Package org.pepstock.charba.client.callbacks

Class AbstractTooltipLabelCallback

java.lang.Object

org.pepstock.charba.client.callbacks.AbstractTooltipLabelCallback

All Implemented Interfaces:

TooltipLabelCallback

public abstract class AbstractTooltipLabelCallback
extends Object
implements TooltipLabelCallback

Abstract implementation of tooltip label callback in order to help who will implement it to override ONLY needed methods and use the default for the others.

Author:

Andrea "Stock" Stocchero

Constructor Summary

Constructors

Constructor	Description
AbstractTooltipLabelCallback()

Method Summary

Modifier and Type	Method	Description
List<String>	onLabel(IsChart chart, TooltipItem item)	Returns text to render for an individual item in the tooltip. If returns null or empty list, it will be ignored.
TooltipLabelColor	onLabelColor(IsChart chart, TooltipItem item)	Returns the colors and borders to render for the tooltip item. If returns null, it will be ignored.
IsColor	onLabelTextColor(IsChart chart, TooltipItem item)	Returns the colors for the text of the label for the tooltip item. If returns null, it will be ignored.

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.callbacks.TooltipLabelCallback

onAfterLabel, onBeforeLabel, onLabelPointStyle

Constructor Detail

AbstractTooltipLabelCallback

public AbstractTooltipLabelCallback()

Method Detail

onLabel

public List<String> onLabel(IsChart chart,
                            TooltipItem item)

Description copied from interface: TooltipLabelCallback

Returns text to render for an individual item in the tooltip.
If returns null or empty list, it will be ignored.

Specified by:

onLabel in interface TooltipLabelCallback

Parameters:

chart - chart instance

item - tooltip item

Returns:

label to be applied.

onLabelColor

public TooltipLabelColor onLabelColor(IsChart chart,
                                      TooltipItem item)

Description copied from interface: TooltipLabelCallback

Returns the colors and borders to render for the tooltip item.
If returns null, it will be ignored.

Specified by:

onLabelColor in interface TooltipLabelCallback

Parameters:

chart - chart instance

item - tooltip item

Returns:

label color to be applied.

onLabelTextColor

public IsColor onLabelTextColor(IsChart chart,
                                TooltipItem item)

Description copied from interface: TooltipLabelCallback

Returns the colors for the text of the label for the tooltip item.
If returns null, it will be ignored.

Specified by:

onLabelTextColor in interface TooltipLabelCallback

Parameters:

chart - chart instance

item - tooltip item

Returns:

label text color to be applied.