User:Sledge/common.js

/* Any JavaScript here will be loaded for all users on every page load. */

var filters = { basic: { vendor: "vendor", type: "type", sfosversions: "SFOS versions" }, advanced: { // advanced filters have to be expanded to be seen ram: "RAM", soc: "SoC", cpucores: "CPU cores", cpufreq: "CPU frequency", screendimension: "screen dimension" } };

// default filter var default_hash_string = 'vendor=;';

var prefixes = ["some text here that (hopefully) never will be part of a value", "M", "G", "T"];

// you can add your own sort funtion to sort items in the dropdowns var sort_functions = { /*type: function(a, b) { var values = ["phone", "phablet", "tablet"]; // all other types will be appended behind these a_val = values.indexOf(a); b_val = values.indexOf(b); return (a_val == -1 ? 2147483647 : a_val) - (b_val == -1 ? 2147483647 : b_val); },*/ cpucores: function(a, b) { var values = ["single", "dual", "tri", "quad", "penta", "hexa", "octo"]; return values.indexOf(a) - values.indexOf(b); }, sfosversions: function(a, b) { return (a - b); }, cpufreq: function(a, b) { var a_val = parseFloat(a); var b_val = parseFloat(b); if (isNaN(a_val)) { return 1; }   if (isNaN(b_val)) { return -1; }   var i = 0; while (prefixes[i] && a.indexOf(prefixes[i]) == -1) { a_val *= 1000; i++; }   i = 0; while (prefixes[i] && b.indexOf(prefixes[i]) == -1) { b_val *= 1000; i++; }   return (a_val - b_val); }, screendimension: function(a, b) { var a_val = parseFloat(a); var b_val = parseFloat(b); if (isNaN(a_val)) { return 1; }   if (isNaN(b_val)) { return -1; }   return (a_val - b_val); } }; sort_functions.ram = sort_functions.cpufreq;

// no need to edit something behind this

/*** utility functions ***/

// from https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/indexOf if (!Array.prototype.indexOf) { Array.prototype.indexOf = function(searchElement /*, fromIndex */ ) { "use strict"; if (this == null) { throw new TypeError; }   var t = Object(this); var len = t.length >>> 0; if (len === 0) { return -1; }   var n = 0; if (arguments.length > 1) { n = Number(arguments[1]); if (n != n) { // shortcut for verifying if it's NaN n = 0; } else if (n != 0 && n != Infinity && n != -Infinity) { n = (n > 0 || -1) * Math.floor(Math.abs(n)); }   }    if (n >= len) { return -1; }   var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0); for (k < len; k++) { if (k in t && t[k] === searchElement) { return k;     } }   return -1; }; }

// Array Remove - by John Resig (MIT Licensed), from http://ejohn.org/blog/javascript-array-remove/ Array.prototype.remove = function(from, to) { var rest = this.slice((to || from) + 1 || this.length); this.length = from < 0 ? this.length + from : from; return this.push.apply(this, rest); };

function findPos(obj) { var curleft = 0; var curtop = 0; if (obj.offsetParent) { do { curleft += obj.offsetLeft; curtop += obj.offsetTop; }   while (obj = obj.offsetParent); }		return {left: curleft, top: curtop}; }

function clickElement($elem) { if ($elem.click) { $elem.click; } else { var evt = document.createEvent("MouseEvents"); evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null); $elem.dispatchEvent(evt); } }

// from http://davidwalsh.name/javascript-clone function clone (src) { function mixin (dest, source, copyFunc) { var name, s, i, empty = {}; for (name in source) { // the (!(name in empty) || empty[name] !== s) condition avoids copying properties in "source" // inherited from Object.prototype. For example, if dest has a custom toString method, // don't overwrite it with the toString method that source inherited from Object.prototype s = source[name]; if (!(name in dest) || (dest[name] !== s && (!(name in empty) || empty[name] !== s))) { dest[name] = copyFunc ? copyFunc(s) : s;     } }   return dest; }

if (!src || typeof src != "object" || Object.prototype.toString.call(src) === "[object Function]") { // null, undefined, any non-object, or function return src; // anything } if (src.nodeType && "cloneNode" in src) { // DOM Node return src.cloneNode(true); // Node } if (src instanceof Date) { // Date return new Date(src.getTime); // Date } if (src instanceof RegExp) { // RegExp return new RegExp(src);  // RegExp } var r, i, l;  if (src instanceof Array) { // array r = []; for (i = 0, l = src.length; i < l; ++i) { if (i in src) { r.push(clone(src[i])); }   }    // we don't clone functions for performance reasons //   }else if(d.isFunction(src)){ //     // function //     r = function{ return src.apply(this, arguments); }; } else { // generic objects r = src.constructor ? new src.constructor : {}; } return mixin(r, src, clone); }

function isEmpty(o) { for (var p in o) { if (!o.hasOwnProperty || o.hasOwnProperty(p)) return false; } return true; }

function listen(el, evnt, func, bubble) { if (el.addEventListener) { // W3C DOM el.addEventListener(evnt, func, bubble ? true : false); } else if (el.attachEvent) { // IE DOM el.attachEvent("on"+evnt, func); } }

function unlisten(el, evnt, func, bubble) { if (el.removeEventListener) { // W3C DOM el.removeEventListener(evnt, func, bubble ? true : false); } else if (el.detachEvent) { // IE DOM el.detachEvent("on"+evnt, func); } }

/*!
 * contentloaded.js
 * Author: Diego Perini (diego.perini at gmail.com)
 * Summary: cross-browser wrapper for DOMContentLoaded
 * Updated: 20101020
 * License: MIT
 * Version: 1.2
 * URL:
 * http://javascript.nwbox.com/ContentLoaded/
 * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE
 * http://javascript.nwbox.com/ContentLoaded/
 * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE

// @win window reference // @fn function reference function contentLoaded(win, fn) { var done = false, top = true, doc = win.document, root = doc.documentElement, add = doc.addEventListener ? 'addEventListener' : 'attachEvent', rem = doc.addEventListener ? 'removeEventListener' : 'detachEvent', pre = doc.addEventListener ? '' : 'on', init = function(e) { if (e.type == 'readystatechange' && doc.readyState != 'complete') return; (e.type == 'load' ? win : doc)[rem](pre + e.type, init, false); if (!done && (done = true)) fn.call(win, e.type || e); }, poll = function { try { root.doScroll('left'); } catch(e) { setTimeout(poll, 50); return; } init('poll'); }; if (doc.readyState == 'complete') fn.call(win, 'lazy'); else { if (doc.createEventObject && root.doScroll) { try { top = !win.frameElement; } catch(e) { } if (top) poll; } doc[add](pre + 'DOMContentLoaded', init, false); doc[add](pre + 'readystatechange', init, false); win[add](pre + 'load', init, false); } }

/*** end utlility functions */

var filter_data = {}; var all_filter_data; var $filter; var $devices; var $emptyNote; var closeListener; var oldHref;

function init_device_filter { if (document.getElementById("sfosDeviceFilterList").length == 0) return; // fill filter_data with empty arrays for each filter for (var category in filters) { for (var key in filters[category]) { filter_data[key] = []; } }  $devices = []; var $devices_children = document.getElementById("sfosDeviceFilterList").childNodes; for (var i=0; i<$devices_children.length; i++) { if ($devices_children[i].className && $devices_children[i].className.match(/\bdevice\b/)) { $devices.push($devices_children[i]); } }  $filter = document.createElement("div"); $filter.id = "sfosFilter"; $filter.innerHTML = ' Filter:  '; document.getElementById("sfosDeviceFilterList").parentNode.insertBefore($filter, document.getElementById("sfosDeviceFilterList")); $emptyNote = document.getElementById("sfosDeviceFilterEmptyNote"); // search query filtering listen(document.getElementById("filter_devices"), "keyup", function(e) {   filter_data.searchable = this.value.toLowerCase;    refilter_devices;  }); listen(document.getElementById("filter_devices"), "change", function(e) {   filter_data.searchable = this.value.toLowerCase;    update_location_hash;  }); // get all possible values for the dropdown filters for (var i=0; i<$devices.length; i++) { for (var key in filter_data) { var value = $devices[i].getAttribute("data-" + key); if (value == "") { $devices[i].setAttribute("data-" + key, "N/A"); value = "N/A"; }     if (key == "sfosversions") { //var versions = value.split(/,?\s+/); var versions = value.split(","); for (var k=0; k<versions.length; k++) { if (filter_data[key].indexOf(versions[k]) == -1) { filter_data[key].push(versions[k]); }       }      }      else { if (filter_data[key].indexOf(value) == -1) { filter_data[key].push(value); }     }    }  }  // sort all filter data for (var key in filter_data) { if (typeof sort_functions[key] !== "undefined") filter_data[key].sort(sort_functions[key]); else filter_data[key].sort; } // add dropdown menus for (var category in filters) { var $parent; if (category == "advanced") { var $allDevicesButton = document.createElement("a"); $allDevicesButton.href = "#"; $allDevicesButton.id = "allDevicesButton"; $allDevicesButton.innerHTML = "show all devices"; listen($allDevicesButton, "click", function(e) {       e.preventDefault;        filter_data = clone(all_filter_data);        update_location_hash;        return false;      }); $filter.appendChild($allDevicesButton); if (!isEmpty(filters[category])) { $filter.appendChild(document.createElement("br")); var $button = document.createElement("a"); $button.href = "#"; $button.id = "advancedButton"; $button.innerHTML = "advanced filters"; listen($button, "click", function(e) {         e.preventDefault;          this.className = (this.className == "expanded") ? "collapsed" : "expanded";          this.nextSibling.className = (this.nextSibling.className == "expanded") ? "collapsed" : "expanded";          this.blur;          return false;        }); $filter.appendChild($button); $parent = document.createElement("div"); $parent.id = "advancedFilters"; $parent.className = "collapsed"; $filter.appendChild($parent); }   }    else { $parent = $filter; }   for (var key in filters[category]) { var $dropdown = document.createElement("a"); $dropdown.href = "#"; $dropdown.className = "dropdown"; $dropdown.innerHTML = '' + filters[category][key] + " " + filter_data[key].length + " /" + filter_data[key].length; listen($dropdown, "click", function(e) {       e.preventDefault;        var $dropdown = this;        var $menu = this.nextSibling        if ($menu.style.display == 'block') {          // hide it now          $menu.style.display = '';          this.removeAttribute('data-active');        }        else {          this.setAttribute('data-active', 'true');          var position = findPos(this);          var parentPosition = findPos(this.parentNode);          $menu.style.display = 'block';          $menu.style.position = 'absolute';          $menu.style.top = position.top - parentPosition.top + this.offsetHeight - 1 + 'px';          $menu.style.left = position.left - parentPosition.left + 'px';          // capture click event to close menu on click anywhere else on the page          closeListener = function(e) {            var currElem = e.target;            // go through all of e.target's parentNodes while (currElem != null && currElem != document.body) { if (currElem == $menu) { return; }             if (currElem == $dropdown) { unlisten(document, "click", closeListener, true); return; }             currElem = currElem.parentNode; }           clickElement($dropdown); unlisten(document, "click", closeListener, true); };         listen(document, "click", closeListener, true); }       this.blur; return false; });     $parent.appendChild($dropdown);      var $menu = document.createElement("ul");      $menu.className = "dropdownMenu";      $menu.setAttribute("data-filter", key);      $parent.appendChild($menu);      // all and none buttons      var $li = document.createElement("li");      $li.className = "buttons";      var $all = document.createElement("a");      $all.href = "#";      $all.innerHTML = "all";      listen($all, "click", function(e) { e.preventDefault; var $ul = this.parentNode.parentNode.parentNode; var key = $ul.getAttribute("data-filter"); filter_data[key] = clone(all_filter_data[key]); var $checkedCnt = $ul.previousSibling.getElementsByTagName("span")[0]; var value = all_filter_data[key].length; $checkedCnt.innerHTML = value; $checkedCnt.className = "selected-" + value; var $currElem = this.parentNode.parentNode; while ($currElem = $currElem.nextSibling) { $currElem.className = "checked"; }       this.blur; update_location_hash; return false; });     var $none = document.createElement("a");      $none.href = "#";      $none.innerHTML = "none";      listen($none, "click", function(e) { e.preventDefault; var $ul = this.parentNode.parentNode.parentNode; var key = $ul.getAttribute("data-filter"); filter_data[key] = []; var $checkedCnt = $ul.previousSibling.getElementsByTagName("span")[0]; $checkedCnt.innerHTML = "0"; $checkedCnt.className = "selected-0"; var $currElem = this.parentNode.parentNode; while ($currElem = $currElem.nextSibling) { $currElem.className = ""; }       this.blur; update_location_hash; return false; });     var $span = document.createElement("span");      $span.appendChild($all);      $li.appendChild($span);      $span = document.createElement("span");      $span.appendChild($none);      $li.appendChild($span);      $menu.appendChild($li);      for (var i=0; i<filter_data[key].length; i++) {        $li = document.createElement("li");        $li.className = "checked";        $li.setAttribute("data-value", filter_data[key][i]);        $li.innerHTML = filter_data[key][i];        listen($li, "click", function(e) { var key = this.parentNode.getAttribute("data-filter"); var $checkedCnt = this.parentNode.previousSibling.getElementsByTagName("span")[0]; var value = parseInt($checkedCnt.innerHTML); if (this.className.indexOf("checked") == -1) { // unchecked, now checked this.className = "checked"; filter_data[key].push(this.getAttribute("data-value")); $checkedCnt.innerHTML = ++value; }         else { // checked, now unchecked this.className = ""; filter_data[key].remove(filter_data[key].indexOf(this.getAttribute("data-value"))); $checkedCnt.innerHTML = --value; }         $checkedCnt.className = "selected-" + value; update_location_hash; });       $menu.appendChild($li);      }    }  }  // create active filters  // standard = all on, so we can use filter_data  // just add the search query thing  filter_data.searchable = "";  all_filter_data = clone(filter_data);  if (location.hash == "" || location.hash == "#") {    location.hash = default_hash_string;  }  // react on hash changes  // from http://stackoverflow.com/a/9339972  if (!('onhashchange' in window)) {    oldHref = location.href;    setInterval(function { var newHref = location.href; if (oldHref !== newHref) { oldHref = newHref; decode_hash_string.call(window, {         'type': 'hashchange',          'newURL': newHref,          'oldURL': oldHref        }); }   }, 150);  }  else {    listen(window, "hashchange", decode_hash_string);  }  // initial filtering  decode_hash_string; }

function update_location_hash { var str = ""; for (var key in filter_data) { if (key == "searchable") { if (filter_data.searchable.length > 0) { str += 'searchable="' + filter_data.searchable + '";'; }     continue; }   if (filter_data[key].length == 0) { str += key + '=;' }   else if (filter_data[key].length != all_filter_data[key].length) { str += key + '="' + filter_data[key].join('","') + '";' } }  if (str == "" && "pushState" in history) { history.pushState("", document.title, location.pathname + location.search); // pushState does not trigger the hashchange event decode_hash_string; } else { location.hash = str; } }

function decode_hash_string { var hash = location.hash; filter_data = clone(all_filter_data); if (location.hash == "" || location.hash == "#") { // all ok, the full set is required console.info("hashchange", hash); console.log("no need to filter"); } else { hash = hash.slice(1); console.info("hashchange", hash); while (hash != "") { var breakPos = hash.indexOf("="); var key = hash.slice(0, breakPos); hash = hash.slice(breakPos+1); if (hash[0] == ";") { filter_data[key] = []; hash = hash.slice(1); }     else if (key == "searchable") { breakPos = hash.indexOf('";');       var value = hash.slice(1, breakPos);        hash = hash.slice(breakPos+2);        filter_data[key] = value;      }      else {        breakPos = hash.indexOf('";'); var value = hash.slice(1, breakPos); hash = hash.slice(breakPos+2); filter_data[key] = value.split('","'); }   }  }  var $dropdownMenus = $filter.getElementsByTagName("ul"); for (var i=0; i<$dropdownMenus.length; i++) { var key = $dropdownMenus[i].getAttribute("data-filter"); var $checkedCnt = $dropdownMenus[i].previousSibling.getElementsByTagName("span")[0]; var value = filter_data[key].length; $checkedCnt.innerHTML = value; $checkedCnt.className = "selected-" + value; var $currElem = $dropdownMenus[i].firstChild; while ($currElem = $currElem.nextSibling) { value = $currElem.getAttribute("data-value"); $currElem.className = (filter_data[key].indexOf(value) == -1) ? "" : "checked"; } }  document.getElementById("filter_devices").value = filter_data.searchable refilter_devices; }

function refilter_devices { var hidden_cnt = 0; for (var i=0; i<$devices.length; i++) { $devices[i].removeAttribute("data-hidden"); // first, check if device matches search query if ($devices[i].getAttribute("data-searchable").toLowerCase.indexOf(filter_data.searchable) == -1) { $devices[i].setAttribute("data-hidden", "true"); hidden_cnt++; continue; }   // then go through all filters and check if device matches here for (var key in filter_data) { if (key == "searchable") { // already handled outside the loop continue; }     var value = $devices[i].getAttribute("data-" + key); if (key == "sfosversions") { // requires special handling because it's a list //var versions = value.split(/,?\s+/); var versions = value.split(","); var suitableVersion = false; for (var k=0; k -1) { suitableVersion = true; break; }       }        if (!suitableVersion) { $devices[i].setAttribute("data-hidden", "true"); hidden_cnt++; break; }       continue; }     if (filter_data[key].indexOf(value) == -1) { $devices[i].setAttribute("data-hidden", "true"); hidden_cnt++; break; }   }  }  if (hidden_cnt == $devices.length) { $emptyNote.removeAttribute("data-hidden"); } else { $emptyNote.setAttribute("data-hidden", "true"); } }

contentLoaded(window, init_device_filter);