/* * * Copyright (c) 2007, 2018 Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; import javax.swing.border.*; import javax.swing.colorchooser.*; import javax.swing.filechooser.*; import javax.accessibility.*; import java.awt.*; import java.awt.event.*; import java.beans.*; import java.util.*; import java.io.*; import java.applet.*; import java.net.*; /** * JProgressBar Demo * * @author Jeff Dinkins # @author Peter Korn (accessibility support) */ public class ProgressBarDemo extends DemoModule { /** * main method allows us to run as a standalone demo. */ public static void main(String[] args) { ProgressBarDemo demo = new ProgressBarDemo(null); demo.mainImpl(); } /** * ProgressBarDemo Constructor */ public ProgressBarDemo(SwingSet2 swingset) { // Set the title for this demo, and an icon used to represent this // demo inside the SwingSet2 app. super(swingset, "ProgressBarDemo", "toolbar/JProgressBar.gif"); createProgressPanel(); } javax.swing.Timer timer = new javax.swing.Timer(18, createTextLoadAction()); Action loadAction; Action stopAction; JProgressBar progressBar; JTextArea progressTextArea; void updateDragEnabled(boolean dragEnabled) { progressTextArea.setDragEnabled(dragEnabled); } public void createProgressPanel() { getDemoPanel().setLayout(new BorderLayout()); JPanel textWrapper = new JPanel(new BorderLayout()); textWrapper.setBorder(new SoftBevelBorder(BevelBorder.LOWERED)); textWrapper.setAlignmentX(LEFT_ALIGNMENT); progressTextArea = new MyTextArea(); progressTextArea.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_area_name")); progressTextArea.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_area_description")); textWrapper.add(new JScrollPane(progressTextArea), BorderLayout.CENTER); getDemoPanel().add(textWrapper, BorderLayout.CENTER); JPanel progressPanel = new JPanel(); getDemoPanel().add(progressPanel, BorderLayout.SOUTH); progressBar = new JProgressBar(JProgressBar.HORIZONTAL, 0, text.length()) { public Dimension getPreferredSize() { return new Dimension(300, super.getPreferredSize().height); } }; progressBar.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_loading_progress")); progressBar.setFocusable(true); progressPanel.add(progressBar); progressPanel.add(createLoadButton()); progressPanel.add(createStopButton()); } public JButton createLoadButton() { loadAction = new AbstractAction(getString("ProgressBarDemo.start_button")) { public void actionPerformed(ActionEvent e) { loadAction.setEnabled(false); stopAction.setEnabled(true); if (progressBar.getValue() == progressBar.getMaximum()) { progressBar.setValue(0); textLocation = 0; progressTextArea.setText(""); } timer.start(); } }; return createButton(loadAction); } public JButton createStopButton() { stopAction = new AbstractAction(getString("ProgressBarDemo.stop_button")) { public void actionPerformed(ActionEvent e) { timer.stop(); loadAction.setEnabled(true); stopAction.setEnabled(false); } }; return createButton(stopAction); } public JButton createButton(Action a) { JButton b = new JButton(); // setting the following client property informs the button to show // the action text as it's name. The default is to not show the // action text. b.putClientProperty("displayActionText", Boolean.TRUE); b.setAction(a); return b; } int textLocation = 0; String text = getString("ProgressBarDemo.text"); public Action createTextLoadAction() { return new AbstractAction("text load action") { public void actionPerformed (ActionEvent e) { if(progressBar.getValue() < progressBar.getMaximum()) { progressBar.setValue(progressBar.getValue() + 1); progressTextArea.append(text.substring(textLocation, textLocation+1)); textLocation++; } else { timer.stop(); loadAction.setEnabled(true); stopAction.setEnabled(false); } } }; } class MyTextArea extends JTextArea { public MyTextArea() { super(null, 0, 0); setEditable(false); setText(""); } public float getAlignmentX () { return LEFT_ALIGNMENT; } public float getAlignmentY () { return TOP_ALIGNMENT; } } }