Template:Greece/Javascript5

/**

* hash.js
*
* Copyright (C) 2012 Emmanuel Garcia
* MIT Licensed
*
* ****************************************
*
* Hash.pushState(true);
*
* Hash.on('/page/([0-9]+)$',
*	{yep: function(path, parts) { }, nop: function() { }},
*	'Page $1');
*
* Hash.go('/page/1');
**/

(function() {

'use strict';

var hashes = {}, regexp = {}, history = [], freq = 100, num = 0, pushState = false, timer = null, currentUrl = null,

freeze = function(obj) { if (Object.freeze) return Object.freeze(obj); return obj; },

getHashParts = function() { return window.location.href.split('#'); },

startTimer = function() {

if (!timer) timer = setInterval(function() { if (num>0 && currentUrl!=window.location.href) { currentUrl = window.location.href; window.Hash.check(); } }, freq);

},

stopTimer = function() {

if (timer) { clearInterval(timer); timer = null; }

};

window.Hash = freeze({

pushState: function(yes) {

if (window.history && window.history.pushState) pushState = yes;

return this; },

fragment: function() {

var hash = getHashParts(); return (pushState) ? window.location.pathname + ((hash[1]) ? '#' + hash[1] : ) : hash[1] || ;

},

get: function(path, params) {

var p, fragment = , parameters = [];

for(p in params) { if (!Object.prototype.hasOwnProperty(p)) continue; parameters.push(encodeURIComponent(p) + '=' + encodeURIComponent(params[p])); }

if (parameters.length>0) parameters = '?' + parameters.join('&');

return (pushState) ? path + parameters : getHashParts()[0] + '#' + path + parameters;

},

go: function(hash, params) {

if (this.fragment()!=hash) { var to = this.get(hash, params);

if (pushState) window.history.pushState(null, document.title, to); else window.location.href = to; }

return this; },

update: function () {

currentUrl = window.location.href; return this;

},

on: function(hash, callback, title) {

if (!hashes[hash]) hashes[hash] = {title: title, listeners: []};

hashes[hash].listeners.push(callback); num++; startTimer();

return this; },

check: function() {

var i, hash, parts, fragment = this.fragment();

for (hash in hashes) { if (!Object.prototype.hasOwnProperty.call(hashes, hash)) continue;

hashes[hash].regexp = hashes[hash].regexp || new RegExp(hash);

if ((parts = hashes[hash].regexp.exec(fragment))) { if (hashes[hash].title) document.title = hashes[hash].title;

for (i = 0; i<hashes[hash].listeners.length; i++) if (hashes[hash].listeners[i].yep) hashes[hash].listeners[i].yep(fragment, parts); } else { for (i = 0; i<hashes[hash].listeners.length; i++) if (hashes[hash].listeners[i].nop) hashes[hash].listeners[i].nop(fragment); }

}

return this; } });

})();