[FEATURE] Added a route to fetch nodes

[TEST] Built a JavaScript interface to navigate through nodes as a hierarchy

gargantext_web/api.py

@@ -66,6 +66,29 @@ _ngrams_order_columns = {
 }
 
 
+class NodesController:
+
+    @classmethod
+    def get(cls, request):
+        query = Node.objects
+        if 'type' in request.GET:
+            query = query.filter(type__name=request.GET['type'])
+        if 'parent' in request.GET:
+            query = query.filter(parent_id=int(request.GET['parent']))
+
+        collection = []
+        for child in query.all():
+            type_name = child.type.name
+            collection.append({
+                'id': child.id,
+                'text': child.name,
+                'type': type_name,
+                'children': type_name is not 'Document',
+            })
+        return JsonHttpResponse(collection)
+
+
+
 class CorpusController:
 
     @classmethod

gargantext_web/urls.py

@@ -37,6 +37,7 @@ urlpatterns = patterns('',
     url(r'^chart/corpus/(\d+)/data.csv$', views.send_csv),
     url(r'^graph.json$', views.send_graph),
 
+    url(r'^api/nodes$', gargantext_web.api.NodesController.get),
     url(r'^api/corpus/(\d+)/ngrams$', gargantext_web.api.CorpusController.ngrams),
     url(r'^api/corpus/(\d+)/metadata$', gargantext_web.api.CorpusController.metadata),
     url(r'^api/corpus/(\d+)/data$', gargantext_web.api.CorpusController.data),

static/js/graph-it.js

@@ -3,11 +3,46 @@
 
     $.fn.graphIt = function(_width, _height) {
 
+        // Settings: ways to group data
+        var groupings = this.groupings = {
+            datetime: {
+                century: {
+                    truncate: function(x) {return x.substr(0, 2)},
+                    next: function(x) {x = new Date(x); x.setFullYear(x.getFullYear()+100); return x;},                
+                },
+                decade: {
+                    truncate: function(x) {return x.substr(0, 3)},
+                    next: function(x) {x = new Date(x); x.setFullYear(x.getFullYear()+10); return x;},                
+                },
+                year: {
+                    truncate: function(x) {return x.substr(0, 4)},
+                    next: function(x) {x = new Date(x); x.setFullYear(x.getFullYear()+1); return x;},                
+                },
+                month: {
+                    truncate: function(x) {return x.substr(0, 7)},
+                    next: function(x) {x = new Date(x); x.setMonth(x.getMonth()+1); return x;},                
+                },
+                day: {
+                    truncate: function(x) {return x.substr(0, 10)},
+                    next: function(x) {x = new Date(x); x.setDate(x.getDate()+1); return x;},                
+                },
+            },
+            numeric: {
+                unit: {
+                    truncate: function(x) {return Math.round(x)},
+                    next: function(x) {return x+1;},
+                },
+            },
+        };
+        
+        // Main container
         var container = $('<div>').addClass('graphit-container').appendTo( this.first() );
-        var container2 = $('<div>').addClass('graphit-container-2').appendTo( this.first() );
+
+
         var data;
+
         var method;
-        var _chartObject;
+        var chartObject;
 
         var width, height;
 
@@ -61,31 +96,7 @@
             });
         }
         
-        // different types of grouping
-        var groupings = {
-            datetime: {
-                century: {
-                    truncate: function(x) {return x.substr(0, 2)},
-                    next: function(x) {x = new Date(x); x.setFullYear(x.getFullYear()+100); return x;},                
-                },
-                decade: {
-                    truncate: function(x) {return x.substr(0, 3)},
-                    next: function(x) {x = new Date(x); x.setFullYear(x.getFullYear()+10); return x;},                
-                },
-                year: {
-                    truncate: function(x) {return x.substr(0, 4)},
-                    next: function(x) {x = new Date(x); x.setFullYear(x.getFullYear()+1); return x;},                
-                },
-                month: {
-                    truncate: function(x) {return x.substr(0, 7)},
-                    next: function(x) {x = new Date(x); x.setMonth(x.getMonth()+1); return x;},                
-                },
-                day: {
-                    truncate: function(x) {return x.substr(0, 10)},
-                    next: function(x) {x = new Date(x); x.setDate(x.getDate()+1); return x;},                
-                },
-            },
-        };
+        
 
         var grouping = groupings.datetime.year;
 
@@ -163,11 +174,23 @@
         // do the graph!
         var labels = [dimensions[0].key];
         for (var k=0; k<keywordsList.length; k++) {
-            labels.push(dimensions[1].key + ' (' + keywordsList[k] + ')');
+            labels.push(keywordsList[k]);
         }
         // var _chartObject = new Dygraph(container[0], linearData);
-        var _chartObject = new Dygraph(container[0], linearData, {
+        chartObject = new Dygraph(container[0], linearData, {
+            // legends
+            legend: 'always',
+            xlabel: dimensions[0].key,
+            ylabel: dimensions[1].key,
             labels: labels,
+            axisLabelColor: 'black',
+
+            // appearance
+            fillGraph: true,
+
+            // smoothing
+            showRoller: false,
+            rollPeriod: 5,
         });
 
         // console.log(associativeData);
@@ -180,6 +203,39 @@
 
 })(jQuery);
 
+var projectId = 13409;
+$('.tree').jstree({
+    'core' : {
+        'data' : {
+            'url' : function(node) {
+                var url = '/api/nodes?' + ((node.id === '#')
+                    ? 'type=Project'
+                    : ('parent=' + node.id)
+                );
+                console.log(url);
+                return url;
+            },
+        },
+    },
+    "plugins" : ["types"],
+    "types" : {
+        "#" : {
+          "max_children" : 1, 
+          "max_depth" : 4, 
+          "valid_children" : ["root"]
+        },
+        "Project" : {
+          "icon" : "http://www.jstree.com/static/3.0.8/assets/images/tree_icon.png",
+          "valid_children" : ["default"]
+        },
+        "Corpus" : {
+          "valid_children" : ["default","file"]
+        },
+        "Document" : {
+          "icon" : "glyphicon glyphicon-file",
+          "valid_children" : []
+        }
+  },
+});
 
-
-var graph = $('.graph-it').graphIt(640, 480);
\ No newline at end of file
+// var graph = $('.graph-it').graphIt(640, 480);
\ No newline at end of file

templates/graph-it.html

@@ -17,10 +17,14 @@
                 <p>A web platform to explore text-mining</p>
             </div>
     </div>
+    <div class="container tree"></div>
     <div class="container graph-it"></div>
 
     <script type="text/javascript" src="{% static "js/jquery/jquery.min.js" %}"></script>
 
+    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/jstree/3.0.4/themes/default/style.min.css" />
+    <script src="//cdnjs.cloudflare.com/ajax/libs/jstree/3.0.4/jstree.min.js"></script>
+    
     <script type="text/javascript" src="http://dygraphs.com/dygraph-combined.js"></script>
     
     <script type="text/javascript" src="{% static "js/graph-it.js" %}"></script>