--- a/.hgignore	Thu May 19 12:58:05 2016 +0200
+++ b/.hgignore	Wed Jun 22 00:53:58 2016 +0200
@@ -11,3 +11,4 @@
 
 syntax: regexp
 ^authserver/homestead/\.vagrant$
+\.tern-port$

--- a/server/src/metaeducation/static/metaeducation/js/mtdc-save.js	Thu May 19 12:58:05 2016 +0200
+++ b/server/src/metaeducation/static/metaeducation/js/mtdc-save.js	Wed Jun 22 00:53:58 2016 +0200
@@ -1,97 +1,112 @@
+/* globals Rkns */
 /* Saves the Full JSON at each modification */
 
 Rkns.mtdcJsonIO = function(_renkan, _opts) {
-      var _proj = _renkan.project;
-      if (typeof _opts.http_method === "undefined") {
-          _opts.http_method = 'PUT';
-      }
-      var _load = function() {
-          _proj.set({
-              loadingStatus : true
-          });
-          Rkns.$.getJSON(_opts.url, function(_data) {
-              _renkan.dataloader.load(_data);
-              _proj.set({
-                  loadingStatus : false,
-              });
-              _proj.set({
-                  saveStatus : 0
-              });
-              _proj.on("add:nodes add:edges add:users add:views", function(_model) {
-                  _model.on("change remove", function(_model) {
-                      _thrSave();
-                  });
-                  _thrSave();
-              });
-              _proj.on("change", function() {
-                  if (!(_proj.changedAttributes.length === 1 && _proj
-                          .hasChanged('saveStatus'))) {
-                      _thrSave();
-                  }
-              });
-          }).fail(function(jqXHR, textStatus) {
-              _showErrorModal(jqXHR);
-          });
-      };
-      var _save = function() {
-          _proj.set({
-              saveStatus : 2
-          });
-          var _data = _proj.toJSON();
-          if (!_renkan.read_only) {
-              Rkns.$.ajax({
-                  type : _opts.http_method,
-                  url : _opts.url,
-                  contentType : "application/json",
-                  data : JSON.stringify(_data),
-                  success : function(data, textStatus, jqXHR) {
-                      _proj.set({
-                          saveStatus : 0,
-                          updated : data.updated
-                      });
-                  },
-                  error: function (jqXHR, textStatus, errorThrown) {
-                      _showErrorModal(jqXHR);
-                  }
-              });
-          }
+    var _proj = _renkan.project;
+    if (typeof _opts.http_method === 'undefined') {
+        _opts.http_method = 'PUT';
+    }
+    var _load = function() {
+        _proj.set({
+            loadingStatus : true
+        });
+        Rkns.$.getJSON(_opts.url, function(_data) {
+            _renkan.dataloader.load(_data);
+            _proj.set({
+                loadingStatus : false
+            });
+            _proj.set({
+                saveStatus : 0
+            });
+            _proj.on('add:nodes add:edges add:users add:views', function(_model) {
+                _model.on('change remove', function() {
+                    _thrSave();
+                });
+                _thrSave();
+            });
+            _proj.on('change', function() {
+                if (!(_proj.changedAttributes.length === 1 && _proj
+                      .hasChanged('saveStatus'))) {
+                    _thrSave();
+                }
+            });
+            _proj.get('nodes').each(function(_node) {
+                _node.on('change remove', function() {
+                    _thrSave();
+                });
+            });
+            _proj.get('edges').each(function(_edge) {
+                _edge.on('change remove', function() {
+                    _thrSave();
+                });
+            });
+            _proj.get('users').each(function(_user) {
+                _user.on('change remove', function() {
+                    _thrSave();
+                });
+            });
 
-      };
-      var _thrSave = Rkns._.throttle(function() {
-          setTimeout(_save, 100);
-      }, 1000);
-      
+        }).fail(function(jqXHR, textStatus) {
+            _showErrorModal(jqXHR, textStatus);
+        });
+    };
+    var _save = function() {
+        _proj.set({
+            saveStatus : 2
+        });
+        var _data = _proj.toJSON();
+        if (!_renkan.read_only) {
+            Rkns.$.ajax({
+                type : _opts.http_method,
+                url : _opts.url,
+                contentType : 'application/json',
+                data : JSON.stringify(_data),
+                success : function(data) {
+                    _proj.set({
+                        saveStatus : 0,
+                        updated : data.updated
+                    });
+                },
+                error: function (jqXHR, textStatus, errorThrown) {
+                    _showErrorModal(jqXHR, textStatus, errorThrown);
+                }
+            });
+        }
+
+    };
+    var _thrSave = Rkns._.debounce(_save, 1000);
+
 
-      Rkns.$("#renkanErrorReload").on("click", function(){
-         location.reload();
-      });
-      
-      var errorModal = document.getElementById('renkanErrorModal');
-      var _showErrorModal = function(jqXHR) {
-          errorModal.style.display = "block";
-          switch(jqXHR.status){
-              case 400:
-                  var jsonResp = JSONparse(jqXHR.responseText)
-                  if(jsonResp.hasOwnAttribute('validation_timestamp')){
-                      document.getElementById('400Error_timestamp').style.display = "block";
-                  }
-                  else {
-                      Rkns.$("#400Error_other").append(jqXHR.responseText)
-                      document.getElementById('400Error_other').style.display = "block";
-                  }
-                  break;
-              case 403:
-                  document.getElementById('403Error').style.display = "block";
-                  break;
-              case 404:
-                  document.getElementById('404Error').style.display = "block";
-                  break;
-              case 500:
-                  Rkns.$("#500Error").append(jqXHR.responseText)
-                  document.getElementById('500Error').style.display = "block";
-                  break;
-          }
-      }
-      
-      _load();
-  };
\ No newline at end of file
+    Rkns.$('#renkanErrorReload').on('click', function(){
+        location.reload();
+    });
+
+    var errorModal = document.getElementById('renkanErrorModal');
+    var _showErrorModal = function(jqXHR) {
+        errorModal.style.display = 'block';
+        switch(jqXHR.status){
+        case 400:
+            var jsonResp = JSON.parse(jqXHR.responseText);
+            if(jsonResp.hasOwnProperty('validation_timestamp')){
+                document.getElementById('400Error_timestamp').style.display = 'block';
+            }
+            else {
+                Rkns.$('#400Error_other').append(jqXHR.responseText);
+                document.getElementById('400Error_other').style.display = 'block';
+            }
+            break;
+        case 403:
+            document.getElementById('403Error').style.display = 'block';
+            break;
+        case 404:
+            document.getElementById('404Error').style.display = 'block';
+            break;
+        case 500:
+            Rkns.$('#500Error').append(jqXHR.responseText);
+            document.getElementById('500Error').style.display = 'block';
+            break;
+        }
+    };
+
+    _load();
+};