JSci.swing

Class JBarGraph

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

JSci.swing.JDoubleBufferedComponent

JSci.swing.JCategoryGraph2D

JSci.swing.JBarGraph

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, GraphDataListener

Direct Known Subclasses:

JLayeredBarGraph, JStackedBarGraph

public class JBarGraph
extends JCategoryGraph2D

A bar graph Swing component. Multiple series are side-by-side.

Version:

1.0

Author:

Ismael Orenstein

See Also:

Serialized Form

Nested Class Summary

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

Modifier and Type	Field and Description
protected java.awt.Color[]	barColor Bar colors.
protected int	barPad Padding.
protected int	barWidth
protected float	maxY Min and max data points.
protected float	minY Min and max data points.
protected boolean	numbering Axis numbering.

Fields inherited from class JSci.swing.JCategoryGraph2D

axisPad, leftAxisPad, model, origin, scalePad

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

Constructors

Constructor and Description
JBarGraph(CategoryGraph2DModel cgm) Constructs a bar graph.

Method Summary

Methods

Modifier and Type	Method and Description
void	dataChanged(GraphDataEvent e) Implementation of GraphDataListener.
protected java.awt.Point	dataToScreen(float x, float y) Converts a data point to screen coordinates.
protected void	drawAxes(java.awt.Graphics g) Draws the graph axes.
protected void	drawBars(java.awt.Graphics g) Draws the graph bars.
protected void	offscreenPaint(java.awt.Graphics g) Paint the graph.
protected void	rescale() Rescales the JBarGraph.
protected java.awt.geom.Point2D.Float	screenToData(java.awt.Point p) Converts a screen point to data coordinates.
void	setBounds(int x, int y, int width, int height) Reshapes the JBarGraph to the specified bounding box.
void	setColor(int n, java.awt.Color c) Sets the bar color of the nth series.
void	setNumbering(boolean flag) Turns axis numbering on/off.

Methods inherited from class JSci.swing.JCategoryGraph2D

getMinimumSize, getModel, getPreferredSize, setModel

Methods inherited from class JSci.swing.JDoubleBufferedComponent

isDoubleBuffered, paint, print, redraw, setDoubleBuffered, update

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, 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, getNextFocusableComponent, getPopupLocation, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, 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, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, updateUI

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, 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, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

barColor

protected java.awt.Color[] barColor

Bar colors.

minY

protected float minY

Min and max data points.

maxY

protected float maxY

Min and max data points.

barWidth

protected int barWidth

barPad

protected final int barPad

Padding.

See Also:

Constant Field Values

numbering

protected boolean numbering

Axis numbering.

Constructor Detail

JBarGraph

public JBarGraph(CategoryGraph2DModel cgm)

Constructs a bar graph.

Method Detail

dataChanged

public void dataChanged(GraphDataEvent e)

Implementation of GraphDataListener.

Specified by:

dataChanged in interface GraphDataListener

Specified by:

dataChanged in class JCategoryGraph2D

setColor

public final void setColor(int n,
            java.awt.Color c)

Sets the bar color of the nth series.

Parameters:

n - the index of the series.

c - the line color.

setNumbering

public final void setNumbering(boolean flag)

Turns axis numbering on/off.

drawAxes

protected final void drawAxes(java.awt.Graphics g)

Draws the graph axes.

drawBars

protected void drawBars(java.awt.Graphics g)

Draws the graph bars.

offscreenPaint

protected final void offscreenPaint(java.awt.Graphics g)

Paint the graph.

Specified by:

offscreenPaint in class JDoubleBufferedComponent

setBounds

public final void setBounds(int x,
             int y,
             int width,
             int height)

Reshapes the JBarGraph to the specified bounding box.

Overrides:

setBounds in class java.awt.Component

rescale

protected final void rescale()

Rescales the JBarGraph.

dataToScreen

protected final java.awt.Point dataToScreen(float x,
                          float y)

Converts a data point to screen coordinates.

screenToData

protected final java.awt.geom.Point2D.Float screenToData(java.awt.Point p)

Converts a screen point to data coordinates.