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/** * @copyright (C) 2013 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ /** * ajaxChosen javascript behavior * * Used for displaying tags * * @package Joomla.JavaScript * @since 1.5 * @version 1.0 */ (function($) { return $.fn.ajaxChosen = function(settings, callback, chosenOptions) { var chosenXhr, defaultOptions, options, select; if (settings == null) { settings = {}; } if (callback == null) { callback = {}; } if (chosenOptions == null) { chosenOptions = function() {}; } defaultOptions = { minTermLength: 3, afterTypeDelay: 500, jsonTermKey: "term", keepTypingMsg: Joomla.Text._('JGLOBAL_KEEP_TYPING'), lookingForMsg: Joomla.Text._('JGLOBAL_LOOKING_FOR') }; select = this; chosenXhr = null; options = $.extend({}, defaultOptions, $(select).data(), settings); this.jchosen(chosenOptions ? chosenOptions : {}); return this.each(function() { return $(this).next('.chosen-container').find(".search-field > input, .chosen-search > input").bind('keyup', function() { var field, msg, success, untrimmed_val, val; untrimmed_val = $(this).val(); val = $.trim($(this).val()); msg = val.length < options.minTermLength ? options.keepTypingMsg : options.lookingForMsg + (" '" + val + "'"); select.next('.chosen-container').find('.no-results').text(msg); if (val === $(this).data('prevVal')) { return false; } $(this).data('prevVal', val); if (this.timer) { clearTimeout(this.timer); } if (val.length < options.minTermLength) { return false; } field = $(this); if (!(options.data != null)) { options.data = {}; } options.data[options.jsonTermKey] = val; if (options.dataCallback != null) { options.data = options.dataCallback(options.data); } success = options.success; options.success = function(data) { var items, nbItems, selected_values; if (!(data != null)) { return; } selected_values = []; select.find('option').each(function() { if (!$(this).is(":selected")) { return $(this).remove(); } else { return selected_values.push($(this).val() + "-" + $(this).text()); } }); select.find('optgroup:empty').each(function() { return $(this).remove(); }); items = callback.apply(null, data); nbItems = 0; $.each(items, function(i, element) { var group, text, value; nbItems++; if (element.group) { group = select.find("optgroup[label='" + element.text + "']"); if (!group.size()) { group = $("<optgroup />"); } group.attr('label', element.text).appendTo(select); return $.each(element.items, function(i, element) { var text, value; if (typeof element === "string") { value = i; text = element; } else { value = element.value; text = element.text; } if ($.inArray(value + "-" + text, selected_values) === -1) { return $("<option />").attr('value', value).html(text).appendTo(group); } }); } else { if (typeof element === "string") { value = i; text = element; } else { value = element.value; text = element.text; } if ($.inArray(value + "-" + text, selected_values) === -1) { return $("<option />").attr('value', value).html(text).appendTo(select); } } }); if (nbItems) { select.trigger("chosen:updated"); } else { select.data().jchosen.no_results_clear(); select.data().jchosen.no_results(field.val()); } if (success != null) { success(data); } return field.val(untrimmed_val); }; return this.timer = setTimeout(function() { if (chosenXhr) { chosenXhr.abort(); } return chosenXhr = $.ajax(options); }, options.afterTypeDelay); }); }); }; })(jQuery); jQuery(document).ready(function ($) { if (Joomla.getOptions('ajax-chosen')) { var options = Joomla.getOptions('ajax-chosen'); $(options.selector).ajaxChosen({ type: options.type, url: options.url, dataType: options.dataType, jsonTermKey: options.jsonTermKey, afterTypeDelay: options.afterTypeDelay, minTermLength: options.minTermLength }, function (data) { var results = []; $.each(data, function (i, val) { results.push({ value: val.value, text: val.text }); }); return results; }); } });