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/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
YUI.add('io-form', function (Y, NAME) {
/**
* Extends IO to enable HTML form data serialization, when specified
* in the transaction's configuration object.
* @module io
* @submodule io-form
* @for IO
*/
var eUC = encodeURIComponent;
/**
* Enumerate through an HTML form's elements collection
* and return a string comprised of key-value pairs.
*
* @method stringify
* @static
* @param {Node|String} form YUI form node or HTML form id
* @param {Object} [options] Configuration options.
* @param {Boolean} [options.useDisabled=false] Whether to include disabled fields.
* @param {Object|String} [options.extra] Extra values to include. May be a query string or an object with key/value pairs.
* @return {String}
*/
Y.IO.stringify = function(form, options) {
options = options || {};
var s = Y.IO.prototype._serialize({
id: form,
useDisabled: options.useDisabled
},
options.extra && typeof options.extra === 'object' ? Y.QueryString.stringify(options.extra) : options.extra);
return s;
};
Y.mix(Y.IO.prototype, {
/**
* Enumerate through an HTML form's elements collection
* and return a string comprised of key-value pairs.
*
* @method _serialize
* @private
* @param {Object} c
* @param {String|Element} c.id YUI form node or HTML form id
* @param {Boolean} c.useDisabled `true` to include disabled fields
* @param {String} s Key-value data defined in the configuration object.
* @return {String}
*/
_serialize: function(c, s) {
var data = [],
df = c.useDisabled || false,
item = 0,
id = (typeof c.id === 'string') ? c.id : c.id.getAttribute('id'),
e, f, n, v, d, i, il, j, jl, o;
if (!id) {
id = Y.guid('io:');
c.id.setAttribute('id', id);
}
f = Y.config.doc.getElementById(id);
if (!f || !f.elements) {
return s || '';
}
// Iterate over the form elements collection to construct the
// label-value pairs.
for (i = 0, il = f.elements.length; i < il; ++i) {
e = f.elements[i];
d = e.disabled;
n = e.name;
if (df ? n : n && !d) {
n = eUC(n) + '=';
v = eUC(e.value);
switch (e.type) {
// Safari, Opera, FF all default options.value from .text if
// value attribute not specified in markup
case 'select-one':
if (e.selectedIndex > -1) {
o = e.options[e.selectedIndex];
data[item++] = n + eUC(o.attributes.value && o.attributes.value.specified ? o.value : o.text);
}
break;
case 'select-multiple':
if (e.selectedIndex > -1) {
for (j = e.selectedIndex, jl = e.options.length; j < jl; ++j) {
o = e.options[j];
if (o.selected) {
data[item++] = n + eUC(o.attributes.value && o.attributes.value.specified ? o.value : o.text);
}
}
}
break;
case 'radio':
case 'checkbox':
if (e.checked) {
data[item++] = n + v;
}
break;
case 'file':
// stub case as XMLHttpRequest will only send the file path as a string.
case undefined:
// stub case for fieldset element which returns undefined.
case 'reset':
// stub case for input type reset button.
case 'button':
// stub case for input type button elements.
break;
case 'submit':
default:
data[item++] = n + v;
}
}
}
if (s) {
data[item++] = s;
}
Y.log('HTML form serialized. The value is: ' + data.join('&'), 'info', 'io');
return data.join('&');
}
}, true);
}, '3.17.2', {"requires": ["io-base", "node-base"]});