/*

 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.swingset3.demos.progressbar;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import javax.swing.*;

import javax.swing.border.BevelBorder;

import javax.swing.border.SoftBevelBorder;

import com.sun.swingset3.DemoProperties;

import com.sun.swingset3.demos.ResourceManager;

/**

 * JProgressBar Demo

 *

 * @version 1.12 11/17/05

 * @author Jeff Dinkins # @author Peter Korn (accessibility support)

 */

@DemoProperties(

        value = "ProgressBar Demo",

        category = "Controls",

        description = "Demonstrates the JProgressBar, a control which displays progress to the user",

        sourceFiles = {

            "com/sun/swingset3/demos/progressbar/ProgressBarDemo.java",

            "com/sun/swingset3/demos/ResourceManager.java",

            "com/sun/swingset3/demos/progressbar/resources/ProgressBarDemo.properties",

            "com/sun/swingset3/demos/progressbar/resources/images/ProgressBarDemo.gif"

        }

)

public class ProgressBarDemo extends JPanel {

    private static final ResourceManager resourceManager = new ResourceManager(ProgressBarDemo.class);

    public static final String STOP_BUTTON = resourceManager.getString("ProgressBarDemo.stop_button");

    public static final String START_BUTTON = resourceManager.getString("ProgressBarDemo.start_button");

    public static final String DEMO_TITLE = ProgressBarDemo.class.getAnnotation(DemoProperties.class).value();

    /**

     * main method allows us to run as a standalone demo.

     *

     * @param args

     */

    public static void main(String[] args) {

        JFrame frame = new JFrame(DEMO_TITLE);

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.getContentPane().add(new ProgressBarDemo());

        frame.setPreferredSize(new Dimension(800, 600));

        frame.pack();

        frame.setLocationRelativeTo(null);

        frame.setVisible(true);

    }

    /**

     * ProgressBarDemo Constructor

     */

    public ProgressBarDemo() {

        createProgressPanel();

    }

    private final javax.swing.Timer timer = new javax.swing.Timer(18, createTextLoadAction());

    private Action loadAction;

    private Action stopAction;

    private JProgressBar progressBar;

    private JTextArea progressTextArea;

    private void createProgressPanel() {

        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(

                resourceManager.getString("ProgressBarDemo.accessible_text_area_name"));

        progressTextArea.getAccessibleContext().setAccessibleDescription(

                resourceManager.getString("ProgressBarDemo.accessible_text_area_description"));

        textWrapper.add(new JScrollPane(progressTextArea), BorderLayout.CENTER);

        add(textWrapper, BorderLayout.CENTER);

        JPanel progressPanel = new JPanel();

        add(progressPanel, BorderLayout.SOUTH);

        progressBar = new JProgressBar(JProgressBar.HORIZONTAL, 0, text.length()) {

            @Override

            public Dimension getPreferredSize() {

                return new Dimension(300, super.getPreferredSize().height);

            }

        };

        progressBar.getAccessibleContext().setAccessibleName(

                resourceManager.getString("ProgressBarDemo.accessible_text_loading_progress"));

        progressPanel.add(progressBar);

        progressPanel.add(createLoadButton());

        progressPanel.add(createStopButton());

    }

    private JButton createLoadButton() {

        loadAction = new AbstractAction(START_BUTTON) {

            @Override

            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);

    }

    private JButton createStopButton() {

        stopAction = new AbstractAction(STOP_BUTTON) {

            @Override

            public void actionPerformed(ActionEvent e) {

                timer.stop();

                loadAction.setEnabled(true);

                stopAction.setEnabled(false);

            }

        };

        return createButton(stopAction);

    }

    private static 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;

    }

    private int textLocation = 0;

    private final String text = resourceManager.getString("ProgressBarDemo.text");

    private Action createTextLoadAction() {

        return new AbstractAction("text load action") {

            @Override

            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);

                }

            }

        };

    }

    private static class MyTextArea extends JTextArea {

        private MyTextArea() {

            super(null, 0, 0);

            setEditable(false);

            setText("");

        }

        @Override

        public float getAlignmentX() {

            return LEFT_ALIGNMENT;

        }

        @Override

        public float getAlignmentY() {

            return TOP_ALIGNMENT;

        }

    }

}