package org.shodor.gui14;

import java.awt.AWTEvent;
import java.awt.ActiveEvent;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.MenuComponent;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyVetoException;

import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.SwingUtilities;
import javax.swing.event.MouseInputAdapter;

public class ModalInternalFrame extends JInternalFrame {

	// ====================================================
	public ModalInternalFrame(String title, JRootPane rootPane, Component desktop) {
		super(title);

		// create opaque glass pane
		final JPanel glass = new JPanel();
		glass.setOpaque(false);

		// Attach mouse listeners
		MouseInputAdapter adapter = new MouseInputAdapter() {
		};
		glass.addMouseListener(adapter);
		glass.addMouseMotionListener(adapter);

		// Add in option pane
		// getContentPane().add(pane, BorderLayout.CENTER);

		// Define close behavior
		PropertyChangeListener pcl = new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent event) {
				if(isVisible()
						&& (event.getPropertyName().equals(JOptionPane.VALUE_PROPERTY) || event.getPropertyName().equals(
							JOptionPane.INPUT_VALUE_PROPERTY))) {
					try {
						setClosed(true);
					}
					catch(PropertyVetoException ignored) {
					}
					ModalInternalFrame.this.setVisible(false);
					glass.setVisible(false);
				}
			}
		};

		// pane.addPropertyChangeListener(pcl);

		// Change frame border
		putClientProperty("JInternalFrame.frameType", "optionDialog");

		// Size frame
		Dimension size = getPreferredSize();
		Dimension rootSize = desktop.getSize();

		setBounds((rootSize.width - size.width) / 2, (rootSize.height - size.height) / 2,
			size.width, size.height);
		desktop.validate();
		try {
			setSelected(true);
		}
		catch(PropertyVetoException ignored) {
		}

		// Add modal internal frame to glass pane
		glass.add(this);

		// Change glass pane to our panel
		rootPane.setGlassPane(glass);

		// Show glass pane, then modal dialog
		glass.setVisible(true);
	}

	// =====================================================

	public ModalInternalFrame(String title, JRootPane rootPane, Component desktop, JOptionPane pane) {
		super(title);

		// create opaque glass pane
		final JPanel glass = new JPanel();
		glass.setOpaque(false);

		// Attach mouse listeners
		MouseInputAdapter adapter = new MouseInputAdapter() {
		};
		glass.addMouseListener(adapter);
		glass.addMouseMotionListener(adapter);

		// Add in option pane
		getContentPane().add(pane, BorderLayout.CENTER);

		// Define close behavior
		PropertyChangeListener pcl = new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent event) {
				if(isVisible()
						&& (event.getPropertyName().equals(JOptionPane.VALUE_PROPERTY) || event.getPropertyName().equals(
							JOptionPane.INPUT_VALUE_PROPERTY))) {
					try {
						setClosed(true);
					}
					catch(PropertyVetoException ignored) {
					}
					ModalInternalFrame.this.setVisible(false);
					glass.setVisible(false);
				}
			}
		};

		pane.addPropertyChangeListener(pcl);

		// Change frame border
		putClientProperty("JInternalFrame.frameType", "optionDialog");

		// Size frame
		Dimension size = getPreferredSize();
		Dimension rootSize = desktop.getSize();

		setBounds((rootSize.width - size.width) / 2, (rootSize.height - size.height) / 2,
			size.width, size.height);
		desktop.validate();
		try {
			setSelected(true);
		}
		catch(PropertyVetoException ignored) {
		}

		// Add modal internal frame to glass pane
		glass.add(this);

		// Change glass pane to our panel
		rootPane.setGlassPane(glass);

		// Show glass pane, then modal dialog
		glass.setVisible(true);
	}

	public void setVisible(boolean value) {
		super.setVisible(value);
		if(value) {
			startModal();
		}
		else {
			stopModal();
		}
	}

	private synchronized void startModal() {
		try {
			if(SwingUtilities.isEventDispatchThread()) {
				EventQueue theQueue = getToolkit().getSystemEventQueue();
				while(isVisible()) {
					AWTEvent event = theQueue.getNextEvent();
					Object source = event.getSource();
					if(event instanceof ActiveEvent) {
						((ActiveEvent) event).dispatch();
					}
					else if(source instanceof Component) {
						((Component) source).dispatchEvent(event);
					}
					else if(source instanceof MenuComponent) {
						((MenuComponent) source).dispatchEvent(event);
					}
					else {
						System.err.println("Unable to dispatch: " + event);
					}
				}
			}
			else {
				while(isVisible()) {
					wait();
				}
			}
		}
		catch(InterruptedException ignored) {
		}
	}

	private synchronized void stopModal() {
		notifyAll();
	}

	public static void main(String args[]) {
		final JFrame frame = new JFrame("Modal Internal Frame");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		final JDesktopPane desktop = new JDesktopPane();

		ActionListener showModal = new ActionListener() {
			Integer ZERO = new Integer(0);
			Integer ONE = new Integer(1);

			public void actionPerformed(ActionEvent e) {
				// Manually construct an input popup
				JOptionPane optionPane = new JOptionPane("Print?", JOptionPane.QUESTION_MESSAGE,
					JOptionPane.YES_NO_OPTION);

				// Construct a message internal frame popup
				// JInternalFrame modal = new ModalInternalFrame("Really Modal", frame.getRootPane(), desktop,
				// optionPane);
				// modal.setSize( new Dimension(400,400) );

				JPanel p = new JPanel();
				p.add(new JLabel("ppppp"));
				p.setSize(new Dimension(400, 400));

				JInternalFrame modal = new ModalInternalFrame("Really Modal", frame.getRootPane(),
					desktop);
				modal.setClosable(true);
				modal.setSize(new Dimension(300, 300));
				modal.setPreferredSize(new Dimension(300, 300));
				modal.setMinimumSize(new Dimension(300, 300));
				modal.getContentPane().add(p);

				// JInternalFrame modal = new ModalInternalFrame("Really Modal", frame.getRootPane(), desktop );
				// modal.setSize( 400, 400 );
				// modal.getContentPane().setLayout( new BorderLayout() );
				// modal.getContentPane().add( new JLabel("testing") );

				modal.setVisible(true);

				Object value = optionPane.getValue();
				if(value.equals(ZERO)) {
					System.out.println("Selected Yes");
				}
				else if(value.equals(ONE)) {
					System.out.println("Selected No");
				}
				else {
					System.err.println("Input Error");
				}
			}
		};

		JInternalFrame internal = new JInternalFrame("Opener");
		desktop.add(internal);

		JInternalFrame internal2 = new JInternalFrame("Opener2");
		internal2.getContentPane().add(new JLabel("foo"));
		internal2.setBounds(25, 25, 200, 100);
		internal2.setVisible(true);

		desktop.add(internal2);

		JButton button = new JButton("Open");
		button.addActionListener(showModal);

		Container iContent = internal.getContentPane();
		iContent.add(button, BorderLayout.CENTER);
		internal.setBounds(25, 25, 200, 100);
		internal.setVisible(true);

		Container content = frame.getContentPane();
		content.add(desktop, BorderLayout.CENTER);
		frame.setSize(500, 300);
		frame.setVisible(true);
	}
}