Created
August 6, 2012 14:12
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jquery.formset.js
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| (function ($) { | |
| var updateElementIndex = function(el, prefix, ndx) { | |
| var id_regex = new RegExp("(" + prefix + "-(\\d+|__prefix__))"); | |
| var replacement = prefix + "-" + ndx; | |
| if ($(el).attr("for")) { | |
| $(el).attr("for", $(el).attr("for").replace(id_regex, replacement)); | |
| } | |
| if (el.id) { | |
| el.id = el.id.replace(id_regex, replacement); | |
| } | |
| if (el.name) { | |
| el.name = el.name.replace(id_regex, replacement); | |
| } | |
| }; | |
| /** | |
| * Will handle the 'add another' feature. | |
| * | |
| * This plugin should be applied to a container containing a 'add another' | |
| * link, the management form of the formset and an empty template (with | |
| * css class ``empty``). | |
| * | |
| * Required options: | |
| * prefix | |
| */ | |
| $.fn.formset = function (opts) { | |
| return $(this).each(function () { | |
| var template = $(this).find('.empty'); | |
| $('#add_' + opts.prefix + '_form').click(function () { | |
| var form = template.clone(), | |
| total_forms_input = $('#id_' + opts.prefix + '-TOTAL_FORMS'); | |
| total_forms = parseInt(total_forms_input.val()); | |
| form.find('.' + opts.prefix + '-count').text(total_forms + 1); | |
| form.find('*').each(function () { | |
| updateElementIndex(this, opts.prefix, total_forms); | |
| }); | |
| template.before(form); | |
| total_forms_input.val(total_forms + 1); | |
| form.show(); | |
| }); | |
| }); | |
| }; | |
| })(jQuery); |
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