137 lines
4.7 KiB
JavaScript
137 lines
4.7 KiB
JavaScript
// script.aculo.us builder.js v1.8.1, Thu Jan 03 22:07:12 -0500 2008
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// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
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//
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// script.aculo.us is freely distributable under the terms of an MIT-style license.
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// For details, see the script.aculo.us web site: http://script.aculo.us/
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var Builder = {
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NODEMAP: {
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AREA: 'map',
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CAPTION: 'table',
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COL: 'table',
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COLGROUP: 'table',
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LEGEND: 'fieldset',
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OPTGROUP: 'select',
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OPTION: 'select',
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PARAM: 'object',
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TBODY: 'table',
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TD: 'table',
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TFOOT: 'table',
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TH: 'table',
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THEAD: 'table',
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TR: 'table'
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},
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// note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
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// due to a Firefox bug
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node: function(elementName) {
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elementName = elementName.toUpperCase();
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// try innerHTML approach
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var parentTag = this.NODEMAP[elementName] || 'div';
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var parentElement = document.createElement(parentTag);
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try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
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parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
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} catch(e) {}
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var element = parentElement.firstChild || null;
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// see if browser added wrapping tags
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if(element && (element.tagName.toUpperCase() != elementName))
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element = element.getElementsByTagName(elementName)[0];
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// fallback to createElement approach
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if(!element) element = document.createElement(elementName);
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// abort if nothing could be created
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if(!element) return;
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// attributes (or text)
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if(arguments[1])
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if(this._isStringOrNumber(arguments[1]) ||
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(arguments[1] instanceof Array) ||
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arguments[1].tagName) {
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this._children(element, arguments[1]);
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} else {
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var attrs = this._attributes(arguments[1]);
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if(attrs.length) {
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try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
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parentElement.innerHTML = "<" +elementName + " " +
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attrs + "></" + elementName + ">";
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} catch(e) {}
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element = parentElement.firstChild || null;
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// workaround firefox 1.0.X bug
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if(!element) {
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element = document.createElement(elementName);
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for(attr in arguments[1])
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element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
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}
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if(element.tagName.toUpperCase() != elementName)
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element = parentElement.getElementsByTagName(elementName)[0];
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}
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}
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// text, or array of children
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if(arguments[2])
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this._children(element, arguments[2]);
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return element;
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},
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_text: function(text) {
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return document.createTextNode(text);
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},
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ATTR_MAP: {
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'className': 'class',
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'htmlFor': 'for'
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},
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_attributes: function(attributes) {
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var attrs = [];
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for(attribute in attributes)
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attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
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'="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'"') + '"');
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return attrs.join(" ");
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},
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_children: function(element, children) {
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if(children.tagName) {
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element.appendChild(children);
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return;
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}
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if(typeof children=='object') { // array can hold nodes and text
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children.flatten().each( function(e) {
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if(typeof e=='object')
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element.appendChild(e)
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else
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if(Builder._isStringOrNumber(e))
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element.appendChild(Builder._text(e));
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});
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} else
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if(Builder._isStringOrNumber(children))
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element.appendChild(Builder._text(children));
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},
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_isStringOrNumber: function(param) {
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return(typeof param=='string' || typeof param=='number');
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},
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build: function(html) {
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var element = this.node('div');
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$(element).update(html.strip());
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return element.down();
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},
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dump: function(scope) {
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if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope
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var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
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"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
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"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
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"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
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"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
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"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
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tags.each( function(tag){
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scope[tag] = function() {
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return Builder.node.apply(Builder, [tag].concat($A(arguments)));
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}
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});
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}
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}
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