lt.monarch.chart.chart2D.series
Class PieStrategy<ChartProjector extends Projector>

java.lang.Object
  lt.monarch.chart.chart2D.series.PieStrategy<ChartProjector>

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Pie3DStrategy

public class PieStrategy<ChartProjector extends Projector>
extends java.lang.Object
implements java.io.Serializable

Pie series drawing strategy.

See Also:

Serialized Form

Field Summary

Modifier and Type	Field and Description
protected boolean	dirty True, if dirty, otherwise -false
protected LegendEntry[]	entries
protected boolean	explodeAndShrink
protected double	innerRadius
protected int	labelAreaMultiplier Specifies label area multiplier (used for pie resize and leave label area, pie size is resized by multiplier * series label font size)
protected PieLabelFormat	labelFormat
protected java.lang.String	labelFormatPattern
protected double	labelMargin
protected PieLegendFormat	legendFormat
protected java.lang.String	legendFormatPattern
protected java.util.Locale	locale
protected PlaneMapper	mapper Plane mapper
protected double	maxExplodeRadius
protected MetaDataModel	metaModel Meta data model
protected double	minExplodeRadius
protected java.util.Map<DataColumnType,MinMaxValues>	minMaxValues Minimum and Maximum values
protected ArrayDataModel	model Series data model
protected Point2D	np
protected int	numbersLabelPrecision Specifies number precision for series labels
protected int	numbersLegendPrecision Specifies number precision for series labels
protected double	overallAngle
protected double	overallRadius
protected Point2D	p1
protected Point2D	p2
protected PaintMode	paintMode Paint mode of the series
protected java.lang.Double[]	percentages
protected Point2D	planePoint Template point for mapping plane
protected Projector	projector Point projector
protected double	shrinkRadius
protected java.util.ArrayList<ChartElementEntity>	sliceElements
protected double	startAngle
protected Style	style Style of series
protected GeneralPoint	tempPoint Template point for projecting points
protected java.lang.Double[]	values

Constructor and Description

PieStrategy()
Pie strategy constructor

Method Summary

Modifier and Type	Method and Description
protected double	calculateShrink()
void	calculateValuesAndPercentages(ArrayDataModel model) Calculating values and percentages values of pie
protected java.lang.String	convertToString(java.lang.Double value, int precision, java.util.Locale local)
LegendEntry[]	createLegendEntries(ArrayDataModel model, MetaDataModel metaModel, Style style) Create legend entries list
void	dispose()
void	draw(AbstractGraphics g, ChartProjector projector, PlaneMapper mapper, HotSpotMap hotMap, Style style, PieSeries series)
protected void	drawLabels(AbstractGraphics g, ChartProjector projector, HotSpotMap hotMap, Style style, PieSeries series)
protected void	drawPie(AbstractGraphics g, ChartProjector projector, PlaneMapper mapper, HotSpotMap hotMap, Style style, PieSeries series)
protected void	finalize()
protected void	fixStyles()
Point2D	getCenterPoint() Returns the center of pie
double	getInnerRadius() Returns the Doughnut inner radius.
int	getLabelAreaMultiplier() Returns label area multiplier (used for pie resize and leave label area, pie size is resized by multiplier * series label font size)
PieLabelFormat	getLabelFormat() Return label format
java.lang.String	getLabelFormatPattern() Return label format
protected java.lang.String	getLabelText(double value, double percent, java.lang.String sliceTitle) Return slices label text
PieLegendFormat	getLegendFormat() Return legend format
java.lang.String	getLegendFormatPattern() Returns legend format pattern
protected java.lang.String	getLegendText(double value, double percent, java.lang.String sliceTitle) Return slices legend text
java.util.Locale	getLocale() Return locale of charts
java.util.Map<DataColumnType,MinMaxValues>	getMinMaxValues() Gets the minMaxValues value
int	getNumbersLabelPrecision() Gets precision of labels values floating point numbers.
int	getNumbersLegendPrecision() Gets precision of legend values floating point numbers.
double	getOverallAngle() Returns the pie angle, how much angle the pie should occupy
double	getRadius() Returns pie series radius.
Point2D	getSliceHalfPoint(int index, double radius) Calculate point half angle of slice
double	getStartAngle() Returns slice start angle of pie chart segment
protected void	initMinMaxValues() Initializes minimum and maximum values
protected Point2D	projectPoint(Projector projector, GeneralPoint ptt, Point2D planePoint, double x, double y) Projects the point
void	setCenterPoint(GeneralPoint centerPoint) Set center of pie chart
void	setExplodeAndShrink(boolean flag) Set explode and shrink
void	setInnerRadius(double radius) Sets the Doughnut inner radius.
void	setLabelAreaMultiplier(int labelAreaMultiplier) Specifies label area multiplier (used for pie resize and leave label area, pie size is resized by multiplier * series label font size)
void	setLabelFormat(PieLabelFormat labelFormat) Set label format
void	setLabelFormatPattern(java.lang.String labelFormatPattern) Set pattern of label format Examples: "%1$.2f, %2$.0f%%, %3$s" 1 - value, 2 - percent, 3 - slice name
void	setLegendFormat(PieLegendFormat legendFormat) Set legend format
void	setLegendFormatPattern(java.lang.String legendFormatPattern) Set pattern of legend format Examples: "%1$.2f, %2$.0f%%, %3$s" 1 - value, 2 - percent, 3 - slice name
void	setLocale(java.util.Locale locale) Set locale of chart
void	setNumbersLabelPrecision(int numbersLabelPrecision) Sets floating point numbers precision in the label values.
void	setNumbersLegendPrecision(int numbersLegendPrecision) Sets floating point numbers precision in the legend values.
void	setOverallAngle(double angle) Specifies the pie angle, how much angle the pie should occupy.
void	setRadius(double radius) Sets pie series radius.
void	setStartAngle(double angle) Sets start angle of pie chart segment.
protected double	sumAllValues()
protected void	updateLegendStyle() Update legend style of legend symbol
protected void	validateExplodeData()

Methods inherited from class java.lang.Object

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

Field Detail

model

protected ArrayDataModel model

Series data model

metaModel

protected MetaDataModel metaModel

Meta data model

mapper

protected PlaneMapper mapper

Plane mapper

style

protected Style style

Style of series

tempPoint

protected GeneralPoint tempPoint

Template point for projecting points

planePoint

protected Point2D planePoint

Template point for mapping plane

projector

protected Projector projector

Point projector

paintMode

protected PaintMode paintMode

Paint mode of the series

dirty

protected boolean dirty

True, if dirty, otherwise -false

minMaxValues

protected java.util.Map<DataColumnType,MinMaxValues> minMaxValues

Minimum and Maximum values

innerRadius

protected double innerRadius

overallRadius

protected double overallRadius

shrinkRadius

protected double shrinkRadius

explodeAndShrink

protected boolean explodeAndShrink

minExplodeRadius

protected double minExplodeRadius

maxExplodeRadius

protected double maxExplodeRadius

labelMargin

protected double labelMargin

labelFormat

protected PieLabelFormat labelFormat

legendFormat

protected PieLegendFormat legendFormat

locale

protected java.util.Locale locale

values

protected java.lang.Double[] values

percentages

protected java.lang.Double[] percentages

overallAngle

protected double overallAngle

startAngle

protected double startAngle

entries

protected LegendEntry[] entries

p1

protected Point2D p1

p2

protected Point2D p2

np

protected Point2D np

labelFormatPattern

protected java.lang.String labelFormatPattern

legendFormatPattern

protected java.lang.String legendFormatPattern

numbersLabelPrecision

protected int numbersLabelPrecision

Specifies number precision for series labels

numbersLegendPrecision

protected int numbersLegendPrecision

Specifies number precision for series labels

sliceElements

protected java.util.ArrayList<ChartElementEntity> sliceElements

labelAreaMultiplier

protected int labelAreaMultiplier

Specifies label area multiplier (used for pie resize and leave label area, pie size is resized by multiplier * series label font size)

Constructor Detail

PieStrategy

public PieStrategy()

Pie strategy constructor

Method Detail

initMinMaxValues

protected void initMinMaxValues()

Initializes minimum and maximum values

dispose

public void dispose()

drawPie

protected void drawPie(AbstractGraphics g,
                       ChartProjector projector,
                       PlaneMapper mapper,
                       HotSpotMap hotMap,
                       Style style,
                       PieSeries series)

drawLabels

protected void drawLabels(AbstractGraphics g,
                          ChartProjector projector,
                          HotSpotMap hotMap,
                          Style style,
                          PieSeries series)

draw

public void draw(AbstractGraphics g,
                 ChartProjector projector,
                 PlaneMapper mapper,
                 HotSpotMap hotMap,
                 Style style,
                 PieSeries series)

sumAllValues

protected double sumAllValues()

validateExplodeData

protected void validateExplodeData()

calculateShrink

protected double calculateShrink()

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable

projectPoint

protected Point2D projectPoint(Projector projector,
                               GeneralPoint ptt,
                               Point2D planePoint,
                               double x,
                               double y)

Projects the point

Parameters:

projector - projector

ptt - template point

planePoint - template point to map plane coordinates

x - x coordinate to map

y - y coordinate to map

getMinMaxValues

public java.util.Map<DataColumnType,MinMaxValues> getMinMaxValues()

Gets the minMaxValues value

Returns:

the minMaxValues value

setInnerRadius

public void setInnerRadius(double radius)

Sets the Doughnut inner radius.

Parameters:

radius - doughnut inner radius (in range [0, 0.5]).

getInnerRadius

public double getInnerRadius()

Returns the Doughnut inner radius.

Returns:

Doughnut inner radius.

setRadius

public void setRadius(double radius)

Sets pie series radius.

Parameters:

radius - radius of pie series in range [0,0.5]

getRadius

public double getRadius()

Returns pie series radius.

Returns:

pie radius.

setStartAngle

public void setStartAngle(double angle)

Sets start angle of pie chart segment.

Parameters:

angle - angle [0; 360]

getStartAngle

public double getStartAngle()

Returns slice start angle of pie chart segment

Returns:

startAngle

setOverallAngle

public void setOverallAngle(double angle)

Specifies the pie angle, how much angle the pie should occupy. Default value is 360 degrees.

Parameters:

angle - angle [0; 360]

getOverallAngle

public double getOverallAngle()

Returns the pie angle, how much angle the pie should occupy

Returns:

startAngle

setCenterPoint

public void setCenterPoint(GeneralPoint centerPoint)

Set center of pie chart

Parameters:

centerPoint - point of the center the pie

getCenterPoint

public Point2D getCenterPoint()

Returns the center of pie

Returns:

Point2D center of pie

getSliceHalfPoint

public Point2D getSliceHalfPoint(int index,
                                 double radius)

Calculate point half angle of slice

Parameters:

index -

radius - radius of pie

Returns:

point of half angle

setExplodeAndShrink

public void setExplodeAndShrink(boolean flag)

Set explode and shrink

Parameters:

flag - true, if explode and shrink, otherwise explode, but not shrink

createLegendEntries

public LegendEntry[] createLegendEntries(ArrayDataModel model,
                                         MetaDataModel metaModel,
                                         Style style)

Create legend entries list

Parameters:

model - data model

metaModel - meta data model

style - style of pie charts

Returns:

list of legend entries

updateLegendStyle

protected void updateLegendStyle()

Update legend style of legend symbol

setLabelFormat

public void setLabelFormat(PieLabelFormat labelFormat)

Set label format

Parameters:

labelFormat - the labelFormat to set

getLabelFormat

public PieLabelFormat getLabelFormat()

Return label format

Returns:

the label format

getLabelFormatPattern

public java.lang.String getLabelFormatPattern()

Return label format

Returns:

the label format

setLabelFormatPattern

public void setLabelFormatPattern(java.lang.String labelFormatPattern)

Set pattern of label format Examples: "%1$.2f, %2$.0f%%, %3$s" 1 - value, 2 - percent, 3 - slice name

Parameters:

labelFormatPattern - the labelFormatPattern to set

getLegendFormatPattern

public java.lang.String getLegendFormatPattern()

Returns legend format pattern

Returns:

the legendFormatPattern

setLegendFormatPattern

public void setLegendFormatPattern(java.lang.String legendFormatPattern)

Set pattern of legend format Examples: "%1$.2f, %2$.0f%%, %3$s" 1 - value, 2 - percent, 3 - slice name

Parameters:

legendFormatPattern - the legendFormatPattern to set

getLegendFormat

public PieLegendFormat getLegendFormat()

Return legend format

Returns:

the legendFormat

setLegendFormat

public void setLegendFormat(PieLegendFormat legendFormat)

Set legend format

Parameters:

legendFormat - the legendFormat to set

getLocale

public java.util.Locale getLocale()

Return locale of charts

Returns:

the locale

setLocale

public void setLocale(java.util.Locale locale)

Set locale of chart

Parameters:

locale - the locale to set

getLabelText

protected java.lang.String getLabelText(double value,
                                        double percent,
                                        java.lang.String sliceTitle)

Return slices label text

Parameters:

value - value of slice

percent - percentage value of slices

sliceTitle - slice name

Returns:

label text

getLegendText

protected java.lang.String getLegendText(double value,
                                         double percent,
                                         java.lang.String sliceTitle)

Return slices legend text

Parameters:

value - value of slice

percent - percentage value of slices

sliceTitle - slice name

Returns:

legend text

convertToString

protected java.lang.String convertToString(java.lang.Double value,
                                           int precision,
                                           java.util.Locale local)

Parameters:

value -

precision - precision of value

local - locale of chart

Returns:

converted value

calculateValuesAndPercentages

public void calculateValuesAndPercentages(ArrayDataModel model)

Calculating values and percentages values of pie

Parameters:

model - data model

getNumbersLabelPrecision

public int getNumbersLabelPrecision()

Gets precision of labels values floating point numbers.

Returns:

precision of chart's floating point numbers

setNumbersLabelPrecision

public void setNumbersLabelPrecision(int numbersLabelPrecision)

Sets floating point numbers precision in the label values. If precision is negative then precision will be set to 0.

Parameters:

numbersLabelPrecision - precision of floating point numbers.

getNumbersLegendPrecision

public int getNumbersLegendPrecision()

Gets precision of legend values floating point numbers.

Returns:

precision of chart's floating point numbers

setNumbersLegendPrecision

public void setNumbersLegendPrecision(int numbersLegendPrecision)

Sets floating point numbers precision in the legend values. If precision is negative then precision will be set to 0.

Parameters:

numbersLegendPrecision - precision of floating point numbers.

fixStyles

protected void fixStyles()

setLabelAreaMultiplier

public void setLabelAreaMultiplier(int labelAreaMultiplier)

Specifies label area multiplier (used for pie resize and leave label area, pie size is resized by multiplier * series label font size)

Parameters:

labelAreaMultiplier - label area multiplier

getLabelAreaMultiplier

public int getLabelAreaMultiplier()

Returns label area multiplier (used for pie resize and leave label area, pie size is resized by multiplier * series label font size)

Returns:

label area multiplier