/**

 * adds a bindGlobal method to Mousetrap that allows you to

 * bind specific keyboard shortcuts that will still work

 * inside a text input field

 *

 * usage:

 * Mousetrap.bindGlobal('ctrl+s', _saveChanges);

 */

/* global Mousetrap:true */

(function(Mousetrap) {

    var _globalCallbacks = {};

    var _originalStopCallback = Mousetrap.prototype.stopCallback;

    Mousetrap.prototype.stopCallback = function(e, element, combo, sequence) {

        var self = this;

        if (self.paused) {

            return true;

        }

        if (_globalCallbacks[combo] || _globalCallbacks[sequence]) {

            return false;

        }

        return _originalStopCallback.call(self, e, element, combo);

    };

    Mousetrap.prototype.bindGlobal = function(keys, callback, action) {

        var self = this;

        self.bind(keys, callback, action);

        if (keys instanceof Array) {

            for (var i = 0; i < keys.length; i++) {

                _globalCallbacks[keys[i]] = true;

            }

            return;

        }

        _globalCallbacks[keys] = true;

    };

    Mousetrap.init();

}) (Mousetrap);