# HG changeset patch
# User drewp@bigasterisk.com
# Date 1381691006 25200
# Node ID 2200d6530a5dee84793d43b575f32f2b8263e635
# Parent  88e7dd76755058b1c6ae310aef1b6b4c8bb2bf87
testing rdfs:comment display on enironment's graph viewer
Ignore-this: d25c57b80a1dc4180b348d64f1546cd6

diff -r 88e7dd767550 -r 2200d6530a5d service/environment/environment.py
--- a/service/environment/environment.py	Sun Oct 13 00:25:03 2013 -0700
+++ b/service/environment/environment.py	Sun Oct 13 12:03:26 2013 -0700
@@ -41,6 +41,8 @@
         
         self.set_header('Content-type', 'application/x-trig')
         self.write(g.asTrig())
+
+from rdfdoc import Doc
         
 class Application(cyclone.web.Application):
     def __init__(self):
@@ -48,6 +50,7 @@
             (r"/()", cyclone.web.StaticFileHandler,
              {"path": ".", "default_filename": "index.html"}),
             (r'/graph', GraphHandler),
+            (r'/doc', Doc), # to be shared
         ]
         cyclone.web.Application.__init__(self, handlers)
 
diff -r 88e7dd767550 -r 2200d6530a5d service/environment/index.html
--- a/service/environment/index.html	Sun Oct 13 00:25:03 2013 -0700
+++ b/service/environment/index.html	Sun Oct 13 12:03:26 2013 -0700
@@ -15,12 +15,13 @@
       .literalType { vertical-align: super; font-size: 80%; }
       .literal { display: inline-block; border: 1px solid gray; background: white; }
       .resource { display: inline-block; background: lightblue; border-radius: 6px; padding: 1px 6px; margin: 2px; }
-      
+      .comment { color: green; }
     </style>
     
     <script type="text/html" id="node">
       <!-- ko if: typeof($data) == 'string' -->
-      <span class="node resource" data-bind="html: $root.createCurie($data)"></span> <span data-bind="html: $root.docLink($data)"></span>
+      <span class="node resource" data-bind="html: $root.createCurie($data)"></span>
+      <span class="comment" data-bind="html: $root.docLink($data)"></span>
       <!-- /ko -->
       <!-- ko if: typeof($data) != 'string' -->
          <!-- ko if: type == 'literal' -->
@@ -28,7 +29,8 @@
            <span class="literalType" data-bind="html: $root.createCurie($data['datatype'] || '')"></span>
          <!-- /ko -->
          <!-- ko if: type == 'uri' -->
-           <span class="resource" data-bind="html: $root.createCurie(value)"></span> <span data-bind="html: $root.docLink($data)"></span>
+           <span class="resource" data-bind="html: $root.createCurie(value)"></span>
+           <span class="comment" data-bind="html: $root.docLink($data)"></span>
          <!-- /ko -->
          <!-- ko if: type == 'bnode' -->
            <span class="resource bnode" data-bind="text: value"></span>
@@ -93,10 +95,18 @@
             var short = tryCurie(uri);
             return '<a href="' + _.escape(uri)  + '">' + _.escape(short) + '</a>';
           };
+          var docs = {}; // uri : observable(doc)
           model.docLink = function(uri) {
-            var result = ko.observable("...");
-            setTimeout(function() { result('hey'); }, 1000);
-            return result;
+            if (uri.type == 'uri') {
+              uri = uri.value;
+            }
+            if (_.isUndefined(docs[uri])) {
+              docs[uri] = ko.observable("...");
+              $.getJSON("doc", {uri: uri}, function(data) {
+                docs[uri](data.comment); // might be undefined
+              });
+            }
+            return docs[uri];
           };
 
           model.refresh = function() {
diff -r 88e7dd767550 -r 2200d6530a5d service/environment/rdfdoc.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/service/environment/rdfdoc.py	Sun Oct 13 12:03:26 2013 -0700
@@ -0,0 +1,20 @@
+# to be shared somewhere
+import json, cyclone.web
+from cycloneerr import PrettyErrorHandler
+from rdflib import Graph, RDFS, URIRef
+
+graph = Graph()
+graph.parse("docs.n3", format="n3")
+
+# maybe the web page could just query sesame over http and we drop this server
+class Doc(PrettyErrorHandler, cyclone.web.RequestHandler):
+    def get(self):
+        uri = URIRef(self.get_argument('uri'))
+
+        ret = {}
+        comment = graph.value(uri, RDFS.comment)
+        if comment is not None:
+            ret['comment'] = comment
+        
+        self.set_header("Content-type", "application/json")
+        self.write(json.dumps(ret))