1 /*
  2  * classList.js: Cross-browser full element.classList implementation.
  3  * 2011-06-15
  4  *
  5  * By Eli Grey, http://eligrey.com
  6  * Public Domain.
  7  * NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
  8  */
  9 
 10 if (typeof document !== "undefined" && !("classList" in document.createElement("a")))
 11 {
 12 	(function (view){
 13 	
 14 		var classListProp = "classList",
 15 			protoProp = "prototype",
 16 			elemCtrProto = (view.HTMLElement || view.Element)[protoProp],
 17 			objCtr = Object,
 18 			strTrim = String[protoProp].trim ||
 19 			function ()
 20 			{
 21 				return this.replace(/^\s+|\s+$/g, "");
 22 			},
 23 			arrIndexOf = Array[protoProp].indexOf ||
 24 			function (item)
 25 			{
 26 				var
 27 				i = 0,
 28 					len = this.length;
 29 				for (; i < len; i++)
 30 				{
 31 					if (i in this && this[i] === item)
 32 					{
 33 						return i;
 34 					}
 35 				}
 36 				return -1;
 37 			}
 38 			// Vendors: please allow content code to instantiate DOMExceptions
 39 			,
 40 			/**
 41 			 * @private
 42 			 */
 43 			DOMEx = function (type, message)
 44 			{
 45 				this.name = type;
 46 				this.code = DOMException[type];
 47 				this.message = message;
 48 			},
 49 			/**
 50 			 * @private
 51 			 */
 52 			checkTokenAndGetIndex = function (classList, token)
 53 			{
 54 				if (token === "")
 55 				{
 56 					throw new DOMEx("SYNTAX_ERR", "An invalid or illegal string was specified");
 57 				}
 58 				if (/\s/.test(token))
 59 				{
 60 					throw new DOMEx("INVALID_CHARACTER_ERR", "String contains an invalid character");
 61 				}
 62 				return arrIndexOf.call(classList, token);
 63 			},
 64 			/**
 65 			 * @private
 66 			 */
 67 			ClassList = function (elem)
 68 			{
 69 				var
 70 				trimmedClasses = strTrim.call(elem.className),
 71 					classes = trimmedClasses ? trimmedClasses.split(/\s+/) : [],
 72 					i = 0,
 73 					len = classes.length;
 74 				for (; i < len; i++)
 75 				{
 76 					this.push(classes[i]);
 77 				}
 78 				this._updateClassName = function ()
 79 				{
 80 					elem.className = this.toString();
 81 				};
 82 			},
 83 			classListProto = ClassList[protoProp] = [],
 84 			/**
 85 			 * @private
 86 			 */
 87 			classListGetter = function ()
 88 			{
 89 				return new ClassList(this);
 90 			};
 91 		// Most DOMException implementations don't allow calling DOMException's toString()
 92 		// on non-DOMExceptions. Error's toString() is sufficient here.
 93 		DOMEx[protoProp] = Error[protoProp];
 94 		classListProto.item = function (i)
 95 		{
 96 			return this[i] || null;
 97 		};
 98 		classListProto.contains = function (token)
 99 		{
100 			token += "";
101 			return checkTokenAndGetIndex(this, token) !== -1;
102 		};
103 		classListProto.add = function (token)
104 		{
105 			token += "";
106 			if (checkTokenAndGetIndex(this, token) === -1)
107 			{
108 				this.push(token);
109 				this._updateClassName();
110 			}
111 		};
112 		classListProto.remove = function (token)
113 		{
114 			token += "";
115 			var index = checkTokenAndGetIndex(this, token);
116 			if (index !== -1)
117 			{
118 				this.splice(index, 1);
119 				this._updateClassName();
120 			}
121 		};
122 		classListProto.toggle = function (token)
123 		{
124 			token += "";
125 			if (checkTokenAndGetIndex(this, token) === -1)
126 			{
127 				this.add(token);
128 			}
129 			else
130 			{
131 				this.remove(token);
132 			}
133 		};
134 		classListProto.toString = function ()
135 		{
136 			return this.join(" ");
137 		};
138 
139 		if (objCtr.defineProperty)
140 		{
141 			var classListPropDesc = {
142 				get: classListGetter,
143 				enumerable: true,
144 				configurable: true
145 			};
146 			try
147 			{
148 				objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
149 			}
150 			catch (ex)
151 			{ // IE 8 doesn't support enumerable:true
152 				if (ex.number === -0x7FF5EC54)
153 				{
154 					classListPropDesc.enumerable = false;
155 					objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
156 				}
157 			}
158 		}
159 		else if (objCtr[protoProp].__defineGetter__)
160 		{
161 			elemCtrProto.__defineGetter__(classListProp, classListGetter);
162 		}
163 
164 	}(self));
165 }
166 
167 // --------------------------------------------------------------------------
168 
169 (function (){
170 
171 	"use strict";
172 
173 	var d, tag_reg, class_reg;
174 	
175 	tag_reg = /^([\w\-]+)$/;
176 	class_reg = /\.([\w\-]+)$/;
177 	
178 	
179 	//Private function for getting/setting attributes
180 	function _attr(sel, name, value)
181 	{
182 		var oldVal, doAttr;
183 
184 		//Get the value of the attribute, if it exists
185 		if (typeof sel.hasAttribute !== "undefined")
186 		{
187 			if (sel.hasAttribute(name))
188 			{
189 				oldVal = sel.getAttribute(name);
190 			}
191 
192 			doAttr = true;
193 		}
194 		else if (typeof sel[name] !== "undefined")
195 		{
196 			oldVal = sel[name];
197 			doAttr = false;
198 		}
199 		else if (name === "class" && typeof sel.className !== "undefined") //className attribute
200 		{
201 			name = "className";
202 			oldVal = sel.className;
203 			doAttr = false;
204 		}
205 
206 		//Well, I guess that attribute doesn't exist
207 		if (typeof oldVal === "undefined" && (typeof value === "undefined" || value === null))
208 		{
209 			console.log(value);
210 			console.log(sel);
211 			console.log("Element does not have the selected attribute");
212 			return;
213 		}
214 
215 		//No value to set? Return the current value
216 		if (typeof value === "undefined")
217 		{
218 			return oldVal;
219 		}
220 
221 		//Determine what to do with the attribute
222 		if (typeof value !== "undefined" && value !== null)
223 		{
224 			if(doAttr === true)
225 			{
226 				sel.setAttribute(name, value);
227 			}
228 			else
229 			{
230 				sel[name] = value;
231 			} 
232 		}
233 		else if (value === null)
234 		{
235 			if(doAttr === true)
236 			{
237 				sel.removeAttribute(name);
238 			}
239 			else
240 			{
241 				delete sel[name];
242 			} 
243 		}
244 
245 		return (typeof value !== "undefined") ? value : oldVal;
246 	}
247 	
248 	function _toCamel(s)
249 	{
250 		return s.replace(/(\-[a-z])/g, function($1){
251 			return $1.toUpperCase().replace('-','');
252 		});
253 	}
254 
255 	function _css(sel, prop, val)
256 	{
257 		var equi;
258 		
259 		//Camel-case
260 		prop = _toCamel(prop);
261 
262 		//Equivalent properties for 'special' browsers
263 		equi = {
264 			outerHeight: "offsetHeight",
265 			outerWidth: "offsetWidth",
266 			top: "posTop"
267 		};
268 		
269 		
270 		//If you don't define a value, try returning the existing value
271 		if(typeof val === "undefined" && sel.style[prop] !== "undefined")
272 		{
273 			return sel.style[prop];
274 		}
275 		else if(typeof val === "undefined" && sel.style[equi[prop]] !== "undefined")
276 		{
277 			return sel.style[equi[prop]];
278 		}
279 
280 		//Let's try the easy way first
281 		if(typeof sel.style[prop] !== "undefined")
282 		{
283 			sel.style[prop] = val;
284 
285 			//Short circuit
286 			return;
287 		}
288 		else if(sel.style[equi[prop]])
289 		{
290 			sel.style[equi[prop]] = val;
291 			return;
292 		}
293 		
294 		//No matches? Well, lets log it for now
295 		console.log("Property " + prop + " nor an equivalent seems to exist");
296 	}
297 	
298 	// --------------------------------------------------------------------------
299 
300 	/**
301 	 * DOM
302 	 * 
303 	 * Dom manipulation module
304 	 * @namespace
305 	 * @memberOf $_
306 	 * @name dom
307 	 */
308 	d = {
309 		/**
310 		 * Adds a class to the element(s) specified by the current
311 		 * selector
312 		 * 
313 		 * @name addClass
314 		 * @memberOf $_.dom
315 		 * @function
316 		 * @param string class
317 		 * @return void
318 		 */
319 		addClass: function (c)
320 		{
321 			$_.each(function (e){
322 				e.classList.add(c);
323 			});
324 		},
325 		/**
326 		 * Removes a class from the element(s) specified by the current
327 		 * selector
328 		 * 
329 		 * @name removeClass
330 		 * @memberOf $_.dom
331 		 * @function
332 		 * @param string class
333 		 * @return void
334 		 */
335 		removeClass: function (c)
336 		{
337 			$_.each(function (e){
338 				e.classList.remove(c);
339 			});
340 		},
341 		/**
342 		 * Hides the element(s) specified by the current selector
343 		 * 
344 		 * @name hide
345 		 * @memberOf $_.dom
346 		 * @function
347 		 * @return void
348 		 */
349 		hide: function ()
350 		{
351 			this.css('display', 'none');
352 		},
353 		/**
354 		 * Shows the element(s) specified by the current selector. 
355 		 * if type is specified, the element will have it's style
356 		 * property set to "display:[your type]". If type is not
357 		 * specified, the element is set to "display:block".
358 		 * 
359 		 * @name  show
360 		 * @memberOf $_.dom
361 		 * @function
362 		 * @param [string] type
363 		 * @return void
364 		 */
365 		show: function (type)
366 		{
367 			if (typeof type === "undefined")
368 			{
369 				type = "block";
370 			}
371 
372 			this.css("display", type);
373 		},
374 		/**
375 		 * Sets attributes on element(s) specified by the current 
376 		 * selector, or, if name is not specified, returns the 
377 		 * value of the attribute of the element specified by the
378 		 * current selector.
379 		 *
380 		 * @name attr
381 		 * @memberOf $_.dom
382 		 * @function
383 		 * @param string name
384 		 * @param string value
385 		 * @return string
386 		 * @type string
387 		 */
388 		attr: function (name, value)
389 		{
390 			var sel = this.el;
391 
392 			//Make sure you don't try to get a bunch of elements
393 			if (sel.length > 1 && typeof value === "undefined")
394 			{
395 				console.log(sel);
396 				console.log("Must be a singular element");
397 				return;
398 			}
399 			else if (sel.length > 1 && typeof value !== "undefined") //You can set a bunch, though
400 			{
401 				$_.each(function (e){
402 					return _attr(e, name, value);
403 				});
404 			}
405 			else //Normal behavior
406 			{
407 				return _attr(sel, name, value);
408 			}
409 		},
410 		/**
411 		 * Sets or retrieves the text content of the element
412 		 * specified by the current selector. If a value is 
413 		 * passed, it will set that value on the current element,
414 		 * otherwise it will return the value of the current element
415 		 *
416 		 * @name text
417 		 * @memberOf $_.util
418 		 * @function
419 		 * @param [string] value
420 		 * @returns string
421 		 * @type string
422 		 */
423 		text: function (value)
424 		{
425 			var oldValue, set, type, sel;
426 		
427 			sel = this.el;
428 			
429 			set = (typeof value !== "undefined") ? true : false;
430 			
431 			type = (typeof sel.innerText !== "undefined")
432 				? "innerText"
433 				: (typeof sel.textContent !== "undefined")
434 					? "textContent"
435 					: "innerHTML";
436 
437 			oldValue = sel[type];
438 			
439 			if(set)
440 			{
441 				sel[type] = value;
442 				return value;
443 			}
444 			else
445 			{
446 				return oldValue;
447 			}
448 		},
449 		/**
450 		 * Sets or retrieves a css property of the element
451 		 * specified by the current selector. If a value is 
452 		 * passed, it will set that value on the current element,
453 		 * otherwise it will return the value of the css property
454 		 * on the current element
455 		 *
456 		 * @name css
457 		 * @memberOf $_.util
458 		 * @function
459 		 * @param string property
460 		 * @param [string] value
461 		 * @returns string
462 		 * @type string
463 		 */
464 		css: function (prop, val)
465 		{
466 			//Return the current value if a value is not set
467 			if(typeof val === "undefined")
468 			{
469 				return _css(this.el, prop);
470 			}
471 		
472 			$_.each(function (e){
473 				_css(e, prop, val);
474 			});
475 		}
476 	};
477 
478 	$_.ext('dom', d);
479 	
480 }());
481