1 //This is used so IE can use the classList api
  2 /*
  3  * classList.js: Cross-browser full element.classList implementation.
  4  * 2011-06-15
  5  *
  6  * By Eli Grey, http://eligrey.com
  7  * Public Domain.
  8  * NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
  9  */
 10 
 11 if (typeof document !== "undefined" && !("classList" in document.createElement("a")))
 12 {
 13 	(function (view){
 14 
 15 		var classListProp = "classList",
 16 			protoProp = "prototype",
 17 			elemCtrProto = (view.HTMLElement || view.Element)[protoProp],
 18 			objCtr = Object,
 19 			strTrim = String[protoProp].trim ||
 20 			function ()
 21 			{
 22 				return this.replace(/^\s+|\s+$/g, "");
 23 			},
 24 			arrIndexOf = Array[protoProp].indexOf ||
 25 			function (item)
 26 			{
 27 				var
 28 				i = 0,
 29 					len = this.length;
 30 				for (; i < len; i++)
 31 				{
 32 					if (i in this && this[i] === item)
 33 					{
 34 						return i;
 35 					}
 36 				}
 37 				return -1;
 38 			}
 39 			// Vendors: please allow content code to instantiate DOMExceptions
 40 			,
 41 			/**
 42 			 * @private
 43 			 */
 44 			DOMEx = function (type, message)
 45 			{
 46 				this.name = type;
 47 				this.code = DOMException[type];
 48 				this.message = message;
 49 			},
 50 			/**
 51 			 * @private
 52 			 */
 53 			checkTokenAndGetIndex = function (classList, token)
 54 			{
 55 				if (token === "")
 56 				{
 57 					throw new DOMEx("SYNTAX_ERR", "An invalid or illegal string was specified");
 58 				}
 59 				if (/\s/.test(token))
 60 				{
 61 					throw new DOMEx("INVALID_CHARACTER_ERR", "String contains an invalid character");
 62 				}
 63 				return arrIndexOf.call(classList, token);
 64 			},
 65 			/**
 66 			 * @private
 67 			 */
 68 			ClassList = function (elem)
 69 			{
 70 				var
 71 				trimmedClasses = strTrim.call(elem.className),
 72 					classes = trimmedClasses ? trimmedClasses.split(/\s+/) : [],
 73 					i = 0,
 74 					len = classes.length;
 75 				for (; i < len; i++)
 76 				{
 77 					this.push(classes[i]);
 78 				}
 79 				this._updateClassName = function ()
 80 				{
 81 					elem.className = this.toString();
 82 				};
 83 			},
 84 			classListProto = ClassList[protoProp] = [],
 85 			/**
 86 			 * @private
 87 			 */
 88 			classListGetter = function ()
 89 			{
 90 				return new ClassList(this);
 91 			};
 92 		// Most DOMException implementations don't allow calling DOMException's toString()
 93 		// on non-DOMExceptions. Error's toString() is sufficient here.
 94 		DOMEx[protoProp] = Error[protoProp];
 95 		classListProto.item = function (i)
 96 		{
 97 			return this[i] || null;
 98 		};
 99 		classListProto.contains = function (token)
100 		{
101 			token += "";
102 			return checkTokenAndGetIndex(this, token) !== -1;
103 		};
104 		classListProto.add = function (token)
105 		{
106 			token += "";
107 			if (checkTokenAndGetIndex(this, token) === -1)
108 			{
109 				this.push(token);
110 				this._updateClassName();
111 			}
112 		};
113 		classListProto.remove = function (token)
114 		{
115 			token += "";
116 			var index = checkTokenAndGetIndex(this, token);
117 			if (index !== -1)
118 			{
119 				this.splice(index, 1);
120 				this._updateClassName();
121 			}
122 		};
123 		classListProto.toggle = function (token)
124 		{
125 			token += "";
126 			if (checkTokenAndGetIndex(this, token) === -1)
127 			{
128 				this.add(token);
129 			}
130 			else
131 			{
132 				this.remove(token);
133 			}
134 		};
135 		classListProto.toString = function ()
136 		{
137 			return this.join(" ");
138 		};
139 
140 		if (objCtr.defineProperty)
141 		{
142 			var classListPropDesc = {
143 				get: classListGetter,
144 				enumerable: true,
145 				configurable: true
146 			};
147 			try
148 			{
149 				objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
150 			}
151 			catch (ex)
152 			{ // IE 8 doesn't support enumerable:true
153 				if (ex.number === -0x7FF5EC54)
154 				{
155 					classListPropDesc.enumerable = false;
156 					objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
157 				}
158 			}
159 		}
160 		else if (objCtr[protoProp].__defineGetter__)
161 		{
162 			elemCtrProto.__defineGetter__(classListProp, classListGetter);
163 		}
164 
165 	}(self));
166 }
167 
168 /**
169  * DOM
170  *
171  * Dom manipulation module
172  */
173 (function (){
174 
175 	"use strict";
176 
177 	var d;
178 
179 	//Private function for getting/setting attributes/properties
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 null;
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 	/**
249 	 * Change css property name to it's
250 	 * javascript camel case equivalent
251 	 */
252 	function _toCamel(s)
253 	{
254 		return s.replace(/(\-[a-z])/g, function($1){
255 			return $1.toUpperCase().replace('-','');
256 		});
257 	}
258 
259 	function _css(sel, prop, val)
260 	{
261 		var equi;
262 
263 		//Camel-case
264 		prop = _toCamel(prop);
265 
266 		//Equivalent properties for 'special' browsers
267 		equi = {
268 			outerHeight: "offsetHeight",
269 			outerWidth: "offsetWidth",
270 			top: "posTop"
271 		};
272 
273 
274 		//If you don't define a value, try returning the existing value
275 		if(typeof val === "undefined" && sel.style[prop] !== "undefined")
276 		{
277 			return sel.style[prop];
278 		}
279 		else if(typeof val === "undefined" && sel.style[equi[prop]] !== "undefined")
280 		{
281 			return sel.style[equi[prop]];
282 		}
283 
284 		//Let's try the easy way first
285 		if(typeof sel.style[prop] !== "undefined")
286 		{
287 			sel.style[prop] = val;
288 
289 			//Short circuit
290 			return null;
291 		}
292 		else if(sel.style[equi[prop]])
293 		{
294 			sel.style[equi[prop]] = val;
295 			return null;
296 		}
297 	}
298 
299 	// --------------------------------------------------------------------------
300 
301 	/**
302 	 * DOM
303 	 *
304 	 * Dom manipulation module
305 	 * @namespace
306 	 * @memberOf $_
307 	 * @name dom
308 	 */
309 	d = {
310 		/**
311 		 * Adds a class to the element(s) specified by the current
312 		 * selector
313 		 *
314 		 * @name addClass
315 		 * @memberOf $_.dom
316 		 * @function
317 		 * @param string class
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 		 */
334 		removeClass: function (c)
335 		{
336 			$_.each(function (e){
337 				e.classList.remove(c);
338 			});
339 		},
340 		/**
341 		 * Hides the element(s) specified by the current selector
342 		 *
343 		 * @name hide
344 		 * @memberOf $_.dom
345 		 * @function
346 		 */
347 		hide: function ()
348 		{
349 			this.css('display', 'none');
350 		},
351 		/**
352 		 * Shows the element(s) specified by the current selector.
353 		 * if type is specified, the element will have it's style
354 		 * property set to "display:[your type]". If type is not
355 		 * specified, the element is set to "display:block".
356 		 *
357 		 * @name  show
358 		 * @memberOf $_.dom
359 		 * @function
360 		 * @param [string] type
361 		 */
362 		show: function (type)
363 		{
364 			if (typeof type === "undefined")
365 			{
366 				type = "block";
367 			}
368 
369 			this.css("display", type);
370 		},
371 		/**
372 		 * Sets attributes on element(s) specified by the current
373 		 * selector, or, if name is not specified, returns the
374 		 * value of the attribute of the element specified by the
375 		 * current selector.
376 		 *
377 		 * @name attr
378 		 * @memberOf $_.dom
379 		 * @function
380 		 * @param string name
381 		 * @param [string] value
382 		 * @return string
383 		 * @type string
384 		 */
385 		attr: function (name, value)
386 		{
387 			var sel = this.el;
388 
389 			//Make sure you don't try to get a bunch of elements
390 			if (sel.length > 1 && typeof value === "undefined")
391 			{
392 				return null;
393 			}
394 			else if (sel.length > 1 && typeof value !== "undefined") //You can set a bunch, though
395 			{
396 				$_.each(function (e){
397 					return _attr(e, name, value);
398 				});
399 			}
400 			else //Normal behavior
401 			{
402 				return _attr(sel, name, value);
403 			}
404 		},
405 		/**
406 		 * Sets or retrieves the text content of the element
407 		 * specified by the current selector. If a value is
408 		 * passed, it will set that value on the current element,
409 		 * otherwise it will return the value of the current element
410 		 *
411 		 * @name text
412 		 * @memberOf $_.dom
413 		 * @function
414 		 * @param [string] value
415 		 * @return string
416 		 * @type string
417 		 */
418 		text: function (value)
419 		{
420 			var oldValue, set, type, sel;
421 
422 			sel = this.el;
423 
424 			set = (typeof value !== "undefined") ? true : false;
425 
426 			type = (typeof sel.textContent !== "undefined")
427 				? "textContent"
428 				: (typeof sel.innerText !== "undefined")
429 					? "innerText"
430 					: "innerHTML";
431 
432 			oldValue = sel[type];
433 
434 			if(set)
435 			{
436 				sel[type] = value;
437 				return value;
438 			}
439 			else
440 			{
441 				return oldValue;
442 			}
443 		},
444 		/**
445 		 * Sets or retrieves a css property of the element
446 		 * specified by the current selector. If a value is
447 		 * passed, it will set that value on the current element,
448 		 * otherwise it will return the value of the css property
449 		 * on the current element
450 		 *
451 		 * @name css
452 		 * @memberOf $_.dom
453 		 * @function
454 		 * @param string property
455 		 * @param [string] value
456 		 * @return string
457 		 * @type string
458 		 */
459 		css: function (prop, val)
460 		{
461 			//Return the current value if a value is not set
462 			if(typeof val === "undefined")
463 			{
464 				return _css(this.el, prop);
465 			}
466 
467 			$_.each(function (e){
468 				_css(e, prop, val);
469 			});
470 		},
471 		/**
472 		 * Adds to the innerHTML of the current element, after the last child.
473 		 *
474 		 * @example $_("ul").dom.append("<li></li>") adds an li element to the end of the selected ul element
475 		 * @name append
476 		 * @memberOf $_.dom
477 		 * @function
478 		 * @param string htm
479 		 */
480 		append: function(htm)
481 		{
482 			if(typeof document.insertAdjacentHTML !== "undefined")
483 			{
484 				this.el.insertAdjacentHTML('beforeend', htm);
485 			}
486 			else
487 			{
488 				this.el.innerHTML += htm;
489 			}
490 		},
491 		/**
492 		 * Adds to the innerHTML of the selected element, before the current children
493 		 *
494 		 * @name prepend
495 		 * @memberOf $_.dom
496 		 * @function
497 		 * @param string htm
498 		 */
499 		 prepend: function(htm)
500 		 {
501 		 	if(typeof document.insertAdjacentHTML !== "undefined")
502 		 	{
503 		 		this.el.insertAdjacentHTML('afterbegin', htm);
504 		 	}
505 		 	else
506 		 	{
507 		 		this.el.innerHTML = htm + this.el.innerHTML;
508 		 	}
509 		 },
510 		/**
511 		 * Sets or gets the innerHTML propery of the element(s) passed
512 		 *
513 		 * @name html
514 		 * @memberOf $_.dom
515 		 * @function
516 		 * @param [string] htm
517 		 * @return string
518 		 * @type string
519 		 */
520 		html: function(htm)
521 		{
522 
523 			if(typeof htm !== "undefined")
524 			{
525 				this.el.innerHTML = htm;
526 			}
527 
528 			//If the parameter is undefined, just return the current value
529 			return this.el.innerHTML;
530 		}
531 	};
532 
533 	$_.ext('dom', d);
534 
535 }());