package scriptbuilder.gui.drawers;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/*
The MIT License

Copyright (c) 2010 Ernest Yu. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
 */

/**
 * Demo application panel to display a range slider.
 */
public class RangeSliderDemo extends JPanel
{

    private JLabel rangeSliderLabel1 = new JLabel();
    private JLabel rangeSliderValue1 = new JLabel();
    private JLabel rangeSliderLabel2 = new JLabel();
    private JLabel rangeSliderValue2 = new JLabel();
    private RangeSlider rangeSlider = new RangeSlider();

    public RangeSliderDemo()
    {
        setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
        setLayout(new GridBagLayout());

        rangeSliderLabel1.setText("Lower value:");
        rangeSliderLabel2.setText("Upper value:");
        rangeSliderValue1.setHorizontalAlignment(JLabel.LEFT);
        rangeSliderValue2.setHorizontalAlignment(JLabel.LEFT);

        rangeSlider.setPreferredSize(new Dimension(240, rangeSlider.getPreferredSize().height));
        rangeSlider.setMinimum(0);
        rangeSlider.setMaximum(10);

        // Add listener to update display.
        rangeSlider.addChangeListener(new ChangeListener()
        {
            public void stateChanged(ChangeEvent e)
            {
                RangeSlider slider = (RangeSlider) e.getSource();
                rangeSliderValue1.setText(String.valueOf(slider.getValue()));
                rangeSliderValue2.setText(String.valueOf(slider.getUpperValue()));
            }
        });

        add(rangeSliderLabel1, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0,
                GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 3, 3), 0, 0));
        add(rangeSliderValue1, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0,
                GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 3, 0), 0, 0));
        add(rangeSliderLabel2, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0,
                GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 3, 3), 0, 0));
        add(rangeSliderValue2, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0,
                GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 6, 0), 0, 0));
        add(rangeSlider, new GridBagConstraints(0, 2, 2, 1, 0.0, 0.0,
                GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    }

    public void display()
    {
        // Initialize values.
        rangeSlider.setValue(3);
        rangeSlider.setUpperValue(7);

        // Initialize value display.
        rangeSliderValue1.setText(String.valueOf(rangeSlider.getValue()));
        rangeSliderValue2.setText(String.valueOf(rangeSlider.getUpperValue()));

        // Create window frame.
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setResizable(false);
        frame.setTitle("Range Slider Demo");

        // Set window content and validate.
        frame.getContentPane().setLayout(new BorderLayout());
        frame.getContentPane().add(this, BorderLayout.CENTER);
        frame.pack();

        // Set window location and display.
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    /**
     * Main application method.
     *
     * @param args String[]
     */
    public static void main(String[] args)
    {
        try
        {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }

        SwingUtilities.invokeLater(new Runnable()
        {
            public void run()
            {
                new RangeSliderDemo().display();
            }
        });
    }
}