ChartPanel documentation

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org.jfree.chart

Class ChartPanel

public class ChartPanel
extends JPanel
implements ChartChangeListener, ChartProgressListener, ActionListener, MouseListener, MouseMotionListener, Printable, Serializable

A Swing GUI component for displaying a JFreeChart object.

The panel registers with the chart to receive notification of changes to any component of the chart. The chart is redrawn automatically whenever this notification is received.

SinceNot specified.

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Field Summary
static boolean	DEFAULT_BUFFER_USED Default setting for buffer usage.
static int	DEFAULT_HEIGHT The default panel height.
static int	DEFAULT_MAXIMUM_DRAW_HEIGHT The default limit below which chart scaling kicks in.
static int	DEFAULT_MAXIMUM_DRAW_WIDTH The default limit below which chart scaling kicks in.
static int	DEFAULT_MINIMUM_DRAW_HEIGHT The default limit below which chart scaling kicks in.
static int	DEFAULT_MINIMUM_DRAW_WIDTH The default limit below which chart scaling kicks in.
static int	DEFAULT_WIDTH The default panel width.
static int	DEFAULT_ZOOM_TRIGGER_DISTANCE The minimum size required to perform a zoom on a rectangle
protected static ResourceBundle	localizationResources The resourceBundle for the localization.
static String	PRINT_COMMAND Print action command.
static String	PROPERTIES_COMMAND Properties action command.
static String	SAVE_COMMAND Save action command.
static String	ZOOM_IN_BOTH_COMMAND Zoom in (both axes) action command.
static String	ZOOM_IN_DOMAIN_COMMAND Zoom in (domain axis only) action command.
static String	ZOOM_IN_RANGE_COMMAND Zoom in (range axis only) action command.
static String	ZOOM_OUT_BOTH_COMMAND Zoom out (both axes) action command.
static String	ZOOM_OUT_DOMAIN_COMMAND Zoom out (domain axis only) action command.
static String	ZOOM_OUT_RANGE_COMMAND Zoom out (range axis only) action command.
static String	ZOOM_RESET_BOTH_COMMAND Zoom reset (both axes) action command.
static String	ZOOM_RESET_DOMAIN_COMMAND Zoom reset (domain axis only) action command.
static String	ZOOM_RESET_RANGE_COMMAND Zoom reset (range axis only) action command.

Fields inherited from java.awtComponent
BOTTOM_ALIGNMENT CENTER_ALIGNMENT LEFT_ALIGNMENT RIGHT_ALIGNMENT TOP_ALIGNMENT

Fields inherited from javax.swingJComponent
accessibleContext listenerList TOOL_TIP_TEXT_KEY ui UNDEFINED_CONDITION WHEN_ANCESTOR_OF_FOCUSED_COMPONENT WHEN_FOCUSED WHEN_IN_FOCUSED_WINDOW

Constructor Summary
ChartPanel( JFreeChart chart ) Constructs a panel that displays the specified chart.
ChartPanel( JFreeChart chart, boolean useBuffer ) Constructs a panel containing a chart.
ChartPanel( JFreeChart chart, boolean properties, boolean save, boolean print, boolean zoom, boolean tooltips ) Constructs a JFreeChart panel.
ChartPanel( JFreeChart chart, int width, int height, int minimumDrawWidth, int minimumDrawHeight, int maximumDrawWidth, int maximumDrawHeight, boolean useBuffer, boolean properties, boolean save, boolean print, boolean zoom, boolean tooltips ) Constructs a JFreeChart panel.

Method Summary
void	actionPerformed( ActionEvent event ) Handles action events generated by the popup menu.
void	addChartMouseListener( ChartMouseListener listener ) Adds a listener to the list of objects listening for chart mouse events.
void	chartChanged( ChartChangeEvent event ) Receives notification of changes to the chart, and redraws the chart.
void	chartProgress( ChartProgressEvent event ) Receives notification of a chart progress event.
void	createChartPrintJob() Creates a print job for the chart.
protected JPopupMenu	createPopupMenu( boolean properties, boolean save, boolean print, boolean zoom ) Creates a popup menu for the panel.
protected void	displayPopupMenu( int x, int y ) The idea is to modify the zooming options depending on the type of chart being displayed by the panel.
void	doSaveAs() Opens a file chooser and gives the user an opportunity to save the chart in PNG format.
Point2D	getAnchor() Returns the anchor point.
JFreeChart	getChart() Returns the chart contained in the panel.
ChartRenderingInfo	getChartRenderingInfo() Returns the chart rendering info from the most recent chart redraw.
int	getDismissDelay() Returns the dismissal tooltip delay value used inside this chart panel.
ChartEntity	getEntityForPoint( int viewX, int viewY ) Returns the chart entity at a given point.
boolean	getFillZoomRectangle() Returns the flag that controls whether or not the zoom rectangle is filled when drawn.
boolean	getHorizontalAxisTrace() Returns the flag that controls whether or not a horizontal axis trace line is drawn over the plot area at the current mouse location.
protected Line2D	getHorizontalTraceLine() Returns the horizontal trace line.
int	getInitialDelay() Returns the initial tooltip delay value used inside this chart panel.
EventListener[]	getListeners( Class listenerType ) Returns an array of the listeners of the given type registered with the panel.
int	getMaximumDrawHeight() Returns the maximum drawing height for charts.
int	getMaximumDrawWidth() Returns the maximum drawing width for charts.
int	getMinimumDrawHeight() Returns the minimum drawing height for charts.
int	getMinimumDrawWidth() Returns the minimum drawing width for charts.
JPopupMenu	getPopupMenu() Returns the popup menu.
boolean	getRefreshBuffer() Returns the flag that controls whether or not the offscreen buffer needs to be refreshed.
int	getReshowDelay() Returns the reshow tooltip delay value used inside this chart panel.
double	getScaleX() Returns the X scale factor for the chart.
double	getScaleY() Returns the Y scale factory for the chart.
Rectangle2D	getScreenDataArea() Returns the data area for the chart (the area inside the axes) with the current scaling applied (that is, the area as it appears on screen).
Rectangle2D	getScreenDataArea( int x, int y ) Returns the data area (the area inside the axes) for the plot or subplot, with the current scaling applied.
String	getToolTipText( MouseEvent e ) Returns a string for the tooltip.
boolean	getVerticalAxisTrace() Returns the flag that controls whether or not a vertical axis trace line is drawn over the plot area at the current mouse location.
protected Line2D	getVerticalTraceLine() Returns the vertical trace line.
double	getZoomInFactor() Returns the zoom in factor.
double	getZoomOutFactor() Returns the zoom out factor.
int	getZoomTriggerDistance() Returns the zoom trigger distance.
boolean	isDomainZoomable() Returns the flag that determines whether or not zooming is enabled for the domain axis.
boolean	isEnforceFileExtensions() Returns `true` if file extensions should be enforced, and `false` otherwise.
boolean	isRangeZoomable() Returns the flag that determines whether or not zooming is enabled for the range axis.
void	mouseClicked( MouseEvent event ) Receives notification of mouse clicks on the panel.
void	mouseDragged( MouseEvent e ) Handles a 'mouse dragged' event.
void	mouseEntered( MouseEvent e ) Handles a 'mouse entered' event.
void	mouseExited( MouseEvent e ) Handles a 'mouse exited' event.
void	mouseMoved( MouseEvent e ) Implementation of the MouseMotionListener's method.
void	mousePressed( MouseEvent e ) Handles a 'mouse pressed' event.
void	mouseReleased( MouseEvent e ) Handles a 'mouse released' event.
void	paintComponent( Graphics g ) Paints the component by drawing the chart to fill the entire component, but allowing for the insets (which will be non-zero if a border has been set for this component).
int	print( Graphics g, PageFormat pf, int pageIndex ) Prints the chart on a single page.
void	removeChartMouseListener( ChartMouseListener listener ) Removes a listener from the list of objects listening for chart mouse events.
void	restoreAutoBounds() Restores the auto-range calculation on both axes.
void	restoreAutoDomainBounds() Restores the auto-range calculation on the domain axis.
void	restoreAutoRangeBounds() Restores the auto-range calculation on the range axis.
Rectangle2D	scale( Rectangle2D rect ) Applies any scaling that is in effect for the chart drawing to the given rectangle.
protected void	setAnchor( Point2D anchor ) Sets the anchor point.
void	setChart( JFreeChart chart ) Sets the chart that is displayed in the panel.
void	setDismissDelay( int delay ) Specifies the dismissal delay value for this chart panel.
void	setDisplayToolTips( boolean flag ) Switches the display of tooltips for the panel on or off.
void	setDomainZoomable( boolean flag ) Sets the flag that controls whether or not zooming is enable for the domain axis.
void	setEnforceFileExtensions( boolean enforce ) Sets a flag that controls whether or not file extensions are enforced.
void	setFillZoomRectangle( boolean flag ) A flag that controls how the zoom rectangle is drawn.
void	setHorizontalAxisTrace( boolean flag ) A flag that controls trace lines on the horizontal axis.
protected void	setHorizontalTraceLine( Line2D line ) Sets the horizontal trace line.
void	setInitialDelay( int delay ) Specifies the initial delay value for this chart panel.
void	setMaximumDrawHeight( int height ) Sets the maximum drawing height for the chart on this panel.
void	setMaximumDrawWidth( int width ) Sets the maximum drawing width for the chart on this panel.
void	setMinimumDrawHeight( int height ) Sets the minimum drawing height for the chart on this panel.
void	setMinimumDrawWidth( int width ) Sets the minimum drawing width for the chart on this panel.
void	setMouseZoomable( boolean flag ) A convenience method that switches on mouse-based zooming.
void	setMouseZoomable( boolean flag, boolean fillRectangle ) A convenience method that switches on mouse-based zooming.
void	setPopupMenu( JPopupMenu popup ) Sets the popup menu for the panel.
void	setRangeZoomable( boolean flag ) A flag that controls mouse-based zooming on the vertical axis.
void	setRefreshBuffer( boolean flag ) Sets the refresh buffer flag.
void	setReshowDelay( int delay ) Specifies the amount of time before the user has to wait initialDelay milliseconds before a tooltip will be shown.
void	setVerticalAxisTrace( boolean flag ) A flag that controls trace lines on the vertical axis.
protected void	setVerticalTraceLine( Line2D line ) Sets the vertical trace line.
void	setZoomInFactor( double factor ) Sets the zoom in factor.
void	setZoomOutFactor( double factor ) Sets the zoom out factor.
void	setZoomTriggerDistance( int distance ) Sets the zoom trigger distance.
Point	translateJava2DToScreen( Point2D java2DPoint ) Translates a Java2D point on the chart to a screen location.
Point2D	translateScreenToJava2D( Point screenPoint ) Translates a screen location to a Java2D point.
void	zoom( Rectangle2D selection ) Zooms in on a selected region.
void	zoomInBoth( double x, double y ) Zooms in on an anchor point (specified in screen coordinate space).
void	zoomInDomain( double x, double y ) Decreases the length of the domain axis, centered about the given coordinate on the screen.
void	zoomInRange( double x, double y ) Decreases the length of the range axis, centered about the given coordinate on the screen.
void	zoomOutBoth( double x, double y ) Zooms out on an anchor point (specified in screen coordinate space).
void	zoomOutDomain( double x, double y ) Increases the length of the domain axis, centered about the given coordinate on the screen.
void	zoomOutRange( double x, double y ) Increases the length the range axis, centered about the given coordinate on the screen.

Methods inherited from javax.accessibilityAccessible
getAccessibleContext ()

Methods inherited from java.awtComponent
action (Event, Object) add (PopupMenu) addComponentListener (ComponentListener) addFocusListener (FocusListener) addHierarchyBoundsListener (HierarchyBoundsListener) addHierarchyListener (HierarchyListener) addInputMethodListener (InputMethodListener) addKeyListener (KeyListener) addMouseListener (MouseListener) addMouseMotionListener (MouseMotionListener) addMouseWheelListener (MouseWheelListener) addNotify () addPropertyChangeListener (PropertyChangeListener) addPropertyChangeListener (String, PropertyChangeListener) applyComponentOrientation (ComponentOrientation) areFocusTraversalKeysSet (int) bounds () checkImage (Image, ImageObserver) checkImage (Image, int, int, ImageObserver) coalesceEvents (AWTEvent, AWTEvent) contains (Point) contains (int, int) createImage (ImageProducer) createImage (int, int) createVolatileImage (int, int) createVolatileImage (int, int, ImageCapabilities) deliverEvent (Event) disable () disableEvents (long) dispatchEvent (AWTEvent) doLayout () enable (boolean) enable () enableEvents (long) enableInputMethods (boolean) firePropertyChange (String, long, long) firePropertyChange (String, Object, Object) firePropertyChange (String, float, float) firePropertyChange (String, boolean, boolean) firePropertyChange (String, double, double) firePropertyChange (String, int, int) firePropertyChange (String, byte, byte) firePropertyChange (String, char, char) firePropertyChange (String, short, short) getAccessibleContext () getAlignmentX () getAlignmentY () getBackground () getBounds () getBounds (Rectangle) getColorModel () getComponentAt (int, int) getComponentAt (Point) getComponentListeners () getComponentOrientation () getCursor () getDropTarget () getFocusCycleRootAncestor () getFocusListeners () getFocusTraversalKeys (int) getFocusTraversalKeysEnabled () getFont () getFontMetrics (Font) getForeground () getGraphics () getGraphicsConfiguration () getHeight () getHierarchyBoundsListeners () getHierarchyListeners () getIgnoreRepaint () getInputContext () getInputMethodListeners () getInputMethodRequests () getKeyListeners () getLocale () getLocation () getLocation (Point) getLocationOnScreen () getMaximumSize () getMinimumSize () getMouseListeners () getMouseMotionListeners () getMousePosition () getMouseWheelListeners () getName () getParent () getPeer () getPreferredSize () getPropertyChangeListeners () getPropertyChangeListeners (String) getSize () getSize (Dimension) getToolkit () getTreeLock () getWidth () getX () getY () gotFocus (Event, Object) handleEvent (Event) hasFocus () hide () imageUpdate (Image, int, int, int, int, int) inside (int, int) invalidate () isBackgroundSet () isCursorSet () isDisplayable () isDoubleBuffered () isEnabled () isFocusable () isFocusCycleRoot (Container) isFocusOwner () isFocusTraversable () isFontSet () isForegroundSet () isLightweight () isMaximumSizeSet () isMinimumSizeSet () isOpaque () isPreferredSizeSet () isShowing () isValid () isVisible () keyDown (Event, int) keyUp (Event, int) layout () list (PrintWriter, int) list () list (PrintStream) list (PrintStream, int) list (PrintWriter) locate (int, int) location () lostFocus (Event, Object) minimumSize () mouseDown (Event, int, int) mouseDrag (Event, int, int) mouseEnter (Event, int, int) mouseExit (Event, int, int) mouseMove (Event, int, int) mouseUp (Event, int, int) move (int, int) nextFocus () paint (Graphics) paintAll (Graphics) paramString () postEvent (Event) preferredSize () prepareImage (Image, int, int, ImageObserver) prepareImage (Image, ImageObserver) print (Graphics) printAll (Graphics) processComponentEvent (ComponentEvent) processEvent (AWTEvent) processFocusEvent (FocusEvent) processHierarchyBoundsEvent (HierarchyEvent) processHierarchyEvent (HierarchyEvent) processInputMethodEvent (InputMethodEvent) processKeyEvent (KeyEvent) processMouseEvent (MouseEvent) processMouseMotionEvent (MouseEvent) processMouseWheelEvent (MouseWheelEvent) remove (MenuComponent) removeComponentListener (ComponentListener) removeFocusListener (FocusListener) removeHierarchyBoundsListener (HierarchyBoundsListener) removeHierarchyListener (HierarchyListener) removeInputMethodListener (InputMethodListener) removeKeyListener (KeyListener) removeMouseListener (MouseListener) removeMouseMotionListener (MouseMotionListener) removeMouseWheelListener (MouseWheelListener) removeNotify () removePropertyChangeListener (PropertyChangeListener) removePropertyChangeListener (String, PropertyChangeListener) repaint () repaint (long) repaint (int, int, int, int) repaint (long, int, int, int, int) requestFocus () requestFocus (boolean) requestFocusInWindow () requestFocusInWindow (boolean) reshape (int, int, int, int) resize (int, int) resize (Dimension) setBackground (Color) setBounds (int, int, int, int) setBounds (Rectangle) setComponentOrientation (ComponentOrientation) setCursor (Cursor) setDropTarget (DropTarget) setEnabled (boolean) setFocusable (boolean) setFocusTraversalKeys (int, Set) setFocusTraversalKeysEnabled (boolean) setFont (Font) setForeground (Color) setIgnoreRepaint (boolean) setLocale (Locale) setLocation (int, int) setLocation (Point) setMaximumSize (Dimension) setMinimumSize (Dimension) setName (String) setPreferredSize (Dimension) setSize (int, int) setSize (Dimension) setVisible (boolean) show (boolean) show () size () toString () transferFocus () transferFocusBackward () transferFocusUpCycle () update (Graphics) validate ()

Methods inherited from java.awtComponent

Methods inherited from java.awtContainer
add (Component, Object) add (Component, Object, int) add (Component) add (String, Component) add (Component, int) addContainerListener (ContainerListener) addImpl (Component, Object, int) addNotify () addPropertyChangeListener (PropertyChangeListener) addPropertyChangeListener (String, PropertyChangeListener) applyComponentOrientation (ComponentOrientation) areFocusTraversalKeysSet (int) countComponents () deliverEvent (Event) doLayout () findComponentAt (int, int) findComponentAt (Point) getAlignmentX () getAlignmentY () getComponent (int) getComponentAt (int, int) getComponentAt (Point) getComponentCount () getComponents () getComponentZOrder (Component) getContainerListeners () getFocusTraversalKeys (int) getFocusTraversalPolicy () getInsets () getLayout () getMaximumSize () getMinimumSize () getMousePosition (boolean) getPreferredSize () insets () invalidate () isAncestorOf (Component) isFocusCycleRoot () isFocusCycleRoot (Container) isFocusTraversalPolicyProvider () isFocusTraversalPolicySet () layout () list (PrintStream, int) list (PrintWriter, int) locate (int, int) minimumSize () paint (Graphics) paintComponents (Graphics) paramString () preferredSize () print (Graphics) printComponents (Graphics) processContainerEvent (ContainerEvent) processEvent (AWTEvent) remove (int) remove (Component) removeAll () removeContainerListener (ContainerListener) removeNotify () setComponentZOrder (Component, int) setFocusCycleRoot (boolean) setFocusTraversalKeys (int, Set) setFocusTraversalPolicy (FocusTraversalPolicy) setFocusTraversalPolicyProvider (boolean) setFont (Font) setLayout (LayoutManager) transferFocusBackward () transferFocusDownCycle () update (Graphics) validate () validateTree ()

Methods inherited from java.awtContainer

Methods inherited from java.awt.imageImageObserver
imageUpdate (Image, int, int, int, int, int)

Methods inherited from javax.swingJComponent
addAncestorListener (AncestorListener) addNotify () addVetoableChangeListener (VetoableChangeListener) computeVisibleRect (Rectangle) contains (int, int) createToolTip () disable () enable () firePropertyChange (String, boolean, boolean) firePropertyChange (String, int, int) firePropertyChange (String, char, char) fireVetoableChange (String, Object, Object) getAccessibleContext () getActionForKeyStroke (KeyStroke) getActionMap () getAlignmentX () getAlignmentY () getAncestorListeners () getAutoscrolls () getBorder () getBounds (Rectangle) getClientProperty (Object) getComponentGraphics (Graphics) getComponentPopupMenu () getConditionForKeyStroke (KeyStroke) getDebugGraphicsOptions () getDefaultLocale () getFontMetrics (Font) getGraphics () getHeight () getInheritsPopupMenu () getInputMap (int) getInputMap () getInputVerifier () getInsets () getInsets (Insets) getLocation (Point) getMaximumSize () getMinimumSize () getNextFocusableComponent () getPopupLocation (MouseEvent) getPreferredSize () getRegisteredKeyStrokes () getRootPane () getSize (Dimension) getToolTipLocation (MouseEvent) getToolTipText () getTopLevelAncestor () getTransferHandler () getUIClassID () getVerifyInputWhenFocusTarget () getVetoableChangeListeners () getVisibleRect () getWidth () getX () getY () grabFocus () isDoubleBuffered () isLightweightComponent (Component) isManagingFocus () isOpaque () isOptimizedDrawingEnabled () isPaintingTile () isRequestFocusEnabled () isValidateRoot () paint (Graphics) paintBorder (Graphics) paintChildren (Graphics) paintImmediately (int, int, int, int) paintImmediately (Rectangle) paramString () print (Graphics) printAll (Graphics) printBorder (Graphics) printChildren (Graphics) printComponent (Graphics) processComponentKeyEvent (KeyEvent) processKeyBinding (KeyStroke, KeyEvent, int, boolean) processKeyEvent (KeyEvent) processMouseEvent (MouseEvent) processMouseMotionEvent (MouseEvent) putClientProperty (Object, Object) registerKeyboardAction (ActionListener, KeyStroke, int) registerKeyboardAction (ActionListener, String, KeyStroke, int) removeAncestorListener (AncestorListener) removeNotify () removeVetoableChangeListener (VetoableChangeListener) repaint (long, int, int, int, int) repaint (Rectangle) requestDefaultFocus () requestFocus () requestFocus (boolean) requestFocusInWindow () requestFocusInWindow (boolean) resetKeyboardActions () reshape (int, int, int, int) revalidate () scrollRectToVisible (Rectangle) setActionMap (ActionMap) setAlignmentX (float) setAlignmentY (float) setAutoscrolls (boolean) setBackground (Color) setBorder (Border) setComponentPopupMenu (JPopupMenu) setDebugGraphicsOptions (int) setDefaultLocale (Locale) setDoubleBuffered (boolean) setEnabled (boolean) setFocusTraversalKeys (int, Set) setFont (Font) setForeground (Color) setInheritsPopupMenu (boolean) setInputMap (int, InputMap) setInputVerifier (InputVerifier) setMaximumSize (Dimension) setMinimumSize (Dimension) setNextFocusableComponent (Component) setOpaque (boolean) setPreferredSize (Dimension) setRequestFocusEnabled (boolean) setToolTipText (String) setTransferHandler (TransferHandler) setUI (ComponentUI) setVerifyInputWhenFocusTarget (boolean) setVisible (boolean) unregisterKeyboardAction (KeyStroke) update (Graphics) updateUI ()

Methods inherited from javax.swingJComponent

Methods inherited from javax.swingJPanel
getAccessibleContext () getUI () getUIClassID () paramString () setUI (PanelUI) updateUI ()

Methods inherited from java.awtMenuContainer
getFont () postEvent (Event) remove (MenuComponent)

Methods inherited from java.langObject
clone () equals (Object) finalize () getClass () hashCode () notify () notifyAll () toString () wait (long) wait (long, int) wait ()

Field Detail

DEFAULT_BUFFER_USED

public static boolean DEFAULT_BUFFER_USED

Default setting for buffer usage.

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DEFAULT_HEIGHT

public static int DEFAULT_HEIGHT

The default panel height.

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DEFAULT_MAXIMUM_DRAW_HEIGHT

public static int DEFAULT_MAXIMUM_DRAW_HEIGHT

The default limit below which chart scaling kicks in.

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DEFAULT_MAXIMUM_DRAW_WIDTH

public static int DEFAULT_MAXIMUM_DRAW_WIDTH

The default limit below which chart scaling kicks in.

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DEFAULT_MINIMUM_DRAW_HEIGHT

public static int DEFAULT_MINIMUM_DRAW_HEIGHT

The default limit below which chart scaling kicks in.

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DEFAULT_MINIMUM_DRAW_WIDTH

public static int DEFAULT_MINIMUM_DRAW_WIDTH

The default limit below which chart scaling kicks in.

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DEFAULT_WIDTH

public static int DEFAULT_WIDTH

The default panel width.

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DEFAULT_ZOOM_TRIGGER_DISTANCE

public static int DEFAULT_ZOOM_TRIGGER_DISTANCE

The minimum size required to perform a zoom on a rectangle

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localizationResources

protected static ResourceBundle localizationResources

The resourceBundle for the localization.

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PRINT_COMMAND

public static String PRINT_COMMAND

Print action command.

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PROPERTIES_COMMAND

public static String PROPERTIES_COMMAND

Properties action command.

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SAVE_COMMAND

public static String SAVE_COMMAND

Save action command.

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ZOOM_IN_BOTH_COMMAND

public static String ZOOM_IN_BOTH_COMMAND

Zoom in (both axes) action command.

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ZOOM_IN_DOMAIN_COMMAND

public static String ZOOM_IN_DOMAIN_COMMAND

Zoom in (domain axis only) action command.

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ZOOM_IN_RANGE_COMMAND

public static String ZOOM_IN_RANGE_COMMAND

Zoom in (range axis only) action command.

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ZOOM_OUT_BOTH_COMMAND

public static String ZOOM_OUT_BOTH_COMMAND

Zoom out (both axes) action command.

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ZOOM_OUT_DOMAIN_COMMAND

public static String ZOOM_OUT_DOMAIN_COMMAND

Zoom out (domain axis only) action command.

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ZOOM_OUT_RANGE_COMMAND

public static String ZOOM_OUT_RANGE_COMMAND

Zoom out (range axis only) action command.

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ZOOM_RESET_BOTH_COMMAND

public static String ZOOM_RESET_BOTH_COMMAND

Zoom reset (both axes) action command.

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ZOOM_RESET_DOMAIN_COMMAND

public static String ZOOM_RESET_DOMAIN_COMMAND

Zoom reset (domain axis only) action command.

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ZOOM_RESET_RANGE_COMMAND

public static String ZOOM_RESET_RANGE_COMMAND

Zoom reset (range axis only) action command.

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Constructor Detail

ChartPanel

public ChartPanel ( JFreeChart chart )

Constructs a panel that displays the specified chart.

Parameters

Type	Name	Description
JFreeChart	chart	the chart.

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ChartPanel

public ChartPanel ( JFreeChart chart, boolean useBuffer )

Constructs a panel containing a chart.

Parameters

Type	Name	Description
JFreeChart	chart	the chart.
boolean	useBuffer	a flag controlling whether or not an off-screen buffer is used.

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ChartPanel

public ChartPanel ( JFreeChart chart, boolean properties, boolean save, boolean print, boolean zoom, boolean tooltips )

Constructs a JFreeChart panel.

Parameters

Type	Name	Description
JFreeChart	chart	the chart.
boolean	properties	a flag indicating whether or not the chart property editor should be available via the popup menu.
boolean	save	a flag indicating whether or not save options should be available via the popup menu.
boolean	print	a flag indicating whether or not the print option should be available via the popup menu.
boolean	zoom	a flag indicating whether or not zoom options should be added to the popup menu.
boolean	tooltips	a flag indicating whether or not tooltips should be enabled for the chart.

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ChartPanel

public ChartPanel ( JFreeChart chart, int width, int height, int minimumDrawWidth, int minimumDrawHeight, int maximumDrawWidth, int maximumDrawHeight, boolean useBuffer, boolean properties, boolean save, boolean print, boolean zoom, boolean tooltips )

Constructs a JFreeChart panel.

Parameters

Type	Name	Description
JFreeChart	chart	the chart.
int	width	the preferred width of the panel.
int	height	the preferred height of the panel.
int	minimumDrawWidth	the minimum drawing width.
int	minimumDrawHeight	the minimum drawing height.
int	maximumDrawWidth	the maximum drawing width.
int	maximumDrawHeight	the maximum drawing height.
boolean	useBuffer	a flag that indicates whether to use the off-screen buffer to improve performance (at the expense of memory).
boolean	properties	a flag indicating whether or not the chart property editor should be available via the popup menu.
boolean	save	a flag indicating whether or not save options should be available via the popup menu.
boolean	print	a flag indicating whether or not the print option should be available via the popup menu.
boolean	zoom	a flag indicating whether or not zoom options should be added to the popup menu.
boolean	tooltips	a flag indicating whether or not tooltips should be enabled for the chart.

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Method Detail

actionPerformed

public void actionPerformed ( ActionEvent event )

Handles action events generated by the popup menu.

Implements method in ActionListener

Parameters

Type	Name	Description
ActionEvent	event	the event.

Returns void No description provided.

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addChartMouseListener

public void addChartMouseListener ( ChartMouseListener listener )

Adds a listener to the list of objects listening for chart mouse events.

Parameters

Type	Name	Description
ChartMouseListener	listener	the listener (`null` not permitted).

Returns void No description provided.

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chartChanged

public void chartChanged ( ChartChangeEvent event )

Receives notification of changes to the chart, and redraws the chart.

Implements method in ChartChangeListener

Parameters

Type	Name	Description
ChartChangeEvent	event	details of the chart change event.

Returns void No description provided.

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chartProgress

public void chartProgress ( ChartProgressEvent event )

Receives notification of a chart progress event.

Implements method in ChartProgressListener

Parameters

Type	Name	Description
ChartProgressEvent	event	the event.

Returns void No description provided.

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createChartPrintJob

public void createChartPrintJob ( )

Creates a print job for the chart.

Returns void No description provided.

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createPopupMenu

protected JPopupMenu createPopupMenu ( boolean properties, boolean save, boolean print, boolean zoom )

Creates a popup menu for the panel.

Parameters

Type	Name	Description
boolean	properties	include a menu item for the chart property editor.
boolean	save	include a menu item for saving the chart.
boolean	print	include a menu item for printing the chart.
boolean	zoom	include menu items for zooming.

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displayPopupMenu

protected void displayPopupMenu ( int x, int y )

The idea is to modify the zooming options depending on the type of chart being displayed by the panel.

Parameters

Type	Name	Description
int	x	horizontal position of the popup.
int	y	vertical position of the popup.

Returns void No description provided.

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doSaveAs

public void doSaveAs ( )

throws

IOException

Opens a file chooser and gives the user an opportunity to save the chart in PNG format.

Returns void No description provided.

Exceptions

IOException

if there is an I/O error.

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getAnchor

public Point2D getAnchor ( )

Returns the anchor point.

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getChart

public JFreeChart getChart ( )

Returns the chart contained in the panel.

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getChartRenderingInfo

public ChartRenderingInfo getChartRenderingInfo ( )

Returns the chart rendering info from the most recent chart redraw.

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getDismissDelay

public int getDismissDelay ( )

Returns the dismissal tooltip delay value used inside this chart panel.

See also

getDismissDelay()

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getEntityForPoint

public ChartEntity getEntityForPoint ( int viewX, int viewY )

Returns the chart entity at a given point.

This method will return null if there is (a) no entity at the given point, or (b) no entity collection has been generated.

Parameters

Type	Name	Description
int	viewX	the x-coordinate.
int	viewY	the y-coordinate.

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getFillZoomRectangle

public boolean getFillZoomRectangle ( )

Returns the flag that controls whether or not the zoom rectangle is filled when drawn.

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getHorizontalAxisTrace

public boolean getHorizontalAxisTrace ( )

Returns the flag that controls whether or not a horizontal axis trace line is drawn over the plot area at the current mouse location.

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getHorizontalTraceLine

protected Line2D getHorizontalTraceLine ( )

Returns the horizontal trace line.

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getInitialDelay

public int getInitialDelay ( )

Returns the initial tooltip delay value used inside this chart panel.

See also

getInitialDelay()

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getListeners

public EventListener[] getListeners ( Class listenerType )

Returns an array of the listeners of the given type registered with the panel.

Overrides method in JComponent

Parameters

Type	Name	Description
Class	listenerType	the listener type.

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getMaximumDrawHeight

public int getMaximumDrawHeight ( )

Returns the maximum drawing height for charts.

If the height available on the panel is greater than this, then the chart is drawn at the maximum height then scaled up to fit.

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getMaximumDrawWidth

public int getMaximumDrawWidth ( )

Returns the maximum drawing width for charts.

If the width available on the panel is greater than this, then the chart is drawn at the maximum width then scaled up to fit.

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getMinimumDrawHeight

public int getMinimumDrawHeight ( )

Returns the minimum drawing height for charts.

If the height available on the panel is less than this, then the chart is drawn at the minimum height then scaled down to fit.

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getMinimumDrawWidth

public int getMinimumDrawWidth ( )

Returns the minimum drawing width for charts.

If the width available on the panel is less than this, then the chart is drawn at the minimum width then scaled down to fit.

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getPopupMenu

public JPopupMenu getPopupMenu ( )

Returns the popup menu.

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getRefreshBuffer

public boolean getRefreshBuffer ( )

Returns the flag that controls whether or not the offscreen buffer needs to be refreshed.

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getReshowDelay

public int getReshowDelay ( )

Returns the reshow tooltip delay value used inside this chart panel.

See also

getReshowDelay()

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getScaleX

public double getScaleX ( )

Returns the X scale factor for the chart. This will be 1.0 if no scaling has been used.

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getScaleY

public double getScaleY ( )

Returns the Y scale factory for the chart. This will be 1.0 if no scaling has been used.

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getScreenDataArea

public Rectangle2D getScreenDataArea ( )

Returns the data area for the chart (the area inside the axes) with the current scaling applied (that is, the area as it appears on screen).

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getScreenDataArea

public Rectangle2D getScreenDataArea ( int x, int y )

Returns the data area (the area inside the axes) for the plot or subplot, with the current scaling applied.

Parameters

Type	Name	Description
int	x	the x-coordinate (for subplot selection).
int	y	the y-coordinate (for subplot selection).

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getToolTipText

public String getToolTipText ( MouseEvent e )

Returns a string for the tooltip.

Overrides method in JComponent

Parameters

Type	Name	Description
MouseEvent	e	the mouse event.

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getVerticalAxisTrace

public boolean getVerticalAxisTrace ( )

Returns the flag that controls whether or not a vertical axis trace line is drawn over the plot area at the current mouse location.

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getVerticalTraceLine

protected Line2D getVerticalTraceLine ( )

Returns the vertical trace line.

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getZoomInFactor

public double getZoomInFactor ( )

Returns the zoom in factor.

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getZoomOutFactor

public double getZoomOutFactor ( )

Returns the zoom out factor.

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getZoomTriggerDistance

public int getZoomTriggerDistance ( )

Returns the zoom trigger distance. This controls how far the mouse must move before a zoom action is triggered.

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isDomainZoomable

public boolean isDomainZoomable ( )

Returns the flag that determines whether or not zooming is enabled for the domain axis.

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isEnforceFileExtensions

public boolean isEnforceFileExtensions ( )

Returns true if file extensions should be enforced, and false otherwise.

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isRangeZoomable

public boolean isRangeZoomable ( )

Returns the flag that determines whether or not zooming is enabled for the range axis.

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mouseClicked

public void mouseClicked ( MouseEvent event )

Receives notification of mouse clicks on the panel. These are translated and passed on to any registered chart mouse click listeners.

Implements method in MouseListener

Parameters

Type	Name	Description
MouseEvent	event	Information about the mouse event.

Returns void No description provided.

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mouseDragged

public void mouseDragged ( MouseEvent e )

Handles a 'mouse dragged' event.

Implements method in MouseMotionListener

Parameters

Type	Name	Description
MouseEvent	e	the mouse event.

Returns void No description provided.

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mouseEntered

public void mouseEntered ( MouseEvent e )

Handles a 'mouse entered' event. This method changes the tooltip delays of ToolTipManager.sharedInstance() to the possibly different values set for this chart panel.

Implements method in MouseListener

Parameters

Type	Name	Description
MouseEvent	e	the mouse event.

Returns void No description provided.

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mouseExited

public void mouseExited ( MouseEvent e )

Handles a 'mouse exited' event. This method resets the tooltip delays of ToolTipManager.sharedInstance() to their original values in effect before mouseEntered()

Implements method in MouseListener

Parameters

Type	Name	Description
MouseEvent	e	the mouse event.

Returns void No description provided.

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mouseMoved

public void mouseMoved ( MouseEvent e )

Implementation of the MouseMotionListener's method.

Implements method in MouseMotionListener

Parameters

Type	Name	Description
MouseEvent	e	the event.

Returns void No description provided.

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q3r4

mousePressed

public void mousePressed ( MouseEvent e )

Handles a 'mouse pressed' event.

This event is the popup trigger on Unix/Linux. For Windows, the popup trigger is the 'mouse released' event.

Implements method in MouseListener

Parameters

Type	Name	Description
MouseEvent	e	The mouse event.

Returns void No description provided.

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mouseReleased

public void mouseReleased ( MouseEvent e )

Handles a 'mouse released' event. On Windows, we need to check if this is a popup trigger, but only if we haven't already been tracking a zoom rectangle.

Implements method in MouseListener

Parameters

Type	Name	Description
MouseEvent	e	information about the event.

Returns void No description provided.

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paintComponent

public void paintComponent ( Graphics g )

Paints the component by drawing the chart to fill the entire component, but allowing for the insets (which will be non-zero if a border has been set for this component). To increase performance (at the expense of memory), an off-screen buffer image can be used.

Overrides method in JComponent

Parameters

Type	Name	Description
Graphics	g	the graphics device for drawing on.

Returns void No description provided.

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public int print ( Graphics g, PageFormat pf, int pageIndex )

Prints the chart on a single page.

Implements method in Printable

Parameters

Type	Name	Description
Graphics	g	the graphics context.
PageFormat	pf	the page format to use.
int	pageIndex	the index of the page. If not `0`, nothing gets print.

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removeChartMouseListener

public void removeChartMouseListener ( ChartMouseListener listener )

Removes a listener from the list of objects listening for chart mouse events.

Parameters

Type	Name	Description
ChartMouseListener	listener	the listener.

Returns void No description provided.

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restoreAutoBounds

public void restoreAutoBounds ( )

Restores the auto-range calculation on both axes.

Returns void No description provided.

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restoreAutoDomainBounds

public void restoreAutoDomainBounds ( )

Restores the auto-range calculation on the domain axis.

Returns void No description provided.

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restoreAutoRangeBounds

public void restoreAutoRangeBounds ( )

Restores the auto-range calculation on the range axis.

Returns void No description provided.

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scale

public Rectangle2D scale ( Rectangle2D rect )

Applies any scaling that is in effect for the chart drawing to the given rectangle.

Parameters

Type	Name	Description
Rectangle2D	rect	the rectangle.

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setAnchor

protected void setAnchor ( Point2D anchor )

Sets the anchor point. This method is provided for the use of subclasses, not end users.

Parameters

Type	Name	Description
Point2D	anchor	the anchor point (`null` permitted).

Returns void No description provided.

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setChart

public void setChart ( JFreeChart chart )

Sets the chart that is displayed in the panel.

Parameters

Type	Name	Description
JFreeChart	chart	the chart (`null` permitted).

Returns void No description provided.

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setDismissDelay

public void setDismissDelay ( int delay )

Specifies the dismissal delay value for this chart panel.

Parameters

Type	Name	Description
int	delay	the number of milliseconds to delay before taking away the tooltip

Returns void No description provided.

See also

setDismissDelay(int)

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setDisplayToolTips

public void setDisplayToolTips ( boolean flag )

Switches the display of tooltips for the panel on or off. Note that tooltips can only be displayed if the chart has been configured to generate tooltip items.

Parameters

Type	Name	Description
boolean	flag	`true` to enable tooltips, `false` to disable tooltips.

Returns void No description provided.

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setDomainZoomable

public void setDomainZoomable ( boolean flag )

Sets the flag that controls whether or not zooming is enable for the domain axis. A check is made to ensure that the current plot supports zooming for the domain values.

Parameters

Type	Name	Description
boolean	flag	`true` enables zooming if possible.

Returns void No description provided.

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setEnforceFileExtensions

public void setEnforceFileExtensions ( boolean enforce )

Sets a flag that controls whether or not file extensions are enforced.

Parameters

Type	Name	Description
boolean	enforce	the new flag value.

Returns void No description provided.

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setFillZoomRectangle

public void setFillZoomRectangle ( boolean flag )

A flag that controls how the zoom rectangle is drawn.

Parameters

Type	Name	Description
boolean	flag	`true` instructs to fill the rectangle on zoom, otherwise it will be outlined.

Returns void No description provided.

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setHorizontalAxisTrace

public void setHorizontalAxisTrace ( boolean flag )

A flag that controls trace lines on the horizontal axis.

Parameters

Type	Name	Description
boolean	flag	`true` enables trace lines for the mouse pointer on the horizontal axis.

Returns void No description provided.

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setHorizontalTraceLine

protected void setHorizontalTraceLine ( Line2D line )

Sets the horizontal trace line.

Parameters

Type	Name	Description
Line2D	line	the line (`null` permitted).

Returns void No description provided.

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setInitialDelay

public void setInitialDelay ( int delay )

Specifies the initial delay value for this chart panel.

Parameters

Type	Name	Description
int	delay	the number of milliseconds to delay (after the cursor has paused) before displaying.

Returns void No description provided.

See also

setInitialDelay(int)

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setMaximumDrawHeight

public void setMaximumDrawHeight ( int height )

Sets the maximum drawing height for the chart on this panel.

At the time the chart is drawn on the panel, if the available height is greater than this amount, the chart will be drawn using the maximum height then scaled up to fit the available space.

Parameters

Type	Name	Description
int	height	The height.

Returns void No description provided.

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setMaximumDrawWidth

public void setMaximumDrawWidth ( int width )

Sets the maximum drawing width for the chart on this panel.

At the time the chart is drawn on the panel, if the available width is greater than this amount, the chart will be drawn using the maximum width then scaled up to fit the available space.

Parameters

Type	Name	Description
int	width	The width.

Returns void No description provided.

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setMinimumDrawHeight

public void setMinimumDrawHeight ( int height )

Sets the minimum drawing height for the chart on this panel.

At the time the chart is drawn on the panel, if the available height is less than this amount, the chart will be drawn using the minimum height then scaled down to fit the available space.

Parameters

Type	Name	Description
int	height	The height.

Returns void No description provided.

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setMinimumDrawWidth

public void setMinimumDrawWidth ( int width )

Sets the minimum drawing width for the chart on this panel.

At the time the chart is drawn on the panel, if the available width is less than this amount, the chart will be drawn using the minimum width then scaled down to fit the available space.

Parameters

Type	Name	Description
int	width	The width.

Returns void No description provided.

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setMouseZoomable

public void setMouseZoomable ( boolean flag )

A convenience method that switches on mouse-based zooming.

Parameters

Type	Name	Description
boolean	flag	`true` enables zooming and rectangle fill on zoom.

Returns void No description provided.

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setMouseZoomable

public void setMouseZoomable ( boolean flag, boolean fillRectangle )

A convenience method that switches on mouse-based zooming.

Parameters

Type	Name	Description
boolean	flag	`true` if zooming enabled
boolean	fillRectangle	`true` if zoom rectangle is filled, false if rectangle is shown as outline only.

Returns void No description provided.

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setPopupMenu

public void setPopupMenu ( JPopupMenu popup )

Sets the popup menu for the panel.

Parameters

Type	Name	Description
JPopupMenu	popup	the popup menu (`null` permitted).

Returns void No description provided.

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setRangeZoomable

public void setRangeZoomable ( boolean flag )

A flag that controls mouse-based zooming on the vertical axis.

Parameters

Type	Name	Description
boolean	flag	`true` enables zooming.

Returns void No description provided.

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setRefreshBuffer

public void setRefreshBuffer ( boolean flag )

Sets the refresh buffer flag. This flag is used to avoid unnecessary redrawing of the chart when the offscreen image buffer is used.

Parameters

Type	Name	Description
boolean	flag	`true` indicate, that the buffer should be refreshed.

Returns void No description provided.

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setReshowDelay

public void setReshowDelay ( int delay )

Specifies the amount of time before the user has to wait initialDelay milliseconds before a tooltip will be shown.

Parameters

Type	Name	Description
int	delay	time in milliseconds

Returns void No description provided.

See also

setReshowDelay(int)

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setVerticalAxisTrace

public void setVerticalAxisTrace ( boolean flag )

A flag that controls trace lines on the vertical axis.

Parameters

Type	Name	Description
boolean	flag	`true` enables trace lines for the mouse pointer on the vertical axis.

Returns void No description provided.

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setVerticalTraceLine

protected void setVerticalTraceLine ( Line2D line )

Sets the vertical trace line.

Parameters

Type	Name	Description
Line2D	line	the line (`null` permitted).

Returns void No description provided.

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setZoomInFactor

public void setZoomInFactor ( double factor )

Sets the zoom in factor.

Parameters

Type	Name	Description
double	factor	the factor.

Returns void No description provided.

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setZoomOutFactor

public void setZoomOutFactor ( double factor )

Sets the zoom out factor.

Parameters

Type	Name	Description
double	factor	the factor.

Returns void No description provided.

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setZoomTriggerDistance

public void setZoomTriggerDistance ( int distance )

Sets the zoom trigger distance. This controls how far the mouse must move before a zoom action is triggered.

Parameters

Type	Name	Description
int	distance	the distance (in Java2D units).

Returns void No description provided.

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translateJava2DToScreen

public Point translateJava2DToScreen ( Point2D java2DPoint )

Translates a Java2D point on the chart to a screen location.

Parameters

Type	Name	Description
Point2D	java2DPoint	the Java2D point.

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translateScreenToJava2D

public Point2D translateScreenToJava2D ( Point screenPoint )

Translates a screen location to a Java2D point.

Parameters

Type	Name	Description
Point	screenPoint	the screen location.

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zoom

public void zoom ( Rectangle2D selection )

Zooms in on a selected region.

Parameters

Type	Name	Description
Rectangle2D	selection	the selected region.

Returns void No description provided.

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zoomInBoth

public void zoomInBoth ( double x, double y )

Zooms in on an anchor point (specified in screen coordinate space).

Parameters

Type	Name	Description
double	x	the x value (in screen coordinates).
double	y	the y value (in screen coordinates).

Returns void No description provided.

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zoomInDomain

public void zoomInDomain ( double x, double y )

Decreases the length of the domain axis, centered about the given coordinate on the screen. The length of the domain axis is reduced by the value of getZoomInFactor() .

Parameters

Type	Name	Description
double	x	the x coordinate (in screen coordinates).
double	y	the y-coordinate (in screen coordinates).

Returns void No description provided.

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zoomInRange

public void zoomInRange ( double x, double y )

Decreases the length of the range axis, centered about the given coordinate on the screen. The length of the range axis is reduced by the value of getZoomInFactor() .

Parameters

Type	Name	Description
double	x	the x-coordinate (in screen coordinates).
double	y	the y coordinate (in screen coordinates).

Returns void No description provided.

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zoomOutBoth

public void zoomOutBoth ( double x, double y )

Zooms out on an anchor point (specified in screen coordinate space).

Parameters

Type	Name	Description
double	x	the x value (in screen coordinates).
double	y	the y value (in screen coordinates).

Returns void No description provided.

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zoomOutDomain

public void zoomOutDomain ( double x, double y )

Increases the length of the domain axis, centered about the given coordinate on the screen. The length of the domain axis is increased by the value of getZoomOutFactor() .

Parameters

Type	Name	Description
double	x	the x coordinate (in screen coordinates).
double	y	the y-coordinate (in screen coordinates).

Returns void No description provided.

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zoomOutRange

public void zoomOutRange ( double x, double y )

Increases the length the range axis, centered about the given coordinate on the screen. The length of the range axis is increased by the value of getZoomOutFactor() .

Parameters

Type	Name	Description
double	x	the x coordinate (in screen coordinates).
double	y	the y-coordinate (in screen coordinates).

Returns void No description provided.

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