OpenLayers. Handler

Base class to construct a higher-level handler for event sequences. Handlers are created by controls, which ultimately have the responsibility of making changes to the map.

Summary

OpenLayers. Handler	Base class to construct a higher-level handler for event sequences.
Properties
id	Private.
control	Private.
map	Private.
keyMask	{Number}
active	Private.
Functions
OpenLayers. Handler	Construct a handler.
setMap
checkModifiers
activate	Turn on the handler.
deactivate	Turn off the handler.
callback	trigger the control’s named callback with the given arguments
register	register an event on the map
unregister	unregister an event from the map
destroy

Properties

id

Private. {String}

control

Private. {OpenLayers.Control}. The control that initialized this handler.

map

Private. {OpenLayers.Map}

keyMask

{Number}

active

Private. {Boolean}

Functions

OpenLayers. Handler

Construct a handler.

Parameters

control	{OpenLayers.Control}
callbacks	{Object} A hash of callback functions
options	{Object}

setMap

setMap: function ( map )

checkModifiers

checkModifiers: function ( evt )

activate

activate: function()

Turn on the handler. Returns false if the handler was already active.

Return

{Boolean}

deactivate

deactivate: function()

Turn off the handler. Returns false if the handler was already inactive.

Return: {Boolean}

callback

callback: function ( name,
args )

trigger the control’s named callback with the given arguments

register

register: function ( name,
method )

unregister

unregister: function ( name,
method )

unregister an event from the map

destroy

destroy: function ()