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1	3bb547c2	Scott Ullrich	// script.aculo.us builder.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009
2	b5a7edb1	Bill Marquette
3	3bb547c2	Scott Ullrich	// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
4	63353c9e	Seth Mos	//
5	b5a7edb1	Bill Marquette	// script.aculo.us is freely distributable under the terms of an MIT-style license.
6			// For details, see the script.aculo.us web site: http://script.aculo.us/
7	63353c9e	Seth Mos
8			var Builder = {
9			NODEMAP: {
10			AREA: 'map',
11			CAPTION: 'table',
12			COL: 'table',
13			COLGROUP: 'table',
14			LEGEND: 'fieldset',
15			OPTGROUP: 'select',
16			OPTION: 'select',
17			PARAM: 'object',
18			TBODY: 'table',
19			TD: 'table',
20			TFOOT: 'table',
21			TH: 'table',
22			THEAD: 'table',
23			TR: 'table'
24			},
25			// note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
26			// due to a Firefox bug
27			node: function(elementName) {
28			elementName = elementName.toUpperCase();
29	aa3cb4f0	Bill Marquette
30	63353c9e	Seth Mos	// try innerHTML approach
31			var parentTag = this.NODEMAP[elementName] \|\| 'div';
32			var parentElement = document.createElement(parentTag);
33			try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
34			parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
35			} catch(e) {}
36			var element = parentElement.firstChild \|\| null;
37	aa3cb4f0	Bill Marquette
38	63353c9e	Seth Mos	// see if browser added wrapping tags
39	b5a7edb1	Bill Marquette	if(element && (element.tagName.toUpperCase() != elementName))
40	63353c9e	Seth Mos	element = element.getElementsByTagName(elementName)[0];
41	aa3cb4f0	Bill Marquette
42	63353c9e	Seth Mos	// fallback to createElement approach
43			if(!element) element = document.createElement(elementName);
44	aa3cb4f0	Bill Marquette
45	63353c9e	Seth Mos	// abort if nothing could be created
46			if(!element) return;
47
48			// attributes (or text)
49			if(arguments[1])
50			if(this._isStringOrNumber(arguments[1]) \|\|
51	b5a7edb1	Bill Marquette	(arguments[1] instanceof Array) \|\|
52			arguments[1].tagName) {
53	63353c9e	Seth Mos	this._children(element, arguments[1]);
54			} else {
55			var attrs = this._attributes(arguments[1]);
56			if(attrs.length) {
57			try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
58			parentElement.innerHTML = "<" +elementName + " " +
59			attrs + "></" + elementName + ">";
60			} catch(e) {}
61			element = parentElement.firstChild \|\| null;
62			// workaround firefox 1.0.X bug
63			if(!element) {
64			element = document.createElement(elementName);
65	aa3cb4f0	Bill Marquette	for(attr in arguments[1])
66	63353c9e	Seth Mos	element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
67			}
68	b5a7edb1	Bill Marquette	if(element.tagName.toUpperCase() != elementName)
69	63353c9e	Seth Mos	element = parentElement.getElementsByTagName(elementName)[0];
70	b5a7edb1	Bill Marquette	}
71	aa3cb4f0	Bill Marquette	}
72	63353c9e	Seth Mos
73			// text, or array of children
74			if(arguments[2])
75			this._children(element, arguments[2]);
76
77	aa3cb4f0	Bill Marquette	return $(element);
78	63353c9e	Seth Mos	},
79			_text: function(text) {
80			return document.createTextNode(text);
81			},
82	b5a7edb1	Bill Marquette
83			ATTR_MAP: {
84			'className': 'class',
85			'htmlFor': 'for'
86			},
87
88	63353c9e	Seth Mos	_attributes: function(attributes) {
89			var attrs = [];
90			for(attribute in attributes)
91	b5a7edb1	Bill Marquette	attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
92			'="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'"') + '"');
93	63353c9e	Seth Mos	return attrs.join(" ");
94			},
95			_children: function(element, children) {
96	b5a7edb1	Bill Marquette	if(children.tagName) {
97			element.appendChild(children);
98			return;
99			}
100	63353c9e	Seth Mos	if(typeof children=='object') { // array can hold nodes and text
101			children.flatten().each( function(e) {
102			if(typeof e=='object')
103	aa3cb4f0	Bill Marquette	element.appendChild(e);
104	63353c9e	Seth Mos	else
105			if(Builder._isStringOrNumber(e))
106			element.appendChild(Builder._text(e));
107			});
108			} else
109	b5a7edb1	Bill Marquette	if(Builder._isStringOrNumber(children))
110			element.appendChild(Builder._text(children));
111	63353c9e	Seth Mos	},
112			_isStringOrNumber: function(param) {
113			return(typeof param=='string' \|\| typeof param=='number');
114	b5a7edb1	Bill Marquette	},
115			build: function(html) {
116			var element = this.node('div');
117			$(element).update(html.strip());
118			return element.down();
119			},
120	aa3cb4f0	Bill Marquette	dump: function(scope) {
121			if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope
122
123	b5a7edb1	Bill Marquette	var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
124			"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
125			"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
126			"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
127			"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
128			"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
129	aa3cb4f0	Bill Marquette
130			tags.each( function(tag){
131			scope[tag] = function() {
132			return Builder.node.apply(Builder, [tag].concat($A(arguments)));
133			};
134	b5a7edb1	Bill Marquette	});
135	63353c9e	Seth Mos	}
136	aa3cb4f0	Bill Marquette	};