1 files changed, 57 insertions, 0 deletions
diff --git a/web/app/store/VolumeUnits.js b/web/app/store/VolumeUnits.js
new file mode 100644
index 00000000..2bdf6684
--- /dev/null
+++ b/web/app/store/VolumeUnits.js
@@ -0,0 +1,57 @@
+/*
+ * 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');
+    }
+});