1 /*
2 *
3 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * - Neither the name of Oracle nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
21 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33
34 import javax.swing.*;
35 import javax.swing.event.*;
36 import javax.swing.text.*;
37 import javax.swing.border.*;
38 import javax.swing.colorchooser.*;
39 import javax.swing.filechooser.*;
40 import javax.accessibility.*;
41
42 import java.awt.*;
43 import java.awt.event.*;
44 import java.beans.*;
45 import java.util.*;
46 import java.io.*;
47 import java.applet.*;
48 import java.net.*;
49
50 /**
51 * JProgressBar Demo
52 *
53 * @author Jeff Dinkins
54 # @author Peter Korn (accessibility support)
55 */
56 public class ProgressBarDemo extends DemoModule {
57
58 /**
59 * main method allows us to run as a standalone demo.
60 */
61 public static void main(String[] args) {
62 ProgressBarDemo demo = new ProgressBarDemo(null);
63 demo.mainImpl();
64 }
65
66 /**
67 * ProgressBarDemo Constructor
68 */
69 public ProgressBarDemo(SwingSet2 swingset) {
70 // Set the title for this demo, and an icon used to represent this
71 // demo inside the SwingSet2 app.
72 super(swingset, "ProgressBarDemo", "toolbar/JProgressBar.gif");
73
74 createProgressPanel();
75 }
76
77 javax.swing.Timer timer = new javax.swing.Timer(18, createTextLoadAction());
78 Action loadAction;
79 Action stopAction;
80 JProgressBar progressBar;
81 JTextArea progressTextArea;
82
83 void updateDragEnabled(boolean dragEnabled) {
84 progressTextArea.setDragEnabled(dragEnabled);
85 }
86
87 public void createProgressPanel() {
88 getDemoPanel().setLayout(new BorderLayout());
89
90 JPanel textWrapper = new JPanel(new BorderLayout());
91 textWrapper.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));
92 textWrapper.setAlignmentX(LEFT_ALIGNMENT);
93 progressTextArea = new MyTextArea();
94
95 progressTextArea.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_area_name"));
96 progressTextArea.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_area_description"));
97 textWrapper.add(new JScrollPane(progressTextArea), BorderLayout.CENTER);
98
99 getDemoPanel().add(textWrapper, BorderLayout.CENTER);
100
101 JPanel progressPanel = new JPanel();
102 getDemoPanel().add(progressPanel, BorderLayout.SOUTH);
103
104 progressBar = new JProgressBar(JProgressBar.HORIZONTAL, 0, text.length()) {
105 public Dimension getPreferredSize() {
106 return new Dimension(300, super.getPreferredSize().height);
107 }
108 };
109 progressBar.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_loading_progress"));
110
111 progressPanel.add(progressBar);
112 progressPanel.add(createLoadButton());
113 progressPanel.add(createStopButton());
114 }
115
116 public JButton createLoadButton() {
117 loadAction = new AbstractAction(getString("ProgressBarDemo.start_button")) {
118 public void actionPerformed(ActionEvent e) {
119 loadAction.setEnabled(false);
120 stopAction.setEnabled(true);
121 if (progressBar.getValue() == progressBar.getMaximum()) {
122 progressBar.setValue(0);
123 textLocation = 0;
124 progressTextArea.setText("");
125 }
126 timer.start();
127 }
128 };
129 return createButton(loadAction);
130 }
131
132 public JButton createStopButton() {
133 stopAction = new AbstractAction(getString("ProgressBarDemo.stop_button")) {
134 public void actionPerformed(ActionEvent e) {
135 timer.stop();
136 loadAction.setEnabled(true);
137 stopAction.setEnabled(false);
138 }
139 };
140 return createButton(stopAction);
141 }
142
143 public JButton createButton(Action a) {
144 JButton b = new JButton();
145 // setting the following client property informs the button to show
146 // the action text as it's name. The default is to not show the
147 // action text.
148 b.putClientProperty("displayActionText", Boolean.TRUE);
149 b.setAction(a);
150 return b;
151 }
152
153
154 int textLocation = 0;
155
156 String text = getString("ProgressBarDemo.text");
157
158 public Action createTextLoadAction() {
159 return new AbstractAction("text load action") {
160 public void actionPerformed (ActionEvent e) {
161 if(progressBar.getValue() < progressBar.getMaximum()) {
162 progressBar.setValue(progressBar.getValue() + 1);
163 progressTextArea.append(text.substring(textLocation, textLocation+1));
164 textLocation++;
165 } else {
166 timer.stop();
167 loadAction.setEnabled(true);
168 stopAction.setEnabled(false);
169 }
170 }
171 };
172 }
173
174
175 class MyTextArea extends JTextArea {
176 public MyTextArea() {
177 super(null, 0, 0);
178 setEditable(false);
179 setText("");
180 }
181
182 public float getAlignmentX () {
183 return LEFT_ALIGNMENT;
184 }
185
186 public float getAlignmentY () {
187 return TOP_ALIGNMENT;
188 }
189 }
190 }