From 5587ac45f66f0eacfdd4daf862d38d85d9c9bc98 Mon Sep 17 00:00:00 2001
From: Konstantin Koslowski <konstantin.koslowski@gmail.com>
Date: Fri, 15 Nov 2019 11:52:48 +0100
Subject: [PATCH] homecontrol-dash: properly update max slider values in
 callback

---
 homecontrol-dash.py | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/homecontrol-dash.py b/homecontrol-dash.py
index 15b5544..0aa6f09 100755
--- a/homecontrol-dash.py
+++ b/homecontrol-dash.py
@@ -57,7 +57,7 @@ app.layout = html.Div(children=[
             dcc.Graph(
                 id='graph-sensor-values',
                 figure={
-                    'data': [ {'x': [0], 'y': [0], 'mode': 'markers', 'name': 'None'} ],
+                    'data': [ {'x': [0], 'y': [0], 'mode': 'line', 'name': 'None'} ],
                     'layout': { 'title': 'initial values' }
                 }
             )
@@ -115,26 +115,23 @@ def update_slider_limit(value):
 
 
 @app.callback(
-        [Output('slider-min-txt', 'children'), Output('slider-min', 'max')],
+        Output('slider-min-txt', 'children'),
         [Input('slider-min', 'value')])
 def update_slider_min(value):
-    txt = "From: %s" % (time.strftime("%Y/%m/%d %H:%M", time.localtime(float(value))) if
+    return "From: %s" % (time.strftime("%Y/%m/%d %H:%M", time.localtime(float(value))) if
             value > 0 else 0)
-    t = time.time()
-    return txt, t
 
 
 @app.callback(
-        [Output('slider-max-txt', 'children'), Output('slider-max', 'max')],
+        Output('slider-max-txt', 'children'),
         [Input('slider-max', 'value')])
 def update_slider_max(value):
-    txt = "To: %s" % (time.strftime("%Y/%m/%d %H:%M", time.localtime(float(value))))
-    t = time.time()
-    return txt, t
+    return "To: %s" % (time.strftime("%Y/%m/%d %H:%M", time.localtime(float(value))))
 
 
 @app.callback(
-    Output('graph-sensor-values', 'figure'),
+    [Output('graph-sensor-values', 'figure'), Output('slider-min', 'max'),
+        Output('slider-max', 'max')],
     [Input('tabs-select-sensor', 'value'), Input('slider-min', 'value'),
         Input('slider-max', 'value'), Input('slider-limit', 'value')])
 def update_graph_sensor_values(sensorId, min_ts, max_ts, limit):
@@ -149,9 +146,9 @@ def update_graph_sensor_values(sensorId, min_ts, max_ts, limit):
         x = [0]
         y = [0]
     return {
-        'data': [ {'x': x, 'y': y, 'mode': 'markers', 'name': "%s" % (s)} ],
+        'data': [ {'x': x, 'y': y, 'mode': 'line', 'name': "%s" % (s)} ],
         'layout': { 'title': 'Data for sensor: %s (%d elements)' % (s, len(x)) }
-    }
+    }, time.time(), time.time()
 
 if __name__ == '__main__':