1 | // script.aculo.us builder.js v1.6.5, Wed Nov 08 14:17:49 CET 2006 |
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2 | |
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3 | // Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) |
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4 | // |
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5 | // script.aculo.us is freely distributable under the terms of an MIT-style license. |
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6 | // For details, see the script.aculo.us web site: http://script.aculo.us/ |
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7 | |
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8 | var Builder = { |
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9 | NODEMAP: { |
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10 | AREA: 'map', |
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11 | CAPTION: 'table', |
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12 | COL: 'table', |
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13 | COLGROUP: 'table', |
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14 | LEGEND: 'fieldset', |
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15 | OPTGROUP: 'select', |
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16 | OPTION: 'select', |
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17 | PARAM: 'object', |
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18 | TBODY: 'table', |
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19 | TD: 'table', |
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20 | TFOOT: 'table', |
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21 | TH: 'table', |
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22 | THEAD: 'table', |
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23 | TR: 'table' |
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24 | }, |
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25 | // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken, |
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26 | // due to a Firefox bug |
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27 | node: function(elementName) { |
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28 | elementName = elementName.toUpperCase(); |
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29 | |
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30 | // try innerHTML approach |
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31 | var parentTag = this.NODEMAP[elementName] || 'div'; |
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32 | var parentElement = document.createElement(parentTag); |
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33 | try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707 |
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34 | parentElement.innerHTML = "<" + elementName + "></" + elementName + ">"; |
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35 | } catch(e) {} |
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36 | var element = parentElement.firstChild || null; |
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37 | |
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38 | // see if browser added wrapping tags |
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39 | if(element && (element.tagName != elementName)) |
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40 | element = element.getElementsByTagName(elementName)[0]; |
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41 | |
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42 | // fallback to createElement approach |
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43 | if(!element) element = document.createElement(elementName); |
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44 | |
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45 | // abort if nothing could be created |
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46 | if(!element) return; |
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47 | |
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48 | // attributes (or text) |
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49 | if(arguments[1]) |
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50 | if(this._isStringOrNumber(arguments[1]) || |
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51 | (arguments[1] instanceof Array)) { |
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52 | this._children(element, arguments[1]); |
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53 | } else { |
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54 | var attrs = this._attributes(arguments[1]); |
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55 | if(attrs.length) { |
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56 | try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707 |
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57 | parentElement.innerHTML = "<" +elementName + " " + |
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58 | attrs + "></" + elementName + ">"; |
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59 | } catch(e) {} |
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60 | element = parentElement.firstChild || null; |
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61 | // workaround firefox 1.0.X bug |
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62 | if(!element) { |
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63 | element = document.createElement(elementName); |
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64 | for(attr in arguments[1]) |
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65 | element[attr == 'class' ? 'className' : attr] = arguments[1][attr]; |
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66 | } |
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67 | if(element.tagName != elementName) |
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68 | element = parentElement.getElementsByTagName(elementName)[0]; |
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69 | } |
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70 | } |
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71 | |
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72 | // text, or array of children |
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73 | if(arguments[2]) |
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74 | this._children(element, arguments[2]); |
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75 | |
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76 | return element; |
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77 | }, |
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78 | _text: function(text) { |
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79 | return document.createTextNode(text); |
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80 | }, |
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81 | |
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82 | ATTR_MAP: { |
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83 | 'className': 'class', |
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84 | 'htmlFor': 'for' |
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85 | }, |
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86 | |
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87 | _attributes: function(attributes) { |
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88 | var attrs = []; |
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89 | for(attribute in attributes) |
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90 | attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) + |
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91 | '="' + attributes[attribute].toString().escapeHTML() + '"'); |
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92 | return attrs.join(" "); |
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93 | }, |
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94 | _children: function(element, children) { |
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95 | if(typeof children=='object') { // array can hold nodes and text |
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96 | children.flatten().each( function(e) { |
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97 | if(typeof e=='object') |
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98 | element.appendChild(e); |
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99 | else |
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100 | if(Builder._isStringOrNumber(e)) |
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101 | element.appendChild(Builder._text(e)); |
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102 | }); |
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103 | } else |
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104 | if(Builder._isStringOrNumber(children)) |
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105 | element.appendChild(Builder._text(children)); |
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106 | }, |
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107 | _isStringOrNumber: function(param) { |
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108 | return(typeof param=='string' || typeof param=='number'); |
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109 | }, |
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110 | build: function(html) { |
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111 | var element = this.node('div'); |
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112 | $(element).update(html.strip()); |
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113 | return element.down(); |
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114 | }, |
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115 | dump: function(scope) { |
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116 | if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope |
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117 | |
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118 | var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " + |
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119 | "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " + |
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120 | "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+ |
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121 | "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+ |
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122 | "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+ |
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123 | "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/); |
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124 | |
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125 | tags.each( function(tag){ |
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126 | scope[tag] = function() { |
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127 | return Builder.node.apply(Builder, [tag].concat($A(arguments))); |
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128 | } |
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129 | }); |
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130 | } |
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131 | }; |
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