProperties(properties, prefix                + TenDegreeColorProperty, defaultTenDegreeColorString);        fiveDegreeColor = PropUtils.parseColorFromProperties(properties, prefix                + FiveDegreeColorProperty, defaultFiveDegreeColorString);        oneDegreeColor = PropUtils.parseColorFromProperties(properties, prefix                + OneDegreeColorProperty, defaultOneDegreeColorString);        belowOneDegreeColor = PropUtils.parseColorFromProperties(properties,                prefix + BelowOneDegreeColorProperty,                defaultBelowOneDegreeColorString);        equatorColor = PropUtils.parseColorFromProperties(properties, prefix                + EquatorColorProperty, defaultEquatorColorString);        dateLineColor = PropUtils.parseColorFromProperties(properties, prefix                + DateLineColorProperty, defaultDateLineColorString);        specialLineColor = PropUtils.parseColorFromProperties(properties,                prefix + SpecialLineColorProperty,                defaultSpecialLineColorString);        textColor = PropUtils.parseColorFromProperties(properties, prefix                + TextColorProperty, defaultTextColorString);        threshold = PropUtils.intFromProperties(properties, prefix                + ThresholdProperty, defaultThreshold);        fontSize = PropUtils.intFromProperties(properties, prefix                + FontSizeProperty, fontSize);        font = new Font("Helvetica", java.awt.Font.PLAIN, fontSize);        setShowOneAndFiveLines(PropUtils.booleanFromProperties(properties,                prefix + ShowOneAndFiveProperty,                defaultShowOneAndFiveLines));        setShowBelowOneLines(PropUtils.booleanFromProperties(properties, prefix                + ShowBelowOneProperty, defaultShowBelowOneLines));        setShowRuler(PropUtils.booleanFromProperties(properties, prefix                + ShowRulerProperty, defaultShowRuler));        // So they will get re-created.        tenDegreeLines = null;        markerLines = null;    }    protected JCheckBox showRulerButton = null;    protected JCheckBox show15Button = null;    protected JCheckBox showBelow1Button = null;    public void setShowOneAndFiveLines(boolean set) {        showOneAndFiveLines = set;        if (show15Button != null) {            show15Button.setSelected(set);        }    }    public void setShowBelowOneLines(boolean set) {        showBelowOneLines = set;        if (showBelow1Button != null) {            showBelow1Button.setSelected(set);        }    }    public boolean getShowOneAndFiveLines() {        return showOneAndFiveLines;    }    public boolean getShowBelowOneLines() {        return showBelowOneLines;    }    public void setShowRuler(boolean set) {        showRuler = set;        if (showRulerButton != null) {            showRulerButton.setSelected(set);        }    }    public boolean getShowRuler() {        return showRuler;    }    /**     * The properties and prefix are managed and decoded here, for the     * standard uses of the GraticuleLayer.     *      * @param properties the properties set in the properties file.     */    public Properties getProperties(Properties properties) {        properties = super.getProperties(properties);        String prefix = PropUtils.getScopedPropertyPrefix(this);        String colorString;        if (tenDegreeColor == null) {            colorString = defaultTenDegreeColorString;        } else {            colorString = Integer.toHexString(tenDegreeColor.getRGB());        }        properties.put(prefix + TenDegreeColorProperty, colorString);        if (fiveDegreeColor == null) {            colorString = defaultFiveDegreeColorString;        } else {            colorString = Integer.toHexString(fiveDegreeColor.getRGB());        }        properties.put(prefix + FiveDegreeColorProperty, colorString);        if (oneDegreeColor == null) {            colorString = defaultOneDegreeColorString;        } else {            colorString = Integer.toHexString(oneDegreeColor.getRGB());