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Name Type Description conditionCondition | undefined A function that takes a
MapBrowserEventand returns a boolean to indicate whether that event should be handled. Default isaltShiftKeysOnly.durationnumber (defaults to 250) Animation duration in milliseconds.
Fires:
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change(BaseEvent) - Generic change event. Triggered when the revision counter is increased. -
change:active(ObjectEvent) -
error(BaseEvent) - Generic error event. Triggered when an error occurs. -
propertychange(ObjectEvent) - Triggered when a property is changed.
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Extends
Observable Properties
| Name | Type | Settable | ObjectEvent type | Description |
|---|---|---|---|---|
active |
boolean | yes | change:active |
|
Methods
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Increases the revision counter and dispatches a 'change' event.
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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
typeproperty.Name Type Description eventBaseEvent | string Event object.
Returns:
falseif anyone called preventDefault on the event object or if any of the listeners returned false.
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Gets a value.
Name Type Description keystring Key name.
Returns:
Value.
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Return whether the interaction is currently active.
Returns:
trueif the interaction is active,falseotherwise.
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Get a list of object property names.
Returns:
List of property names.
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Get the map associated with this interaction.
Returns:
Map.
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Returns the current number of pointers involved in the interaction, e.g.
2when two fingers are used.Returns:
The number of pointers.
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Get an object of all property names and values.
Returns:
Object.
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Get the version number for this object. Each time the object is modified, its version number will be incremented.
Returns:
Revision.
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Handles the
map browser eventand may call into other functions, if event sequences like e.g. 'drag' or 'down-up' etc. are detected.Name Type Description mapBrowserEventMapBrowserEvent Map browser event.
Returns:
falseto stop event propagation.
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Listen for a certain type of event.
Name Type Description typestring | Array.<string> The event type or array of event types.
listenerfunction The listener function.
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.
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Listen once for a certain type of event.
Name Type Description typestring | Array.<string> The event type or array of event types.
listenerfunction The listener function.
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.
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Sets a value.
Name Type Description keystring Key name.
value* Value.
silentboolean | undefined Update without triggering an event.
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Activate or deactivate the interaction.
Name Type Description activeboolean Active.
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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 valuesObject.<string, *> Values.
silentboolean | undefined Update without triggering an event.
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Unlisten for a certain type of event.
Name Type Description typestring | Array.<string> The event type or array of event types.
listenerfunction The listener function.
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Unsets a property.
Name Type Description keystring Key name.
silentboolean | undefined Unset without triggering an event.