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Java Source | 2002-09-06 | 6.1 KB | 200 lines |
- /*
- * Copyright (c) 2002 Sun Microsystems, Inc. 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.
- *
- * -Redistribution in binary form must reproduct 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 Sun Microsystems, Inc. or the names of contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
- * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
- * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
- * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
- * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
- * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
- * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
- * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
- * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
- * IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed, licensed or intended for
- * use in the design, construction, operation or maintenance of any nuclear
- * facility.
- */
-
- /*
- * @(#)ProgressBarDemo.java 1.6 02/06/13
- */
-
-
- 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
- *
- * @version 1.6 06/13/02
- * @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;
- Action loadAction;
- Action stopAction;
- JProgressBar progressBar;
- JTextArea progressTextArea;
-
- 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"));
-
- progressPanel.add(progressBar);
- progressPanel.add(createLoadButton());
- progressPanel.add(createStopButton());
- }
-
- public JButton createLoadButton() {
- loadAction = new AbstractAction(getString("ProgressBarDemo.start_button")) {
- public void actionPerformed(ActionEvent e) {
- if(timer == null) {
- loadAction.setEnabled(false);
- stopAction.setEnabled(true);
- timer = new javax.swing.Timer(18, createTextLoadAction());
- timer.start();
- }
- }
- };
- return createButton(loadAction);
- }
-
- public JButton createStopButton() {
- stopAction = new AbstractAction(getString("ProgressBarDemo.stop_button")) {
- public void actionPerformed(ActionEvent e) {
- if(timer != null) {
- timer.stop();
- timer = null;
- }
- 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 {
- if(timer != null) {
- timer.stop();
- timer = null;
- 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;
- }
- }
- }
-
-
-