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Detect automatically form prefix #165

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Detect automatically form prefix #165

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13 changes: 10 additions & 3 deletions src/jquery.formset.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,15 @@
;(function($) {
$.fn.formset = function(opts)
{
var options = $.extend({}, $.fn.formset.defaults, opts),
flatExtraClasses = options.extraClasses.join(' '),
var options = $.extend({}, $.fn.formset.defaults, opts);

if (options.prefix === null)
{
var raw_id = $(this).first().prev().children('input:hidden').first().attr('id');
options.prefix = raw_id.substring(3, raw_id.search('-'));
}

var flatExtraClasses = options.extraClasses.join(' '),
totalForms = $('#id_' + options.prefix + '-TOTAL_FORMS'),
maxForms = $('#id_' + options.prefix + '-MAX_NUM_FORMS'),
minForms = $('#id_' + options.prefix + '-MIN_NUM_FORMS'),
Expand Down Expand Up @@ -230,7 +237,7 @@

/* Setup plugin defaults */
$.fn.formset.defaults = {
prefix: 'form', // The form prefix for your django formset
prefix: null, // The form prefix for your django formset (null: will detect automatically)
formTemplate: null, // The jQuery selection cloned to generate new form instances
addText: 'add another', // Text for the add link
deleteText: 'remove', // Text for the delete link
Expand Down