application/media/js/jquery.query.js

   1 /**
   2  * jQuery.query - Query String Modification and Creation for jQuery
   3  * Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
   4  * Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
   5  * Date: 2009/02/08
   6  *
   7  * @author Blair Mitchelmore
   8  * @version 2.1.3
   9  *
  10  **/
  11 new function(settings) {
  12   // Various Settings
  13   var $separator = settings.separator || '&';
  14   var $spaces = settings.spaces === false ? false : true;
  15   var $suffix = settings.suffix === false ? '' : '[]';
  16   var $prefix = settings.prefix === false ? false : true;
  17   var $hash = $prefix ? settings.hash === true ? "#" : "?" : "";
  18   var $numbers = settings.numbers === false ? false : true;
  19
  20   jQuery.query = new function() {
  21     var is = function(o, t) {
  22       return o != undefined && o !== null && (!!t ? o.constructor == t : true);
  23     };
  24     var parse = function(path) {
  25       var m, rx = /\[([^[]*)\]/g, match = /^([^[]+)(\[.*\])?$/.exec(path), base = match[1], tokens = [];
  26       while (m = rx.exec(match[2])) tokens.push(m[1]);
  27       return [base, tokens];
  28     };
  29     var set = function(target, tokens, value) {
  30       var o, token = tokens.shift();
  31       if (typeof target != 'object') target = null;
  32       if (token === "") {
  33         if (!target) target = [];
  34         if (is(target, Array)) {
  35           target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
  36         } else if (is(target, Object)) {
  37           var i = 0;
  38           while (target[i++] != null);
  39           target[--i] = tokens.length == 0 ? value : set(target[i], tokens.slice(0), value);
  40         } else {
  41           target = [];
  42           target.push(tokens.length == 0 ? value : set(null, tokens.slice(0), value));
  43         }
  44       } else if (token && token.match(/^\s*[0-9]+\s*$/)) {
  45         var index = parseInt(token, 10);
  46         if (!target) target = [];
  47         target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
  48       } else if (token) {
  49         var index = token.replace(/^\s*|\s*$/g, "");
  50         if (!target) target = {};
  51         if (is(target, Array)) {
  52           var temp = {};
  53           for (var i = 0; i < target.length; ++i) {
  54             temp[i] = target[i];
  55           }
  56           target = temp;
  57         }
  58         target[index] = tokens.length == 0 ? value : set(target[index], tokens.slice(0), value);
  59       } else {
  60         return value;
  61       }
  62       return target;
  63     };
  64
  65     var queryObject = function(a) {
  66       var self = this;
  67       self.keys = {};
  68
  69       if (a.queryObject) {
  70         jQuery.each(a.get(), function(key, val) {
  71           self.SET(key, val);
  72         });
  73       } else {
  74         jQuery.each(arguments, function() {
  75           var q = "" + this;
  76                                         q = decodeURIComponent(q);
  77           q = q.replace(/^[?#]/,''); // remove any leading ? || #
  78           q = q.replace(/[;&]$/,''); // remove any trailing & || ;
  79           if ($spaces) q = q.replace(/[+]/g,' '); // replace +'s with spaces
  80
  81           jQuery.each(q.split(/[&;]/), function(){
  82             var key = this.split('=')[0];
  83             var val = this.split('=')[1];
  84
  85             if (!key) return;
  86
  87             if ($numbers) {
  88               if (/^[+-]?[0-9]+\.[0-9]*$/.test(val)) // simple float regex
  89                 val = parseFloat(val);
  90               else if (/^[+-]?[0-9]+$/.test(val)) // simple int regex
  91                 val = parseInt(val, 10);
  92             }
  93
  94             val = (!val && val !== 0) ? true : val;
  95
  96             if (val !== false && val !== true && typeof val != 'number')
  97               val = val;
  98
  99             self.SET(key, val);
 100           });
 101         });
 102       }
 103       return self;
 104     };
 105
 106     queryObject.prototype = {
 107       queryObject: true,
 108       has: function(key, type) {
 109         var value = this.get(key);
 110         return is(value, type);
 111       },
 112       GET: function(key) {
 113         if (!is(key)) return this.keys;
 114         var parsed = parse(key), base = parsed[0], tokens = parsed[1];
 115         var target = this.keys[base];
 116         while (target != null && tokens.length != 0) {
 117           target = target[tokens.shift()];
 118         }
 119         return typeof target == 'number' ? target : target || "";
 120       },
 121       get: function(key) {
 122         var target = this.GET(key);
 123         if (is(target, Object))
 124           return jQuery.extend(true, {}, target);
 125         else if (is(target, Array))
 126           return target.slice(0);
 127         return target;
 128       },
 129       SET: function(key, val) {
 130         var value = !is(val) ? null : val;
 131         var parsed = parse(key), base = parsed[0], tokens = parsed[1];
 132         var target = this.keys[base];
 133         this.keys[base] = set(target, tokens.slice(0), value);
 134         return this;
 135       },
 136       set: function(key, val) {
 137         return this.copy().SET(key, val);
 138       },
 139       REMOVE: function(key) {
 140         return this.SET(key, null).COMPACT();
 141       },
 142       remove: function(key) {
 143         return this.copy().REMOVE(key);
 144       },
 145       EMPTY: function() {
 146         var self = this;
 147         jQuery.each(self.keys, function(key, value) {
 148           delete self.keys[key];
 149         });
 150         return self;
 151       },
 152       load: function(url) {
 153         var hash = url.replace(/^.*?[#](.+?)(?:\?.+)?$/, "$1");
 154         var search = url.replace(/^.*?[?](.+?)(?:#.+)?$/, "$1");
 155         return new queryObject(url.length == search.length ? '' : search, url.length == hash.length ? '' : hash);
 156       },
 157       empty: function() {
 158         return this.copy().EMPTY();
 159       },
 160       copy: function() {
 161         return new queryObject(this);
 162       },
 163       COMPACT: function() {
 164         function build(orig) {
 165           var obj = typeof orig == "object" ? is(orig, Array) ? [] : {} : orig;
 166           if (typeof orig == 'object') {
 167             function add(o, key, value) {
 168               if (is(o, Array))
 169                 o.push(value);
 170               else
 171                 o[key] = value;
 172             }
 173             jQuery.each(orig, function(key, value) {
 174               if (!is(value)) return true;
 175               add(obj, key, build(value));
 176             });
 177           }
 178           return obj;
 179         }
 180         this.keys = build(this.keys);
 181         return this;
 182       },
 183       compact: function() {
 184         return this.copy().COMPACT();
 185       },
 186       toString: function() {
 187         var i = 0, queryString = [], chunks = [], self = this;
 188         var addFields = function(arr, key, value) {
 189           if (!is(value) || value === false) return;
 190           var o = [encodeURIComponent(key)];
 191           if (value !== true) {
 192             o.push("=");
 193             o.push(encodeURIComponent(value));
 194           }
 195           arr.push(o.join(""));
 196         };
 197         var build = function(obj, base) {
 198           var newKey = function(key) {
 199             return !base || base == "" ? [key].join("") : [base, "[", key, "]"].join("");
 200           };
 201           jQuery.each(obj, function(key, value) {
 202             if (typeof value == 'object')
 203               build(value, newKey(key));
 204             else
 205               addFields(chunks, newKey(key), value);
 206           });
 207         };
 208
 209         build(this.keys);
 210
 211         if (chunks.length > 0) queryString.push($hash);
 212         queryString.push(chunks.join($separator));
 213
 214         return queryString.join("");
 215       }
 216     };
 217
 218     return new queryObject(location.search, location.hash);
 219   };
 220 }(jQuery.query || {}); // Pass in jQuery.query as settings object