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taboverride.escape.js
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taboverride.escape.js
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/*! taboverride.escape v0.1.0 | https://github.com/wjbryant/taboverride.escape
Copyright (c) 2013 Bill Bryant | http:https://opensource.org/licenses/mit */
/*jslint browser: true */
/*global exports, require, define, tabOverride */
/**
* The tabOverride namespace object
*
* @external tabOverride
*/
// use CommonJS or AMD if available
(function (factory) {
'use strict';
if (typeof exports === 'object' && typeof require === 'function') {
// Node.js/CommonJS
factory(require('taboverride'));
} else if (typeof define === 'function' && define.amd) {
// AMD - register as an anonymous module
// files must be concatenated using an AMD-aware tool such as r.js
define(['taboverride'], factory);
} else {
// no module format - use global variable
factory(tabOverride);
}
}(function (tabOverride) {
'use strict';
var escape = true,
listeners = tabOverride.utils.createListeners([
{
type: 'keydown',
handler: function (e) {
e = e || event;
if (escape && e.keyCode === 27) {
tabOverride.utils.removeListeners(e.target || e.srcElement);
}
}
},
{
type: 'blur',
handler: function (e) {
e = e || event;
tabOverride.utils.addListeners(e.target || e.srcElement);
}
}
]);
/**
* Gets or sets whether the escape extension is enabled (true) or disabled
* (false).
*
* @param {boolean} [enable] whether to enable the escape extension
* @return {boolean|Object} whether the escape extension is
* enabled or the tabOverride object
*
* @method external:tabOverride.escape
*/
tabOverride.escape = function (enable) {
if (arguments.length) {
escape = enable ? true : false;
return this;
}
return escape;
};
tabOverride.addExtension('set', function (elem, enable) {
listeners[enable ? 'add' : 'remove'](elem);
});
}));