From: gregor herrmann <gregor@toastfreeware.priv.at>
Date: Thu, 9 Aug 2018 13:53:42 +0000 (+0200)
Subject: format datetime in tooltip headers
X-Git-Url: https://git.toastfreeware.priv.at/chrisu/seepark.git/commitdiff_plain/a663c3923a9448fd25c92f6fdbe0e10bfa480418

format datetime in tooltip headers
---

diff --git a/web/static/seepark_web.js b/web/static/seepark_web.js
index 2944e90..4ee570f 100644
--- a/web/static/seepark_web.js
+++ b/web/static/seepark_web.js
@@ -120,9 +120,15 @@ function dayschart(element, title, days, xtickformat) {
 				value: function (value, ratio, id, index) {
 					return value.toFixed(2) + '°';
 				},
-				title: function (x) {
-					// TODO: format datetime into something readable
-					return x;
+				title: function (datetime) {
+					// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleString
+					options = {
+						weekday: 'short',
+						year: 'numeric', month: 'numeric', day: 'numeric',
+						hour: 'numeric', minute: 'numeric', second: 'numeric',
+						timeZone: 'Europe/Vienna', timeZoneName: 'short'
+					};
+					return datetime.toLocaleString('de-AT', options);
 				}
 			}
 		},