/testing/selenium-core/lib/scriptaculous/builder.js
JavaScript | 101 lines | 81 code | 8 blank | 12 comment | 24 complexity | 6b737ecca99b73e70149195653627e4a MD5 | raw file
1// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) 2// 3// See scriptaculous.js for full license. 4 5var Builder = { 6 NODEMAP: { 7 AREA: 'map', 8 CAPTION: 'table', 9 COL: 'table', 10 COLGROUP: 'table', 11 LEGEND: 'fieldset', 12 OPTGROUP: 'select', 13 OPTION: 'select', 14 PARAM: 'object', 15 TBODY: 'table', 16 TD: 'table', 17 TFOOT: 'table', 18 TH: 'table', 19 THEAD: 'table', 20 TR: 'table' 21 }, 22 // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken, 23 // due to a Firefox bug 24 node: function(elementName) { 25 elementName = elementName.toUpperCase(); 26 27 // try innerHTML approach 28 var parentTag = this.NODEMAP[elementName] || 'div'; 29 var parentElement = document.createElement(parentTag); 30 try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707 31 parentElement.innerHTML = "<" + elementName + "></" + elementName + ">"; 32 } catch(e) {} 33 var element = parentElement.firstChild || null; 34 35 // see if browser added wrapping tags 36 if(element && (element.tagName != elementName)) 37 element = element.getElementsByTagName(elementName)[0]; 38 39 // fallback to createElement approach 40 if(!element) element = document.createElement(elementName); 41 42 // abort if nothing could be created 43 if(!element) return; 44 45 // attributes (or text) 46 if(arguments[1]) 47 if(this._isStringOrNumber(arguments[1]) || 48 (arguments[1] instanceof Array)) { 49 this._children(element, arguments[1]); 50 } else { 51 var attrs = this._attributes(arguments[1]); 52 if(attrs.length) { 53 try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707 54 parentElement.innerHTML = "<" +elementName + " " + 55 attrs + "></" + elementName + ">"; 56 } catch(e) {} 57 element = parentElement.firstChild || null; 58 // workaround firefox 1.0.X bug 59 if(!element) { 60 element = document.createElement(elementName); 61 for(attr in arguments[1]) 62 element[attr == 'class' ? 'className' : attr] = arguments[1][attr]; 63 } 64 if(element.tagName != elementName) 65 element = parentElement.getElementsByTagName(elementName)[0]; 66 } 67 } 68 69 // text, or array of children 70 if(arguments[2]) 71 this._children(element, arguments[2]); 72 73 return element; 74 }, 75 _text: function(text) { 76 return document.createTextNode(text); 77 }, 78 _attributes: function(attributes) { 79 var attrs = []; 80 for(attribute in attributes) 81 attrs.push((attribute=='className' ? 'class' : attribute) + 82 '="' + attributes[attribute].toString().escapeHTML() + '"'); 83 return attrs.join(" "); 84 }, 85 _children: function(element, children) { 86 if(typeof children=='object') { // array can hold nodes and text 87 children.flatten().each( function(e) { 88 if(typeof e=='object') 89 element.appendChild(e) 90 else 91 if(Builder._isStringOrNumber(e)) 92 element.appendChild(Builder._text(e)); 93 }); 94 } else 95 if(Builder._isStringOrNumber(children)) 96 element.appendChild(Builder._text(children)); 97 }, 98 _isStringOrNumber: function(param) { 99 return(typeof param=='string' || typeof param=='number'); 100 } 101}