1 //This is used so IE 8 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;
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;
291 		}
292 		else if(sel.style[equi[prop]])
293 		{
294 			sel.style[equi[prop]] = val;
295 			return;
296 		}
297 		
298 		//No matches? Well, lets log it for now
299 		console.log("Property " + prop + " nor an equivalent seems to exist");
300 	}
301 	
302 	// --------------------------------------------------------------------------
303 
304 	/**
305 	 * DOM
306 	 * 
307 	 * Dom manipulation module
308 	 * @namespace
309 	 * @memberOf $_
310 	 * @name dom
311 	 */
312 	d = {
313 		/**
314 		 * Adds a class to the element(s) specified by the current
315 		 * selector
316 		 * 
317 		 * @name addClass
318 		 * @memberOf $_.dom
319 		 * @function
320 		 * @param string class
321 		 */
322 		addClass: function (c)
323 		{
324 			$_.each(function (e){
325 				e.classList.add(c);
326 			});
327 		},
328 		/**
329 		 * Removes a class from the element(s) specified by the current
330 		 * selector
331 		 * 
332 		 * @name removeClass
333 		 * @memberOf $_.dom
334 		 * @function
335 		 * @param string class
336 		 */
337 		removeClass: function (c)
338 		{
339 			$_.each(function (e){
340 				e.classList.remove(c);
341 			});
342 		},
343 		/**
344 		 * Hides the element(s) specified by the current selector
345 		 * 
346 		 * @name hide
347 		 * @memberOf $_.dom
348 		 * @function
349 		 */
350 		hide: function ()
351 		{
352 			this.css('display', 'none');
353 		},
354 		/**
355 		 * Shows the element(s) specified by the current selector. 
356 		 * if type is specified, the element will have it's style
357 		 * property set to "display:[your type]". If type is not
358 		 * specified, the element is set to "display:block".
359 		 * 
360 		 * @name  show
361 		 * @memberOf $_.dom
362 		 * @function
363 		 * @param [string] type
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 $_.dom
418 		 * @function
419 		 * @param [string] value
420 		 * @return 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.textContent !== "undefined")
432 				? "textContent"
433 				: (typeof sel.innerText !== "undefined")
434 					? "innerText"
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 $_.dom
458 		 * @function
459 		 * @param string property
460 		 * @param [string] value
461 		 * @return 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 		 * Adds to the innerHTML of the current element, after the last child.
478 		 * 
479 		 * @example $_("ul").dom.append("<li></li>") adds an li element to the end of the selected ul element
480 		 * @name append
481 		 * @memberOf $_.dom
482 		 * @function
483 		 * @param string htm
484 		 */
485 		append: function(htm)
486 		{
487 			if(typeof document.insertAdjacentHTML !== "undefined")
488 			{
489 				this.el.insertAdjacentHTML('beforeend', htm);
490 			}
491 			else
492 			{
493 				this.el.innerHTML += htm;
494 			}
495 		},
496 		/**
497 		 * Adds to the innerHTML of the selected element, before the current children
498 		 * 
499 		 * @name prepend
500 		 * @memberOf $_.dom
501 		 * @function
502 		 * @param string htm
503 		 */
504 		 prepend: function(htm)
505 		 {
506 		 	if(typeof document.insertAdjacentHTML !== "undefined")
507 		 	{
508 		 		this.el.insertAdjacentHTML('afterbegin', htm);
509 		 	}
510 		 	else
511 		 	{
512 		 		this.el.innerHTML = htm + this.el.innerHTML;
513 		 	}
514 		 },
515 		/**
516 		 * Sets or gets the innerHTML propery of the element(s) passed
517 		 *
518 		 * @name html
519 		 * @memberOf $_.dom
520 		 * @function
521 		 * @param [string] htm
522 		 * @return string
523 		 * @type string
524 		 */
525 		html: function(htm)
526 		{
527 			
528 			if(typeof htm !== "undefined")
529 			{
530 				this.el.innerHTML = htm;
531 			}
532 			
533 			//If the parameter is undefined, just return the current value
534 			return this.el.innerHTML;
535 		}
536 	};
537 
538 	$_.ext('dom', d);
539 	
540 }());
541