Class World

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              World

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, ModelDisplay, java.io.Serializable

public class World

extends javax.swing.JComponent

implements ModelDisplay

Class to represent a 2d world that can hold turtles and display them Copyright Georgia Institute of Technology 2004

Author:

Barb Ericson ericson@cc.gatech.edu

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

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.Container

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

World()
Constructor that takes no arguments

World(boolean visibleFlag)
Constructor that takes a boolean to say if this world should be visible or not

World(int w, int h)
Constructor that takes a width and height for this world

Method Summary

void	addModel(java.lang.Object model) Method to add a model to this model displayer
void	clearBackground() Method to clear the background picture
boolean	containsTurtle(Turtle turtle) Method to check if this world contains the passed turtle
java.awt.Graphics	getGraphics() Method to get the graphics context for drawing on
int	getHeight() Method to get the height in pixels
Turtle	getLastTurtle() Metod to get the last turtle in this world
Picture	getPicture() Method to get the background picture
java.util.Iterator	getTurtleIterator() Method to get an iterator on the list of turtles
java.util.List	getTurtleList() Method to get the list of turtles in the world
int	getWidth() Method to get the width in pixels
void	hide() Method to hide the frame
void	modelChanged() Method that allows the model to notify the display
void	paintComponent(java.awt.Graphics g) Method to paint this component
void	remove(java.lang.Object model) Method to remove the passed object from the world
void	setAutoRepaint(boolean value) Method to set the automatically repaint flag
void	setPicture(Picture pict) Method to set the background picture
void	show() Method to show the frame
java.lang.String	toString() Method that returns information about this world in the form of a string

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, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, size, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

World

public World()

Constructor that takes no arguments

World

public World(boolean visibleFlag)

Constructor that takes a boolean to say if this world should be visible or not

Parameters:

visibleFlag - if true will be visible else if false will not be visible

World

public World(int w,
             int h)

Constructor that takes a width and height for this world

Parameters:

w - the width for the world

h - the height for the world

Method Detail

getGraphics

public java.awt.Graphics getGraphics()

Method to get the graphics context for drawing on

Specified by:

getGraphics in interface ModelDisplay

Returns:

the graphics context of the background picture

clearBackground

public void clearBackground()

Method to clear the background picture

Specified by:

clearBackground in interface ModelDisplay

getPicture

public Picture getPicture()

Method to get the background picture

Returns:

the background picture

setPicture

public void setPicture(Picture pict)

Method to set the background picture

Parameters:

pict - the background picture to use

paintComponent

public void paintComponent(java.awt.Graphics g)

Method to paint this component

Parameters:

g - the graphics context

getLastTurtle

public Turtle getLastTurtle()

Metod to get the last turtle in this world

Returns:

the last turtle added to this world

addModel

public void addModel(java.lang.Object model)

Method to add a model to this model displayer

Specified by:

addModel in interface ModelDisplay

Parameters:

model - the model object to add

containsTurtle

public boolean containsTurtle(Turtle turtle)

Method to check if this world contains the passed turtle

Returns:

true if there else false

remove

public void remove(java.lang.Object model)

Method to remove the passed object from the world

Specified by:

remove in interface ModelDisplay

Parameters:

model - the model object to remove

getWidth

public int getWidth()

Method to get the width in pixels

Specified by:

getWidth in interface ModelDisplay

Returns:

the width in pixels

getHeight

public int getHeight()

Method to get the height in pixels

Specified by:

getHeight in interface ModelDisplay

Returns:

the height in pixels

modelChanged

public void modelChanged()

Method that allows the model to notify the display

Specified by:

modelChanged in interface ModelDisplay

setAutoRepaint

public void setAutoRepaint(boolean value)

Method to set the automatically repaint flag

Parameters:

value - if true will auto repaint

hide

public void hide()

Method to hide the frame

show

public void show()

Method to show the frame

getTurtleList

public java.util.List getTurtleList()

Method to get the list of turtles in the world

Returns:

a list of turtles in the world

getTurtleIterator

public java.util.Iterator getTurtleIterator()

Method to get an iterator on the list of turtles

Returns:

an iterator for the list of turtles

toString

public java.lang.String toString()

Method that returns information about this world in the form of a string

Returns:

a string of information about this world