new ol.interaction.MouseWheelZoom(opt_options)
Name | Type | Description | ||||||
---|---|---|---|---|---|---|---|---|
options |
Options.
|
Fires:
-
change:active
(ol.ObjectEvent) -
propertychange
(ol.ObjectEvent) - Triggered when a property is changed.
Extends
Observable Properties
Name | Type | Settable | ol.ObjectEvent type | Description |
---|---|---|---|---|
active |
boolean | yes | change:active |
|
Methods
-
ol.interaction.MouseWheelZoom.handleEvent(mapBrowserEvent){boolean} experimental
src/ol/interaction/mousewheelzoominteraction.js, line 72 -
Handles the
map browser event
(if it was a mousewheel-event) and eventually zooms the map.This:
Name Type Description mapBrowserEvent
ol.MapBrowserEvent Map browser event.
Returns:
false
to stop event propagation.
-
changed() inherited experimental
src/ol/observable.js, line 52 -
Increases the revision counter and dispatches a 'change' event.
Fires:
-
change
experimental
-
-
get(key){*} inherited
src/ol/object.js, line 150 -
Gets a value.
Name Type Description key
string Key name.
Returns:
Value.
-
getActive(){boolean} inherited experimental
src/ol/interaction/interaction.js, line 65 -
Return whether the interaction is currently active.
Returns:
true
if the interaction is active,false
otherwise.
-
getKeys(){Array.<string>} inherited
src/ol/object.js, line 164 -
Get a list of object property names.
Returns:
List of property names.
-
getProperties(){Object.<string, *>} inherited
src/ol/object.js, line 174 -
Get an object of all property names and values.
Returns:
Object.
-
getRevision(){number} inherited experimental
src/ol/observable.js, line 62 -
Returns:
Revision.
-
on(type, listener, opt_this){goog.events.Key} inherited
src/ol/observable.js, line 75 -
Listen for a certain type of event.
Name Type Description type
string | Array.<string> The event type or array of event types.
listener
function The listener function.
this
Object The object to use as
this
inlistener
.Returns:
Unique key for the listener.
-
once(type, listener, opt_this){goog.events.Key} inherited
src/ol/observable.js, line 88 -
Listen once for a certain type of event.
Name Type Description type
string | Array.<string> The event type or array of event types.
listener
function The listener function.
this
Object The object to use as
this
inlistener
.Returns:
Unique key for the listener.
-
set(key, value) inherited
src/ol/object.js, line 203 -
Sets a value.
Name Type Description key
string Key name.
value
* Value.
-
setActive(active) inherited experimental
src/ol/interaction/interaction.js, line 86 -
Activate or deactivate the interaction.
Name Type Description active
boolean Active.
-
setProperties(values) inherited
src/ol/object.js, line 216 -
Sets a collection of key-value pairs. Note that this changes any existing properties and adds new ones (it does not remove any existing properties).
Name Type Description values
Object.<string, *> Values.
-
un(type, listener, opt_this) inherited
src/ol/observable.js, line 101 -
Unlisten for a certain type of event.
Name Type Description type
string | Array.<string> The event type or array of event types.
listener
function The listener function.
this
Object The object which was used as
this
by thelistener
. -
unByKey(key) inherited
src/ol/observable.js, line 114 -
Removes an event listener using the key returned by
on()
oronce()
. Note that using theol.Observable.unByKey
static function is to be preferred.Name Type Description key
goog.events.Key The key returned by
on()
oronce()
. -
unset(key) inherited
src/ol/object.js, line 229 -
Unsets a property.
Name Type Description key
string Key name.