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// $Id: hierarchical_select_formtoarray.js,v 1.2 2008/05/01 12:11:35 wimleers Exp $
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/**
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* @file
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* Contains the formToArray method and the method it depends on. Taken from
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* jQuery Form Plugin 2.12. (http://www.malsup.com/jquery/form/)
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*/
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(function ($) {
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/**
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* formToArray() gathers form element data into an array of objects that can
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* be passed to any of the following ajax functions: $.get, $.post, or load.
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* Each object in the array has both a 'name' and 'value' property. An example of
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* an array for a simple login form might be:
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*
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* [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ]
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*
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* It is this array that is passed to pre-submit callback functions provided to the
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* ajaxSubmit() and ajaxForm() methods.
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*/
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$.fn.formToArray = function(semantic) {
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var a = [];
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if (this.length == 0) return a;
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var form = this[0];
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var els = semantic ? form.getElementsByTagName('*') : form.elements;
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if (!els) return a;
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for(var i=0, max=els.length; i < max; i++) {
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var el = els[i];
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var n = el.name;
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if (!n) continue;
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if (semantic && form.clk && el.type == "image") {
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// handle image inputs on the fly when semantic == true
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if(!el.disabled && form.clk == el)
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a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
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continue;
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}
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var v = $.fieldValue(el, true);
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if (v && v.constructor == Array) {
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for(var j=0, jmax=v.length; j < jmax; j++)
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a.push({name: n, value: v[j]});
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}
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else if (v !== null && typeof v != 'undefined')
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a.push({name: n, value: v});
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}
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if (!semantic && form.clk) {
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// input type=='image' are not found in elements array! handle them here
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var inputs = form.getElementsByTagName("input");
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for(var i=0, max=inputs.length; i < max; i++) {
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var input = inputs[i];
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var n = input.name;
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if(n && !input.disabled && input.type == "image" && form.clk == input)
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a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
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}
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}
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return a;
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};
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/**
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* Returns the value of the field element.
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*/
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$.fieldValue = function(el, successful) {
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var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
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if (typeof successful == 'undefined') successful = true;
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if (successful && (!n || el.disabled || t == 'reset' || t == 'button' ||
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(t == 'checkbox' || t == 'radio') && !el.checked ||
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(t == 'submit' || t == 'image') && el.form && el.form.clk != el ||
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tag == 'select' && el.selectedIndex == -1))
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return null;
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if (tag == 'select') {
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var index = el.selectedIndex;
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if (index < 0) return null;
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var a = [], ops = el.options;
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var one = (t == 'select-one');
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var max = (one ? index+1 : ops.length);
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for(var i=(one ? index : 0); i < max; i++) {
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var op = ops[i];
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if (op.selected) {
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// extra pain for IE...
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var v = $.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value;
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if (one) return v;
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a.push(v);
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}
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}
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return a;
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}
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return el.value;
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};
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})(jQuery);
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