From 5978ce65b91425fc5fdbeb38ebb9f19724496d17 Mon Sep 17 00:00:00 2001
From: bcollins <bcollins@continuum.io>
Date: Tue, 3 Jan 2017 14:14:08 -0600
Subject: [PATCH] added responsive_flexbox.j2 template and render_template util
 function

---
 contrib/box_plot/main.py                 | 56 ++++++++++++++++++------
 taxplots/templates/responsive_flexbox.j2 |  7 +++
 taxplots/utils.py                        | 29 +++++++++++-
 3 files changed, 76 insertions(+), 16 deletions(-)

diff --git a/contrib/box_plot/main.py b/contrib/box_plot/main.py
index 2a29e00..e331b5f 100644
--- a/contrib/box_plot/main.py
+++ b/contrib/box_plot/main.py
@@ -1,12 +1,18 @@
-from styles import RED, PLOT_FORMATS, DARK_GRAY
+
 from bokeh.models import ColumnDataSource, Range1d
 from bokeh.models import CustomJS, RadioButtonGroup
-from bokeh.plotting import figure, output_file, show
-from bokeh.layouts import row, widgetbox, column
+from bokeh.plotting import figure
+from bokeh.layouts import column
 from bokeh.models.widgets import Div, RadioGroup
+from bokeh.embed import components
+
 import pandas as pd
 from math import pi
 
+from taxplots.utils import render_template
+
+from styles import RED, PLOT_FORMATS, DARK_GRAY
+
 # create data sources -----------------
 source_csv = pd.read_csv('data.csv', parse_dates=[0])
 source_csv = source_csv.rename(columns={'Unnamed: 0': 'year'})
@@ -39,10 +45,22 @@
 sources['capital_gains_yes'] = ColumnDataSource(dict(labels=["0.0", "0.25", "0.4", "0.55"],
                                                      source_ids=["re10", "re11", "re12", "re13"]))
 
+
 # create figure ------------------
-fig = figure(x_axis_type="datetime", tools=[], responsive=True, **PLOT_FORMATS)
+fig = figure(x_axis_type="datetime",
+             tools=[],
+             plot_width=400,
+             plot_height=400,
+             **PLOT_FORMATS)
 fig.set(y_range=Range1d(-9.5, 18.5))
-fig.vbar(x='year', top='reform', source=sources['ref'], line_width=20, bottom=0, color=RED, fill_alpha=0.4)
+fig.vbar(x='year',
+         top='reform',
+         source=sources['ref'],
+         line_width=20,
+         bottom=0,
+         color=RED,
+         fill_alpha=0.4)
+
 fig.title.align = 'center'
 fig.title.text_font_size = '10pt'
 fig.yaxis.axis_label = 'Change in individual income and payroll tax liabilities (Billions)'
@@ -56,17 +74,19 @@
          height=1,
          color=DARK_GRAY)
 
+
 # create components --------------
-title_div = Div(text='Revenue Impact of a 4% Surtax on Taxpayers with Adjusted Gross Income over $5 Million', width=550, height=30)
+title_div = Div(text='Revenue Impact of a 4% Surtax on Taxpayers with Adjusted Gross Income over $5 Million', height=30)
 
-radio_group_text = Div(text="Include Additional Capital Gains Behavior.", width=280, height=18)
+radio_group_text = Div(text="Include Additional Capital Gains Behavior.")
 radio_group = RadioGroup(labels=["Without", "With"], active=0)
 sources['radio_group'] = radio_group
 
-elasticity_text = Div(text="Elasticity of Taxable Income", width=280, height=18)
+elasticity_text = Div(text="Elasticity of Taxable Income")
 elasticity_option = RadioButtonGroup(labels=sources['capital_gains_no'].data['labels'], active=0)
 sources['elasticity_option'] = elasticity_option
 
+
 # create callbacks ---------------
 radio_group.callback = CustomJS(args=sources, code="""
   var capitalGainsType = radio_group.active === 0 ? capital_gains_no : capital_gains_yes;
@@ -86,10 +106,18 @@
   ref.trigger('change');
 """)
 
-# create layout -----------------
-grid = column(column(row(children=[widgetbox(radio_group_text), widgetbox(elasticity_text)]),
-              row(radio_group, elasticity_option)),
-              column(title_div, fig))
 
-output_file("index_landscape.html")
-show(grid)
+# create layout -----------------
+controls = column(radio_group_text,
+                  radio_group,
+                  elasticity_text,
+                  elasticity_option)
+
+plots = dict(header=title_div, left=controls, center=fig)
+script, divs = components(plots)
+
+template_args = dict()
+template_args['bokeh_script'] = script
+template_args['plots'] = divs
+template_args['page_title'] = 'Box Plot'
+render_template('responsive', template_args, 'index.html')
diff --git a/taxplots/templates/responsive_flexbox.j2 b/taxplots/templates/responsive_flexbox.j2
index 72b9c79..6835def 100644
--- a/taxplots/templates/responsive_flexbox.j2
+++ b/taxplots/templates/responsive_flexbox.j2
@@ -44,6 +44,11 @@
 
 
 <body class="plot-body">
+<script>
+function() {
+  handle my new componement logic
+}
+</script>
 
   <header>
       {{ plots.header | safe }}
@@ -53,6 +58,8 @@
 
     <main class="left-content">
       {{ plots.left | safe}}
+  <div class="mycomponent">
+    </script>
     </main>
 
     <nav class="center-content">
diff --git a/taxplots/utils.py b/taxplots/utils.py
index e0df419..d97613c 100644
--- a/taxplots/utils.py
+++ b/taxplots/utils.py
@@ -1,16 +1,41 @@
 import os
 import yaml
+
+from os import path
 from collections import OrderedDict
+from jinja2 import Environment, FileSystemLoader
+
+def render_template(template, template_args, output_file):
+
+    # register names for known templates
+    templates = dict(responsive='templates/responsive_flexbox.j2')
+    here = path.dirname(path.abspath(__file__))
+
+    if os.path.exists(template):
+        template_path = template
+    elif template in list(templates.keys()):
+        template_path = templates.get(template)
+    else:
+        template_path = path.join(here, 'templates', template)
+
+    j2_env = Environment(loader=FileSystemLoader(here), trim_blocks=True)
+    content = j2_env.get_template(template_path).render(**template_args)
+    with open(output_file, 'w') as f:
+        f.write(content)
 
 def ordered_load(stream, Loader=yaml.Loader, object_pairs_hook=OrderedDict):
+
     class OrderedLoader(Loader):
         pass
+
     def construct_mapping(loader, node):
         loader.flatten_mapping(node)
         return object_pairs_hook(loader.construct_pairs(node))
+
     OrderedLoader.add_constructor(
         yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
         construct_mapping)
+
     return yaml.load(stream, OrderedLoader)
 
 class DirectoryContext(object):
@@ -20,9 +45,9 @@ class DirectoryContext(object):
     def __init__(self, path):
         self.old_dir = os.getcwd()
         self.new_dir = path
- 
+
     def __enter__(self):
         os.chdir(self.new_dir)
- 
+
     def __exit__(self, *args):
         os.chdir(self.old_dir)