lt.monarch.chart.chart2D.series
Class BarStrategy

java.lang.Object
  lt.monarch.chart.chart2D.series.AbstractBarStrategy
      lt.monarch.chart.chart2D.series.BarStrategy

All Implemented Interfaces:

java.io.Serializable, AbstractStrategy

Direct Known Subclasses:

FloatingBarStrategy, LinePlotStrategy, PercentageAreaBarStrategy, SPCBarStrategy, VersusBarStrategy, WaterfallBarStrategy

public class BarStrategy
extends AbstractBarStrategy

Bar drawing strategy. This strategy draws all bars.

See Also:

Serialized Form

Field Summary

Modifier and Type	Field and Description
protected Rectangle2D	projectionArea Projection area
protected int	size Data model size

Fields inherited from class lt.monarch.chart.chart2D.series.AbstractBarStrategy

avoidLayoutingInvisible, barSpacing, barWidth, baseValue, clipList, colorMapper, dirty, mapper, metaModel, minMaxValues, model, orientation, seriesCount, seriesIndex, seriesSpacing, shape, style, xMapper, yMapper, zoomMultiplier

Constructor and Description

BarStrategy()

Method Summary

Modifier and Type	Method and Description
void	dispose() Disposes the object
void	draw(AbstractGraphics g, Projector projector, PlaneMapper mapper, HotSpotMap hotMap, boolean showNullValues, Style style, int seriesCount, int seriesIndex, java.lang.Object baseValue, float barSpacing, float seriesSpacing, AbstractBarSeries barSeries, IndexedClipList clipList, ColorMapper colorMapper) No data painter
protected void	drawNoData(AbstractGraphics g, int index, Projector projector, boolean showNullValues, java.lang.Object x, java.lang.Object y, HotSpotMap hotMap) Draws no data bar
void	drawPrimitive(AbstractGraphics g, int index, Projector projector, HotSpotMap hotMap, boolean showNullValues, java.lang.Object baseValue, AbstractBarSeries barSeries) Draws one primitive
protected void	finalize()
protected static Transformation	get90DegRotation() Get tTransformation with 90 degree counter clockwise rotation.
double	getBarBottom(int index, java.lang.Object baseValue) Gets bottom bar position
protected Rectangle2D	getBarBoundaries(int index, java.lang.Object baseValue) Transforms the specified bar.
double	getBarPosition(int index) Gets bar position, where the bar should stand.
double	getBarTop(int index) Gets bar top position
protected Transformation	getBarTransformation(int size, double barWidth) Returns bar transformation matrix
protected double	getBarWidth() Returns general bar width for all bars.
double	getBarWidth(int index) Gets bar width from the style sheet.
protected double	getBottomBarTop(int index, DataColumnType dataColumn, AxisMapper mapper, java.lang.Object baseValue) Determines the bar position
Shape2D	getDefaultShape() Returns the default strategy shape
protected int	getLabelCount(AxisMapper mapper) Returns label count on the axis
protected Rectangle2D	getShapeBounds() Get bounds of bar shape.
protected Transformation	getTransformation(Orientation orientation, double barWidth) Gets the transformation for series
protected double	getZeroValue(AxisMapper mapper) Gets mapped zero value if possible to map
protected double	getZoomMultiplier(AxisMapper mapper) Returns zoom multiplier
protected boolean	isBarInvisible(int size, double val) Checks if the bar is visible

Methods inherited from class lt.monarch.chart.chart2D.series.AbstractBarStrategy

getMinMaxValues, getModel

Methods inherited from class java.lang.Object

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

Field Detail

size

protected int size

Data model size

projectionArea

protected Rectangle2D projectionArea

Projection area

Constructor Detail

BarStrategy

public BarStrategy()

Method Detail

draw

public void draw(AbstractGraphics g,
                 Projector projector,
                 PlaneMapper mapper,
                 HotSpotMap hotMap,
                 boolean showNullValues,
                 Style style,
                 int seriesCount,
                 int seriesIndex,
                 java.lang.Object baseValue,
                 float barSpacing,
                 float seriesSpacing,
                 AbstractBarSeries barSeries,
                 IndexedClipList clipList,
                 ColorMapper colorMapper)

No data painter

Overrides:

draw in class AbstractBarStrategy

Parameters:

g - graphics context

projector - projector instance

mapper - plane mapper

hotMap - hot spot map

showNullValues - boolean value indicating whether to show the null values

style - style object

seriesCount - series count

seriesIndex - series index

baseValue - base value

barSpacing - bar spacing

seriesSpacing - series spacing

barSeries - bar series instance

clipList - clip list

colorMapper - color mapper, which maps colors according to values

drawPrimitive

public void drawPrimitive(AbstractGraphics g,
                          int index,
                          Projector projector,
                          HotSpotMap hotMap,
                          boolean showNullValues,
                          java.lang.Object baseValue,
                          AbstractBarSeries barSeries)

Description copied from class: AbstractBarStrategy

Draws one primitive

Specified by:

drawPrimitive in class AbstractBarStrategy

Parameters:

g - graphics context

index - data point index

projector - projector

hotMap - hot spot map

showNullValues - if true show null values

baseValue - base line value

barSeries - bar series instance

get90DegRotation

protected static Transformation get90DegRotation()

Get tTransformation with 90 degree counter clockwise rotation.

Returns:

rotation Transformation

getShapeBounds

protected Rectangle2D getShapeBounds()

Get bounds of bar shape.

Returns:

Rectangle2D with bar shape bounds.

getBarBoundaries

protected Rectangle2D getBarBoundaries(int index,
                                       java.lang.Object baseValue)

Transforms the specified bar. Shifts according to transformation and determines it's top and bottom bounds.

Specified by:

getBarBoundaries in class AbstractBarStrategy

Parameters:

index - index of the data point

baseValue - base value

Returns:

returns boundary of the bar

getBarWidth

public double getBarWidth(int index)

Gets bar width from the style sheet. Works only when the mappers and data model have beens set.

Parameters:

index - data point index

Returns:

bar width

getBarPosition

public double getBarPosition(int index)

Description copied from class: AbstractBarStrategy

Gets bar position, where the bar should stand. If vertical then x coordinate, if horizontal y coordinate

Specified by:

getBarPosition in class AbstractBarStrategy

Parameters:

index - data point index

Returns:

bar position

getBarTop

public double getBarTop(int index)

Description copied from class: AbstractBarStrategy

Gets bar top position

Specified by:

getBarTop in class AbstractBarStrategy

Parameters:

index - data point index

Returns:

bar top position

getZeroValue

protected double getZeroValue(AxisMapper mapper)

Gets mapped zero value if possible to map

Parameters:

mapper - mapper

Returns:

zero value

getBarBottom

public double getBarBottom(int index,
                           java.lang.Object baseValue)

Description copied from class: AbstractBarStrategy

Gets bottom bar position

Specified by:

getBarBottom in class AbstractBarStrategy

Parameters:

index - index of data point

baseValue - base line value

Returns:

bar bottom position

drawNoData

protected void drawNoData(AbstractGraphics g,
                          int index,
                          Projector projector,
                          boolean showNullValues,
                          java.lang.Object x,
                          java.lang.Object y,
                          HotSpotMap hotMap)

Draws no data bar

Parameters:

g - graphics context

index - index of the bar

projector - projector

showNullValues - boolean value if to show null values

x - x value

y - y value

hotMap - hot spot map

getBottomBarTop

protected double getBottomBarTop(int index,
                                 DataColumnType dataColumn,
                                 AxisMapper mapper,
                                 java.lang.Object baseValue)

Determines the bar position

Parameters:

index - bar index

dataColumn - data column in the data model

mapper - axis mapper

Returns:

bar position

isBarInvisible

protected boolean isBarInvisible(int size,
                                 double val)

Checks if the bar is visible

Parameters:

size - size of the data model

val - value of the bar

Returns:

true if the bar is not visible

getBarTransformation

protected Transformation getBarTransformation(int size,
                                              double barWidth)

Returns bar transformation matrix

Parameters:

size - size of the data model

barWidth - bar width

Returns:

returns bar transformation matrix

getTransformation

protected Transformation getTransformation(Orientation orientation,
                                           double barWidth)

Gets the transformation for series

Returns:

bar transformation

getBarWidth

protected double getBarWidth()

Description copied from class: AbstractBarStrategy

Returns general bar width for all bars. This method works only when mappers have been set.

Specified by:

getBarWidth in class AbstractBarStrategy

Returns:

normalized bar width value

getLabelCount

protected int getLabelCount(AxisMapper mapper)

Returns label count on the axis

Parameters:

mapper - axis mapper

Returns:

returns label count on the mapper

getZoomMultiplier

protected double getZoomMultiplier(AxisMapper mapper)

Returns zoom multiplier

Parameters:

mapper - axis mapper to calculate the zoom

Returns:

zoom multiplier number

dispose

public void dispose()

Description copied from class: AbstractBarStrategy

Disposes the object

Specified by:

dispose in class AbstractBarStrategy

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable

getDefaultShape

public Shape2D getDefaultShape()

Description copied from class: AbstractBarStrategy

Returns the default strategy shape

Specified by:

getDefaultShape in class AbstractBarStrategy

Returns:

default strategy shape