Chris@0: /**
Chris@0: * DO NOT EDIT THIS FILE.
Chris@0: * See the following change record for more information,
Chris@0: * https://www.drupal.org/node/2815083
Chris@0: * @preserve
Chris@0: **/
Chris@0: 
Chris@0: (function ($, Drupal) {
Chris@0:   var autocomplete = void 0;
Chris@0: 
Chris@0:   function autocompleteSplitValues(value) {
Chris@0:     var result = [];
Chris@0:     var quote = false;
Chris@0:     var current = '';
Chris@0:     var valueLength = value.length;
Chris@0:     var character = void 0;
Chris@0: 
Chris@0:     for (var i = 0; i < valueLength; i++) {
Chris@0:       character = value.charAt(i);
Chris@0:       if (character === '"') {
Chris@0:         current += character;
Chris@0:         quote = !quote;
Chris@0:       } else if (character === ',' && !quote) {
Chris@0:         result.push(current.trim());
Chris@0:         current = '';
Chris@0:       } else {
Chris@0:         current += character;
Chris@0:       }
Chris@0:     }
Chris@0:     if (value.length > 0) {
Chris@0:       result.push($.trim(current));
Chris@0:     }
Chris@0: 
Chris@0:     return result;
Chris@0:   }
Chris@0: 
Chris@0:   function extractLastTerm(terms) {
Chris@0:     return autocomplete.splitValues(terms).pop();
Chris@0:   }
Chris@0: 
Chris@0:   function searchHandler(event) {
Chris@0:     var options = autocomplete.options;
Chris@0: 
Chris@0:     if (options.isComposing) {
Chris@0:       return false;
Chris@0:     }
Chris@0: 
Chris@0:     var term = autocomplete.extractLastTerm(event.target.value);
Chris@0: 
Chris@0:     if (term.length > 0 && options.firstCharacterBlacklist.indexOf(term[0]) !== -1) {
Chris@0:       return false;
Chris@0:     }
Chris@0: 
Chris@0:     return term.length >= options.minLength;
Chris@0:   }
Chris@0: 
Chris@0:   function sourceData(request, response) {
Chris@0:     var elementId = this.element.attr('id');
Chris@0: 
Chris@0:     if (!(elementId in autocomplete.cache)) {
Chris@0:       autocomplete.cache[elementId] = {};
Chris@0:     }
Chris@0: 
Chris@0:     function showSuggestions(suggestions) {
Chris@0:       var tagged = autocomplete.splitValues(request.term);
Chris@0:       var il = tagged.length;
Chris@0:       for (var i = 0; i < il; i++) {
Chris@0:         var index = suggestions.indexOf(tagged[i]);
Chris@0:         if (index >= 0) {
Chris@0:           suggestions.splice(index, 1);
Chris@0:         }
Chris@0:       }
Chris@0:       response(suggestions);
Chris@0:     }
Chris@0: 
Chris@17:     var term = autocomplete.extractLastTerm(request.term);
Chris@17: 
Chris@0:     function sourceCallbackHandler(data) {
Chris@0:       autocomplete.cache[elementId][term] = data;
Chris@0: 
Chris@0:       showSuggestions(data);
Chris@0:     }
Chris@0: 
Chris@0:     if (autocomplete.cache[elementId].hasOwnProperty(term)) {
Chris@0:       showSuggestions(autocomplete.cache[elementId][term]);
Chris@0:     } else {
Chris@0:       var options = $.extend({ success: sourceCallbackHandler, data: { q: term } }, autocomplete.ajax);
Chris@0:       $.ajax(this.element.attr('data-autocomplete-path'), options);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   function focusHandler() {
Chris@0:     return false;
Chris@0:   }
Chris@0: 
Chris@0:   function selectHandler(event, ui) {
Chris@0:     var terms = autocomplete.splitValues(event.target.value);
Chris@0: 
Chris@0:     terms.pop();
Chris@0: 
Chris@0:     terms.push(ui.item.value);
Chris@0: 
Chris@0:     event.target.value = terms.join(', ');
Chris@0: 
Chris@0:     return false;
Chris@0:   }
Chris@0: 
Chris@0:   function renderItem(ul, item) {
Chris@0:     return $('<li>').append($('<a>').html(item.label)).appendTo(ul);
Chris@0:   }
Chris@0: 
Chris@0:   Drupal.behaviors.autocomplete = {
Chris@0:     attach: function attach(context) {
Chris@0:       var $autocomplete = $(context).find('input.form-autocomplete').once('autocomplete');
Chris@0:       if ($autocomplete.length) {
Chris@0:         var blacklist = $autocomplete.attr('data-autocomplete-first-character-blacklist');
Chris@0:         $.extend(autocomplete.options, {
Chris@0:           firstCharacterBlacklist: blacklist || ''
Chris@0:         });
Chris@0: 
Chris@0:         $autocomplete.autocomplete(autocomplete.options).each(function () {
Chris@0:           $(this).data('ui-autocomplete')._renderItem = autocomplete.options.renderItem;
Chris@0:         });
Chris@0: 
Chris@0:         $autocomplete.on('compositionstart.autocomplete', function () {
Chris@0:           autocomplete.options.isComposing = true;
Chris@0:         });
Chris@0:         $autocomplete.on('compositionend.autocomplete', function () {
Chris@0:           autocomplete.options.isComposing = false;
Chris@0:         });
Chris@0:       }
Chris@0:     },
Chris@0:     detach: function detach(context, settings, trigger) {
Chris@0:       if (trigger === 'unload') {
Chris@0:         $(context).find('input.form-autocomplete').removeOnce('autocomplete').autocomplete('destroy');
Chris@0:       }
Chris@0:     }
Chris@0:   };
Chris@0: 
Chris@0:   autocomplete = {
Chris@0:     cache: {},
Chris@0: 
Chris@0:     splitValues: autocompleteSplitValues,
Chris@0:     extractLastTerm: extractLastTerm,
Chris@0: 
Chris@0:     options: {
Chris@0:       source: sourceData,
Chris@0:       focus: focusHandler,
Chris@0:       search: searchHandler,
Chris@0:       select: selectHandler,
Chris@0:       renderItem: renderItem,
Chris@0:       minLength: 1,
Chris@0: 
Chris@0:       firstCharacterBlacklist: '',
Chris@0: 
Chris@0:       isComposing: false
Chris@0:     },
Chris@0:     ajax: {
Chris@0:       dataType: 'json'
Chris@0:     }
Chris@0:   };
Chris@0: 
Chris@0:   Drupal.autocomplete = autocomplete;
Chris@0: })(jQuery, Drupal);