utmgridplugin.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.

        c.gridy = 1;
        gridbag.setConstraints(set100kGridButton, c);
        panel.add(set100kGridButton);

        JCheckBox setLabelsButton = new JCheckBox(i18n.get(UTMGridPlugIn.class,
                "setLabelsButton",
                "Show Zone Labels"), showLabels);
        setLabelsButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                JCheckBox button = (JCheckBox) ae.getSource();
                showLabels = button.isSelected();
                doPrepare();
            }
        });
        c.gridy = 2;
        gridbag.setConstraints(setLabelsButton, c);
        panel.add(setLabelsButton);

        JPanel resPanel = PaletteHelper.createPaletteJPanel(i18n.get(UTMGridPlugIn.class,
                "resPanel",
                "Distance Grid Units"));

        String[] resStrings = {
                i18n.get(UTMGridPlugIn.class, "resStrings.noGrid", " No Grid "),
                i18n.get(UTMGridPlugIn.class,
                        "resStrings.10000m",
                        " 10,000 meter   "),
                i18n.get(UTMGridPlugIn.class,
                        "resStrings.1000m",
                        " 1000 meter "),
                i18n.get(UTMGridPlugIn.class, "resStrings.100m", " 100 meter "),
                i18n.get(UTMGridPlugIn.class, "resStrings.10m", " 10 meter "),
                i18n.get(UTMGridPlugIn.class, "resStrings.1m", " 1 meter ") };

        JComboBox resList = new JComboBox(resStrings);
        resList.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JComboBox jcb = (JComboBox) e.getSource();
                setDistanceGridResolution(jcb.getSelectedIndex());
                doPrepare();
            }
        });
        resList.setSelectedIndex(getDistanceGridResolution());

        resPanel.add(resList);

        c.gridy = 3;
        c.anchor = GridBagConstraints.CENTER;
        gridbag.setConstraints(resPanel, c);
        panel.add(resPanel);

        JButton utmGridColorButton = new JButton(i18n.get(UTMGridPlugIn.class,
                "utmGridColorButton",
                "Set UTM Grid Color"));
        utmGridColorButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                Color tmpPaint = getNewPaint((Component) ae.getSource(),
                        i18n.get(UTMGridPlugIn.class,
                                "utmGridColorChooser",
                                "Choose UTM Grid Color"),
                        (Color) getUTMGridPaint());
                if (tmpPaint != null) {
                    setUTMGridPaint(tmpPaint);
                    doPrepare();
                }
            }
        });

        c.gridy = 4;
        gridbag.setConstraints(utmGridColorButton, c);
        panel.add(utmGridColorButton);

        JButton distGridColorButton = new JButton(i18n.get(UTMGridPlugIn.class,
                "distGridColorButton",
                "Set Distance Grid Color"));
        distGridColorButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                Color tmpPaint = getNewPaint((Component) ae.getSource(),
                        i18n.get(UTMGridPlugIn.class,
                                "distanceGridColorChooser",
                                "Choose Distance Grid Color"),
                        (Color) getDistanceGridPaint());
                if (tmpPaint != null) {
                    setDistanceGridPaint(tmpPaint);
                    doPrepare();
                }
            }
        });

        c.gridy = 5;
        gridbag.setConstraints(distGridColorButton, c);
        panel.add(distGridColorButton);

        return panel;
    }

    /**
     * A convenience method to get a color from a JColorChooser. Null
     * will be returned if the JColorChooser lock is in place, or if
     * something else is done where the JColorChooser would normally
     * return null.
     * 
     * @param source the source component for the JColorChooser.
     * @param title the String to label the JColorChooser window.
     * @param startingColor the color to give to the JColorChooser to
     *        start with. Returned if the cancel button is pressed.
     * @return Color chosen from the JColorChooser, null if lock for
     *         chooser can't be sequired.
     */
    protected Color getNewPaint(Component source, String title,
                                Color startingColor) {
        Color newPaint = null;
        if (getLock()) {
            newPaint = OMColorChooser.showDialog(source, title, startingColor);
            releaseLock();
        }
        return newPaint;
    }

    /**
     * A lock to use to limit the number of JColorChoosers that can
     * pop up for a given DrawingAttributes GUI.
     */
    private boolean colorChooserLock = false;

    /**
     * Get the lock to use a JColorChooser. Returns true if you got
     * the lock, false if you didn't.
     */
    protected synchronized boolean getLock() {
        if (colorChooserLock == false) {
            colorChooserLock = true;
            return colorChooserLock;
        } else {
            return false;
        }
    }

    /**
     * Release the lock on the JColorChooser.
     */
    protected synchronized void releaseLock() {
        colorChooserLock = false;
    }

    public void setProperties(String prefix, Properties props) {
        super.setProperties(prefix, props);
        prefix = PropUtils.getScopedPropertyPrefix(prefix);

        showLabels = PropUtils.booleanFromProperties(props, prefix
                + ShowLabelsProperty, showLabels);
        showZones = PropUtils.booleanFromProperties(props, prefix
                + ShowZonesProperty, showZones);
        show100kGrid = PropUtils.booleanFromProperties(props, prefix
                + Show100kGridProperty, show100kGrid);
        labelCutoffScale = PropUtils.floatFromProperties(props, prefix
                + LabelCutoffScaleProperty, labelCutoffScale);
        utmGridPaint = PropUtils.parseColorFromProperties(props, prefix
                + UTMGridColorProperty, utmGridPaint);
        distanceGridPaint = PropUtils.parseColorFromProperties(props, prefix
                + DistanceGridColorProperty, distanceGridPaint);
        setDistanceGridResolution(PropUtils.intFromProperties(props, prefix
                + DistanceGridResolutionProperty, distanceGridResolution));
    }

    public Properties getProperties(Properties props) {
        props = super.getProperties(props);

        String prefix = PropUtils.getScopedPropertyPrefix(this);
        props.put(prefix + ShowLabelsProperty,
                new Boolean(showLabels).toString());
        props.put(prefix + ShowZonesProperty, new Boolean(showZones).toString());
        props.put(prefix + LabelCutoffScaleProperty,
                Float.toString(labelCutoffScale));
        props.put(prefix + Show100kGridProperty,
                new Boolean(show100kGrid).toString());
        props.put(prefix + UTMGridColorProperty,
                Integer.toHexString(((Color) utmGridPaint).getRGB()));
        props.put(prefix + DistanceGridColorProperty,
                Integer.toHexString(((Color) distanceGridPaint).getRGB()));
        props.put(prefix + DistanceGridResolutionProperty,
                Integer.toString(distanceGridResolution));
        return props;
    }

    public Properties getPropertyInfo(Properties props) {
        props = super.getPropertyInfo(props);
        String interString;

        interString = i18n.get(UTMGridPlugIn.class,
                ShowZonesProperty,
                I18n.TOOLTIP,
                "Show UTM Zone Grid Lines.");
        props.put(ShowZonesProperty, interString);
        interString = i18n.get(UTMGridPlugIn.class,
                ShowZonesProperty,
                ShowZonesProperty);
        props.put(ShowZonesProperty + LabelEditorProperty, interString);
        props.put(ShowZonesProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.YesNoPropertyEditor");

        interString = i18n.get(UTMGridPlugIn.class,
                UTMGridColorProperty,
                I18n.TOOLTIP,
                "Color for UTM Zone Grid lines.");
        props.put(UTMGridColorProperty, interString);
        interString = i18n.get(UTMGridPlugIn.class,
                UTMGridColorProperty,
                UTMGridColorProperty);
        props.put(UTMGridColorProperty + LabelEditorProperty, interString);
        props.put(UTMGridColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(UTMGridPlugIn.class,
                ShowLabelsProperty,
                I18n.TOOLTIP,
                "Show Labels for Grid Lines");
        props.put(ShowLabelsProperty, interString);
        interString = i18n.get(UTMGridPlugIn.class,
                ShowLabelsProperty,
                ShowLabelsProperty);
        props.put(ShowLabelsProperty + LabelEditorProperty, interString);
        props.put(ShowLabelsProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.YesNoPropertyEditor");

        interString = i18n.get(UTMGridPlugIn.class,
                Show100kGridProperty,
                I18n.TOOLTIP,
                "Show 100Km Distance Grid Lines");
        props.put(Show100kGridProperty, interString);
        interString = i18n.get(UTMGridPlugIn.class,
                Show100kGridProperty,
                Show100kGridProperty);
        props.put(Show100kGridProperty + LabelEditorProperty, interString);
        props.put(Show100kGridProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.YesNoPropertyEditor");

        interString = i18n.get(UTMGridPlugIn.class,
                DistanceGridColorProperty,
                I18n.TOOLTIP,
                "Color for Equal-Distance Grid Lines.");
        props.put(DistanceGridColorProperty, interString);
        interString = i18n.get(UTMGridPlugIn.class,
                DistanceGridColorProperty,
                DistanceGridColorProperty);
        props.put(DistanceGridColorProperty + LabelEditorProperty, interString);
        props.put(DistanceGridColorProperty + ScopedEditorProperty,
                "com.bbn.openmap.util.propertyEditor.ColorPropertyEditor");

        interString = i18n.get(UTMGridPlugIn.class,
                DistanceGridResolutionProperty,
                I18n.TOOLTIP,
                "Meter Resolution for Distance Grid Lines (0-5)");
        props.put(DistanceGridResolutionProperty, interString);
        interString = i18n.get(UTMGridPlugIn.class,
                DistanceGridResolutionProperty,
                DistanceGridResolutionProperty);
        props.put(DistanceGridResolutionProperty + LabelEditorProperty,
                interString);

        props.put(initPropertiesProperty, ShowZonesProperty + " "
                + UTMGridColorProperty + " " + Show100kGridProperty + " "
                + ShowLabelsProperty + " " + DistanceGridResolutionProperty
                + " " + DistanceGridColorProperty);
        return props;
    }

    public void setShowZones(boolean value) {
        showZones = value;
    }

    public boolean isShowZones() {
        return showZones;
    }

    public void setShowLabels(boolean value) {
        showLabels = value;
    }

    public boolean isShowLabels() {
        return showLabels;
    }

    public void setLabelCutoffScale(float value) {
        labelCutoffScale = value;
    }

    public float getLabelCutoffScale() {
        return labelCutoffScale;
    }

    public void setShow100kGrid(boolean value) {
        show100kGrid = value;
    }

    public boolean isShow100kGrid() {
        return show100kGrid;
    }

    /**
     * Resolution should be MRGS accuracy, 0 for none, 1-5 otherwise,
     * where 1 = 10000 meter grid, 5 is 1 meter grid.
     */
    public void setDistanceGridResolution(int value) {
        distanceGridResolution = value;
        if (distanceGridResolution < 0
                || distanceGridResolution > MGRSPoint.ACCURACY_1_METER) {
            distanceGridResolution = 0;
        }
    }

    public int getDistanceGridResolution() {
        return distanceGridResolution;
    }

    public void setUTMGridPaint(Paint value) {
        utmGridPaint = value;

        if (verticalList != null) {
            verticalList.setLinePaint(getUTMGridPaint());
            horizontalList.setLinePaint(getUTMGridPaint());
        }
    }

    public Paint getUTMGridPaint() {
        return utmGridPaint;
    }

    public void setDistanceGridPaint(Paint value) {
        distanceGridPaint = value;
    }

    public Paint getDistanceGridPaint() {
        return distanceGridPaint;
    }
}