lt.monarch.chart.chart3D.series
Class AbstractPie3DLabelsLayouter

java.lang.Object
  lt.monarch.chart.chart3D.series.AbstractPie3DLabelsLayouter

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Pie3DLabelsAutoLayouter, Pie3DLabelsInsideLayouter, Pie3DLabelsOutsideLayouter

public abstract class AbstractPie3DLabelsLayouter
extends java.lang.Object
implements java.io.Serializable

Abstract pie labels layouter class. It defines what methods the pie labels layouter should implement and implements common methods for all layouter in it.

See Also:

Serialized Form

Field Summary

Modifier and Type	Field and Description
protected Pie3DLabelAlignment	labelAlignment
protected java.util.ArrayList<Pie3DSliceLabelEntry>	pieLabelList

Constructor and Description

AbstractPie3DLabelsLayouter()

Method Summary

Modifier and Type	Method and Description
protected Point3D	calculateLabelPosition(double radius, double angle, Point3D center, double height) Calculate label position in pie charts
Pie3DLabelAlignment	getPieLabelAlignment() Gets alignment type of pie labels
protected boolean	isPieDifficult() If labels angle is smaller minAngle, than pie is difficult
abstract void	layout(java.util.ArrayList<Pie3DSliceLabelEntry> labelList, Projector projector)
void	setPieLabelAlignment(Pie3DLabelAlignment alignment) Sets alignment type of pie labels

Methods inherited from class java.lang.Object

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

Field Detail

pieLabelList

protected java.util.ArrayList<Pie3DSliceLabelEntry> pieLabelList

labelAlignment

protected Pie3DLabelAlignment labelAlignment

Constructor Detail

AbstractPie3DLabelsLayouter

public AbstractPie3DLabelsLayouter()

Method Detail

setPieLabelAlignment

public void setPieLabelAlignment(Pie3DLabelAlignment alignment)

Sets alignment type of pie labels

Parameters:

alignment - alignment type

getPieLabelAlignment

public Pie3DLabelAlignment getPieLabelAlignment()

Gets alignment type of pie labels

Returns:

alignment type

calculateLabelPosition

protected Point3D calculateLabelPosition(double radius,
                                         double angle,
                                         Point3D center,
                                         double height)

Calculate label position in pie charts

Parameters:

radius - radius of pie

angle - angle of slice

center - point of the pie

Returns:

calculated point

isPieDifficult

protected boolean isPieDifficult()

If labels angle is smaller minAngle, than pie is difficult

Returns:

true, if pie is difficult

layout

public abstract void layout(java.util.ArrayList<Pie3DSliceLabelEntry> labelList,
                            Projector projector)

Parameters:

labelList - list of labels

projector - projector of charts