include/projax_/js/builder.js
// script.aculo.us builder.js v1.6.4, Wed Sep 06 11:30:58 CEST 2006
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// See scriptaculous.js for full license.
var Builder = {
NODEMAP: {
AREA: 'map',
CAPTION: 'table',
COL: 'table',
COLGROUP: 'table',
LEGEND: 'fieldset',
OPTGROUP: 'select',
OPTION: 'select',
PARAM: 'object',
TBODY: 'table',
TD: 'table',
TFOOT: 'table',
TH: 'table',
THEAD: 'table',
TR: 'table'
},
// note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
// due to a Firefox bug
node: function (elementName) {
elementName = elementName.toUpperCase();
// try innerHTML approach
var parentTag = this.NODEMAP[elementName] || 'div';
var parentElement = document.createElement(parentTag);
try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
} catch (e) {
}
var element = parentElement.firstChild || null;
// see if browser added wrapping tags
if (element && (element.tagName != elementName))
element = element.getElementsByTagName(elementName)[0];
// fallback to createElement approach
if (!element) element = document.createElement(elementName);
// abort if nothing could be created
if (!element) return;
// attributes (or text)
if (arguments[1])
if (this._isStringOrNumber(arguments[1]) ||
(arguments[1] instanceof Array)) {
this._children(element, arguments[1]);
} else {
var attrs = this._attributes(arguments[1]);
if (attrs.length) {
try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
parentElement.innerHTML = "<" + elementName + " " +
attrs + "></" + elementName + ">";
} catch (e) {
}
element = parentElement.firstChild || null;
// workaround firefox 1.0.X bug
if (!element) {
element = document.createElement(elementName);
for (attr in arguments[1])
element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
}
if (element.tagName != elementName)
element = parentElement.getElementsByTagName(elementName)[0];
}
}
// text, or array of children
if (arguments[2])
this._children(element, arguments[2]);
return element;
},
_text: function (text) {
return document.createTextNode(text);
},
_attributes: function (attributes) {
var attrs = [];
for (attribute in attributes)
attrs.push((attribute == 'className' ? 'class' : attribute) +
'="' + attributes[attribute].toString().escapeHTML() + '"');
return attrs.join(" ");
},
_children: function (element, children) {
if (typeof children == 'object') { // array can hold nodes and text
children.flatten().each(function (e) {
if (typeof e == 'object')
element.appendChild(e)
else if (Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));
});
} else if (Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));
},
_isStringOrNumber: function (param) {
return (typeof param == 'string' || typeof param == 'number');
},
dump: function (scope) {
if (typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope
var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX " +
"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P " +
"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD " +
"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
tags.each(function (tag) {
scope[tag] = function () {
return Builder.node.apply(Builder, [tag].concat($A(arguments)));
}
});
}
}