Event API¶
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class
wdom.event.
Event
(type, init=None)[source]¶ Bases:
object
Event interface class.
Create event object.
First argument (type) is a string to represents type of this event. Second optional argument (init) is a dictionally, which has fields for this event’s status.
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currentTarget
¶ Return current event target.
Return type: Optional
[WebEventTarget
]
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target
¶ Return original event target, which emitted this event first.
Return type: Optional
[WebEventTarget
]
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wdom.event.
create_event
(msg)[source]¶ Create Event from JSOM msg and set target nodes.
Parameters: - currentTarget (EventTarget) – Current event target node.
- target (EventTarget) – Node which emitted this event first.
- init (dict) – Event options.
Return type:
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class
wdom.event.
EventListener
(listener)[source]¶ Bases:
object
Class to wrap an event listener function.
Acceptable listeners are function, coroutine, and coroutine-function. If listener is a coroutine or coroutine-function, it will be executed synchronously as if it is normal function.
Wrap an event listener.
Event listener should be function or coroutine-function.
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class
wdom.event.
EventTarget
(*args, **kwargs)[source]¶ Bases:
object
Base class for EventTargets.
This class and subclasses can add/remove event listeners and emit events.
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addEventListener
(event, listener)[source]¶ Add event listener to this node.
event
is a string which determines the event type when the new listener called. Acceptable events are same as JavaScript, withouton
. For example, to add a listener which is called when this node is clicked, event is'click
.Return type: None
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removeEventListener
(event, listener)[source]¶ Remove an event listener of this node.
The listener is removed only when both event type and listener is matched.
Return type: None
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