zinger.nibbles
Class Field.Plotter

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Canvas
              |
              +--zinger.nibbles.Field.Plotter

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

Enclosing class:

Field

public class Field.Plotter

extends java.awt.Canvas

This class separates data that is stored in its parent class from the presentation of that data. The actual implementation is not crucial, except for the fact that it should be efficient. Perhaps in the future this will be substituted by an interface or an abstract class.

See Also:

Serialized Form

Inner classes inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.AWTTreeLock

Field Summary

protected java.awt.Image	bgImage Image used for double buffering.
private int	cellHeight
private int	cellWidth
private Field.GridChange	lastChange

Fields inherited from class java.awt.Canvas

base, nameCounter, serialVersionUID

Fields inherited from class java.awt.Component

accessibleContext, actionListenerK, adjustmentListenerK, appContext, background, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, changeSupport, componentListener, componentListenerK, componentOrientation, componentSerializedDataVersion, containerListenerK, cursor, dbg, dropTarget, enabled, eventMask, focusListener, focusListenerK, font, foreground, graphicsConfig, hasFocus, height, hierarchyBoundsListener, hierarchyBoundsListenerK, hierarchyListener, hierarchyListenerK, incRate, inputMethodListener, inputMethodListenerK, isInc, isPacked, itemListenerK, keyListener, keyListenerK, LEFT_ALIGNMENT, locale, LOCK, metrics, minSize, mouseListener, mouseListenerK, mouseMotionListener, mouseMotionListenerK, name, nameExplicitlySet, newEventsOnly, ownedWindowK, parent, peer, peerFont, popups, prefSize, privateKey, RIGHT_ALIGNMENT, textListenerK, TOP_ALIGNMENT, valid, visible, width, windowClosingException, windowListenerK, x, y

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

Field.Plotter()

Method Summary

protected int	getCellHeight()
protected int	getCellWidth()
void	paint(java.awt.Graphics g) Paints all of available data in the parent class, not just the increments.
protected void	paintIncremental(java.awt.Graphics g) Draws into g incremental updates stored in the parent class.
(package private) void	replot() This is the key method that gets called when we need to update the presentation because of an incremental data change.
void	setSize(java.awt.Dimension size) Makes sure pre-calculated information gets reassessed when component is resized.
void	update(java.awt.Graphics g) First time bgImage initialization and double buffering logic here.
protected int	xToCoord(int x) Converts grid measurements to pixel measurements along X-axis.
protected int	yToCoord(int y) Converts grid measurements to pixel measurements along Y-axis.

Methods inherited from class java.awt.Canvas

, addNotify, constructComponentName, getAccessibleContext, postsOldMouseEvents

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, areInputMethodsEnabled, bounds, checkGD, checkImage, checkImage, checkWindowClosingException, coalesceEvents, contains, contains, createChildHierarchyEvents, createHierarchyEvents, createImage, createImage, deliverEvent, disable, disableEvents, dispatchEvent, dispatchEventImpl, doLayout, enable, enable, enableEvents, enableInputMethods, eventEnabled, firePropertyChange, getAccessibleIndexInParent, getAccessibleStateSet, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentOrientation, getCursor, getDropTarget, getFont_NoClientCode, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen_NoTreeLock, getLocationOnScreen, getMaximumSize, getMinimumSize, getName, getNativeContainer, getParent_NoClientCode, getParent, getPeer, getPreferredSize, getSize, getSize, getToolkit, getToolkitImpl, getTreeLock, getWidth, getWindowForObject, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, initIDs, inside, invalidate, isDisplayable, isDoubleBuffered, isEnabled, isEnabledImpl, isFocusTraversable, isLightweight, isOpaque, isRecursivelyVisible, isShowing, isValid, isVisible, keyDown, keyUp, layout, lightweightPaint, lightweightPrint, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, numListening, paintAll, paintHeavyweightComponents, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, printHeavyweightComponents, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, readObject, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, resetGC, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFont, setForeground, setLocale, setLocation, setLocation, setName, setSize, setVisible, show, show, size, toString, transferFocus, validate, writeObject

Methods inherited from class java.lang.Object

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

Field Detail

bgImage

protected java.awt.Image bgImage

Image used for double buffering.

cellWidth

private int cellWidth

cellHeight

private int cellHeight

lastChange

private Field.GridChange lastChange

Constructor Detail

Field.Plotter

public Field.Plotter()

Method Detail

replot

void replot()

This is the key method that gets called when we need to update the presentation because of an incremental data change. Here we are dependent on efficiently stored incremental change information in the parent class.

paintIncremental

protected void paintIncremental(java.awt.Graphics g)

Draws into g incremental updates stored in the parent class.

update

public void update(java.awt.Graphics g)

First time bgImage initialization and double buffering logic here. During an incremental update, paint(Graphics) does not get called.

Overrides:

update in class java.awt.Component

See Also:

paint(java.awt.Graphics)

paint

public void paint(java.awt.Graphics g)

Paints all of available data in the parent class, not just the increments.

Overrides:

paint in class java.awt.Canvas

setSize

public void setSize(java.awt.Dimension size)

Makes sure pre-calculated information gets reassessed when component is resized.

Overrides:

setSize in class java.awt.Component

getCellWidth

protected int getCellWidth()

getCellHeight

protected int getCellHeight()

xToCoord

protected int xToCoord(int x)

Converts grid measurements to pixel measurements along X-axis.

yToCoord

protected int yToCoord(int y)

Converts grid measurements to pixel measurements along Y-axis.