36 lines
1.1 KiB
Nim
36 lines
1.1 KiB
Nim
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import tables, hashes, json
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type
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EventType* = enum
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evtReady = "READY"
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BaseEvent* = object of RootObj
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name*: string
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ReadyEvent* = object of BaseEvent
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readyPayload*: JsonNode
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# Table storing all the event listeners
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let eventListeners = newTable[string, seq[proc(event: BaseEvent)]]()
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proc registerEventListener*(event: EventType, listener: proc(event: BaseEvent)) =
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if (eventListeners.hasKey($event)):
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var listeners = eventListeners[$event]
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listeners.add(cast[proc(event: BaseEvent)](listener))
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echo "Added other event listener: ", $event
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else:
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let tmp = @[listener]
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eventListeners.add($event, tmp)
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echo "Added new event listener: ", $event
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proc dispatchEvent*[T: BaseEvent](event: T) =
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#let base: BaseEvent = BaseEvent(event)
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if (eventListeners.hasKey(event.name)):
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let listeners = eventListeners[event.name]
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for index, eventListener in listeners.pairs:
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echo "Dispatching event: ", event.name
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eventListener(event)
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else:
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echo "No event listeners for event: ", event.name
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