JSci.awt
Class BarGraph

java.lang.Object
  extended by java.awt.Component
      extended by java.awt.Container
          extended by javax.swing.JComponent
              extended by javax.swing.JPanel
                  extended by JSci.awt.DoubleBufferedCanvas
                      extended by JSci.awt.CategoryGraph2D
                          extended by JSci.awt.BarGraph
All Implemented Interfaces:
java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, GraphDataListener
Direct Known Subclasses:
LayeredBarGraph, StackedBarGraph

public class BarGraph
extends CategoryGraph2D

A bar graph AWT 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.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
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.awt.CategoryGraph2D
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
BarGraph(CategoryGraph2DModel cgm)
          Constructs a bar graph.
 
Method Summary
 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 BarGraph.
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 BarGraph 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.awt.CategoryGraph2D
getMinimumSize, getModel, getPreferredSize, setModel
 
Methods inherited from class JSci.awt.DoubleBufferedCanvas
paint, print, redraw, update
 
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, 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, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, 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
 
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

BarGraph

public BarGraph(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 CategoryGraph2D

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 DoubleBufferedCanvas

setBounds

public final void setBounds(int x,
                            int y,
                            int width,
                            int height)
Reshapes the BarGraph to the specified bounding box.

Overrides:
setBounds in class java.awt.Component

rescale

protected final void rescale()
Rescales the BarGraph.


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.