/**
 * @projectDescription 	asolib.js / a tiny lightweight javascript library
 * @author		Amin Ladhani / amin@as-o.ch / 2010
 * @version		0.2
 */

/* -----------------------------------------------------------------------------------------
Les librairies asolib.js et asolib.basicfx.js sont la propriété de Amin Ladhani
mais peuvent être utilisées par des tiers moyennant une demande expresse faite
par mail, par téléphone ou de vive voix à l'auteur. De plus, le nom et l'email
de l'auteur ainsi que la version des scripts doivent être mentionnés soit directement
dans les pages de scripts soit quelque part dans les sites où ces derniers sont utilisés.
----------------------------------------------------------------------------------------- */

/* -----------------------------------------------------------------------------------------
Les librairies asolib.js et asolib.basicfx.js ont été testés avec succès sur les navigateurs
suivants :
- Firefox 3.6+
- Safari 4 +
- Google Chrome 6+
- Internet Explorer 6, 7, 8 et 9
Il est possible que des problèmes surviennent avec les versions antérieures des navigateurs
mentionnés ci-dessus.
----------------------------------------------------------------------------------------- */

(function () {
		var _lib = {
			_domExtend : function (obj) {
				for (method in obj) {
					if (window._browser().isIE6 || window._browser().isIE7)
						document[method] = obj[method];
					if (window._browser().isIE8)
						HTMLDocument.prototype[method] = obj[method];
					if (!window._browser().isIE || window._browser().isIE9)
						HTMLElement.prototype[method] = obj[method]
				}
			},
			_ieDomExtend : function (el, extend) {
				if (!window._browser().isIE || window._browser().isIE9)
					return false;
				if (el && el.length)
					for (var i = 0; i < el.length; i++)
						for (method in extend)
							el[i][method] = extend[method];
				else
					for (method in extend)
						if (el)
							el[method] = extend[method]
			},
			_browser : function () {
				var toString = Object.prototype.toString,
				ua = navigator.userAgent.toLowerCase(),
				check = function (r) {
					return r.test(ua)
				},
				isOpera = check(/opera/),
				isChrome = check(/\bchrome\b/),
				isWebKit = check(/webkit/),
				isSafari = !isChrome && check(/safari/),
				isSafari2 = isSafari && check(/applewebkit\/4/),
				isSafari3 = isSafari && check(/version\/3/),
				isSafari4 = isSafari && check(/version\/4/),
				isIE = !isOpera && check(/msie/),
				isIE7 = isIE && check(/msie 7/),
				isIE8 = isIE && check(/msie 8/),
				isIE9 = isIE && check(/msie 9/),
				isIE6 = isIE && !isIE7 && !isIE8 && !isIE9,
				isGecko = !isWebKit && check(/gecko/),
				isGecko2 = isGecko && check(/rv:1\.8/),
				isGecko3 = isGecko && check(/rv:1\.9/),
				isWindows = check(/windows|win32/),
				isMac = check(/macintosh|mac os x/),
				isLinux = check(/linux/);
				return {
					isOpera : isOpera,
					isChrome : isChrome,
					isWebKit : isWebKit,
					isSafari : isSafari,
					isSafari2 : isSafari2,
					isSafari3 : isSafari3,
					isSafari4 : isSafari4,
					isIE : isIE,
					isIE6 : isIE6,
					isIE7 : isIE7,
					isIE8 : isIE8,
					isIE9 : isIE9,
					isGecko : isGecko,
					isGecko2 : isGecko2,
					isGecko3 : isGecko3,
					isWindows : isWindows,
					isMac : isMac,
					isLinux : isLinux
				}
			},
			_addEvent : function (obj, type, fn) {
				(obj.addEventListener) ? obj.addEventListener(type, fn, false) : obj.attachEvent("on" + type, fn)
			},
			_removeEvent : function (obj, type, fn) {
				(obj.removeEventListener) ? obj.removeEventListener(type, fn, false) : obj.detachEvent("on" + type, fn)
			},
			_cancelDefaultEvent : function (e) {
				e = e || window.event;
				if (e.preventDefault && e.stopPropagation) {
					e.preventDefault();
					e.stopPropagation()
				}
				return false
			},
			_noSelect : function (element) {
				if (element.setAttribute && element.nodeName.toLowerCase() != 'input' && element.nodeName.toLowerCase() != 'textarea')
					element.setAttribute('unselectable', 'on');
				for (var i = 0; i < element.childNodes.length; i++)
					_lib._noSelect(element.childNodes[i])
			},
			_camelize : function (s) {
				return s.replace(/\-(.)/g, function (j, k) {
						return k.toUpperCase()
					})
			},
			_getMousePos : function (e) {
				e = window.event ? window.event : e;
				var pos = {};
				pos.x = e.clientX;
				pos.y = e.clientY;
				return pos
			},
			_getSize : function () {
				var s = {};
				s.x = document.documentElement.clientWidth;
				s.y = document.documentElement.clientHeight;
				return s
			},
			_getTime : function () {
				return new Date().getTime()
			},
			_each : function (fn, bind) {
				for (var key in this)
					if (key != '_each')
						fn.call(bind, this[key], key, this)
			},
			_walk : function (fn, bind) {
				for (var i = 0; i < this.length; i++)
					fn.call(bind, this[i], i, this)
			},
			_implement : function (trg, o, proto) {
				if (proto)
					for (var i in o)
						trg.prototype[i] = o[i];
				else
					for (var i in o)
						trg[i] = o[i]
			},
			_strToInt : function (str) {
				return parseInt(str.toString().replace(/[^0-9]/g, ''))
			},
			_domReady : function (callback) {
				if (document.addEventListener)
					try {
						document.addEventListener("DOMContentLoaded", callback, false)
					} catch (e) {}
					
				else {
					(function () {
							if (!document.uniqueID && document.expando)
								return;
							var tempNode = document.createElement('document:ready');
							try {
								tempNode.doScroll('left');
								callback();
								tempNode = null
							} catch (err) {
								setTimeout(arguments.callee, 0)
							}
						})()
				}
			}
		};
		window._browser = _lib._browser;
		window._getMousePos = _lib._getMousePos;
		window._getWindowSize = _lib._getSize;
		window._onDomReady = _lib._domReady;
		_main = _lib;
		_DOMExtend = _lib._domExtend;
		var _framework = {
			_element : function (el, d) {
				if (typeof el === "string")
					el = (d || document).createElement(el);
				_lib._ieDomExtend(el, _framework);
				return el
			},
			_implement : function (o) {
				_lib._implement(this, o);
				return this
			},
			_getById : function (id) {
				if (typeof id === 'string') {
					var el = document.getElementById(id);
					_lib._ieDomExtend(el, _framework);
					return el
				}
			},
			_getByTagName : function (tag) {
				if (typeof tag === 'string') {
					var els = this.getElementsByTagName(tag);
					_lib._ieDomExtend(els, _framework);
					els._each = _lib._walk;
					return els
				}
			},
			_getByClassName : function (name) {
				if (typeof name === 'string') {
					var e = this._getByTagName('*'),
					arr = [];
					for (var i = 0; i < e.length; i++) {
						if (e[i].className == name) {
							_lib._ieDomExtend(e[i], _framework);
							arr.push(e[i])
						}
					}
					return arr
				}
			},
			_appendTo : function (el) {
				el.appendChild(this);
				return this
			},
			_appendBefore : function (el) {
				el.parentNode.insertBefore(this, el);
				return this
			},
			_removeElement : function () {
				this.parentNode.removeChild(this)
			},
			_setHtml : function (h) {
				this.innerHTML = h;
				return this
			},
			_getHtml : function () {
				return this.innerHTML
			},
			_addEvent : function (type, fn) {
				_lib._addEvent(this, type, fn);
				return this
			},
			_removeEvent : function (type, fn) {
				_lib._removeEvent(this, type, fn);
				return this
			},
			_getPosition : function () {
				var curleft = curtop = 0;
				var o = obj = this;
				var pos = {};
				if (obj.offsetParent) {
					do {
						curleft += obj.offsetLeft;
						curtop += obj.offsetTop
					} while (obj = obj.offsetParent)
				}
				var b = (!window.opera) ? _lib._strToInt(this._getStyle('border-width')) || _lib._strToInt(this.style.border) || 0 : 0;
				pos.x = curleft + b;
				pos.y = curtop + b;
				return pos
			},
			_getSize : function () {
				var w = this.offsetWidth;
				var h = this.offsetHeight;
				return {
					'width' : w,
					'height' : h
				}
			},
			_noSelect : function () {
				_lib._noSelect(this);
				return this
			},
			_selectOff : function (cursor) {
				if (cursor)
					this.style.cursor = cursor;
				this.onselectstart = function () {
					return false
				};
				this.onmousedown = function () {
					return false
				}
			},
			_selectOn : function () {
				this.style.cursor = '';
				this.onselectstart = function () {
					return
				};
				this.onmousedown = function () {
					return
				}
			},
			_getParent : function (tag) {
				var el = this;
				do {
					if (el && el.nodeName && el.nodeName.toUpperCase() == tag) {
						return el
					}
					el = el.parentNode
				} while (el);
				return false
			},
			_setClass : function (cls) {
				this.className = cls;
				return this
			},
			_addClass : function (cls) {
				this.className = this.className + ' ' + cls;
				return this
			},
			_removeClass : function (cls) {
				this.className = this.className.replace(cls, '');
				return this
			},
			_style : function (r, v) {
				var elStyle = this.style,
				v = v.toString().replace(/px/, ''),
				e = !r.match(/opacity|color/) ? 'px' : '';
				switch (r) {
				case 'float':
					elStyle['cssFloat'] = elStyle['styleFloat'] = v;
					break;
				case 'opacity':
					elStyle['opacity'] = v / 100;
					elStyle.filter = "alpha(opacity=" + Math.round(v) + ")";
					break;
				default:
					try {
						elStyle[_lib._camelize(r)] = v + e
					} catch (e) {}
					
				}
				return this
			},
			_setStyle : function (st) {
				var elStyle = this.style;
				for (var itm in st) {
					switch (itm) {
					case 'float':
						elStyle['cssFloat'] = elStyle['styleFloat'] = st[itm];
						break;
					case 'opacity':
						elStyle.opacity = st[itm];
						elStyle.filter = "alpha(opacity=" + Math.round(st[itm] * 100) + ")";
						break;
					case 'className':
						this.className = st[itm];
						break;
					default:
						elStyle[_lib._camelize(itm)] = st[itm]
					}
				}
				return this
			},
			_getStyle : function (cssRule, d) {
				var doc = (!d) ? document.defaultView : d;
				if (this.nodeType == 1) {
					return (doc && doc.getComputedStyle) ? doc.getComputedStyle(this, null).getPropertyValue(cssRule) : this.currentStyle[_lib._camelize(cssRule)]
				}
			},
			_removeStyle : function () {
				for (var i = 0; i < arguments.length; i++)
					this.style[_lib._camelize(arguments[i])] = '';
				return this
			},
			_setAttributes : function (at) {
				for (var item in at)
					this[item] = at[item];
				return this
			},
			_removeAttributes : function () {
				for (var i = 0; i < arguments.length; i++)
					this[arguments[i]] = '';
				return this
			}
		};
		document._getById = document.getElementById;
		document._getById = _framework._getById;
		document._getByClassName = _framework._getByClassName;
		document._getByTagName = _framework._getByTagName;
		_DOMExtend(_framework);
		_element = _framework._element;
		_lib._implement(Array, {
				_each : function (fn, bind) {
					for (var i = 0, l = this.length; i < l; i++)
						fn.call(bind, this[i], i, this)
				},
				_inArray : function (array, item) {
					for (var i = 0; i < array.length; i++) {
						if (array[i] == item)
							return i
					}
				},
				_replace : function () {},
				_move : function () {}
				
			}, true);
		var _server = {
			_httpRequest : {
				get : function (o) {
					this.req = _server._httpRequest.request;
					this.req(o);
					this.xhr.open("get", this.file + this.param);
					this.xhr.send(null);
					return this
				},
				post : function (o) {
					this.req = _server._httpRequest.request;
					this.req(o);
					this.xhr.open("post", this.file, true);
					this.xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
					this.xhr.send(this.param);
					return this
				},
				request : function (o) {
					if (!o['file'])
						return false;
					var self = this;
					_lib._implement(this, o);
					this.responseText = null;
					this.xhr = window._browser().isIE6 ? new ActiveXObject("Microsoft.xmlhttp") : new XMLHttpRequest();
					if (this.onSend)
						this.onSend();
					this.xhr.onreadystatechange = function () {
						if (self.xhr.readyState == 4) {
							if (self.xhr.status == 200) {
								self.responseText = self.xhr.responseText;
								if (self.onReceive != null)
									self.onReceive()
							}
						}
					}
				}
			},
			_form : function () {}
			
		};
		_httpRequest = _request = _ajax = _server._httpRequest;
		_createForm = _server._form;
		var _json = {
			encode : function (o) {
				if (typeof o != 'object')
					return false;
				var walk = function (o) {
					var string = '',
					l,
					j;
					for (var j in o)
						l = j;
					for (i in o) {
						if (typeof o[i] == 'object') {
							if (o[i]instanceof Array) {
								for (j = 0, string += '"' + i + '":['; j < o[i].length; j++)
									string += (j > 0 ? ',' : '') + '"' + o[i][j] + '"';
								string += i == l ? ']' : '],'
							} else {
								var c = i == l ? '}' : '},';
								string += '"' + i + '":{';
								string += walk(o[i]);
								string += c
							}
						} else {
							string += '"' + i + '":"' + o[i] + (i == l ? '"' : '",')
						}
					}
					return string
				};
				string = walk(o);
				return '{' + string + '}'
			},
			parse : function (s) {
				try {
					return eval('(' + s + ')')
				} catch (ex) {}
				
			}
		};
		_jsonEncode = _json.encode;
		_jsonParse = _json.parse;
		var _cook = {
			writeCookie : function (name, value, days) {
				if (days) {
					var date = new Date();
					date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
					var expires = "; expires=" + date.toGMTString()
				} else
					var expires = "";
				document.cookie = name + "=" + value + expires + "; path=/"
			},
			readCookie : function (name) {
				var nameEQ = name + "=";
				var ca = document.cookie.split(';');
				for (var i = 0; i < ca.length; i++) {
					var c = ca[i];
					while (c.charAt(0) == ' ')
						c = c.substring(1, c.length);
					if (c.indexOf(nameEQ) == 0)
						return c.substring(nameEQ.length, c.length)
				}
				return null
			},
			delCookie : function (name) {
				createCookie(name, "", -1)
			}
		};
		_cook.manager = function (cookie, days) {
			this.cookie = cookie;
			if (!_cook.readCookie(this.cookie)) {
				_cook.writeCookie(this.cookie, days)
			}
		};
		_cook.manager.prototype.load = function () {
			var ck;
			this.ck = {};
			try {
				this.ck_loaded = _cook.readCookie(this.cookie).split(';');
				if (this.ck_loaded) {
					for (ck in this.ck_loaded) {
						if (typeof this.ck_loaded[ck] != 'string')
							continue;
						var _ck = this.ck_loaded[ck].split('=');
						this.ck[_ck[0]] = _ck[1]
					}
				}
			} catch (e) {}
			
		};
		_cook.manager.prototype.getname = function () {
			return this.cookie
		};
		_cook.manager.prototype.get = function (ck_fragment) {
			this.load();
			return this.ck[ck_fragment]
		};
		_cook.manager.prototype.set = function (ck_fragment, ck_value) {
			this.load();
			this.ck[ck_fragment] = ck_value;
			this.save()
		};
		_cook.manager.prototype.remove = function (ck_fragment) {
			this.load();
			this.ck[ck_fragment] = '';
			this.save()
		};
		_cook.manager.prototype.count = function () {
			var j = 0;
			for (i in this.ck)
				j++;
			return j
		};
		_cook.manager.prototype.show = function () {
			this.load();
			var i,
			str_ck = '';
			for (i in this.ck)
				if (i)
					str_ck += i + " : " + this.ck[i] + "\n";
			alert(str_ck)
		};
		_cook.manager.prototype.save = function () {
			var str_ck = '',
			pr,
			i = 1,
			sep = '',
			num = this.count();
			for (pr in this.ck) {
				if (!this.ck[pr])
					continue;
				str_ck += pr + "=" + this.ck[pr];
				str_ck += i == num ? '' : ';';
				i++
			}
			_cook.writeCookie(this.cookie, str_ck)
		};
		_cook.manager.prototype.deletecookie = function () {
			_cook.delCookie(this.cookie)
		};
		_cookie = _cook;
		_cookieManager = _cook.manager;
		_lib._implement(_framework, {
				_setSelectedIndex : function (value) {
					if (this.tagName != 'SELECT')
						return false;
					var opt = this.getElementsByTagName('option');
					for (var i = 0; i < opt.length; i++)
						if (opt[i].value == value)
							opt[i].selected = 'selected'
				},
				_getSelectedValue : function (type) {
					if (this.tagName != 'SELECT')
						return false;
					var opt = this.getElementsByTagName('option');
					for (var i = 0; i < opt.length; i++)
						if (opt[i].selected)
							var selectedValue = opt[i].getAttribute(type);
					return selectedValue
				},
				_saveScrollPos : function (cookie, ckName) {
					var _this = this;
					if (cookie._get(ckName)) {
						this.scrollTop = parseInt(cookie._get(ckName))
					}
					this.onscroll = function () {
						cookie.set(ckName, _this.scrollTop)
					};
					if (!document.all) {
						this.addEventListener('DOMMouseScroll', function () {
								cookie.set(ckName, _this.scrollTop)
							}, false)
					}
				},
				_getType : function () {
					alert(typeof this)
				}
			})
	})();