/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2000 Michael Powers

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/

package net.wotonomy.ui.swing;

import java.awt.BorderLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.table.TableColumn;

import net.wotonomy.foundation.NSMutableArray;
import net.wotonomy.foundation.NSNotification;
import net.wotonomy.foundation.NSNotificationCenter;
import net.wotonomy.foundation.NSSelector;
import net.wotonomy.ui.EOAssociation;
import net.wotonomy.ui.EODisplayGroup;
import net.wotonomy.ui.swing.components.FormattedCellRenderer;
import net.wotonomy.ui.swing.util.ObjectInspector;
import net.wotonomy.ui.swing.util.StackTraceInspector;
import net.wotonomy.ui.swing.util.WindowUtilities;
import net.wotonomy.control.internal.Surrogate;

/**
 * The NotificationInspector displays a JFrame that displays notifications as
 * they occur. <br>
 * <br>
 *
 * @author michael@mpowers.net
 * @version $Revision: 904 $
 */

public class NotificationInspector implements MouseListener, ActionListener {
	protected JTable table;
	protected JPopupMenu popupMenu;
	protected EODisplayGroup displayGroup;

	// key command to copy contents to clipboard
	static public final String COPY = "COPY";

	protected static final String CLEAR_ALL = "Clear All";
	protected static final String CLEAR_SELECTED = "Clear Selected";

	/**
	 * Displays all notifications on the default notification center.
	 */
	public NotificationInspector() {
		this(NSNotificationCenter.defaultCenter());
	}

	/**
	 * Displays all notifications from the specified notification center.
	 */
	public NotificationInspector(NSNotificationCenter aCenter) {
		this(aCenter, null, null);
	}

	/**
	 * Displays notifications from the default notification center using the
	 * specified name and object filters.
	 */
	public NotificationInspector(String notificationName, Object anObject) {
		this(NSNotificationCenter.defaultCenter(), notificationName, anObject);
	}

	/**
	 * Displays notifications on the specified notification center using the
	 * specified name and object filters.
	 */
	public NotificationInspector(NSNotificationCenter aCenter, String notificationName, Object anObject) {
		// show stack traces
		NSNotification.showStack = true;

		// register for notifications
		NSSelector handleNotification = new NSSelector("handleNotification", new Class[] { NSNotification.class });
		aCenter.addObserver(this, handleNotification, notificationName, anObject);

		table = new JTable();

		popupMenu = new JPopupMenu();
		JMenuItem menuItem = popupMenu.add(CLEAR_SELECTED);
		menuItem.addActionListener(this);
		menuItem = popupMenu.add(CLEAR_ALL);
		menuItem.addActionListener(this);

		displayGroup = new EODisplayGroup();

		TableColumn column;
		TableColumnAssociation assoc;

		column = new TableColumn();
		column.setHeaderValue("Time");
		column.setCellRenderer(new FormattedCellRenderer(new SimpleDateFormat("hh:mm:ss:SS")));
		column.setPreferredWidth(90);
		column.setMaxWidth(90);

		assoc = new TableColumnAssociation(column);
		assoc.bindAspect(EOAssociation.ValueAspect, displayGroup, "time");
		assoc.setTable(table);
		assoc.establishConnection();

		column = new TableColumn();
		column.setHeaderValue("Type");

		assoc = new TableColumnAssociation(column);
		assoc.bindAspect(EOAssociation.ValueAspect, displayGroup, "name");
		assoc.setTable(table);
		assoc.establishConnection();

		column = new TableColumn();
		column.setHeaderValue("Object");

		assoc = new TableColumnAssociation(column);
		assoc.bindAspect(EOAssociation.ValueAspect, displayGroup, "objectString");
		assoc.setTable(table);
		assoc.establishConnection();

		column = new TableColumn();
		column.setHeaderValue("Info");

		assoc = new TableColumnAssociation(column);
		assoc.bindAspect(EOAssociation.ValueAspect, displayGroup, "userInfoString");
		assoc.setTable(table);
		assoc.establishConnection();

		initLayout();
	}

	protected void initLayout() {
		table.addMouseListener(this); // listen for double-clicks

		JPanel panel = new JPanel();
		panel.setBorder(new EmptyBorder(new Insets(10, 10, 10, 10)));
		panel.setLayout(new BorderLayout(10, 10));

		JScrollPane scrollPane = new JScrollPane(table);
		// scrollPane.setPreferredSize( new Dimension( 500, 250 ) );
		panel.add(scrollPane, BorderLayout.CENTER);

		JFrame window = new JFrame();
		window.setTitle("Notification Inspector");
		window.getContentPane().add(panel);

		// window.pack();
		window.setSize(800, 400);
		WindowUtilities.cascade(window);

		// size the columns.
//        table.getColumnModel().getColumn( 0 ).setPreferredWidth( 100 );

		window.show();
	}

	/**
	 * Handles the notification.
	 */
	public void handleNotification(NSNotification aNotification) {
		Surrogate s = new Surrogate(new Object[] { aNotification });
		s.directPut("time", new Date());
		s.directPut("objectString", "" + aNotification.object()); // snapshot of state
		s.directPut("userInfoString", "" + aNotification.userInfo()); // snapshot of info
		displayGroup.insertObjectAtIndex(s, 0);
	}

	// interface ActionListener

	/**
	 * Method used to listen for the action event from the popup menu items.
	 */
	public void actionPerformed(ActionEvent e) {
		if (CLEAR_SELECTED.equals(e.getActionCommand())) {
			NSMutableArray objects = new NSMutableArray(displayGroup.allObjects());
			objects.removeAll(displayGroup.selectedObjects());
			displayGroup.setObjectArray(objects);
			displayGroup.updateDisplayedObjects();
		} else if (CLEAR_ALL.equals(e.getActionCommand())) {
			displayGroup.setObjectArray(null);
			displayGroup.updateDisplayedObjects();
		}
	}

	// interface MouseListener

	/**
	 * Double click to launch object inspector.
	 */

	public void mouseClicked(MouseEvent e) {
		if (e.getSource() == table) {
			if (e.getClickCount() > 1) {
				int row = table.rowAtPoint(e.getPoint());
				int col = table.columnAtPoint(e.getPoint());
				col = table.convertColumnIndexToModel(col);

				if (row == -1)
					return;

				if (col == 0) // time
				{
					new StackTraceInspector(
							((NSNotification) ((Surrogate) displayGroup.displayedObjects().objectAtIndex(row))
									.getDelegate()).stackTrace());
				} else if (col == 2) // object
				{
					new ObjectInspector(
							((NSNotification) ((Surrogate) displayGroup.displayedObjects().objectAtIndex(row))
									.getDelegate()).object());
				} else if (col == 3) // info
				{
					new ObjectInspector(
							((NSNotification) ((Surrogate) displayGroup.displayedObjects().objectAtIndex(row))
									.getDelegate()).userInfo());
				} else {
					new ObjectInspector(((Surrogate) displayGroup.displayedObjects().objectAtIndex(row)).getDelegate());
				}
			} else {
				// Click count is 1 then, check for popup trigger.
				if (e.isPopupTrigger()) {
					popupMenu.show(table, e.getX(), e.getY());
				}
			}
		}
	}

	public void mouseReleased(MouseEvent e) {
		if (e.getSource() == table) {
			if (e.isPopupTrigger() && (e.getClickCount() == 1)) {
				popupMenu.show(table, e.getX(), e.getY());
			}
		}
	}

	public void mousePressed(MouseEvent e) {
		if (e.getSource() == table) {
			if (e.isPopupTrigger() && (e.getClickCount() == 1)) {
				popupMenu.show(table, e.getX(), e.getY());
			}
		}
	}

	public void mouseEntered(MouseEvent e) {
	}

	public void mouseExited(MouseEvent e) {
	}

}

/*
 * $Log$ Revision 1.2 2006/02/18 23:19:05 cgruber Update imports and maven
 * dependencies.
 *
 * Revision 1.1 2006/02/16 13:22:23 cgruber Check in all sources in
 * eclipse-friendly maven-enabled packages.
 *
 * Revision 1.6 2003/08/06 23:07:52 chochos general code cleanup (mostly,
 * removing unused imports)
 *
 * Revision 1.5 2002/11/18 22:11:51 mpowers rglista's long-overdue enhancements:
 * can now clear the display!
 *
 * Revision 1.4 2002/10/24 18:19:03 mpowers Now telling NSNotification to
 * generate stack traces.
 *
 * Revision 1.3 2001/04/29 22:02:45 mpowers Work on id transposing between
 * editing contexts.
 *
 * Revision 1.2 2001/04/09 21:40:25 mpowers Numerous usability enhancements.
 *
 * Revision 1.1 2001/04/08 20:58:45 mpowers Contributing notification inspector.
 *
 *
 */