001 /*
002 * BetterBoard.java
003 * Part of the Scribble problem set.
004 *
005 * Developed for "Rethinking CS101", a project of Lynn Andrea Stein's AP Group.
006 * For more information, see http://www.ai.mit.edu/projects/cs101, the
007 * CS101 homepage or email las@ai.mit.edu.
008 *
009 * Copyright (C) 1998 Massachusetts Institute of Technology.
010 * Please do not redistribute without obtaining permission.
011 */
012
013 package scribble;
014
015 import java.awt.event.*;
016 import java.awt.*;
017 import cs101.util.Coerce;
018
019 /**
020 * BetterBoard connects the Whiteboard's clear and color selector GUI
021 * elements to the ScribbleCanvas. As opposed to Whiteboard, the
022 * clear button and the color selector actually work as you might
023 * expect.
024 *
025 * <P>Copyright (c) 1998 Massachusetts Institute of Technology
026 *
027 * @author Lynn Andrea Stein, las@ai.mit.edu
028 * @author Todd C. Parnell, tparnell@ai.mit.edu
029 * @version $Id: BetterBoard.java,v 1.4 2003/03/28 16:55:04 gus Exp $
030 */
031 public class BetterBoard extends Whiteboard {
032
033 /** Constructs a BetterBoard with a new SmartCanvas. */
034 public BetterBoard() {
035 this(new ScribbleCanvas());
036 }
037
038 /**
039 * Constructs a BetterBoard with with given SmartCanvas. Connects
040 * the color selector and clear buttons to the SmartCanvas.
041 */
042 public BetterBoard(ScribbleCanvas myScribbleCanvas) {
043 super(myScribbleCanvas);
044
045 this.clearButton.addActionListener(new ActionListener() {
046 public void actionPerformed(ActionEvent ae) {
047 ((ScribbleCanvas)drawingArea).clearLines();
048 }
049 });
050 this.colorChoice.addItemListener(new ItemListener() {
051 public void itemStateChanged(ItemEvent ie) {
052 ((ScribbleCanvas)drawingArea).setColor(Coerce.stringToColor
053 (colorChoice.getSelectedItem()));
054 }
055 });
056 }
057 }
058
059 /*
060 * $Log: BetterBoard.java,v $
061 * Revision 1.4 2003/03/28 16:55:04 gus
062 * new name for Coerce method
063 *
064 * Revision 1.3 2003/02/26 22:14:05 gus
065 * Reformat
066 *
067 * Revision 1.2 2003/02/26 22:12:02 gus
068 * Made the import statements specific rather than using *'s
069 *
070 * Revision 1.1.1.1 2002/06/05 21:56:35 root
071 * CS101 comes to Olin finally.
072 *
073 * Revision 1.1 2000/05/06 22:30:57 mharder
074 * Moved to scribble subdirectory.
075 *
076 * Revision 1.5 1998/07/24 16:44:50 tparnell
077 * Placate new javadoc behavior
078 *
079 * Revision 1.4 1998/07/21 14:09:03 tparnell
080 * minor bugfixes necessary b/c 1.2 complier is more picky
081 *
082 * Revision 1.3 1998/07/20 18:55:31 tparnell
083 * Added javadoc and logging. Minor code mods for greater consistency
084 * between files.
085 *
086 */