Package org.knowm.xchart.internal.chartpart

Class Cursor

java.lang.Object

java.awt.event.MouseAdapter

org.knowm.xchart.internal.chartpart.Cursor

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, java.util.EventListener, ChartPart

public class Cursor
extends java.awt.event.MouseAdapter
implements ChartPart

Cursor movement to display matching point data information.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Cursor.DataPoint

Field Summary

Fields

Modifier and Type	Field	Description
private Chart	chart
private java.util.List<Cursor.DataPoint>	dataPointList
private static int	LINE_SPACING
private java.util.List<Cursor.DataPoint>	matchingDataPointList
private static int	MOUSE_SPACING
private double	mouseX
private double	mouseY
private java.util.Map<java.lang.String,Series>	seriesMap
private double	startX
private double	startY
private XYStyler	styler
private double	textHeight

Fields inherited from interface org.knowm.xchart.internal.chartpart.ChartPart

SOLID_STROKE

Constructor Summary

Constructors

Constructor	Description
Cursor(Chart chart)	Constructor

Method Summary

Modifier and Type	Method	Description
(package private) void	addData(double xOffset, double yOffset, java.lang.String xValue, java.lang.String yValue, java.lang.String seriesName)
private void	calculateMatchingDataPoints()	One DataPoint per series, keep the DataPoint closest to mouseX
java.awt.geom.Rectangle2D	getBounds()
private boolean	isMouseOutOfPlotContent()
void	mouseMoved(java.awt.event.MouseEvent e)
void	paint(java.awt.Graphics2D g)
private void	paintBackGround(java.awt.Graphics2D g, java.awt.font.TextLayout xValueTextLayout)
private void	paintDataPointInfo(java.awt.Graphics2D g, java.awt.font.TextLayout xValueTextLayout)
private void	paintVerticalLine(java.awt.Graphics2D g, Cursor.DataPoint dataPoint)

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseDragged, mouseEntered, mouseExited, mousePressed, mouseReleased, mouseWheelMoved

Methods inherited from class java.lang.Object

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

Field Detail

LINE_SPACING

private static final int LINE_SPACING

See Also:

Constant Field Values

MOUSE_SPACING

private static final int MOUSE_SPACING

See Also:

Constant Field Values

dataPointList

private final java.util.List<Cursor.DataPoint> dataPointList

matchingDataPointList

private final java.util.List<Cursor.DataPoint> matchingDataPointList

chart

private final Chart chart

styler

private final XYStyler styler

seriesMap

private final java.util.Map<java.lang.String,Series> seriesMap

mouseX

private double mouseX

mouseY

private double mouseY

startX

private double startX

startY

private double startY

textHeight

private double textHeight

Constructor Detail

Cursor

public Cursor(Chart chart)

Constructor

Parameters:

chart -

Method Detail

mouseMoved

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

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Overrides:

mouseMoved in class java.awt.event.MouseAdapter

isMouseOutOfPlotContent

private boolean isMouseOutOfPlotContent()

getBounds

public java.awt.geom.Rectangle2D getBounds()

Specified by:

getBounds in interface ChartPart

paint

public void paint(java.awt.Graphics2D g)

Specified by:

paint in interface ChartPart

paintVerticalLine

private void paintVerticalLine(java.awt.Graphics2D g,
                               Cursor.DataPoint dataPoint)

paintBackGround

private void paintBackGround(java.awt.Graphics2D g,
                             java.awt.font.TextLayout xValueTextLayout)

paintDataPointInfo

private void paintDataPointInfo(java.awt.Graphics2D g,
                                java.awt.font.TextLayout xValueTextLayout)

addData

void addData(double xOffset,
             double yOffset,
             java.lang.String xValue,
             java.lang.String yValue,
             java.lang.String seriesName)

calculateMatchingDataPoints

private void calculateMatchingDataPoints()

One DataPoint per series, keep the DataPoint closest to mouseX