org.askalon.graph.chart
Interface PieChart

All Superinterfaces:

Chart, Cleanable, OrderedChart, SectionChart

public interface PieChart
extends OrderedChart

Interface for the pie chart, which is a is a circular chart divided into sections that display relative magnitudes or percents.

Author:

Georg Schild and Franz Endstrasser

Method Summary

boolean	getShowPercentInLegend()
float	getTransparency()
double	getValue(int section) Gets the value for the given section
void	removeEntity(int idx) Removes the section specified by the index.
void	setShowPercentInLegend(boolean b) Shows or hides percentage values in the legend
void	setTransparency(float f) Sets transparency for all pie pieces
void	setValue(int idx, double value) Sets the value of the section with the id idx to the specified value.

Methods inherited from interface org.askalon.graph.chart.OrderedChart

decrementOrder, getOrder, incrementOrder, setOrder

Methods inherited from interface org.askalon.graph.chart.SectionChart

getSectionColor, getSectionCount, getSectionName, isVisible, setSectionColor, setSectionName, setVisible

Methods inherited from interface org.askalon.graph.chart.Chart

getChartConfiguration, getChartMenu, getChartName, getLegend, getUnit, getXAxisText, getYAxisText, isDisableUpdate, isEdgesVisible, refreshConfiguration, resetConfiguration, setChartConfiguration, setDisableUpdate, setEdgesVisible, setUnit, setXAxisText, setYAxisText

Methods inherited from interface org.askalon.graph.chart.base.Cleanable

cleanUp

Method Detail

setValue

void setValue(int idx,
              double value)

Sets the value of the section with the id idx to the specified value. Values are normalized automatically.

Parameters:

idx - the index of the section

value - the new value for this section

getValue

double getValue(int section)

Gets the value for the given section

Parameters:

section -

Returns:

value of the given section or -1 if the section doesn't exist

removeEntity

void removeEntity(int idx)

Removes the section specified by the index.

Parameters:

idx - the index of the section to remove

setShowPercentInLegend

void setShowPercentInLegend(boolean b)

Shows or hides percentage values in the legend

Parameters:

b -

getShowPercentInLegend

boolean getShowPercentInLegend()

Returns:

true if percentage is shown in the legend, false otherwise

setTransparency

void setTransparency(float f)

Sets transparency for all pie pieces

Parameters:

f - in the range 0.0f-1.0f

getTransparency

float getTransparency()

Returns:

current transparency value