Quelle ColorChooserDemo.java Sprache: JAVA

/*
*
* Copyright (c) 2007, 2021, Oracle and/or its affiliates. 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 Oracle 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.
*/

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JDialog;
import javax.swing.JPanel;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
* JColorChooserDemo
*
* @author Jeff Dinkins
*/
public class ColorChooserDemo extends DemoModule {

    BezierAnimationPanel bezAnim;
    JButton outerColorButton = null;
    JButton backgroundColorButton = null;
    JButton gradientAButton = null;
    JButton gradientBButton = null;

    // to store the color chosen from the JColorChooser
    private Color chosen;

    /**
     * main method allows us to run as a standalone demo.
     */
    public static void main(String[] args) {
        ColorChooserDemo demo = new ColorChooserDemo(null);
        demo.mainImpl();
    }

    /**
     * ColorChooserDemo Constructor
     */
    public ColorChooserDemo(SwingSet2 swingset) {
        // Set the title for this demo, and an icon used to represent this
        // demo inside the SwingSet2 app.
        super(swingset, "ColorChooserDemo", "toolbar/JColorChooser.gif");

        // Create the bezier animation panel to put in the center of the panel.
        bezAnim = new BezierAnimationPanel();

        outerColorButton = new JButton(getString("ColorChooserDemo.outer_line"));
        outerColorButton.setIcon(new ColorSwatch("OuterLine", bezAnim));

        backgroundColorButton = new JButton(getString("ColorChooserDemo.background"));
        backgroundColorButton.setIcon(new ColorSwatch("Background", bezAnim));

        gradientAButton = new JButton(getString("ColorChooserDemo.grad_a"));
        gradientAButton.setIcon(new ColorSwatch("GradientA", bezAnim));

        gradientBButton = new JButton(getString("ColorChooserDemo.grad_b"));
        gradientBButton.setIcon(new ColorSwatch("GradientB", bezAnim));

        ActionListener l = new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                Color current = bezAnim.getOuterColor();

                if(e.getSource() == backgroundColorButton) {
                    current = bezAnim.getBackgroundColor();
                } else if(e.getSource() == gradientAButton) {
                    current = bezAnim.getGradientColorA();
                } else if(e.getSource() == gradientBButton) {
                    current = bezAnim.getGradientColorB();
                }

                final JColorChooser chooser = new JColorChooser(current != null ?
                                                                current :
                                                                Color.WHITE);
                if (getSwingSet2() != null && getSwingSet2().isDragEnabled()) {
                    chooser.setDragEnabled(true);
                }

                chosen = null;
                ActionListener okListener = new ActionListener() {
                    public void actionPerformed(ActionEvent ae) {
                        chosen = chooser.getColor();
                    }
                };

                JDialog dialog = JColorChooser.createDialog(getDemoPanel(),
                                                            getString("ColorChooserDemo.chooser_title"),
                                                            true,
                                                            chooser,
                                                            okListener,
                                                            null);

                dialog.setVisible(true);

                if(e.getSource() == outerColorButton) {
                    bezAnim.setOuterColor(chosen);
                } else if(e.getSource() == backgroundColorButton) {
                    bezAnim.setBackgroundColor(chosen);
                } else if(e.getSource() == gradientAButton) {
                    bezAnim.setGradientColorA(chosen);
                } else {
                    bezAnim.setGradientColorB(chosen);
                }
            }
        };

        outerColorButton.addActionListener(l);
        backgroundColorButton.addActionListener(l);
        gradientAButton.addActionListener(l);
        gradientBButton.addActionListener(l);

        // Add everything to the panel
        JPanel p = getDemoPanel();
        p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));

        // Add control buttons
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS));

        buttonPanel.add(backgroundColorButton);
        buttonPanel.add(Box.createRigidArea(new Dimension(15, 1)));

        buttonPanel.add(gradientAButton);
        buttonPanel.add(Box.createRigidArea(new Dimension(15, 1)));

        buttonPanel.add(gradientBButton);
        buttonPanel.add(Box.createRigidArea(new Dimension(15, 1)));

        buttonPanel.add(outerColorButton);

        // Add the panel midway down the panel
        p.add(Box.createRigidArea(new Dimension(1, 10)));
        p.add(buttonPanel);
        p.add(Box.createRigidArea(new Dimension(1, 5)));
        p.add(bezAnim);
    }

    class ColorSwatch implements Icon {
        String gradient;
        BezierAnimationPanel bez;

        public ColorSwatch(String g, BezierAnimationPanel b) {
            bez = b;
            gradient = g;
        }

        public int getIconWidth() {
            return 11;
        }

        public int getIconHeight() {
            return 11;
        }

        public void paintIcon(Component c, Graphics g, int x, int y) {
            g.setColor(Color.black);
            g.fillRect(x, y, getIconWidth(), getIconHeight());
            if(gradient.equals("GradientA")) {
                g.setColor(bez.getGradientColorA());
            } else if(gradient.equals("GradientB")) {
                g.setColor(bez.getGradientColorB());
            } else if(gradient.equals("Background")) {
                g.setColor(bez.getBackgroundColor());
            } else if(gradient.equals("OuterLine")) {
                g.setColor(bez.getOuterColor());
            }
            g.fillRect(x+2, y+2, getIconWidth()-4, getIconHeight()-4);
        }
    }

}

quality100%

¤ Dauer der Verarbeitung: 0.5 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.