minor revisions, better example code.

controllers/plugin_google_chart.py

@@ -32,3 +32,6 @@ def plugin_return_data():
             ["2007",1500,800],["2008",1600,850],["2009",1800,900]]
     return dict(data=data)
 
+
+def plugin_usage_example():
+    return dict()

views/default/index.html

@@ -1,21 +1,23 @@
-
 {{extend 'layout.html'}}
 <!-- need to source this in any view which has a LOAD chart -->
 <script src="https://www.google.com/jsapi" type="text/javascript"></script>
 
-<!-- In this example, the same data is used for both charts so the data_url is set only once -->
+<!-- Here, data and options same for both charts -->
 <!-- user_signature works if using logged-in users ... not well tested -->
-{{ data_url = URL('plugin_google_chart','plugin_return_data.json',user_signature=True)}}
-<div class="span6">
-{{
+{{ data_url = URL('plugin_google_chart','plugin_return_data.json',user_signature=True)
+  #options are documented at https://developers.google.com/chart/
   options ={'title':'Sales vs Expenses','width':0,'height':0}
-}}
+          }}
+
+<div class="span6">
 {{=LOAD('plugin_google_chart','plugin_google_chart.load',ajax=True,
         user_signature=True,vars={'type':'bar','data_url':data_url,
-        'options_dict':options})}}
+        'options_dict':options})
+}}
 </div>
 
 <div class="span6">
 {{=LOAD('plugin_google_chart','plugin_google_chart.load',user_signature=True,ajax=True,
-    vars={'type':'column','data_url':data_url,'options_dict':options})}}
+    vars={'type':'column','data_url':data_url,'options_dict':options})
+}}
 </div>

views/plugin_google_chart/plugin_usage_example.html

@@ -0,0 +1,24 @@
+
+{{extend 'layout.html'}}
+<!-- need to source this in any view which has a LOAD chart -->
+<script src="https://www.google.com/jsapi" type="text/javascript"></script>
+
+<!-- Here, data and options same for both charts -->
+<!-- user_signature works if using logged-in users ... not well tested -->
+{{ data_url = URL('plugin_google_chart','plugin_return_data.json',user_signature=True)
+  #options are documented at https://developers.google.com/chart/
+  options ={'title':'Sales vs Expenses','width':0,'height':0}
+          }}
+
+<div class="span6">
+{{=LOAD('plugin_google_chart','plugin_google_chart.load',ajax=True,
+        user_signature=True,vars={'type':'bar','data_url':data_url,
+        'options_dict':options})
+}}
+</div>
+
+<div class="span6">
+{{=LOAD('plugin_google_chart','plugin_google_chart.load',user_signature=True,ajax=True,
+    vars={'type':'column','data_url':data_url,'options_dict':options})
+}}
+</div>