org.pepstock.charba.client

Class PieChart

java.lang.Object

org.pepstock.charba.client.events.HandlerManager

org.pepstock.charba.client.AbstractChart

org.pepstock.charba.client.PieChart

All Implemented Interfaces:

HasAxes, IsChart, IsDatasetCreator<PieDataset>

public class PieChart
extends AbstractChart
implements IsDatasetCreator<PieDataset>

PIE chart implementation.
A pie charts are divided in the segments, the arc of each segment shows the proportional value of each piece of data.
They are excellent at showing the relational proportions between data.

Author:

Andrea "Stock" Stocchero

Constructor Summary

Constructors

Modifier	Constructor and Description
	PieChart() Builds the object.
protected	PieChart(Type extendedType) Builds the chart. This is must be extended for controller which are based on this type of chart.

Method Summary

Modifier and Type	Method and Description
protected boolean	checkDataset(Dataset dataset) Returns true if the dataset can be managed by a this chart type.
PieOptions	getOptions() Returns the options of chart.
PieDataset	newDataset(boolean hidden) Creates a new dataset related to chart type.

Methods inherited from class org.pepstock.charba.client.AbstractChart

addHandler, applyConfiguration, checkAxes, checkDatasets, clear, createAndSetTimer, destroy, draw, getActiveElements, getBaseType, getCanvas, getChartElement, getData, getDatasetAtEvent, getDatasetItem, getDefaultChartOptions, getElementAtEvent, getElementsAtEvent, getId, getInitialCursor, getMaximumAxesCount, getMaximumDatasetsCount, getNode, getPlugins, getSource, getTimer, getTooltipActiveElements, getType, getVisibleDatasetCount, getWholeOptions, hide, hide, isChartAttached, isDatasetVisible, isDataVisible, isDestroyOnDetach, isDrawOnAttach, isInitialized, onAttach, onDetach, reconfigure, reconfigure, reconfigure, removeCanvasPreventDefault, render, reset, resetActiveElements, resetTooltipActiveElements, resize, resize, setActiveElements, setActiveElements, setDatasetVisibility, setDestroyOnDetach, setDrawOnAttach, setTooltipActiveElements, setTooltipActiveElements, show, show, stop, toBase64Image, toggleDataVisibility, update, update, update

Methods inherited from class org.pepstock.charba.client.events.HandlerManager

fireEvent, getHandlerCount, isEventHandled

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pepstock.charba.client.IsDatasetCreator

newDataset

Methods inherited from interface org.pepstock.charba.client.IsChart

checkAndGetIfConsistent, checkAndGetIfValid, checkIfConsistent, checkIfValid, fireEvent, getHandlerCount, isAbstractChart, isConsistent, isEventHandled, isValid, toBase64Image, toBase64Image, toBase64Image

Methods inherited from interface org.pepstock.charba.client.HasAxes

checkAxis

Constructor Detail

PieChart

public PieChart()

Builds the object.

PieChart

protected PieChart(Type extendedType)

Builds the chart.
This is must be extended for controller which are based on this type of chart.

Parameters:

extendedType - type of chart

Method Detail

getOptions

public PieOptions getOptions()

Description copied from interface: IsChart

Returns the options of chart.

Specified by:

getOptions in interface IsChart

Returns:

the options of chart.

newDataset

public PieDataset newDataset(boolean hidden)

Description copied from interface: IsDatasetCreator

Creates a new dataset related to chart type.

Specified by:

newDataset in interface IsDatasetCreator<PieDataset>

Parameters:

hidden - if true, it will be initially hidden.

Returns:

a new dataset related to chart type.

checkDataset

protected boolean checkDataset(Dataset dataset)

Description copied from class: AbstractChart

Returns true if the dataset can be managed by a this chart type.

Specified by:

checkDataset in class AbstractChart

Parameters:

dataset - dataset to check

Returns:

true if the dataset can be managed by a this chart type