edu.mit.sketch.system
Class SurfaceView

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JPanel
                          |
                          +--edu.mit.sketch.ui.SketchPanel
                                |
                                +--edu.mit.sketch.system.SurfaceView

All Implemented Interfaces:

Accessible, ImageObserver, MenuContainer, Observer, Serializable

public class SurfaceView

extends SketchPanel

implements Observer

This is the core class responsible for displaying the information currently on the BB to the user. It employs a renderer to display the individual items. It observes the BB and is updated anytime that the BB is.

Since the SurfaceView is a SketchPanel other classes can register to listen for new stroke events that it will fire when it detects new inputs.

Created: Mon Nov 5 13:00:16 2001
Copyright: Copyright (C) 2001 by MIT. All rights reserved.

See Also:

Serialized Form

Inner classes inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Inner classes inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Inner classes inherited from class java.awt.Container

Container.AccessibleAWTContainer

Inner classes inherited from class java.awt.Component

Component.AccessibleAWTComponent

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

SurfaceView()

Method Summary

Color	getStrokeColor() Gets the color of strokes
int	getStrokeThickness() Gets the thickness of rendered strokes.
void	paintComponent(Graphics g) Paint the items on the appropriate graphics context.
void	setStrokeColor(Color argStrokeColor) Sets the stroke's color
void	setStrokeThickness(int argThickness) Sets the thickness of rendered strokes.
void	update(Observable observable, Object data) This is called when the BB is updated and wants to update the display.
void	updateItems(Blackboard bb)

Methods inherited from class edu.mit.sketch.ui.SketchPanel

addStrokeDataListener, isPaintingAsWeGo, isRecognizing, removeStrokeDataListener, setIsPaintingAsWeGo, setIsRecognizing

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUIClassID, paramString, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setLayout, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, imageUpdate, inside, isDisplayable, isEnabled, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SurfaceView

public SurfaceView()

Method Detail

update

public void update(Observable observable,
                   Object data)

This is called when the BB is updated and wants to update the display. Other methods should not call this method. Instead they should use updateItems(edu.mit.sketch.system.Blackboard).

Specified by:

update in interface Observer

Parameters:

observerable - The Observable that changed

data - The message passed from the model

updateItems

public void updateItems(Blackboard bb)

paintComponent

public void paintComponent(Graphics g)

Paint the items on the appropriate graphics context. It delegates the painting to the current renderer.

Overrides:

paintComponent in class JComponent

getStrokeColor

public Color getStrokeColor()

Gets the color of strokes

Returns:

the color of strokes

setStrokeColor

public void setStrokeColor(Color argStrokeColor)

Sets the stroke's color

Parameters:

argStrokeColor - The stroke's color

getStrokeThickness

public int getStrokeThickness()

Gets the thickness of rendered strokes.

Returns:

the thichness of strokes

setStrokeThickness

public void setStrokeThickness(int argThickness)

Sets the thickness of rendered strokes.

Parameters:

argThickness - thickness of rendered strokes