devextreme/dist/transpiled/viz/vector_map/event_emitter.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var Callbacks = require("../../core/utils/callbacks");

var eventEmitterMethods = {
    _initEvents: function _initEvents() {
        var names = this._eventNames,
            i,
            ii = names.length,
            events = this._events = {};
        for (i = 0; i < ii; ++i) {
            events[names[i]] = Callbacks();
        }
    },

    _disposeEvents: function _disposeEvents() {
        var events = this._events,
            name;
        for (name in events) {
            events[name].empty();
        }
        this._events = null;
    },

    on: function on(handlers) {
        var events = this._events,
            name;
        for (name in handlers) {
            events[name].add(handlers[name]);
        }
        return dispose;
        function dispose() {
            for (name in handlers) {
                events[name].remove(handlers[name]);
            }
        }
    },

    _fire: function _fire(name, arg) {
        this._events[name].fire(arg);
    }
};

exports.makeEventEmitter = function (target) {
    var proto = target.prototype,
        name;
    for (name in eventEmitterMethods) {
        proto[name] = eventEmitterMethods[name];
    }
};

///#DEBUG
exports._TESTS_eventEmitterMethods = eventEmitterMethods;
///#ENDDEBUG