configurable print export (#2657)

assets/app.js

@@ -93,6 +93,7 @@ require('./js/KimaiWebLoader.js');
 global.KimaiPaginatedBoxWidget = require('./js/widgets/KimaiPaginatedBoxWidget').default;
 global.KimaiReloadPageWidget = require('./js/widgets/KimaiReloadPageWidget').default;
 global.KimaiCookies = require('./js/widgets/KimaiCookies').default;
+global.KimaiStorage = require('./js/widgets/KimaiStorage').default;
 
 // ------ Autocomplete for tags only ------
 require('jquery-ui/ui/widgets/autocomplete');

assets/js/widgets/KimaiStorage.js

@@ -0,0 +1,30 @@
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/*!
+ * [KIMAI] KimaiStorage: simple wrapper to handle localStorage access
+ */
+
+export default class KimaiStorage {
+
+    static set(name, values) {
+        window.localStorage.setItem(name, JSON.stringify(values));
+    }
+
+    static get(name) {
+        let value = window.localStorage.getItem(name);
+        if (value === undefined || value === null) {
+            return null;
+        }
+        return JSON.parse(value);
+    }
+
+    static remove(name) {
+        window.localStorage.removeItem(name);
+    }
+
+}