films-symfony-4-2/assets/js/addCollectionWidget.js

(function ($) {
    $.fn.addCollection = function() {
        function requete(chemin, handleData) {
            $.ajax({
                url: chemin,
                type: 'POST',
                dataType: 'json',
                success: function (reponse) {
                    let reponseArray = parseJson(reponse);
                    handleData(reponseArray);
                }
            })
        }
        
        function parseJson(data) {
            let tableau = [];
            for (let i = 0; i < data.length; i++) {
                let UnObjetJson = data[i];
                let obj = JSON.parse(UnObjetJson);
                sortie = Object.values(obj)
                tableau.push(sortie[0]);
            }
            return tableau;
        }

        function addDeleteLink($prototype) {
            // Création du lien
            let $deleteLink = $('<button type="button" class="btn btn-outline-secondary"><i class="fa fa-trash fa-lg text-danger"></i></button>');
    
            // Ajout du lien
            $prototype.find(":input").after($deleteLink);
    
            // Ajout du listener sur le clic du lien pour effectivement supprimer la catégorie
            $deleteLink.on("click", function(e) {
                $prototype.remove();
    
                e.preventDefault(); // évite qu'un # apparaisse dans l'URL
                return false;
            });
        }

        this.each(function() {
            // Chemin pour la requête
            var chemin = $(this).data('path');

            // On récupère le fieldset pour ajouter les delete-link aux éléments existants
            var $container = $($(this).attr("data-list-selector"));
            $li = $container.find('li');
            $li.each(function() {
                $(this).find(':input').prop("readonly", true);
                addDeleteLink($(this));
            })
      
            $(this).on("click", function(e) {
                e.preventDefault();
                var list = jQuery(jQuery(this).attr('data-list-selector'));
                // Try to find the counter of the list or use the length of the list
                var counter = list.data('widget-counter') | list.children().length;

                // grab the prototype template
                var newWidget = list.attr('data-prototype');
                // replace the "__name__" used in the id and name of the prototype
                // with a number that's unique to your emails
                // end name attribute looks like name="contact[emails][2]"
                newWidget = newWidget.replace(/__name__/g, counter);
                // Increase the counter
                counter++;
                // And store it, the length cannot be used if deleting widgets is allowed
                list.data('widget-counter', counter);
                // create a new list element and add it to the list
                var newElem = jQuery(list.attr('data-widget-tags')).html(newWidget);
                
                requete (chemin, function(output) {
                    newElem.find(':input').autocomplete({
                        source: output
                    });
                })
                
                addDeleteLink(newElem);

                newElem.appendTo(list);
            })
        })
    }

})(jQuery);