jquery/core/core.js

/*
 * JQuery (http://jquery.com/)
 * By John Resig (http://ejohn.org/)
 * Under an Attribution, Share Alike License
 */

function $(a,c) {
	var $a = a || $.context || document;
	var $c = c && c.$jquery && c.get(0) || c;
	
	// Since we're using Prototype's $ function,
	// be nice and have backwards compatability
	if ( typeof Prototype != "undefined" ) {
		if ( $a.constructor == String ) {
			var re = new RegExp( "[^a-zA-Z0-9_-]" );
			if ( !re.test($a) ) {
				$c = $c && $c.documentElement || document;
				if ( $c.getElementsByTagName($a).length == 0 ) {
					var obj = $c.getElementById($a);
					if ( obj != null ) return obj;
				}
			}
		} else if ( $a.constructor == Array ) {
			return $.map( $a, function(b){
				if ( b.constructor == String )
					return document.getElementById(b);
				return b;
			});
		}
	}

	// Load Dynamic Function List
	var self = {
		cur: $.Select($a,$c),
		$jquery: "0.30",
		
		// The only two getters
		size: function() {return this.get().length},
		get: function(i) {
			return i == null ? this.cur : this.cur[i];
		},
		
		each: function(f) {
			for ( var i = 0; i < this.size(); i++ )
				$.apply( this.get(i), f, [i] );
			return this;
		},
		set: function(a,b) {
			return this.each(function(){
				if ( b == null )
					for ( var j in a )
						$.attr(this,j,a[j]);
				else
					$.attr(this,a,b);
			});
		},
		html: function(h) {
			return h == null && this.size() ?
        this.get(0).innerHTML : this.set( "innerHTML", h );
		},
		val: function(h) {
			return h == null && this.size() ?
        this.get(0).value : this.set( "value", h );
		},
		
		css: function(a,b) {
			return this.each(function(){
				if ( !b )
					for ( var j in a )
						$.attr(this.style,j,a[j]);
				else
					$.attr(this.style,a,b);
			});
		},
		toggle: function() {
			return this.each(function(){
				var d = $.getCSS(this,"display");
				if ( d == "none" || d == '' )
					$(this).show();
				else
					$(this).hide();
			});
		},
		show: function(a) {
			return this.each(function(){
				this.style.display = this.$$oldblock ? this.$$oldblock : '';
				if ( $.getCSS(this,"display") == "none" ) this.style.display = 'block';
			});
		},
		hide: function(a) {
			return this.each(function(){
				this.$$oldblock = $.getCSS(this,"display");
				if ( this.$$oldblock == "none" ) this.$$oldblock = 'block';
				this.style.display = 'none';
			});
		},
		addClass: function(c) {
			return this.each(function(){
				if ($.hasWord(this,c)) return;
				this.className += ( this.className.length > 0 ? " " : "" ) + c;
			});
		},
		removeClass: function(c) {
			return this.each(function(){
				this.className = c == null ? '' :
					this.className.replace(
						new RegExp('(^|\\s*\\b[^-])'+c+'($|\\b(?=[^-]))', 'g'), '');
			});
		},
		// TODO: Optomize
		toggleClass: function(c) {
			return this.each(function(){
				if ($.hasWord(this,c))
					this.className = 
						this.className.replace(
							new RegExp('(\\s*\\b[^-])'+c+'($|\\b(?=[^-]))', 'g'), '');
				else
					this.className += ( this.className.length > 0 ? " " : "" ) + c;
			});
		},
		remove: function() {
			this.each(function(){this.parentNode.removeChild( this );});
			this.cur = [];
			return this;
		},
		
		wrap: function() {
			var a = $.clean(arguments);
			return this.each(function(){
				var b = a[0].cloneNode(true);
				this.parentNode.insertBefore( b, this );
				while ( b.firstChild ) b = b.firstChild;
				b.appendChild( this );
			});
		},
		
		append: function() {
      var clone = this.size() > 1;
			var a = $.clean(arguments);
			return this.each(function(){
				for ( var i in a )
				  this.appendChild( clone ? a[i].cloneNode(true) : a[i] );
			});
		},

		appendTo: function() {
			var a = arguments;
			return this.each(function(){
				for ( var i = 0; i < a.length; i++ )
					$(a[i]).append( this );
			});
		},
		
		prepend: function() {
      var clone = this.size() > 1;
			var a = $.clean(arguments);
			return this.each(function(){
				for ( var i = a.length - 1; i >= 0; i-- )
					this.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.firstChild );
			});
		},
		
		before: function() {
      var clone = this.size() > 1;
			var a = $.clean(arguments);
			return this.each(function(){
				for ( var i in a )
					this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this );
			});
		},
		
		after: function() {
      var clone = this.size() > 1;
			var a = $.clean(arguments);
			return this.each(function(){
				for ( var i = a.length - 1; i >= 0; i-- )
					this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.nextSibling );
			});
		},

		empty: function() {
			return this.each(function(){
				while ( this.firstChild )
					this.removeChild( this.firstChild );
			});
		},
		
		bind: function(t,f) {
			return this.each(function(){addEvent(this,t,f);});
		},
		unbind: function(t,f) {
			return this.each(function(){removeEvent(this,t,f);});
		},
		trigger: function(t) {
			return this.each(function(){triggerEvent(this,t);});
		},
		
		find: function(t) {
			var old = [], ret = [];
			this.each(function(){
				old[old.length] = this;
				ret = $.merge( ret, $.Select(t,this) );
			});
			this.old = old;
			this.cur = ret;
			return this;
		},
		end: function() {
			this.cur = this.old;
			return this;
		},
		
		parent: function(a) {
			if ( a == null ) a = 1;
			this.cur = $.map(this.cur,function(d){
				var b = $.parents(d);
				if ( a == 0 )
					return b;
				else if ( a.constructor == String ) {
					var c = $.filter(a,b);
					return c.length > 0 ? c[0] : null;
				} else
					return b.length >= a ? b[a-1] : null;
			});
			return this;
		},
		
		parents: function(a) {
			return this;
		},
		
		filter: function(t) {
			this.cur = $.filter(t,this.cur).r;
			return this;
		},
		not: function(t) {
			this.cur = t.constructor == String ?
				$.filter(t,this.cur,false).r :
				$.grep(this.cur,function(a){return a != t;});
			return this;
		},
		add: function(t) {
			this.cur = $.merge( this.cur, t.constructor == String ?
				$.Select(t) : t.constructor == Array ? t : [t] );
			return this;
		},
		is: function(t) {
			return $.filter(t,this.cur).r.length > 0;
		},
		isNot: function(t) {
			return !this.s(t);
		}
	};
	
	// TODO: Remove need to return this
	for ( var i in $.fn ) {
		if ( self[i] != null )
			self["_"+i] = self[i];
		self[i] = $.fn[i];
	}
	
	if ( typeof Prototype != "undefined" && $a.constructor != String ) {
		if ( $c ) $a = self.get();
		for ( var i in self ) {(function(j){
			try {
				if ( $a[j] == null ) {
					$a[j] = function() {
						return $.apply(self,self[j],arguments);
					};
				}
			} catch(e) {}
		})(i);}
		return $a;
	}
	
	return self;
}

$.apply = function(o,f,a) {
	a = a || [];
	if ( f.apply )
		return f.apply( o, a );
  else {
		var p = [];
		for (var i = 0; i < a.length; i++)
			p[i] = 'a['+i+']';
		o.$$exec = this;
		var r = eval('o.$$exec(' + p.join(',') + ')');
		o.$$exec = null;
		return r;
	}
};

$.getCSS = function(e,p) {
	// Adapted from Prototype 1.4.0
	if ( p == 'height' || p == 'width' ) {
    if ($.getCSS(e,"display") != 'none')
			return p == 'height' ?
				e.offsetHeight || parseInt(e.style.height) : 
				e.offsetWidth || parseInt(e.style.width);
    var els = e.style;
    var ov = els.visibility;
    var op = els.position;
		var od = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = '';
		var oHeight = e.clientHeight || parseInt(e.style.height);
    var oWidth = e.clientWidth || parseInt(e.style.width);
    els.display = od;
    els.position = op;
    els.visibility = ov;
		return p == 'height' ? oHeight : oWidth;
  }
	
  if (e.style[p])
    return e.style[p];
  else if (e.currentStyle)
    return e.currentStyle[p];
  else if (document.defaultView && document.defaultView.getComputedStyle) {
    p = p.replace(/([A-Z])/g,"-$1");
    p = p.toLowerCase();
    var s = document.defaultView.getComputedStyle(e,"");
    var r = s ? s.getPropertyValue(p) : p;
		return r;
  } else
    return null;
};
$.css = $.getCSS;

$.clean = function(a) {
	var r = [];
	for ( var i = 0; i < a.length; i++ )
		if ( a[i].constructor == String ) {
			var div = document.createElement("div");
			div.innerHTML = a[i];
			for ( var j = 0; j < div.childNodes.length; j++ )
				r[r.length] = div.childNodes[j];
		} else if ( a[i].length )
			for ( var j = 0; j < a[i].length; j++ )
				r[r.length] = a[i][j];
		else if ( a[i] != null )
			r[r.length] = 
				a[i].nodeType ? a[i] : document.createTextNode(a[i].toString());
	return r;
};

$.g = {
	'': "m[2] == '*' || a.nodeName.toUpperCase() == m[2].toUpperCase()",
	'#': "a.id == m[2]",
	':': {
		lt: "i < m[3]-0",
		gt: "i > m[3]-0",
		nth: "m[3] - 0 == i",
		eq: "m[3] - 0 == i",
		first: "i == 0",
		last: "i == r.length - 1",
		even: "i % 2 == 0",
		odd: "i % 2 == 1",
		"first-child": "$.sibling(a,0).cur",
		"nth-child": "(m[3] == 'even'?$.sibling(a,m[3]).n % 2 == 0 :(m[3] == 'odd'?$.sibling(a,m[3]).n % 2 == 1:$.sibling(a,m[3]).cur))",
		"last-child": "$.sibling(a,0,true).cur",
		"nth-last-child": "$.sibling(a,m[3],true).cur",
		"first-of-type": "$.ofType(a,0)",
		"nth-of-type": "$.ofType(a,m[3])",
		"last-of-type": "$.ofType(a,0,true)",
		"nth-last-of-type": "$.ofType(a,m[3],true)",
		"only-of-type": "$.ofType(a) == 1",
		"only-child": "$.sibling(a).length == 1",
		parent: "a.childNodes.length > 0",
		empty: "a.childNodes.length == 0",
		root: "a == ( a.ownerDocument ? a.ownerDocument : document ).documentElement",
		contains: "(a.innerText || a.innerHTML).indexOf(m[3]) != -1",
		visible: "(!a.type || a.type != 'hidden') && ($.getCSS(a,'display') != 'none' && $.getCSS(a,'visibility') != 'hidden')",
		hidden: "(a.type && a.type == 'hidden') || $.getCSS(a,'display') == 'none' || $.getCSS(a,'visibility') == 'hidden'",
		enabled: "a.disabled == false",
		disabled: "a.disabled",
		checked: "a.checked"
	},
	// TODO: Write getAttribute helper
	".": "$.hasWord(a.className||a.getAttribute('class'),m[2])",
	"@": {
		"=": "$.attr(a,m[3]) == m[4]",
		"!=": "$.attr(a,m[3]) != m[4]",
		"~=": "$.hasWord($.attr(a,m[3]),m[4])",
		"|=": "$.attr(a,m[3]).indexOf(m[4]) == 0",
		"^=": "$.attr(a,m[3]).indexOf(m[4]) == 0",
		"$=": "$.attr(a,m[3]).substr( $.attr(a,m[3]).length - m[4].length, m[4].length ) == m[4]",
		"*=": "$.attr(a,m[3]).indexOf(m[4]) >= 0",
		"": "m[3] == '*' ? a.attributes.length > 0 : $.attr(a,m[3])"
	},
	"[": "$.Select(m[2],a).length > 0"
};

$.fn = {};

$.Select = function( t, context ) {
	context = context || $.context || document;
	if ( t.constructor != String ) return [t];
	
	if ( t.indexOf("//") == 0 ) {
		context = context.documentElement;
		t = t.substr(2,t.length);
	} else if ( t.indexOf("/") == 0 ) {
		context = context.documentElement;
		t = t.substr(1,t.length);
		// FIX Assume the root element is right :(
		if ( t.indexOf('/') )
			t = t.substr(t.indexOf('/'),t.length);
	}
	
	var ret = [context];
  var done = [];
	var last = null;
  
  while ( t.length > 0 && last != t ) {
    var r = [];
		last = t;
    
    t = $.cleanSpaces(t);
    
    var re = new RegExp( "^//", "i" );
    t = t.replace( re, "" );

    if ( t.indexOf('..') == 0 || t.indexOf('/..') == 0 ) {
			if ( t.indexOf('/') == 0 )
				t = t.substr(1,t.length);
      r = $.map( ret, function(a){ return a.parentNode; } );
			t = t.substr(2,t.length);
			t = $.cleanSpaces(t);
    } else if ( t.indexOf('>') == 0 || t.indexOf('/') == 0 ) {
      r = $.map( ret, function(a){ return ( a.childNodes.length > 0 ? $.sibling( a.firstChild ) : null ); } );
			t = t.substr(1,t.length);
			t = $.cleanSpaces(t);
    } else if ( t.indexOf('+') == 0 ) {
      r = $.map( ret, function(a){ return $.sibling(a).next; } );
			t = t.substr(1,t.length);
			t = $.cleanSpaces(t);
    } else if ( t.indexOf('~') == 0 ) {
      r = $.map( ret, function(a){
        var r = [];
        var s = $.sibling(a);
        if ( s.n > 0 )
          for ( var i = s.n; i < s.length; i++ )
            r[r.length] = s[i];
        return r;
      } );
			t = t.substr(1,t.length);
			t = $.cleanSpaces(t);
    } else if ( t.indexOf(',') == 0 || t.indexOf('|') == 0 ) {
      if ( ret[0] == context ) ret.shift();
      done = $.merge( done, ret );
      r = ret = [context];
			t = " " + t.substr(1,t.length);
    } else {
      var re = new RegExp( "^([#.]?)([a-z0-9\\*_-]*)", "i" );
      var m = re.exec(t);
			
			if ( m[1] == "#" ) { // Ummm, should make this work in all XML docs
				var oid = document.getElementById(m[2]);
				r = oid ? [oid] : [];
        t = t.replace( re, "" );
			} else {
			  if ( m[2] == "" || m[1] == "." ) m[2] = "*";

			  for ( var i = 0; i < ret.length; i++ ) {
				  var o = ret[i];
				  if ( o ) {
					  switch( m[2] ) {
						  case '*':
							  r = $.merge( $.getAll(o), r );
						  break;
						  case 'text': case 'radio': case 'checkbox': case 'hidden':
						  case 'button': case 'submit': case 'image': case 'password':
						  case 'reset': case 'file':
							  r = $.merge( $.grep( $.tag(o,"input"), 
										  function(a){ return a.type == m[2] }), r );
						  break;
						  case 'input':
							  r = $.merge( $.tag(o,"input"), r );
							  r = $.merge( $.tag(o,"select"), r );
							  r = $.merge( $.tag(o,"textarea"), r );
						  break;
						  default:
							  r = $.merge( r, $.tag(o,m[2]) );
						  break;
					  }
				  }
			  }
			}
    }

		var val = $.filter(t,r);
		ret = r = val.r;
		t = $.cleanSpaces(val.t);
  }

  if ( ret && ret[0] == context ) ret.shift();
  done = $.merge( done, ret );
  return done;
};

$.tag = function(a,b){
  return a && typeof a.getElementsByTagName != "undefined" ?
    a.getElementsByTagName( b ) : [];
};

$.attr = function(o,a,v){
  if ( a && a.constructor == String ) {
    var fix = {
      'for': 'htmlFor',
      'text': 'cssText',
      'class': 'className',
      'float': 'cssFloat'
    };
    a = (fix[a] && fix[a].replace && fix[a]) || a;
    var r = new RegExp("-([a-z])","ig");
    a = a.replace(r,function(z,b){return b.toUpperCase();});
    if ( v != null ) {
      o[a] = v;
      if ( o.setAttribute ) o.setAttribute(a,v);
    } 
    return o[a] || o.getAttribute(a) || '';
  } else return '';
};

$.filter = function(t,r,not) {
	var g = $.grep;
	if ( not == false ) var g = function(a,f) {return $.grep(a,f,true);};
	
	while ( t.length > 0 && t.match(/^[:\\.#\\[a-zA-Z\\*]/) ) {
		var re = new RegExp( "^\\[ *@([a-z0-9\\(\\)_-]+) *([~!\\|\\*$^=]*) *'?\"?([^'\"]*)'?\"? *\\]", "i" );
		var m = re.exec(t);
		
		if ( m != null ) {
			m = ['', '@', m[2], m[1], m[3]];
		} else {
			var re = new RegExp( "^(\\[) *([^\\]]*) *\\]", "i" );
			var m = re.exec(t);
			
			if ( m == null ) {
				var re = new RegExp( "^(:)([a-z0-9\\*_-]*)\\( *[\"']?([^ \\)'\"]*)['\"]? *\\)", "i" );
				var m = re.exec(t);
				
				if ( m == null ) {
					var re = new RegExp( "^([:\\.#]*)([a-z0-9\\*_-]*)", "i" );
					var m = re.exec(t);
				}
			}
		}
		t = t.replace( re, "" );
		
		if ( m[1] == ":" && m[2] == "not" )
			r = $.filter(m[3],r,false).r;
		else {
			if ( $.g[m[1]].constructor == String )
				var f = $.g[m[1]];
			else if ( $.g[m[1]][m[2]] )
				var f = $.g[m[1]][m[2]];
						
			if ( f != null ) {
				eval("f = function(a,i){return " + f + "}");
				r = g( r, f );
			}
		}
	}
	return { r: r, t: t };
};

$.parents = function(a){
	var b = [];
	var c = a.parentNode;
	while ( c != null && c != c.documentElement ) {
		b[b.length] = c;
		c = c.parentNode;
	}
	return b;
};

$.cleanSpaces = function(t){return t.replace(/^\s+|\s+$/g, '')};

$.ofType = function(a,n,e) {
  var t = $.grep($.sibling(a),function(b){return b.nodeName == a.nodeName});
  if ( e ) n = t.length - n - 1;
  return n != null ? t[n] == a : t.length;
};

$.sibling = function(a,n,e) {
  var type = [];
  var tmp = a.parentNode.childNodes;
  for ( var i = 0; i < tmp.length; i++ ) {
    if ( tmp[i].nodeType == 1 )
      type[type.length] = tmp[i];
    if ( tmp[i] == a )
      type.n = type.length - 1;
  }
  if ( e ) n = type.length - n - 1;
  type.cur = ( type[n] == a );
  type.prev = ( type.n > 0 ? type[type.n - 1] : null );
  type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
  return type;
};

$.hasWord = function(e,a) {
  if ( e == null ) return false;
  if ( e.className != null ) e = e.className;
  return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e)
};

$.getAll = function(o,r) {
	r = r || [];
	var s = o.childNodes;
	for ( var i = 0; i < s.length; i++ ) {
		if ( s[i].nodeType == 1 ) {
			r[r.length] = s[i];
			$.getAll( s[i], r );
		}
	}
	return r;
};

$.merge = function(a,b) {
	var d = [];
	for ( var j = 0; j < b.length; j++ )
		d[j] = b[j];
	
  for ( var i = 0; i < a.length; i++ ) {
    var c = true;
    for ( var j = 0; j < b.length; j++ )
      if ( a[i] == b[j] )
        c = false;
		if ( c )
			d[d.length] = a[i];
  }
	return d;
};

$.grep = function(a,f,s) {
  var r = [];
	if ( a != null )
		for ( var i = 0; i < a.length; i++ )
			if ( (!s && f(a[i],i)) || (s && !f(a[i],i)) )
				r[r.length] = a[i];
  return r;
};

$.map = function(a,f) {
  var r = [];
  for ( var i = 0; i < a.length; i++ ) {
    var t = f(a[i],i);
    if ( t != null ) {
      if ( t.constructor != Array ) t = [t];
			r = $.merge( t, r );
		}
  }
  return r;
};

// Bind an event to an element
// Original by Dean Edwards
function addEvent(element, type, handler) {
	if ( element.location ) element = window; // Ughhhhh....
	if (!handler.$$guid) handler.$$guid = addEvent.guid++;
	if (!element.events) element.events = {};
	var handlers = element.events[type];
	if (!handlers) {
		handlers = element.events[type] = {};
		if (element["on" + type])
			handlers[0] = element["on" + type];
	}
	handlers[handler.$$guid] = handler;
	element["on" + type] = handleEvent;
};
addEvent.guid = 1;

// Detach an event or set of events from an element
function removeEvent(element, type, handler) {
	if (element.events) {
		if (type && element.events[type]) {
			if ( handler ) {
				delete element.events[type][handler.$$guid];
			} else {
				for ( var i in element.events[type] )
					delete element.events[type][i];
			}
		} else {
			for ( var i in element.events )
				removeEvent( element, i );
		}
	}
};

function triggerEvent(element,type) {
  if ( element["on" + type] )
    element["on" + type]({ type: type });
}

function handleEvent(event) {
	var returnValue = true;
	event = event || fixEvent(window.event);
	var handlers = [];
	for ( var i in this.events[event.type] )
		handlers[handlers.length] = this.events[event.type][i];
  for ( var i = 0; i < handlers.length; i++ ) {
		try {
			if ( handlers[i].constructor == Function ) {
				this.$$handleEvent = handlers[i];
				if (this.$$handleEvent(event) === false) {
					event.preventDefault();
					event.stopPropagation();
					returnValue = false;
				}
			}
		} catch(e){}
	}
	return returnValue;
};

function fixEvent(event) {
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() {
	this.returnValue = false;
};
fixEvent.stopPropagation = function() {
	this.cancelBubble = true;
};

// Move to module

$.fn.text = function(e) {
	e = e || this.cur;
	var t = "";
	for ( var j = 0; j < e.length; j++ ) {
		for ( var i = 0; i < e[j].childNodes.length; i++ )
		 	t += e[j].childNodes[i].nodeType != 1 ?
				e[j].childNodes[i].nodeValue :
				$.fn.text(e[j].childNodes[i].childNodes);
	}
	return t;
};

setTimeout(function(){
  if ( typeof Prototype != "undefined" && $.g == null && $.clean == null )
    throw "Error: You are overwriting jQuery, please include jQuery last.";
}, 1000);