Started working on user-defined-fields for all entities (references #176)

public/viewjs/userfields.js

@@ -0,0 +1,86 @@
+var userfieldsTable = $('#userfields-table').DataTable({
+	'paginate': false,
+	'order': [[1, 'asc']],
+	'columnDefs': [
+		{ 'orderable': false, 'targets': 0 }
+	],
+	'language': JSON.parse(L('datatables_localization')),
+	'scrollY': false,
+	'colReorder': true,
+	'stateSave': true,
+	'stateSaveParams': function(settings, data)
+	{
+		data.search.search = "";
+
+		data.columns.forEach(column =>
+		{
+			column.search.search = "";
+		});
+	}
+});
+$('#userfields-table tbody').removeClass("d-none");
+userfieldsTable.columns.adjust().draw();
+
+$("#search").on("keyup", function()
+{
+	var value = $(this).val();
+	if (value === "all")
+	{
+		value = "";
+	}
+
+	userfieldsTable.search(value).draw();
+});
+
+$("#entity-filter").on("change", function()
+{
+	var value = $("#entity-filter option:selected").text();
+	if (value === L("All"))
+	{
+		value = "";
+	}
+
+	userfieldsTable.column(1).search(value).draw();
+});
+
+$(document).on('click', '.userfield-delete-button', function (e)
+{
+	var objectName = $(e.currentTarget).attr('data-userfield-name');
+	var objectId = $(e.currentTarget).attr('data-userfield-id');
+
+	bootbox.confirm({
+		message: L('Are you sure to delete user field "#1"?', objectName),
+		buttons: {
+			confirm: {
+				label: L('Yes'),
+				className: 'btn-success'
+			},
+			cancel: {
+				label: L('No'),
+				className: 'btn-danger'
+			}
+		},
+		callback: function(result)
+		{
+			if (result === true)
+			{
+				Grocy.Api.Delete('objects/userfields/' + objectId, {},
+					function(result)
+					{
+						window.location.href = U('/userfields');
+					},
+					function(xhr)
+					{
+						console.error(xhr);
+					}
+				);
+			}
+		}
+	});
+});
+
+if (typeof GetUriParam("entity") !== "undefined")
+{
+	$("#entity-filter").val(GetUriParam("entity"));
+	$("#entity-filter").trigger("change");
+}