GraphicalObject

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edu.southern.computing.oopj
Class GraphicalObject

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  edu.southern.computing.oopj.GraphicalObject

All Implemented Interfaces:: InteractiveArea, java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible

Direct Known Subclasses:: GraphicalText

public class GraphicalObject
extends javax.swing.JPanel
implements InteractiveArea
extends javax.swing.JPanel
implements InteractiveArea

GraphicalObjects are persistent visual images that users can manipulate within a viewport. Graphical objects can receive user input from the pointing device and keyboard.

See Also:: Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel
`javax.swing.JPanel.AccessibleJPanel`

Nested classes/interfaces inherited from class javax.swing.JComponent
`javax.swing.JComponent.AccessibleJComponent`

Nested classes/interfaces inherited from class java.awt.Container
`java.awt.Container.AccessibleAWTContainer`

Nested classes/interfaces inherited from class java.awt.Component
`java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, 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.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface edu.southern.computing.oopj.InteractiveArea
`BLACK, BLUE, CROSSHAIR, CYAN, DARK_GRAY, GRAY, GREEN, HAND, LIGHT_GRAY, MAGENTA, MOVE, ORANGE, PINK, RED, TRANSPARENT, VERSION, WHITE, YELLOW`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`GraphicalObject(int width, int height)` Creates a graphical object with a given width and height.

Method Summary
`void`	`addNotify()` Called when a graphical object is added to another graphical component such as a viewport or another graphical object.
`void`	`draw()` Called when this graphical object must be rendered within a viewport.
`void`	`drawLine(int startX, int startY, int endX, int endY)` Draws a line with the current drawing color.
`void`	`drawLine(int startX, int startY, int endX, int endY, java.awt.Color color)` Draws a line with the given color.
`void`	`drawOval(int left, int top, int width, int height)` Draws an oval with the current drawing color.
`void`	`drawOval(int left, int top, int width, int height, java.awt.Color color)` Draws an oval with the given color.
`void`	`drawPolygon(int... coords)` Draws a polygon with the current color.
`void`	`drawRectangle(int left, int top, int width, int height)` Draws a rectangle with the current drawing color.
`void`	`drawRectangle(int left, int top, int width, int height, java.awt.Color color)` Draws a rectangle with the given color.
`void`	`drawString(java.lang.String message, int x, int y)` Draws a string with the current color.
`void`	`fillOval(int left, int top, int width, int height)` Paints a filled oval with the current color.
`void`	`fillOval(int left, int top, int width, int height, java.awt.Color color)` Paints a filled oval with the given color.
`void`	`fillPolygon(int... coords)` Paints a filled polygon with the current color.
`void`	`fillRectangle(int left, int top, int width, int height)` Paints a filled rectangle with the current color.
`void`	`fillRectangle(int left, int top, int width, int height, java.awt.Color color)` Paints a filled rectangle with the given color.
`char`	`getKeyTyped()` Returns the key typed by the user during the latest keyboard interaction event.
`int`	`getMouseX()` Returns the x position of the latest mouse event.
`int`	`getMouseY()` Returns the y position of the latest mouse event.
`boolean`	`isMovable()` Indicates if the user can move the object.
`void`	`keyPressed(java.awt.event.KeyEvent e)` Called when the user presses down a key when the graphical object has the keyboard focus.
`void`	`keyReleased(java.awt.event.KeyEvent e)` Called when the user releases a pressed down a key when the graphical object has the keyboard focus.
`void`	`keyTyped()` Called when the user presses and releases a key when the graphical object has the keyboard focus.
`void`	`keyTyped(java.awt.event.KeyEvent e)` Called when the user presses and releases a key when the graphical object has the keyboard focus.
`void`	`mouseClicked()` Called when the user presses and releases a mouse button when the pointer is over the graphical object.
`void`	`mouseClicked(java.awt.event.MouseEvent e)` Called when the user presses and releases a mouse button when the pointer is over the graphical object.
`void`	`mouseDragged()` Called when the user drags the mouse when the pointer is over the graphical object.
`void`	`mouseDragged(java.awt.event.MouseEvent e)` Called when the user drags the mouse when the pointer is over the graphical object.
`void`	`mouseEntered()` Called when the user moves the pointer into the graphical object.
`void`	`mouseEntered(java.awt.event.MouseEvent e)` Called when the user moves the pointer into the graphical object.
`void`	`mouseExited()` Called when the user moves the pointer out of the graphical object.
`void`	`mouseExited(java.awt.event.MouseEvent e)` Called when the user moves the pointer out of the graphical object.
`void`	`mouseMoved()` Called when the user moves the mouse when the pointer is over the graphical object.
`void`	`mouseMoved(java.awt.event.MouseEvent e)` Called when the user moves the mouse when the pointer is over the graphical object.
`void`	`mousePressed()` Called when the user presses a mouse button when the pointer is over the graphical object.
`void`	`mousePressed(java.awt.event.MouseEvent e)` Called when the user presses a mouse button when the pointer is over the graphical object.
`void`	`mouseReleased()` Called when the user releases a mouse button when the pointer is over the graphical object.
`void`	`mouseReleased(java.awt.event.MouseEvent e)` Called when the user releases a mouse button when the pointer is over the graphical object.
`void`	`paintComponent(java.awt.Graphics g)` Called when this graphical object must be rendered within a viewport.
`void`	`removeNotify()` Called when a graphical object is removed from its current containing graphical component.
`static int`	`round(double d)` Rounds the double to the nearest integer.
`void`	`setColor(java.awt.Color color)` Draws a rectangle with the current drawing color.
`void`	`setContextMenu(ContextMenu menu)` Attaches a given context menu to this graphical object/
`void`	`setMovable(boolean flag)` Determines if the user can move the object.
`protected void`	`updateRoot(GraphicalObject root)`
`void`	`visuallyUpdate()` Forces the redrawing of this graphical object.

Methods inherited from class javax.swing.JPanel
`getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI`

Methods inherited from class javax.swing.JComponent
addAncestorListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class javax.swing.JComponent

addAncestorListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, 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, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, 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, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

GraphicalObject

public GraphicalObject(int width,
                       int height)

Creates a graphical object with a given width and height.

Parameters:: width - the width of the graphical object; height - the height of the graphical object

Method Detail

updateRoot

protected void updateRoot(GraphicalObject root)

Parameters:: root -

addNotify

public void addNotify()

Called when a graphical object is added to another graphical component such as a viewport or another graphical object.

Overrides:: addNotify in class javax.swing.JComponent

removeNotify

public void removeNotify()

Called when a graphical object is removed from its current containing graphical component.

Overrides:: removeNotify in class javax.swing.JComponent

setColor

public void setColor(java.awt.Color color)

Draws a rectangle with the current drawing color. This method should only be called from within the draw() method, or other methods called from the draw() method.

Parameters:: color - the new drawing color.

drawLine

public void drawLine(int startX,
                     int startY,
                     int endX,
                     int endY,
                     java.awt.Color color)

Draws a line with the given color.

drawLine

public void drawLine(int startX,
                     int startY,
                     int endX,
                     int endY)

Draws a line with the current drawing color.

drawRectangle

public void drawRectangle(int left,
                          int top,
                          int width,
                          int height,
                          java.awt.Color color)

Draws a rectangle with the given color.

drawRectangle

public void drawRectangle(int left,
                          int top,
                          int width,
                          int height)

Draws a rectangle with the current drawing color.

fillRectangle

public void fillRectangle(int left,
                          int top,
                          int width,
                          int height,
                          java.awt.Color color)

Paints a filled rectangle with the given color.

fillRectangle

public void fillRectangle(int left,
                          int top,
                          int width,
                          int height)

Paints a filled rectangle with the current color.

drawOval

public void drawOval(int left,
                     int top,
                     int width,
                     int height,
                     java.awt.Color color)

Draws an oval with the given color.

drawOval

public void drawOval(int left,
                     int top,
                     int width,
                     int height)

Draws an oval with the current drawing color.

fillOval

public void fillOval(int left,
                     int top,
                     int width,
                     int height,
                     java.awt.Color color)

Paints a filled oval with the given color.

fillOval

public void fillOval(int left,
                     int top,
                     int width,
                     int height)

Paints a filled oval with the current color.

drawPolygon

public void drawPolygon(int... coords)

Draws a polygon with the current color. Pass the (x,y) coordinates of the polygon's vertices: x1, y1, x2, y2, x3, y3, ...

fillPolygon

public void fillPolygon(int... coords)

Paints a filled polygon with the current color. Pass the (x,y) coordinates of the polygon's vertices: x1, y1, x2, y2, x3, y3, ...

drawString

public void drawString(java.lang.String message,
                       int x,
                       int y)

Draws a string with the current color.

setMovable

public void setMovable(boolean flag)

Determines if the user can move the object.

isMovable

public boolean isMovable()

Indicates if the user can move the object.

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Called when the user presses and releases a mouse button when the pointer is over the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Called when the user moves the pointer into the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Called when the user moves the pointer out of the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Called when the user presses a mouse button when the pointer is over the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Called when the user releases a mouse button when the pointer is over the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mouseReleased in interface java.awt.event.MouseListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Called when the user drags the mouse when the pointer is over the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Called when the user moves the mouse when the pointer is over the graphical object. Subclasses normally override the parameterless version of this method.

Specified by:: mouseMoved in interface java.awt.event.MouseMotionListener

mouseClicked

public void mouseClicked()

Called when the user presses and releases a mouse button when the pointer is over the graphical object.

mouseEntered

public void mouseEntered()

Called when the user moves the pointer into the graphical object.

mouseExited

public void mouseExited()

Called when the user moves the pointer out of the graphical object.

mousePressed

public void mousePressed()

Called when the user presses a mouse button when the pointer is over the graphical object.

mouseReleased

public void mouseReleased()

Called when the user releases a mouse button when the pointer is over the graphical object.

mouseDragged

public void mouseDragged()

Called when the user drags the mouse when the pointer is over the graphical object.

mouseMoved

public void mouseMoved()

Called when the user moves the mouse when the pointer is over the graphical object.

getMouseX

public int getMouseX()

Returns the x position of the latest mouse event.

getMouseY

public int getMouseY()

Returns the y position of the latest mouse event.

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Called when the user presses down a key when the graphical object has the keyboard focus.

Specified by:: keyPressed in interface java.awt.event.KeyListener

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Called when the user releases a pressed down a key when the graphical object has the keyboard focus.

Specified by:: keyReleased in interface java.awt.event.KeyListener

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Called when the user presses and releases a key when the graphical object has the keyboard focus. Subclasses normally override the parameterless version of this method.

Specified by:: keyTyped in interface java.awt.event.KeyListener

keyTyped

public void keyTyped()

Called when the user presses and releases a key when the graphical object has the keyboard focus.

getKeyTyped

public char getKeyTyped()

Returns the key typed by the user during the latest keyboard interaction event.

Returns:: the key typed by the user during the latest keyboard interaction event

paintComponent

public void paintComponent(java.awt.Graphics g)

Called when this graphical object must be rendered within a viewport. Subclasses normally override draw() instead of this method.

Overrides:: paintComponent in class javax.swing.JComponent

draw

public void draw()

Called when this graphical object must be rendered within a viewport. Subclasses should override this method to provide custom drawing behavior.

visuallyUpdate

public void visuallyUpdate()

Forces the redrawing of this graphical object.

setContextMenu

public void setContextMenu(ContextMenu menu)

Attaches a given context menu to this graphical object/

Specified by:: setContextMenu in interface InteractiveArea

Parameters:: menu - the context menu to attach.

round

public static int round(double d)

Rounds the double to the nearest integer.

Parameters:: d - the double value to round.
Returns:: the rounded value of d.

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edu.southern.computing.oopj Class GraphicalObject

GraphicalObject

updateRoot

addNotify

removeNotify

setColor

drawLine

drawLine

drawRectangle

drawRectangle

fillRectangle

fillRectangle

drawOval

drawOval

fillOval

fillOval

drawPolygon

fillPolygon

drawString

setMovable

isMovable

mouseClicked

mouseEntered

mouseExited

mousePressed

mouseReleased

mouseDragged

mouseMoved

mouseClicked

mouseEntered

mouseExited

mousePressed

mouseReleased

mouseDragged

mouseMoved

getMouseX

getMouseY

keyPressed

keyReleased

keyTyped

keyTyped

getKeyTyped

paintComponent

draw

visuallyUpdate

setContextMenu

round

edu.southern.computing.oopj
Class GraphicalObject