org.pepstock.charba.client.datalabels.events

Class AbstractEventHandler

java.lang.Object

org.pepstock.charba.client.datalabels.events.AbstractEventHandler

All Implemented Interfaces:

ClickEventHandler, EnterEventHandler, LeaveEventHandler

Direct Known Subclasses:

DataLabelsPointerHandler

public abstract class AbstractEventHandler
extends Object
implements EnterEventHandler, LeaveEventHandler, ClickEventHandler

Abstract event handler which implements all interfaces to listen DATA LABELS events.
Can be used as base class for custom implementation.

Author:

Andrea "Stock" Stocchero

Constructor Summary

Constructors

Constructor and Description
AbstractEventHandler()

Method Summary

Modifier and Type	Method and Description
boolean	onClick(AbstractChart<?,?> chart, Context context) Invoked to manage CLICK events on labels.
boolean	onEnter(AbstractChart<?,?> chart, Context context) Invoked to manage ENTER events on labels.
boolean	onLeave(AbstractChart<?,?> chart, Context context) Invoked to manage LEAVE events on labels.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractEventHandler

public AbstractEventHandler()

Method Detail

onClick

public boolean onClick(AbstractChart<?,?> chart,
                       Context context)

Description copied from interface: ClickEventHandler

Invoked to manage CLICK events on labels.

Specified by:

onClick in interface ClickEventHandler

Parameters:

chart - chart instance

context - DATALABELS plugin context instance

Returns:

If the callback explicitly returns true, the label is updated with the new context and the chart re-rendered.

onLeave

public boolean onLeave(AbstractChart<?,?> chart,
                       Context context)

Description copied from interface: LeaveEventHandler

Invoked to manage LEAVE events on labels.

Specified by:

onLeave in interface LeaveEventHandler

Parameters:

chart - chart instance

context - DATALABELS plugin context instance

Returns:

If the callback explicitly returns true, the label is updated with the new context and the chart re-rendered.

onEnter

public boolean onEnter(AbstractChart<?,?> chart,
                       Context context)

Description copied from interface: EnterEventHandler

Invoked to manage ENTER events on labels.

Specified by:

onEnter in interface EnterEventHandler

Parameters:

chart - chart instance

context - DATALABELS plugin context instance

Returns:

If the callback explicitly returns true, the label is updated with the new context and the chart re-rendered.