/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package components;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import javax.swing.event.*;import javax.swing.colorchooser.*;/* Used by ColorChooserDemo2.java. */public class CrayonPanel extends AbstractColorChooserPanel                         implements ActionListener {    JToggleButton redCrayon;    JToggleButton yellowCrayon;    JToggleButton greenCrayon;    JToggleButton blueCrayon;    public void updateChooser() {        Color color = getColorFromModel();        if (Color.red.equals(color)) {            redCrayon.setSelected(true);        } else if (Color.yellow.equals(color)) {            yellowCrayon.setSelected(true);        } else if (Color.green.equals(color)) {            greenCrayon.setSelected(true);        } else if (Color.blue.equals(color)) {            blueCrayon.setSelected(true);        }    }    protected JToggleButton createCrayon(String name,                                         Border normalBorder) {        JToggleButton crayon = new JToggleButton();        crayon.setActionCommand(name);        crayon.addActionListener(this);        //Set the image or, if that's invalid, equivalent text.        ImageIcon icon = createImageIcon("images/" + name + ".gif");        if (icon != null) {            crayon.setIcon(icon);            crayon.setToolTipText("The " + name + " crayon");            crayon.setBorder(normalBorder);        } else {            crayon.setText("Image not found. This is the "                           + name + " button.");            crayon.setFont(crayon.getFont().deriveFont(Font.ITALIC));            crayon.setHorizontalAlignment(JButton.HORIZONTAL);            crayon.setBorder(BorderFactory.createLineBorder(Color.BLACK));        }        return crayon;    }    protected void buildChooser() {        setLayout(new GridLayout(0, 1));        ButtonGroup boxOfCrayons = new ButtonGroup();        Border border = BorderFactory.createEmptyBorder(4,4,4,4);        redCrayon = createCrayon("red", border);        boxOfCrayons.add(redCrayon);        add(redCrayon);        yellowCrayon = createCrayon("yellow", border);        boxOfCrayons.add(yellowCrayon);        add(yellowCrayon);        greenCrayon = createCrayon("green", border);        boxOfCrayons.add(greenCrayon);        add(greenCrayon);        blueCrayon = createCrayon("blue", border);        boxOfCrayons.add(blueCrayon);        add(blueCrayon);    }    /** Returns an ImageIcon, or null if the path was invalid. */    protected static ImageIcon createImageIcon(String path) {        java.net.URL imgURL = CrayonPanel.class.getResource(path);        if (imgURL != null) {            return new ImageIcon(imgURL);        } else {            System.err.println("Couldn't find file: " + path);            return null;        }    }    public void actionPerformed(ActionEvent e) {        Color newColor = null;        String command = ((JToggleButton)e.getSource()).getActionCommand();        if ("green".equals(command))            newColor = Color.green;        else if ("red".equals(command))            newColor = Color.red;        else if ("yellow".equals(command))            newColor = Color.yellow;        else if ("blue".equals(command))            newColor = Color.blue;        getColorSelectionModel().setSelectedColor(newColor);    }    public String getDisplayName() {        return "Crayons";    }    public Icon getSmallDisplayIcon() {        return null;    }    public Icon getLargeDisplayIcon() {        return null;    }}