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Copyright 2012 Yahoo! Inc. All rights reserved.
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Licensed under the BSD License.
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http://yuilibrary.com/license/
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YUI.add('io-form', function(Y) {
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* Extends IO to enable HTML form data serialization, when specified
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* in the transaction's configuration object.
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var eUC = encodeURIComponent;
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Y.mix(Y.IO.prototype, {
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* Method to enumerate through an HTML form's elements collection
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* and return a string comprised of key-value pairs.
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* @param {Object} c - YUI form node or HTML form id.
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* @param {String} s - Key-value data defined in the configuration object.
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_serialize: function(c, s) {
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df = c.useDisabled || false,
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id = (typeof c.id === 'string') ? c.id : c.id.getAttribute('id'),
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e, f, n, v, d, i, il, j, jl, o;
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c.id.setAttribute('id', id);
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f = Y.config.doc.getElementById(id);
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// Iterate over the form elements collection to construct the
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for (i = 0, il = f.elements.length; i < il; ++i) {
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if (df ? n : n && !d) {
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// Safari, Opera, FF all default options.value from .text if
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// value attribute not specified in markup
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if (e.selectedIndex > -1) {
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o = e.options[e.selectedIndex];
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data[item++] = n + eUC(o.attributes.value && o.attributes.value.specified ? o.value : o.text);
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case 'select-multiple':
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if (e.selectedIndex > -1) {
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for (j = e.selectedIndex, jl = e.options.length; j < jl; ++j) {
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data[item++] = n + eUC(o.attributes.value && o.attributes.value.specified ? o.value : o.text);
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// stub case as XMLHttpRequest will only send the file path as a string.
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// stub case for fieldset element which returns undefined.
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// stub case for input type reset button.
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// stub case for input type button elements.
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return s ? data.join('&') + "&" + s : data.join('&');
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}, '3.5.1' ,{requires:['io-base','node-base']});