diff -r 182f46ea5a56 -r 70dff07a76ff cms/app-client/app/components/visu-langues.js
--- a/cms/app-client/app/components/visu-langues.js	Thu Dec 10 17:04:51 2015 +0100
+++ b/cms/app-client/app/components/visu-langues.js	Fri Dec 11 13:13:47 2015 +0100
@@ -2,6 +2,8 @@
 
 export default Ember.Component.extend({
   didInsertElement: function(){
+    var _this = this;
+
     var data = google.visualization.arrayToDataTable([
       ['Location', 'Parent', 'Market trade volume (size)', 'Market increase/decrease (color)'],
       ['Global',    null,     0,    0],
@@ -50,10 +52,6 @@
       ['Bwatoo (bwa)',	'Nouvelle-Calédonie',	4,	4]
     ]);
 
-
-
-
-
     var tree = new google.visualization.TreeMap(document.getElementById('chart_div'));
 
     tree.draw(data, {
@@ -64,5 +62,13 @@
       fontColor: 'black',
       showScale: true
     });
+
+    function selectHandler (){
+      console.log(data.getValue(tree.getSelection()[0].row, 0));
+      _this.sendAction('action', data.getValue(tree.getSelection()[0].row, 0));
+    }
+
+    google.visualization.events.addListener(tree, 'select', selectHandler);
+
   }
 });