1 /*

     2  * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 package com.sun.swingset3.demos.spinner;

    24 

    25 import javax.swing.*;

    26 import java.awt.*;

    27 import javax.swing.event.ChangeListener;

    28 import javax.swing.event.ChangeEvent;

    29 

    30 import com.sun.swingset3.demos.ResourceManager;

    31 

    32 /**

    33  * @author Mikhail Lapshin

    34  */

    35 public class PaletteChooser extends JPanel {

    36 

    37     private static final int MIN_COLOR = 50;

    38     private static final int MAX_COLOR = 255;

    39     private static final int R_STEPS = 5;

    40     private static final int G_STEPS = 5;

    41     private static final int B_STEPS = 5;

    42     private static final int R_ANGLE = 270;

    43     private static final int G_ANGLE = 90;

    44     private static final int B_ANGLE = 0;

    45 

    46     public static final String PALETTE_PROPERTY_NAME = "palette";

    47 

    48     private final ResourceManager resourceManager;

    49     private Palette palette;

    50     private final JPaletteShower shower;

    51     private final ChangeListener changeListener;

    52 

    53     private JSpinner rsSpinner;

    54     private JSpinner gsSpinner;

    55     private JSpinner bsSpinner;

    56     private JSpinner raSpinner;

    57     private JSpinner gaSpinner;

    58     private JSpinner baSpinner;

    59 

    60     public PaletteChooser(ResourceManager resourceManager) {

    61         this.resourceManager = resourceManager;

    62         palette = new Palette(MAX_COLOR - MIN_COLOR, MIN_COLOR, MAX_COLOR,

    63                 Math.toRadians(R_ANGLE), Math.toRadians(G_ANGLE),

    64                 Math.toRadians(B_ANGLE), R_STEPS, G_STEPS, B_STEPS);

    65         shower = new JPaletteShower(palette, 250, 25);

    66 

    67         //<snip>Use single change listener for several spinners

    68         changeListener = new ChangeListener() {

    69             @Override

    70             public void stateChanged(ChangeEvent e) {

    71                 setPalette(createPalette());

    72                 shower.setPalette(palette);

    73                 repaint();

    74             }

    75         };

    76         //</snip>

    77 

    78         setBorder(BorderFactory.createTitledBorder(

    79                 resourceManager.getString("SpinnerDemo.colorPalette")));

    80         setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

    81         add(shower);

    82         add(createControlPanel());

    83     }

    84 

    85     private double toRadians(JSpinner spinner) {

    86         return Math.toRadians(getIntValue(spinner));

    87     }

    88 

    89     private Palette createPalette() {

    90         return new Palette(getWidth(), MIN_COLOR, MAX_COLOR,

    91                 toRadians(raSpinner), toRadians(gaSpinner),

    92                 toRadians(baSpinner), getIntValue(rsSpinner),

    93                 getIntValue(gsSpinner), getIntValue(bsSpinner));

    94     }

    95 

    96     private static int getIntValue(JSpinner spinner) {

    97         return (Integer) spinner.getValue();

    98     }

    99 

   100     private JPanel createControlPanel() {

   101         JPanel controlPanel = new JPanel();

   102         controlPanel.setLayout(new GridLayout(1, 2));

   103         controlPanel.add(createStepPanel());

   104         controlPanel.add(createStartAnglePanel());

   105         return controlPanel;

   106     }

   107 

   108     private JPanel createStartAnglePanel() {

   109         JSpinnerPanel startAnglePanel = new JSpinnerPanel();

   110         startAnglePanel.setBorder(BorderFactory.createTitledBorder(

   111                 resourceManager.getString("SpinnerDemo.startAngles")));

   112 

   113         raSpinner = createAngleSpinner(R_ANGLE, "SpinnerDemo.r", startAnglePanel);

   114         gaSpinner = createAngleSpinner(G_ANGLE, "SpinnerDemo.g", startAnglePanel);

   115         baSpinner = createAngleSpinner(B_ANGLE, "SpinnerDemo.b", startAnglePanel);

   116 

   117         return startAnglePanel;

   118     }

   119 

   120     private JPanel createStepPanel() {

   121         JSpinnerPanel stepPanel = new JSpinnerPanel();

   122         stepPanel.setBorder(BorderFactory.createTitledBorder(

   123                 resourceManager.getString("SpinnerDemo.steps")));

   124 

   125         rsSpinner = createStepSpinner(R_STEPS, "SpinnerDemo.r", stepPanel);

   126         gsSpinner = createStepSpinner(G_STEPS, "SpinnerDemo.g", stepPanel);

   127         bsSpinner = createStepSpinner(B_STEPS, "SpinnerDemo.b", stepPanel);

   128 

   129         return stepPanel;

   130     }

   131 

   132     private JSpinner createAngleSpinner(int startAngle, String resourceName,

   133             JSpinnerPanel parent) {

   134         SpinnerModel model = new SpinnerNumberModel(startAngle, 0, 360, 10);

   135         return createSpinner(model, resourceName, parent);

   136     }

   137 

   138     private JSpinner createStepSpinner(int startSteps, String resourceName,

   139             JSpinnerPanel parent) {

   140         SpinnerModel model = new SpinnerNumberModel(startSteps, 1, 1000, 1);

   141         return createSpinner(model, resourceName, parent);

   142     }

   143 

   144     private JSpinner createSpinner(SpinnerModel model, String resourceName,

   145             JSpinnerPanel parent) {

   146 

   147         //<snip>Create spinner

   148         JSpinner spinner = new JSpinner(model);

   149         //</snip>

   150         //<snip>Use single change listener for several spinners

   151         spinner.addChangeListener(changeListener);

   152         //</snip>

   153         parent.addSpinner(resourceManager.getString(resourceName), spinner);

   154         return spinner;

   155     }

   156 

   157     public Palette getPalette() {

   158         return palette;

   159     }

   160 

   161     private void setPalette(Palette palette) {

   162         Palette oldValue = this.palette;

   163         this.palette = palette;

   164         firePropertyChange(PALETTE_PROPERTY_NAME, oldValue, palette);

   165     }

   166 }