edu.hawaii.ics.yucheng
Class GraphBox

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  edu.hawaii.ics.yucheng.GraphBox

All Implemented Interfaces:

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

 class GraphBox
extends javax.swing.JPanel

A component that displays a graph and possibly a solution.

Nested Class Summary

(package private) class	GraphBox.Delegate A class that shows information about the loaded graph through a popup window.
private static class	GraphBox.Theme A collection of colors, fonts, and strokes.

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.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

private static int	MAX_DISPLAYED_EDGES The maximum number of edges displayed.
private java.awt.Dimension	myCachedSize
(package private) Graph	myGraph The displayed graph.
private javax.swing.JLabel	myHelpIcon
private float	myMaxWeight
private float	myMinWeight
(package private) GraphSolution	mySolution The displayed graph solution.
private javax.swing.JLabel	myStatusLabel
private java.awt.Dimension	myVertexSize
private java.util.ArrayList<java.awt.Point>	myXY

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

GraphBox()
Initializes a new instance of the class.

Method Summary

private void	computeVertexLocations() Computes the drawing information based on the assigned graph.
private static void	drawCentered(java.awt.Component component, java.awt.Graphics g, java.lang.String text) Draws text centered in a component.
private static void	drawCentered(java.awt.Graphics g, java.lang.String text, int x, int y) Draws text centered at a location.
private static java.lang.String	formatWeight(float weight) Formats the weight value as text.
private java.awt.Color	getScaledColor(float weight) Returns a color based on a weight.
private java.awt.Color	getScaledColorByPercent(float percent) Returns a color based on a percentage.
void	paint(java.awt.Graphics g) Paints the component.
private void	paintBorder(java.awt.Graphics2D g) Draws a border around the component.
private void	paintEdges(java.awt.Graphics2D g) Draws the edges.
private void	paintNoGraph(java.awt.Graphics2D g) Draws the component when no graph is loaded.
private void	paintScale(java.awt.Graphics2D g) Draws the scale.
private void	paintVertices(java.awt.Graphics2D g) Draws the vertices.
void	reset() Resets the graph.
void	setBounds(java.awt.Rectangle r) Moves and resizes this component to conform to the new bounding rectangle r.
void	setGraph(Graph g) Sets the graph to display.
void	setSolution(GraphSolution solution) Sets the solution.
private static java.awt.Graphics2D	startAntialiasing(java.awt.Graphics g) Updates the graphics object to use antialiasing.
private void	updateInformationArea() Sets the information area.

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, 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, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, 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.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, 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

Field Detail

MAX_DISPLAYED_EDGES

private static final int MAX_DISPLAYED_EDGES

The maximum number of edges displayed.

See Also:

Constant Field Values

myCachedSize

private java.awt.Dimension myCachedSize

myGraph

Graph myGraph

The displayed graph.

myHelpIcon

private final javax.swing.JLabel myHelpIcon

myMaxWeight

private float myMaxWeight

myMinWeight

private float myMinWeight

mySolution

GraphSolution mySolution

The displayed graph solution.

myStatusLabel

private final javax.swing.JLabel myStatusLabel

myVertexSize

private java.awt.Dimension myVertexSize

myXY

private final java.util.ArrayList<java.awt.Point> myXY

Constructor Detail

GraphBox

public GraphBox()

Initializes a new instance of the class.

Method Detail

drawCentered

private static void drawCentered(java.awt.Component component,
                                 java.awt.Graphics g,
                                 java.lang.String text)

Draws text centered in a component.

Parameters:

component - The component.

g - The graphics object.

text - The text.

drawCentered

private static void drawCentered(java.awt.Graphics g,
                                 java.lang.String text,
                                 int x,
                                 int y)

Draws text centered at a location.

Parameters:

g - The graphics object.

text - The text.

x - The horizontal location.

y - The vertical location.

formatWeight

private static java.lang.String formatWeight(float weight)

Formats the weight value as text.

Parameters:

weight - The weight.

Returns:

A String for the weight.

startAntialiasing

private static java.awt.Graphics2D startAntialiasing(java.awt.Graphics g)

Updates the graphics object to use antialiasing.

Parameters:

g - The graphics object.

Returns:

The graphics object casted to a 2D graphics object.

computeVertexLocations

private void computeVertexLocations()

Computes the drawing information based on the assigned graph.

getScaledColor

private java.awt.Color getScaledColor(float weight)

Returns a color based on a weight.

Parameters:

weight - The weight.

Returns:

A color.

getScaledColorByPercent

private java.awt.Color getScaledColorByPercent(float percent)

Returns a color based on a percentage.

Parameters:

percent - The percentage.

Returns:

A color.

paint

public void paint(java.awt.Graphics g)

Paints the component.

Overrides:

paint in class javax.swing.JComponent

Parameters:

g - The graphics object.

paintBorder

private void paintBorder(java.awt.Graphics2D g)

Draws a border around the component.

Parameters:

g - The graphics object.

paintEdges

private void paintEdges(java.awt.Graphics2D g)

Draws the edges.

Parameters:

g - The graphics object.

paintNoGraph

private void paintNoGraph(java.awt.Graphics2D g)

Draws the component when no graph is loaded.

Parameters:

g - The graphics object.

paintScale

private void paintScale(java.awt.Graphics2D g)

Draws the scale.

Parameters:

g - The graphics object.

paintVertices

private void paintVertices(java.awt.Graphics2D g)

Draws the vertices.

Parameters:

g - The graphics object.

reset

public void reset()

Resets the graph.

setBounds

public void setBounds(java.awt.Rectangle r)

Moves and resizes this component to conform to the new bounding rectangle r. This component's new position is specified by r.x and r.y, and its new size is specified by r.width and r.height

Overrides:

setBounds in class java.awt.Component

Parameters:

r - the new bounding rectangle for this component

setGraph

public void setGraph(Graph g)

Sets the graph to display.

Parameters:

g - The graph.

setSolution

public void setSolution(GraphSolution solution)

Sets the solution.

Parameters:

solution -

updateInformationArea

private void updateInformationArea()

Sets the information area.