diff --git a/assets/src/js/functions/datatables.js b/assets/src/js/functions/datatables.js
index 09258abfb..969d9f135 100755
--- a/assets/src/js/functions/datatables.js
+++ b/assets/src/js/functions/datatables.js
@@ -38,34 +38,32 @@ function start_datatables() {
     start_local_datatables();
 
     $('.main-records').each(function () {
-        var $this = $(this);
+        const $this = $(this);
 
         // Controlla che la tabella non sia già inizializzata
         if (!$.fn.DataTable.isDataTable('#' + $this.attr('id'))) {
-            var id_module = $this.data('idmodule');
-            var id_plugin = $this.data('idplugin');
-            var id_parent = $this.data('idparent');
+            const id_module = $this.data('idmodule');
+            const id_plugin = $this.data('idplugin');
+            const id_parent = $this.data('idparent');
 
             // Parametri di ricerca da url o sessione
-            var search = getTableSearch();
+            const search = getTableSearch();
 
-            var column_search = [];
+            const column_search = [];
             $this.find("th").each(function () {
-                var id = $(this).attr('id').replace("th_", "");
-                var single_value = search["search_" + id] ? search["search_" + id] : "";
+                const id = $(this).attr('id').replace("th_", "");
+                const single_value = search["search_" + id] ? search["search_" + id] : "";
 
                 column_search.push({
                     "sSearch": single_value,
                 });
             });
 
-            var tempo_attesa_ricerche = (globals.tempo_attesa_ricerche * 1000);
-
             $this.on('preInit.dt', function (ev, settings) {
                 $('#mini-loader').show();
             });
 
-            var table = $this.DataTable({
+            const table = $this.DataTable({
                 language: globals.translations.datatables,
                 autoWidth: true,
                 dom: "ti",
@@ -97,82 +95,7 @@ function start_datatables() {
                     style: 'multi',
                     selector: 'td:first-child'
                 },
-                buttons: [
-                    {
-                        extend: 'csv',
-                        fieldSeparator: ";",
-                        exportOptions: {
-                            modifier: {
-                                selected: true
-                            },
-                            format: {
-                                body: function (data, row, column, node) {
-                                    data = $('<p>' + data + '</p>').text();
-                                    data_edit = data.replace('.', ''); // Rimozione punto delle migliaia
-
-                                    return data_edit.match(/^[0-9,]+$/) ? data_edit : data;
-                                }
-                            }
-                        }
-                    },
-                    {
-                        extend: 'copy',
-                        exportOptions: {
-                            modifier: {
-                                selected: true
-                            }
-                        }
-                    },
-                    {
-                        extend: 'print',
-                        autoPrint: true,
-                        footer: true,
-                        customize: function (win) {
-                            $(win.document.body)
-                                .css('font-size', '10pt')
-                                .append(
-                                    '<table class="main-records table table-condensed table-bordered dataTable"><tfoot><tr><td></td><td class="pull-right">' + $('#summable').text() + '</td><td></td></tr></tfoot></table>'
-                                );
-                            $(win.document.body).find('table')
-                                .addClass('compact')
-                                .css('font-size', 'inherit');
-                            $(win.document.body).find('td:first-child')
-                                .addClass('hide');
-                            $(win.document.body).find('th:first-child')
-                                .addClass('hide');
-                        },
-                        exportOptions: {
-                            modifier: {
-                                selected: true
-                            }
-                        }
-                    },
-                    {
-                        extend: 'excel',
-                        exportOptions: {
-                            modifier: {
-                                selected: true
-                            },
-                            format: {
-                                body: function (data, row, column, node) {
-                                    data = $('<p>' + data + '</p>').text();
-                                    data_edit = data.replace('.', ''); // Fix specifico per i numeri italiani
-                                    data_edit = data_edit.replace(',', '.');
-
-                                    return data_edit.match(/^[0-9\.]+$/) ? data_edit : data;
-                                }
-                            }
-                        }
-                    },
-                    {
-                        extend: 'pdf',
-                        exportOptions: {
-                            modifier: {
-                                selected: true
-                            }
-                        }
-                    },
-                ],
+                buttons: getDatatablesButtons($this),
                 scroller: {
                     loadingIndicator: true,
                     displayBuffer: globals.dataload_page_buffer,
@@ -182,120 +105,9 @@ function start_datatables() {
                     type: 'GET',
                     dataSrc: "data",
                 },
-                initComplete: function (settings) {
-                    var api = this.api();
-                    var search = getTableSearch();
-
-                    api.columns('.search').every(function () {
-                        var column = this;
-
-                        // Valore predefinito della ricerca
-                        var tempo;
-                        var header = $(column.header());
-                        var name = header.attr('id').replace('th_', '');
-
-                        var value = search['search_' + name] ? search['search_' + name] : '';
-
-                        $('<br><input type="text" style="width:100%" class="form-control' + (value ? ' input-searching' : '') + '" placeholder="' + globals.translations.filter + '..." value="' + value.replace(/"/g, '&quot;') + '"><i class="deleteicon fa fa-times fa-2x' + (value ? '' : ' hide') + '"></i>')
-                            .appendTo(column.header())
-                            .on('keyup', function (e) {
-                                clearInterval(tempo);
-
-                                // Fix del pulsante di pulizia ricerca e del messaggio sulla ricerca lenta
-                                if (e.which != 9) {
-                                    if (!$(this).val()) {
-                                        if ($(this).parent().data("slow") != undefined) $("#slow").remove();
-                                        $(this).removeClass('input-searching');
-                                        $(this).next('.deleteicon').addClass('hide');
-                                    } else {
-                                        if ($(this).parent().data("slow") != undefined && $("#slow").length == 0) {
-                                            $("#" + $this.attr('id') + "_info").parent().append('<span class="text-danger" id="slow"><i class="fa fa-refresh fa-spin"></i> ' + globals.translations.long + '</span>');
-                                        }
-                                        $(this).addClass('input-searching');
-                                        $(this).next('.deleteicon').removeClass('hide');
-                                    }
-                                }
-
-                                function start_search(module_id, field, search_value) {
-                                    searchTable(module_id, field, search_value);
-                                    column.search(search_value).draw();
-                                }
-
-                                // Impostazione delle sessioni per le ricerche del modulo e del campo specificati
-                                var module_id = $this.data('idmodule'); //+ "-" + $this.data('idplugin');
-                                var field = $(this).parent().attr('id').replace('th_', '');
-                                var value = $(this).val();
-                                if (e.keyCode == 13 || $(this).val() == '') {
-                                    start_search(module_id, field, value);
-                                } else {
-                                    tempo = window.setTimeout(start_search, tempo_attesa_ricerche, module_id, field, value);
-                                }
-                            });
-                    });
-
-                    // Disabilito l'ordinamento alla pressione del tasto invio sull'<input>
-                    $("thead input, .search").on('keypress', function (e) {
-                        stopTableSorting(e);
-                    });
-
-                    // Disabilito l'ordinamento al click sull'<input>
-                    $("thead input, .deleteicon").click(function (e) {
-                        stopTableSorting(e);
-                    });
-
-                    $('.deleteicon').on("click", function (e) {
-                        resetTableSearch($(this).parent().attr("id").replace("th_", ""));
-                    });
-                },
-                drawCallback: function (settings) {
-                    var api = new $.fn.dataTable.Api(settings);
-
-                    $(".dataTables_sizing .deleteicon").addClass('hide');
-
-                    $("[data-background]").each(function () {
-                        $(this).parent().css("background", $(this).data("background"));
-                    });
-
-                    $("[data-color]").each(function () {
-                        $(this).parent().css("color", $(this).data("color"));
-                    });
-
-                    $("[data-link]").each(function () {
-                        var $link = $(this);
-                        $(this).parent().not('.bound').addClass('bound').click(function (event) {
-                            if ($link.data('type') === 'dialog') {
-                                launch_modal(globals.translations.details, $link.data('link'));
-                            } else {
-                                openLink(event, $link.data('link'))
-                            }
-                        });
-                        $(this).parent().addClass("clickable");
-                    });
-
-                    // Reimposto il flag sulle righe ricaricate selezionate in precedenza
-                    var selected = $this.data('selected') ? $this.data('selected').split(';') : [];
-                    table.rows().every(function (rowIdx) {
-                        if ($.inArray(this.id().toString(), selected) !== -1) {
-                            table.row(':eq(' + rowIdx + ')', {
-                                page: 'current'
-                            }).select();
-                        }
-                    });
-                },
-                footerCallback: function (row, data, start, end, display) {
-                    var i = -1;
-                    var json = this.api().ajax.json();
-
-                    this.api().columns().every(function () {
-                        if (json.summable[i] !== undefined) {
-                            $(this.footer()).addClass("text-right")
-                                .attr("id", "summable")
-                                .html(json.summable[i]);
-                        }
-
-                        i++;
-                    });
-                }
+                initComplete: initComplete,
+                drawCallback: drawCallback,
+                footerCallback: footerCallback,
             });
 
             table.on('processing.dt', function (e, settings, processing) {
@@ -309,26 +121,30 @@ function start_datatables() {
     });
 }
 
+/**
+ * Funzione per evitare il sorting al click della colonna.
+ * Utilizzata per evitare il sorting nelle ricerche.
+ * @param {*} e
+ */
 function stopTableSorting(e) {
     if (!e) var e = window.event;
     e.cancelBubble = true;
     if (e.stopPropagation) e.stopPropagation();
 }
 
+/**
+ * Funzione per resettare il campo di ricerca in una specifica colonna.
+ * @param {string} type
+ */
 function resetTableSearch(type) {
     if (type == null) $('[id^=th_] input').val('').trigger('keyup');
     else $('[id^=th_' + type + '] input').val('').trigger('keyup');
 }
 
-function reset(type) {
-    return resetTableSearch(type);
-}
-
 /**
  * Sostituisce i caratteri speciali per la ricerca attraverso le tabelle Datatables.
  *
- * @param string field
- *
+ * @param {string} field
  * @return string
  */
 function searchFieldName(field) {
@@ -338,17 +154,21 @@ function searchFieldName(field) {
 /**
  * Salva nella sessione la ricerca per le tabelle Datatables.
  *
- * @param int module_id
- * @param string field
- * @param mixed value
+ * @param {int} module_id
+ * @param {string} field
+ * @param {mixed} value
  */
 function searchTable(module_id, field, value) {
     session_set('module_' + module_id + ',' + 'search_' + searchFieldName(field), value, 0);
 }
 
+/**
+ * Restituisce i valori di ricerca impostati nell'URL della pagina.
+ * @returns {{}}
+ */
 function getTableSearch() {
     // Parametri di ricerca da url o sessione
-    var search = getUrlVars();
+    const search = getUrlVars();
 
     globals.search.forEach(function (value, index, array) {
         if (search[array[index]] === undefined) {
@@ -359,6 +179,220 @@ function getTableSearch() {
     return search;
 }
 
+/**
+ * Restituisce i pulsanti da generare per la tabella Datatables.
+ * @returns
+ */
+function getDatatablesButtons(table) {
+    return [
+        // Pulsante di esportazione CSV
+        {
+            extend: 'csv',
+            footer: true,
+            fieldSeparator: ";",
+            exportOptions: {
+                modifier: {
+                    selected: true
+                },
+                format: {
+                    body: function (data, row, column, node) {
+                        data = $('<p>' + data + '</p>').text();
+                        data_edit = data.replace('.', ''); // Rimozione punto delle migliaia
+
+                        return data_edit.match(/^[0-9,]+$/) ? data_edit : data;
+                    }
+                }
+            }
+        },
+        // Pulsante di esportazione tramite copia
+        {
+            extend: 'copy',
+            footer: true,
+            exportOptions: {
+                modifier: {
+                    selected: true
+                }
+            }
+        },
+        // Pulsante di esportazione via stampa della tabella
+        {
+            extend: 'print',
+            autoPrint: true,
+            footer: false, // Non funzionante in Firefox, e saltuarmente in Chrome
+            customize: function (win) {
+                const datatable = getTable(table).datatable;
+
+                const footer = datatable.table().footer().children[0];
+                console.log(footer);
+
+                const body = $(win.document.body);
+                body.find('table')
+                    .addClass('compact')
+                    .css('font-size', 'inherit')
+                    .append(footer);
+
+                body.find('td:first-child, th:first-child')
+                    .addClass('hide');
+
+            },
+            exportOptions: {
+                modifier: {
+                    selected: true
+                }
+            }
+        },
+        // Pulsante di esportazione in formato Excel
+        {
+            extend: 'excel',
+            footer: true,
+            exportOptions: {
+                modifier: {
+                    selected: true
+                },
+                format: {
+                    body: function (data, row, column, node) {
+                        data = $('<p>' + data + '</p>').text();
+                        data_edit = data.replace('.', ''); // Fix specifico per i numeri italiani
+                        data_edit = data_edit.replace(',', '.');
+
+                        return data_edit.match(/^[0-9\.]+$/) ? data_edit : data;
+                    }
+                }
+            }
+        },
+        // Pulsante di esportazione in formato PDF
+        {
+            extend: 'pdf',
+            footer: true,
+            exportOptions: {
+                modifier: {
+                    selected: true
+                }
+            }
+        },
+    ];
+}
+
+function initComplete(settings) {
+    const api = this.api();
+    const search = getTableSearch();
+
+    api.columns('.search').every(function () {
+        const column = this;
+
+        // Valore predefinito della ricerca
+        let tempo;
+        const header = $(column.header());
+        const name = header.attr('id').replace('th_', '');
+
+        const value = search['search_' + name] ? search['search_' + name] : '';
+
+        $('<br><input type="text" style="width:100%" class="form-control' + (value ? ' input-searching' : '') + '" placeholder="' + globals.translations.filter + '..." value="' + value.replace(/"/g, '&quot;') + '"><i class="deleteicon fa fa-times fa-2x' + (value ? '' : ' hide') + '"></i>')
+            .appendTo(column.header())
+            .on('keyup', function (e) {
+                clearInterval(tempo);
+
+                // Fix del pulsante di pulizia ricerca e del messaggio sulla ricerca lenta
+                if (e.which != 9) {
+                    if (!$(this).val()) {
+                        if ($(this).parent().data("slow") != undefined) $("#slow").remove();
+                        $(this).removeClass('input-searching');
+                        $(this).next('.deleteicon').addClass('hide');
+                    } else {
+                        if ($(this).parent().data("slow") != undefined && $("#slow").length == 0) {
+                            $("#" + $this.attr('id') + "_info").parent().append('<span class="text-danger" id="slow"><i class="fa fa-refresh fa-spin"></i> ' + globals.translations.long + '</span>');
+                        }
+                        $(this).addClass('input-searching');
+                        $(this).next('.deleteicon').removeClass('hide');
+                    }
+                }
+
+                function start_search(module_id, field, search_value) {
+                    searchTable(module_id, field, search_value);
+                    column.search(search_value).draw();
+                }
+
+                // Impostazione delle sessioni per le ricerche del modulo e del campo specificati
+                const module_id = $this.data('idmodule'); //+ "-" + $this.data('idplugin');
+                const field = $(this).parent().attr('id').replace('th_', '');
+                const value = $(this).val();
+                if (e.keyCode == 13 || $(this).val() == '') {
+                    start_search(module_id, field, value);
+                } else {
+                    const tempo_attesa_ricerche = (globals.tempo_attesa_ricerche * 1000);
+
+                    tempo = window.setTimeout(start_search, tempo_attesa_ricerche, module_id, field, value);
+                }
+            });
+    });
+
+    // Disabilito l'ordinamento alla pressione del tasto invio sull'<input>
+    $("thead input, .search").on('keypress', function (e) {
+        stopTableSorting(e);
+    });
+
+    // Disabilito l'ordinamento al click sull'<input>
+    $("thead input, .deleteicon").click(function (e) {
+        stopTableSorting(e);
+    });
+
+    $('.deleteicon').on("click", function (e) {
+        resetTableSearch($(this).parent().attr("id").replace("th_", ""));
+    });
+}
+
+function drawCallback(settings) {
+    const table = getTable(settings.nTable);
+    const datatable = table.datatable;
+
+    $(".dataTables_sizing .deleteicon").addClass('hide');
+
+    $("[data-background]").each(function () {
+        $(this).parent().css("background", $(this).data("background"));
+    });
+
+    $("[data-color]").each(function () {
+        $(this).parent().css("color", $(this).data("color"));
+    });
+
+    $("[data-link]").each(function () {
+        const $link = $(this);
+        $(this).parent().not('.bound').addClass('bound').click(function (event) {
+            if ($link.data('type') === 'dialog') {
+                launch_modal(globals.translations.details, $link.data('link'));
+            } else {
+                openLink(event, $link.data('link'))
+            }
+        });
+        $(this).parent().addClass("clickable");
+    });
+
+    // Reimposto il flag sulle righe ricaricate selezionate in precedenza
+    const selected = table.getSelectedRows();
+    datatable.rows().every(function (rowIdx) {
+        if (selected.includes(this.id())) {
+            datatable.row(':eq(' + rowIdx + ')', {
+                page: 'current'
+            }).select();
+        }
+    });
+}
+
+function footerCallback(row, data, start, end, display) {
+    let i = -1;
+    const json = this.api().ajax.json();
+
+    this.api().columns().every(function () {
+        if (json.summable[i] !== undefined) {
+            $(this.footer()).addClass("text-right")
+                .attr("id", "summable")
+                .html(json.summable[i]);
+        }
+
+        i++;
+    });
+}
+
 /**
  * Restituisce un oggetto che permette di gestire le tabelle DataTables.
  *
@@ -425,13 +459,13 @@ function getTable(selector) {
 
             // Aggiornamento del footer nel caso sia richiesto
             if (globals.restrict_summables_to_selected) {
-                this.updateSelectedFooter();
+                this.updateFooterForSelectedRows();
             }
         },
         addSelectedRows: function (row_ids) {
             row_ids = Array.isArray(row_ids) ? row_ids : [row_ids];
             row_ids.forEach(function (item, index) {
-                selected.set(item, true);
+                selected.set(item.toString(), true);
             });
 
             this.saveSelectedRows();
@@ -439,7 +473,7 @@ function getTable(selector) {
         removeSelectedRows: function (row_ids) {
             row_ids = Array.isArray(row_ids) ? row_ids : [row_ids];
             row_ids.forEach(function (item, index) {
-                selected.delete(item);
+                selected.delete(item.toString());
             });
 
             this.saveSelectedRows();
@@ -449,12 +483,14 @@ function getTable(selector) {
             this.saveSelectedRows();
         },
 
-        // Aggiornamento dei campi summable
-        updateSelectedFooter: function () {
-            let datatable = this.datatable;
+        /**
+         * Nuovi valori dei campi summable
+         * @returns
+         */
+        getSelectedRowsFooter: function () {
             let ids = this.getSelectedRows();
 
-            $.ajax({
+            return $.ajax({
                 url: globals.rootdir + "/ajax.php",
                 type: "POST",
                 dataType: "json",
@@ -463,15 +499,23 @@ function getTable(selector) {
                     id_plugin: this.id_plugin,
                     op: "summable-results",
                     ids: ids,
-                },
-                success: function (response) {
-                    for (let [column, value] of Object.entries(response)) {
-                        let index = parseInt(column) + 1;
-                        let sel = datatable.column(index).footer();
-                        $(sel).addClass("text-right")
-                            .attr("id", "summable")
-                            .html(value);
-                    }
+                }
+            });
+        },
+
+        /**
+         * Aggiornamento dei campi summable
+         */
+        updateFooterForSelectedRows: function () {
+            let datatable = this.datatable;
+
+            this.getSelectedRowsFooter().then(function (response) {
+                for (let [column, value] of Object.entries(response)) {
+                    let index = parseInt(column) + 1;
+                    let sel = datatable.column(index).footer();
+                    $(sel).addClass("text-right")
+                        .attr("id", "summable")
+                        .html(value);
                 }
             });
         },