graticulelayer.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

        }
        properties.put(prefix + OneDegreeColorProperty, colorString);

        if (belowOneDegreeColor == null) {
            colorString = defaultBelowOneDegreeColorString;
        } else {
            colorString = Integer.toHexString(belowOneDegreeColor.getRGB());
        }
        properties.put(prefix + BelowOneDegreeColorProperty, colorString);

        if (equatorColor == null) {
            colorString = defaultEquatorColorString;
        } else {
            colorString = Integer.toHexString(equatorColor.getRGB());
        }
        properties.put(prefix + EquatorColorProperty, colorString);

        if (dateLineColor == null) {
            colorString = defaultDateLineColorString;
        } else {
            colorString = Integer.toHexString(dateLineColor.getRGB());
        }
        properties.put(prefix + DateLineColorProperty, colorString);

        if (specialLineColor == null) {
            colorString = defaultSpecialLineColorString;
        } else {
            colorString = Integer.toHexString(specialLineColor.getRGB());
        }
        properties.put(prefix + SpecialLineColorProperty, colorString);

        if (textColor == null) {
            colorString = defaultTextColorString;
        } else {
            colorString = Integer.toHexString(textColor.getRGB());
        }
        properties.put(prefix + TextColorProperty, colorString);

        properties.put(prefix + ThresholdProperty, Integer.toString(threshold));
        properties.put(prefix + FontSizeProperty, Integer.toString(fontSize)); //DNA

        properties.put(prefix + ShowOneAndFiveProperty,
                new Boolean(showOneAndFiveLines).toString());

        properties.put(prefix + ShowBelowOneProperty,
                new Boolean(showBelowOneLines).toString());

        properties.put(prefix + ShowRulerProperty,
                new Boolean(showRuler).toString());

        return properties;
    }

    /**
     * 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 getPropertyInfo(Properties properties) {
        properties = super.getPropertyInfo(properties);
        String interString;
        properties.put(initPropertiesProperty, TenDegreeColorProperty + " "
                + FiveDegreeColorProperty + " " + OneDegreeColorProperty + " "
                + /*BelowOneDegreeColorProperty + " " + */ EquatorColorProperty
                + " " + DateLineColorProperty + " " + SpecialLineColorProperty
                + " " + ShowOneAndFiveProperty /* + " " + ShowBelowOneProperty */
                + " " + ShowRulerProperty + " " + ThresholdProperty + " "
                + FontSizeProperty);

        interString = i18n.get(GraticuleLayer.class,
                TenDegreeColorProperty,
                I18n.TOOLTIP,
                "Color of the ten degree graticule lines.");
        properties.put(TenDegreeColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                TenDegreeColorProperty,
                "Ten Degree Color");
        properties.put(TenDegreeColorProperty + LabelEditorProperty,
                interString);
        properties.put(TenDegreeColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                FiveDegreeColorProperty,
                I18n.TOOLTIP,
                "Color of the five degree graticule lines.");
        properties.put(FiveDegreeColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                FiveDegreeColorProperty,
                "Color of the five degree graticule lines.");
        interString = i18n.get(GraticuleLayer.class,
                FiveDegreeColorProperty,
                "File Degree Color");
        properties.put(FiveDegreeColorProperty + LabelEditorProperty,
                interString);
        properties.put(FiveDegreeColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                OneDegreeColorProperty,
                I18n.TOOLTIP,
                "Color of the one degree graticule lines.");
        properties.put(OneDegreeColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                OneDegreeColorProperty,
                "1 Degree Color");
        properties.put(OneDegreeColorProperty + LabelEditorProperty,
                interString);
        properties.put(OneDegreeColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                BelowOneDegreeColorProperty,
                I18n.TOOLTIP,
                "Color of the sub-one degree graticule lines.");
        properties.put(BelowOneDegreeColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                BelowOneDegreeColorProperty,
                "Sub-One Degree Color");
        properties.put(BelowOneDegreeColorProperty + LabelEditorProperty,
                interString);
        properties.put(BelowOneDegreeColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                EquatorColorProperty,
                I18n.TOOLTIP,
                "Color of the Equator.");
        properties.put(EquatorColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                EquatorColorProperty,
                "Equator Line Color");
        properties.put(EquatorColorProperty + LabelEditorProperty, interString);
        properties.put(EquatorColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                DateLineColorProperty,
                I18n.TOOLTIP,
                "Color of the Date line.");
        properties.put(DateLineColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                DateLineColorProperty,
                "Date Line Color");
        properties.put(DateLineColorProperty + LabelEditorProperty, interString);
        properties.put(DateLineColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                SpecialLineColorProperty,
                I18n.TOOLTIP,
                "Color of Tropic of Cancer, Capricorn lines.");
        properties.put(SpecialLineColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                SpecialLineColorProperty,
                "Special Line Color");
        properties.put(SpecialLineColorProperty + LabelEditorProperty,
                interString);
        properties.put(SpecialLineColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                TextColorProperty,
                I18n.TOOLTIP,
                "Color of the line label text.");
        properties.put(TextColorProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                TextColorProperty,
                "Text Color");
        properties.put(TextColorProperty + LabelEditorProperty, interString);
        properties.put(TextColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                ThresholdProperty,
                I18n.TOOLTIP,
                "The number of lines showing before finer grain lines appear.");
        properties.put(ThresholdProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                ThresholdProperty,
                "Line Threshold");
        properties.put(ThresholdProperty + LabelEditorProperty, interString);

        interString = i18n.get(GraticuleLayer.class,
                ShowOneAndFiveProperty,
                I18n.TOOLTIP,
                "Show the one and five degree lines.");
        properties.put(ShowOneAndFiveProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                ShowOneAndFiveProperty,
                "Show 1 and 5 Lines");
        properties.put(ShowOneAndFiveProperty + LabelEditorProperty,
                interString);
        properties.put(ShowOneAndFiveProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.TrueFalsePropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                ShowBelowOneProperty,
                I18n.TOOLTIP,
                "Show the one and five degree lines.");
        properties.put(ShowBelowOneProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                ShowBelowOneProperty,
                "Show Sub-1 Lines");
        properties.put(ShowBelowOneProperty + LabelEditorProperty, interString);
        properties.put(ShowBelowOneProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.TrueFalsePropertyEditor");

        interString = i18n.get(GraticuleLayer.class,
                ShowRulerProperty,
                I18n.TOOLTIP,
                "Show the line label text.");
        properties.put(ShowRulerProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                ShowRulerProperty,
                "Show Labels");
        properties.put(ShowRulerProperty + LabelEditorProperty, interString);
        properties.put(ShowRulerProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.TrueFalsePropertyEditor");

        //DNA
        interString = i18n.get(GraticuleLayer.class,
                FontSizeProperty,
                I18n.TOOLTIP,
                "The size of the font, in points, of the line labels.");
        properties.put(FontSizeProperty, interString);
        interString = i18n.get(GraticuleLayer.class,
                FontSizeProperty,
                "Label Font Size");
        properties.put(FontSizeProperty + LabelEditorProperty, interString);
        //DNA
        return properties;
    }

    /**
     * Implementing the ProjectionPainter interface.
     */
    public synchronized void renderDataForProjection(Projection proj,
                                                     java.awt.Graphics g) {
        if (proj == null) {
            Debug.error("GraticuleLayer.renderDataForProjection: null projection!");
            return;
        } else if (!proj.equals(getProjection())) {
            setProjection(proj.makeClone());
            // Figure out which line type to use
            if (proj instanceof Cylindrical)
                boxy = true;
            else
                boxy = false;

            setList(constructGraticuleLines());
        }
        paint(g);
    }

    /**
     * Invoked when the projection has changed or this Layer has been
     * added to the MapBean.
     * <p>
     * Perform some extra checks to see if reprojection of the
     * graphics is really necessary.
     * 
     * @param e ProjectionEvent
     *  
     */
    public void projectionChanged(ProjectionEvent e) {

        // extract the projection and check to see if it's really
        // different.
        // if it isn't then we don't need to do all the work again,
        // just
        // repaint.
        Projection proj = setProjection(e);
        if (proj == null) {
            repaint();
            return;
        }

        // Figure out which line type to use
        if (proj instanceof Cylindrical)
            boxy = true;
        else
            boxy = false;

        setList(null);
        doPrepare();
    }

    /**
     * Creates the OMGraphic list with graticule lines.
     */
    public synchronized OMGraphicList prepare() {
        return constructGraticuleLines();
    }

    /**
     * Create the graticule lines.
     * <p>
     * NOTES:
     * <ul>
     * <li>Currently graticule lines are hardcoded to 10 degree
     * intervals.
     * <li>No thought has been given to clipping based on the view
     * rectangle. For non-boxy projections performance may be degraded
     * at very large scales. (But we make up for this by running the
     * task in its own thread to support liveness).
     * </ul>
     * 
     * @return OMGraphicList new graphic list
     */
    protected OMGraphicList constructGraticuleLines() {

        OMGraphicList newgraphics = new OMGraphicList(20);
        // Lets figure out which lines should be painted...
        Projection projection = getProjection();

        if (projection == null) {
            return newgraphics;
        }