event.go

package echo

import (
	"github.com/admpub/events"
)

func On(name string, handlers ...events.Listener) events.Emitterer {
	return events.Default.On(name, handlers...)
}

func OnCallback(name string, cb func(events.Event) error, id ...string) events.Emitterer {
	return events.Default.On(name, events.Callback(cb, id...))
}

func OnStream(name string, ch chan events.Event, id ...string) events.Emitterer {
	var h events.Listener
	if len(id) > 0 {
		h = events.StreamWithID(ch, id[0])
	} else {
		h = events.Stream(ch)
	}
	return events.Default.On(name, h)
}

func Off(name string) events.Emitterer {
	return events.Default.Off(name)
}

func AddListener(listener events.Listener, names ...string) events.Emitterer {
	events.Default.AddEventListener(listener, names...)
	return events.Default
}

func RemoveListener(listener events.Listener) events.Emitterer {
	events.Default.RemoveEventListener(listener)
	return events.Default
}

func Fire(e interface{}) error {
	return events.Default.Fire(e)
}

func FireByName(name string, options ...events.EventOption) error {
	return events.Default.FireByName(name, options...)
}

func FireByNameWithMap(name string, data events.Map) error {
	return events.Default.FireByNameWithMap(name, data)
}

func HasEvent(name string) bool {
	return events.Default.HasEvent(name)
}

func EventNames() []string {
	return events.Default.EventNames()
}

func NewEvent(data interface{}, options ...events.EventOption) events.Event {
	return events.New(data, options...)
}

type Event = events.Event