From c5759f027da65abee32f3867dd29199b95f6a655 Mon Sep 17 00:00:00 2001
From: Matt Chan <thewchan@gmail.com>
Date: Fri, 26 Jun 2020 10:54:19 -0700
Subject: [PATCH] Adding time series tooltip.

---
 app.py    | 8 --------
 ticker.py | 7 ++++++-
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/app.py b/app.py
index 5b77b4aa5..4bf17e05d 100644
--- a/app.py
+++ b/app.py
@@ -23,23 +23,15 @@ def index():
     if request.method == 'GET':
         # Default gives IBM's ticker when first loaded.
         app.vars['symbol'] = 'IBM'
-        p = create_ticker(app.vars['symbol'])
-        p_json = json.dumps(json_item(p, 'myplot'))
         return render_template('index.html',
                                symbol=app.vars['symbol'],
-                               p=p,
-                               p_json=p_json,
                                )
 
     else:
         # User submitted a ticker symbol aka method = 'POST'
         app.vars['symbol'] = request.form['symbol']
-        p = create_ticker(app.vars['symbol'])
-        json.dumps(json_item(p, 'myplot'))
         return render_template('index.html',
                                symbol=app.vars['symbol'],
-                               p=p,
-                               p_json=p_json,
                                )
 
 
diff --git a/ticker.py b/ticker.py
index 9813745dc..78da601cc 100644
--- a/ticker.py
+++ b/ticker.py
@@ -60,6 +60,7 @@ def build_plot(symbol):
                  color='olive',
                  alpha=0.6,
                  legend_label='Open',
+                 name='Open',
                  )
         p.circle(df.index,
                  df['Close'],
@@ -67,21 +68,25 @@ def build_plot(symbol):
                  color='orange',
                  alpha=0.6,
                  legend_label='Close',
+                 name='Close',
                  )
         p.line(df.index,
                df['High'],
                line_width=2,
                color='steelblue',
                legend_label='High',
+               name='High',
                )
         p.line(df.index,
                df['Low'],
                line_width=2,
                color='firebrick',
                legend_label='Low',
+               name='Low'
                )
         p.xaxis.ticker = DatetimeTicker(desired_num_ticks=20)
-        hover = HoverTool(tooltips=[('Date', '@x{%F}'),
+        hover = HoverTool(tooltips=[('Time Series', '$name'),
+                                    ('Date', '@x{%F}'),
                                     ('Price', '$@y{0.00 a}'),
                                     ],
                           formatters={'@x': 'datetime'})