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 and Description
AbstractTooltipLabelCallback()

Method Summary

Modifier and Type	Method and Description
String	onAfterLabel(IsChart chart, TooltipItem item) Returns text to render after an individual label. If returns null, it will be ignored.
String	onBeforeLabel(IsChart chart, TooltipItem item) Returns text to render before an individual label. This will be called for each item in the tooltip. If returns null, it will be ignored.
String	onLabel(IsChart chart, TooltipItem item) Returns text to render for an individual item in the tooltip. If returns null, 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

onLabelPointStyle

Constructor Detail

AbstractTooltipLabelCallback

public AbstractTooltipLabelCallback()

Method Detail

onBeforeLabel

public String onBeforeLabel(IsChart chart,
                            TooltipItem item)

Description copied from interface: TooltipLabelCallback

Returns text to render before an individual label.
This will be called for each item in the tooltip.
If returns null, it will be ignored.

Specified by:

onBeforeLabel in interface TooltipLabelCallback

Parameters:

chart - chart instance

item - tooltip item

Returns:

label to be applied.

onLabel

public 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, 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.

onAfterLabel

public String onAfterLabel(IsChart chart,
                           TooltipItem item)

Description copied from interface: TooltipLabelCallback

Returns text to render after an individual label.
If returns null, it will be ignored.

Specified by:

onAfterLabel in interface TooltipLabelCallback

Parameters:

chart - chart instance

item - tooltip item

Returns:

label to be applied.