Resolve "full reaction returned by API should have info about reactants/products/modifiers"

Closes #111 (closed)

frontend-js/src/main/js/map/data/Reaction.js

 "use strict";
 
+var Alias = require('./Alias');
+
 /**
  * Class representing reaction data.
  * 
@@ -129,7 +131,17 @@ Reaction.prototype.update = function(javaObject) {
 };
 
 Reaction.prototype.isComplete = function() {
-  return this._complete;
+  var self = this;
+  var result = self._complete;
+  var reactants = self.getReactants();
+  if (reactants.length === 0) {
+    result = false;
+  } else {
+    if (!(self.getReactants()[0] instanceof Alias)) {
+      result = false;
+    }
+  }
+  return result;
 };
 
 Reaction.prototype.setIsComplete = function(complete) {
@@ -290,4 +302,4 @@ Reaction.prototype.setHierarchyVisibilityLevel = function(hierarchyVisibilityLev
   this._hierarchyVisibilityLevel = hierarchyVisibilityLevel;
 };
 
-module.exports = Reaction;
+module.exports = Reaction;
\ No newline at end of file