Package org.pepstock.charba.client.impl.charts

Class GaugeChart

java.lang.Object

org.pepstock.charba.client.events.HandlerManager

org.pepstock.charba.client.AbstractChart

org.pepstock.charba.client.impl.charts.GaugeChart

All Implemented Interfaces:

HasAxes, IsChart, IsDatasetCreator<GaugeDataset>

public final class GaugeChart
extends AbstractChart

GAUGE chart implementation.

Author:

Andrea "Stock" Stocchero

Field Summary

Fields

Modifier and Type	Field	Description
static ControllerType	CONTROLLER_TYPE	METER controller type
static double	DEFAULT_MAX	Default of maximum value of data in the a dataset (percentage based), 100.0.
static String	TYPE	Name of chart type "charbagauge" for gauge

Constructor Summary

Constructors

Constructor	Description
GaugeChart()	Builds the object.

Method Summary

Modifier and Type	Method	Description
protected void	applyConfiguration()	Called before any drawing or reconfiguration in order that the chart which implements it can override options
protected boolean	checkDataset(Dataset dataset)	Returns true if the dataset can be managed by a this chart type.
protected int	getMaximumDatasetsCount()	Returns the maximum amount of datasets that the chart can manage.
GaugeOptions	getOptions()	Returns the options of chart.
GaugeDataset	newDataset(boolean hidden)	Creates a new dataset related to chart type.
GaugeDataset	newDataset(double max)	Returns a data set with a maximum value.

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

addHandler, checkAxes, checkDatasets, clear, createAndSetTimer, destroy, draw, getActiveElements, getBaseType, getCanvas, getChartElement, getData, getDatasetAtEvent, getDatasetItem, getDefaultChartOptions, getElementAtEvent, getElementsAtEvent, getId, getInitialCursor, getMaximumAxesCount, 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.HasAxes

checkAxis

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

fireEvent, getHandlerCount, isEventHandled, toBase64Image, toBase64Image, toBase64Image

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

newDataset

Field Detail

TYPE

public static final String TYPE

Name of chart type "charbagauge" for gauge

See Also:

Constant Field Values

CONTROLLER_TYPE

public static final ControllerType CONTROLLER_TYPE

METER controller type

DEFAULT_MAX

public static final double DEFAULT_MAX

Default of maximum value of data in the a dataset (percentage based), 100.0.

See Also:

Constant Field Values

Constructor Detail

GaugeChart

public GaugeChart()

Builds the object.

Method Detail

getOptions

public GaugeOptions getOptions()

Description copied from interface: IsChart

Returns the options of chart.

Returns:

the options of chart.

newDataset

public GaugeDataset newDataset(boolean hidden)

Description copied from interface: IsDatasetCreator

Creates a new dataset related to chart type.

Parameters:

hidden - if true, it will be initially hidden.

Returns:

a new dataset related to chart type.

newDataset

public GaugeDataset newDataset(double max)

Returns a data set with a maximum value.

Parameters:

max - maximum value of data set

Returns:

data set instance

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

applyConfiguration

protected final void applyConfiguration()

Description copied from class: AbstractChart

Called before any drawing or reconfiguration in order that the chart which implements it can override options

Overrides:

applyConfiguration in class AbstractChart

getMaximumDatasetsCount

protected final int getMaximumDatasetsCount()

Description copied from class: AbstractChart

Returns the maximum amount of datasets that the chart can manage.

Overrides:

getMaximumDatasetsCount in class AbstractChart

Returns:

the maximum amount of datasets that the chart can manage.