Contents

/*
 * L.Mixin.Events adds custom events functionality to Leaflet classes
 */

L.Mixin = {};

L.Mixin.Events = {
	addEventListener: function (/*String*/ type, /*Function*/ fn, /*(optional) Object*/ context) {
		var events = this._leaflet_events = this._leaflet_events || {};
		events[type] = events[type] || [];
		events[type].push({
			action: fn,
			context: context || this
		});
		return this;
	},

	hasEventListeners: function (/*String*/ type) /*-> Boolean*/ {
		var k = '_leaflet_events';
		return (k in this) && (type in this[k]) && (this[k][type].length > 0);
	},

	removeEventListener: function (/*String*/ type, /*Function*/ fn, /*(optional) Object*/ context) {
		if (!this.hasEventListeners(type)) {
			return this;
		}

		for (var i = 0, events = this._leaflet_events, len = events[type].length; i < len; i++) {
			if (
				(events[type][i].action === fn) &&
				(!context || (events[type][i].context === context))
			) {
				events[type].splice(i, 1);
				return this;
			}
		}
		return this;
	},

	fireEvent: function (/*String*/ type, /*(optional) Object*/ data) {
		if (!this.hasEventListeners(type)) {
			return this;
		}

		var event = L.Util.extend({
			type: type,
			target: this
		}, data);

		var listeners = this._leaflet_events[type].slice();

		for (var i = 0, len = listeners.length; i < len; i++) {
			listeners[i].action.call(listeners[i].context || this, event);
		}

		return this;
	}
};

L.Mixin.Events.on = L.Mixin.Events.addEventListener;
L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
L.Mixin.Events.fire = L.Mixin.Events.fireEvent;

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
leaflet-ruby-0.3.beta4	lib/leaflet/src/core/Events.js
leaflet-ruby-0.3.beta3	lib/leaflet/src/core/Events.js
leaflet-ruby-0.3.beta1	lib/leaflet/src/core/Events.js