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