uk.ac.ed.epcc.webapp.charts

Class PieChart

java.lang.Object

uk.ac.ed.epcc.webapp.AbstractContexed

uk.ac.ed.epcc.webapp.charts.Chart

uk.ac.ed.epcc.webapp.charts.PieChart

All Implemented Interfaces:

Contexed

public class PieChart
extends Chart

A basic piechart where the data comes from a Table or Map

Field Summary

Fields

Modifier and Type	Field and Description
static double	other_frac

Fields inherited from class uk.ac.ed.epcc.webapp.AbstractContexed

conn

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PieChart(AppContext conn)

Method Summary

Modifier and Type	Method and Description
SingleValueSetPlot	getData(java.util.Map<java.lang.String,java.lang.Number> data) Generate a Plot from a Map setting legends to the key values
boolean	getData(Table t, java.lang.String col_key) create a piechart from a column of a table.
boolean	getData(Table t, java.lang.String label_key, java.lang.String col_key) create a PieChart from a column of a table labeled by the values of a different column.
static PieChart	getInstance(AppContext c)
boolean	hasSignificantData(SetPlot ds)

Methods inherited from class uk.ac.ed.epcc.webapp.charts.Chart

getChartData, getLegendName, makeDataset, setChartData, setLegendName, sortSets, sortSets, sortSets

Methods inherited from class uk.ac.ed.epcc.webapp.AbstractContexed

getContext, getLogger, resetLogger

Methods inherited from class java.lang.Object

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

Field Detail

other_frac

public static double other_frac

Constructor Detail

PieChart

protected PieChart(AppContext conn)

Method Detail

getData

public boolean getData(Table t,
                       java.lang.String col_key)
                throws InvalidArgument

create a piechart from a column of a table. Results are sorted and cut.

Parameters:

t -

col_key -

Returns:

boolean true if more than one segment

Throws:

InvalidArgument

hasSignificantData

public boolean hasSignificantData(SetPlot ds)

getData

public boolean getData(Table t,
                       java.lang.String label_key,
                       java.lang.String col_key)
                throws InvalidArgument

create a PieChart from a column of a table labeled by the values of a different column.

Parameters:

t -

label_key -

col_key -

Returns:

true if more than one segment

Throws:

InvalidArgument

getData

public SingleValueSetPlot getData(java.util.Map<java.lang.String,java.lang.Number> data)

Generate a Plot from a Map setting legends to the key values

Parameters:

data -

Returns:

generated Plot

getInstance

public static PieChart getInstance(AppContext c)