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 java.awt.geom.Point2D; 28import javax.swing.event.ChangeListener; 29import javax.swing.event.ChangeEvent; 30import java.beans.PropertyChangeListener; 31import java.beans.PropertyChangeEvent; 32 33import com.sun.swingset3.demos.ResourceManager; 34 35/** 36 * @author Mikhail Lapshin 37 */ 38public class MandelbrotControl extends JPanel { 39 40 private final JMandelbrot mandelbrot; 41 private JSpinner iterSpinner; 42 private CoordSpinner xSpinner; 43 private CoordSpinner ySpinner; 44 private static final double COORD_SPINNER_STEP = 0.1d; // part of width or height 45 private final ResourceManager resourceManager; 46 47 public MandelbrotControl(JMandelbrot mandelbrot, 48 ResourceManager resourceManager) { 49 this.mandelbrot = mandelbrot; 50 this.resourceManager = resourceManager; 51 createUI(); 52 installListeners(); 53 } 54 55 private void createUI() { 56 setLayout(new FlowLayout(FlowLayout.LEADING, 5, 0)); 57 setBorder(BorderFactory.createTitledBorder( 58 resourceManager.getString("SpinnerDemo.fractalControls"))); 59 JSpinnerPanel spinnerPanel = new JSpinnerPanel(); 60 61 //<snip>Create spinner 62 iterSpinner = new JSpinner(new SpinnerNumberModel( 63 mandelbrot.getMaxIteration(), 10, 100000, 50)); 64 //</snip> 65 //<snip>Add change listener using anonymus inner class 66 iterSpinner.addChangeListener(new ChangeListener() { 67 @Override 68 public void stateChanged(ChangeEvent e) { 69 mandelbrot.setMaxIteration((Integer) iterSpinner.getValue()); 70 mandelbrot.calculatePicture(); 71 } 72 }); 73 //</snip> 74 spinnerPanel.addSpinner( 75 resourceManager.getString("SpinnerDemo.iterations"), iterSpinner); 76 77 //<snip>Create spinner 78 final double xValue = mandelbrot.getCenter().getX(); 79 double width = mandelbrot.getXHighLimit() - mandelbrot.getXLowLimit(); 80 xSpinner = new CoordSpinner(xValue, width * COORD_SPINNER_STEP); 81 //</snip> 82 //<snip>Add change listener using anonymus inner class 83 xSpinner.addChangeListener(new ChangeListener() { 84 @Override 85 public void stateChanged(ChangeEvent e) { 86 Double newX = (Double) xSpinner.getValue(); 87 mandelbrot.setCenter(new Point2D.Double( 88 newX, mandelbrot.getCenter().getY())); 89 mandelbrot.calculatePicture(); 90 } 91 }); 92 //</snip> 93 spinnerPanel.addSpinner( 94 resourceManager.getString("SpinnerDemo.x"), xSpinner); 95 96 //<snip>Create spinner 97 final double yValue = mandelbrot.getCenter().getY(); 98 double height = mandelbrot.getYHighLimit() - mandelbrot.getYLowLimit(); 99 ySpinner = new CoordSpinner(yValue, height * COORD_SPINNER_STEP); 100 //</snip> 101 //<snip>Add change listener using anonymus inner class 102 ySpinner.addChangeListener(new ChangeListener() { 103 @Override 104 public void stateChanged(ChangeEvent e) { 105 Double newY = (Double) ySpinner.getValue(); 106 mandelbrot.setCenter(new Point2D.Double( 107 mandelbrot.getCenter().getX(), newY)); 108 mandelbrot.calculatePicture(); 109 } 110 }); 111 //</snip> 112 spinnerPanel.addSpinner( 113 resourceManager.getString("SpinnerDemo.y"), ySpinner); 114 115 add(spinnerPanel); 116 } 117 118 private void installListeners() { 119 mandelbrot.addPropertyChangeListener( 120 JMandelbrot.CENTER_PROPERTY_NAME, 121 new PropertyChangeListener() { 122 @Override 123 public void propertyChange(PropertyChangeEvent evt) { 124 double width = mandelbrot.getXHighLimit() 125 - mandelbrot.getXLowLimit(); 126 double newX = mandelbrot.getCenter().getX(); 127 xSpinner.updateModel(newX, width * COORD_SPINNER_STEP); 128 double height = mandelbrot.getYHighLimit() 129 - mandelbrot.getYLowLimit(); 130 double newY = mandelbrot.getCenter().getY(); 131 ySpinner.updateModel(newY, height * COORD_SPINNER_STEP); 132 } 133 } 134 ); 135 } 136 137 //<snip>Customized spinner class 138 // It uses special format for NumberEditor and has constant preferred width 139 private static class CoordSpinner extends JSpinner { 140 141 @Override 142 protected JComponent createEditor(SpinnerModel model) { 143 return new NumberEditor(this, "#.####################"); 144 } 145 146 public CoordSpinner(double value, double stepSize) { 147 super(new SpinnerNumberModel(value, -100, 100, stepSize)); 148 } 149 150 //A useful shortcut method 151 public void updateModel(double value, double stepSize) { 152 SpinnerNumberModel model = (SpinnerNumberModel) getModel(); 153 model.setValue(value); 154 model.setStepSize(stepSize); 155 } 156 157 @Override 158 public Dimension getPreferredSize() { 159 Dimension prefSize = super.getPreferredSize(); 160 prefSize.setSize(180, prefSize.getHeight()); 161 return prefSize; 162 } 163 } 164 //</snip> 165} 166