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 */ 23package com.sun.swingset3.demos.spinner; 24 25import javax.swing.*; 26import java.awt.*; 27import javax.swing.event.ChangeListener; 28import javax.swing.event.ChangeEvent; 29 30import com.sun.swingset3.demos.ResourceManager; 31 32/** 33 * @author Mikhail Lapshin 34 */ 35public 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} 167