[HELP] Adding help message if myGraph is empty.

templates/pages/corpora/myGraphs.html

@@ -19,6 +19,7 @@
 <div class="container theme-showcase" role="main">
     <h2>My Graphs  </h2>
         <ol>
+        {% if coocs %}
             {% for cooc in coocs %}
                 <div id="graph_{{cooc.id}}">
                     <div class="row">
@@ -146,6 +147,42 @@
                 </div>
 
               {% endfor %}
+            {% else %}
+            <h3>
+            <span class="glyphicon glyphicon-flag" aria-hidden="true"></span>
+            You have not computed any graph already</h3>
+            <h4>
+            <span class="glyphicon glyphicon-question-sign" aria-hidden="true"></span>
+            What is Graph ?
+            </h4>
+            <ul>
+                <li>Graph is a tool to explore and represent your corpus (which is a set of documents)</li>
+                <li>Nodes are multi-terms selected in your Map List</li>
+                <li>Edges between nodes represent its proximities in texts according to a specific distance.</li>
+                    <ul>
+                    <li>Conditional distance between the terms X and Y is the probability to have both terms X <b> and </b> Y in the same context of text.</li>
+                        <li>Distributional distance between the terms X and Y is the probability to have same others terms in the same context as X <b>or</b> Y.</li>
+                    </ul>
+            </ul>
+
+
+            <h4>
+            <span class="glyphicon glyphicon-hand-right" aria-hidden="true"></span>
+            How to compute a new graph ?
+            </h4>
+            <ol>
+                <li>Look at the menu</li>
+                <li>Click on Graphs</li>
+                <li>Choose a distance</li>
+                <li>Click on the distance or on MyGraph which is this page</li>
+            </ol>
+           
+            <h4>
+            <span class="glyphicon glyphicon-ok-circle" aria-hidden="true"></span>
+            Do you want to test ?</h4>
+            </li>
+            <a href="/projects/{{project.id}}/corpora/{{ corpus.id }}/explorer?field1=ngrams&amp;field2=ngrams&amp;distance=conditional&amp;bridgeness=5">Compute a new graph with conditional distance!</a>
+            {% endif %}
       </ul>
 
 {% endblock %}