Application: gvSIG desktop » gvSIG scripting

// jEdit settings:

// :tabSize=4:indentSize=4:noTabs=true:folding=explicit:collapseFolds=1:

package thinletcommons;

import java.awt.Color;

import java.awt.Dialog;

import java.awt.Frame;

import java.util.logging.Level;

import java.util.logging.Logger;

import thinlet.Thinlet;

/**

 * A Thinlet color chooser dialog.

 *

 * <p>

 * The dialog is modal and blocks the calling frame/dialog. It is therefore

 * displayed in a separate window.

 *

 * @author Dirk Moebius

 */

public class ColorChooser

{

    //{{{ logging

    private static final Logger log = Logger.getLogger("thinletcommons");

    private static final boolean debug() { return log.isLoggable(Level.FINE); }

    //}}}

    private ThinletDialog dialog;

    private Thinlet thinlet;

    private Color selectedColor;

    // components

    private Object sl_red, sl_green, sl_blue;

    private Object sb_red, sb_green, sb_blue;

    private Object tf_hue, tf_saturation, tf_brightness;

    private Object pb_hue, pb_saturation, pb_brightness;

    private Object rgb_label;

    public ColorChooser(Frame owner, String title)

    {

        this.dialog = new ThinletDialog(owner, title);

        init();

    }

    public ColorChooser(Dialog owner, String title)

    {

        this.dialog = new ThinletDialog(owner, title);

        init();

    }

    private void init()

    {

        thinlet = new AntiAliasedThinlet();

        try

        {

            Object panel = thinlet.parse("/thinletcommons/colorchooser.xml", this);

            thinlet.add(panel);

        }

        catch(Exception e)

        {

            log.log(Level.SEVERE, "Error parsing colorchooser.xml", e);

        }

        dialog.setContent(thinlet);

    }

    /**

     * Show the modal dialog.

     * This halts the application until the user dismisses the dialog.

     */

    public void show()

    {

        if(debug()) log.fine("in show");

        dialog.pack();

        dialog.setResizable(false);

        dialog.setLocationRelativeTo(dialog.getOwner());

        dialog.setVisible(true);

    }

    public void setSelectedColor(Color color)

    {

        int red = 0, green = 0, blue = 0;

        if(color != null)

        {

            red = color.getRed();

            green = color.getGreen();

            blue = color.getBlue();

            thinlet.setInteger(sl_red, "value", red);

            thinlet.setInteger(sl_green, "value", green);

            thinlet.setInteger(sl_blue, "value", blue);

            thinlet.setString(sb_red, "text", String.valueOf(red));

            thinlet.setString(sb_green, "text", String.valueOf(green));

            thinlet.setString(sb_blue, "text", String.valueOf(blue));

            hsbChanged();

        }

    }

    public Color getSelectedColor()

    {

        return selectedColor;

    }

    //{{{ callbacks for colorchooser.xml

    /** Thinlet callback. */

    public void init(Object sl_red, Object sl_green, Object sl_blue,

        Object sb_red, Object sb_green, Object sb_blue,

        Object tf_hue, Object tf_saturation, Object tf_brightness,

        Object pb_hue, Object pb_saturation, Object pb_brightness,

        Object rgb_label)

    {

        if(debug()) log.fine("in init");

        this.sl_red = sl_red;

        this.sl_green = sl_green;

        this.sl_blue = sl_blue;

        this.sb_red = sb_red;

        this.sb_green = sb_green;

        this.sb_blue = sb_blue;

        this.tf_hue = tf_hue;

        this.tf_saturation = tf_saturation;

        this.tf_brightness = tf_brightness;

        this.pb_hue = pb_hue;

        this.pb_saturation = pb_saturation;

        this.pb_brightness = pb_brightness;

        this.rgb_label = rgb_label;

    }

    /** Thinlet callback. */

    public void sliderChanged(int value, Object spinbox)

    {

        thinlet.setString(spinbox, "text", String.valueOf(value));

        hsbChanged();

    }

    /** Thinlet callback. */

    public void spinboxChanged(String text, Object slider)

    {

        try

        {

            int value = Integer.parseInt(text);

            if(value >= 0 && value <= 255)

            {

                thinlet.setInteger(slider, "value", value);

                hsbChanged();

            }

        }

        catch (NumberFormatException ignore)

        {

        }

    }

    /** Thinlet callback. */

    public void ok()

    {

        int red = thinlet.getInteger(sl_red, "value");

        int green = thinlet.getInteger(sl_green, "value");

        int blue = thinlet.getInteger(sl_blue, "value");

        this.selectedColor = new Color(red, green, blue);

        dialog.setVisible(false);

    }

    /** Thinlet callback. */

    public void close()

    {

        dialog.setVisible(false);

    }

    //}}}

    //{{{ private methods

    private void hsbChanged()

    {

        int red = thinlet.getInteger(sl_red, "value");

        int green = thinlet.getInteger(sl_green, "value");

        int blue = thinlet.getInteger(sl_blue, "value");

        float[] hsb = Color.RGBtoHSB(red, green, blue, null);

        thinlet.setColor(rgb_label, "background", new Color(red, green, blue));

        thinlet.setString(tf_hue, "text", String.valueOf(hsb[0]));

        thinlet.setString(tf_saturation, "text", String.valueOf(hsb[1]));

        thinlet.setString(tf_brightness, "text", String.valueOf(hsb[2]));

        thinlet.setInteger(pb_hue, "value", (int) (100f * hsb[0]));

        thinlet.setInteger(pb_saturation, "value", (int) (100f * hsb[1]));

        thinlet.setInteger(pb_brightness, "value", (int) (100f * hsb[2]));

    }

    //}}}

}