Class: Attribution

ol.control.Attribution

Control to show all the attributions associated with the layer sources in the map. This control is one of the default controls included in maps. By default it will show in the bottom right portion of the map, but this can be changed by using a css selector for .ol-attribution.

new ol.control.Attribution(opt_options)

src/ol/control/attribution.js, line 26
Name Type Description
options

Attribution options.

Name Type Description
className string | undefined experimental

CSS class name. Default is ol-attribution.

target Element | undefined experimental

Target.

collapsible boolean | undefined experimental

Specify if attributions can be collapsed. If you use an OSM source, should be set to false — see OSM Copyright — Default is true.

collapsed boolean | undefined experimental

Specify if attributions should be collapsed at startup. Default is true.

tipLabel string | undefined experimental

Text label to use for the button tip. Default is Attributions

label string | Node | undefined experimental

Text label to use for the collapsed attributions button. Default is i. Instead of text, also a Node (e.g. a span element) can be used.

collapseLabel string | Node | undefined experimental

Text label to use for the expanded attributions button. Default is ». Instead of text, also a Node (e.g. a span element) can be used.

render function | undefined experimental

Function called when the control should be re-rendered. This is called in a requestAnimationFrame callback.

Fires:

Extends

Methods

ol.control.Attribution.render(mapEvent) experimental

src/ol/control/attribution.js, line 205

Update the attribution element.

This:
Name Type Description
mapEvent ol.MapEvent

Map event.

changed() inherited experimental

src/ol/observable.js, line 58

Increases the revision counter and dispatches a 'change' event.

dispatchEvent(event) inherited experimental

src/ol/observable.js, line 75

Dispatches an event and calls all listeners listening for events of this type. The event parameter can either be a string or an Object with a type property.

Name Type Description
event Object | ol.events.Event | string

Event object.

get(key){*} inherited

src/ol/object.js, line 148

Gets a value.

Name Type Description
key string

Key name.

Returns:
Value.

getCollapsed(){boolean}

src/ol/control/attribution.js, line 402

Return true when the attribution is currently collapsed or false otherwise.

Returns:
True if the widget is collapsed.

getCollapsible(){boolean}

src/ol/control/attribution.js, line 359

Return true if the attribution is collapsible, false otherwise.

Returns:
True if the widget is collapsible.

getKeys(){Array.<string>} inherited

src/ol/object.js, line 162

Get a list of object property names.

Returns:
List of property names.

getMap(){ol.Map} inherited

src/ol/control/control.js, line 94

Get the map associated with this control.

Returns:
Map.

getProperties(){Object.<string, *>} inherited

src/ol/object.js, line 172

Get an object of all property names and values.

Returns:
Object.

getRevision(){number} inherited experimental

src/ol/observable.js, line 84

Get the version number for this object. Each time the object is modified, its version number will be incremented.

Returns:
Revision.

on(type, listener, opt_this){ol.EventsKey|Array.<ol.EventsKey>} inherited

src/ol/observable.js, line 99

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 in listener.

Returns:
Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.

once(type, listener, opt_this){ol.EventsKey|Array.<ol.EventsKey>} inherited

src/ol/observable.js, line 124

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 in listener.

Returns:
Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.

set(key, value, opt_silent) inherited

src/ol/object.js, line 197

Sets a value.

Name Type Description
key string

Key name.

value *

Value.

silent boolean

Update without triggering an event.

setCollapsed(collapsed)

src/ol/control/attribution.js, line 388

Collapse or expand the attribution according to the passed parameter. Will not do anything if the attribution isn't collapsible or if the current collapsed state is already the one requested.

Name Type Description
collapsed boolean

True if the widget is collapsed.

setCollapsible(collapsible)

src/ol/control/attribution.js, line 369

Set whether the attribution should be collapsible.

Name Type Description
collapsible boolean

True if the widget is collapsible.

setMap(map) inherited

src/ol/control/control.js, line 106

Remove the control from its current map and attach it to the new map. Subclasses may set up event handlers to get notified about changes to the map here.

Name Type Description
map ol.Map

Map.

setProperties(values, opt_silent) inherited

src/ol/object.js, line 217

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.

silent boolean

Update without triggering an event.

setTarget(target) inherited experimental

src/ol/control/control.js, line 137

This function is used to set a target element for the control. It has no effect if it is called after the control has been added to the map (i.e. after setMap is called on the control). If no target is set in the options passed to the control constructor and if setTarget is not called then the control is added to the map's overlay container.

Name Type Description
target Element | string

Target.

un(type, listener, opt_this) inherited

src/ol/observable.js, line 147

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 the listener.

unByKey(key) inherited

src/ol/observable.js, line 168

Removes an event listener using the key returned by on() or once(). Note that using the ol.Observable.unByKey static function is to be preferred.

Name Type Description
key ol.EventsKey | Array.<ol.EventsKey>

The key returned by on() or once() (or an array of keys).

unset(key, opt_silent) inherited

src/ol/object.js, line 231

Unsets a property.

Name Type Description
key string

Key name.

silent boolean

Unset without triggering an event.