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+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.store.VolumeUnits', {
+ extend: 'Ext.data.Store',
+ fields: ['key', 'name', 'fullName', 'factor'],
+
+ data: [{
+ key: 'ltr',
+ name: Strings.sharedLiterAbbreviation,
+ fullName: Strings.sharedLiter,
+ factor: 1
+ }, {
+ key: 'impGal',
+ name: Strings.sharedGallonAbbreviation,
+ fullName: Strings.sharedImpGallon,
+ factor: 4.546
+ }, {
+ key: 'usGal',
+ name: Strings.sharedGallonAbbreviation,
+ fullName: Strings.sharedUsGallon,
+ factor: 3.785
+ }],
+
+ convertValue: function (value, unit, back) {
+ var model;
+ if (!unit) {
+ unit = 'ltr';
+ }
+ model = this.findRecord('key', unit);
+ return back ? value * model.get('factor') : value / model.get('factor');
+ },
+
+ formatValue: function (value, unit, convert) {
+ var model;
+ if (!unit) {
+ unit = 'ltr';
+ }
+ model = this.findRecord('key', unit);
+ return (convert ? this.convertValue(value, unit) : value).toFixed(1) + ' ' + model.get('name');
+ }
+});