stops user from creating map with empty name, or topic with empty name. sets max length on topic name. allows enter key to create map

app/assets/javascripts/src/Metamaps.GlobalUI.js

@@ -221,7 +221,7 @@ Metamaps.GlobalUI.CreateMap = {
         $(this).parents('.new_map').find('.permText').html(permText);
     },
     submit: function (event) {
-        event.preventDefault();
+        if (event) event.preventDefault();
         
         var self = Metamaps.GlobalUI.CreateMap;
 
@@ -231,23 +231,15 @@ Metamaps.GlobalUI.CreateMap = {
         }
 
         var formId = Metamaps.GlobalUI.lightbox === 'forkmap' ? '#fork_map' : '#new_map';
-        var form = $(formId)
+        var $form = $(formId);
 
-        self.newMap.set('name', form.find('#map_name').val());
-        self.newMap.set('desc', form.find('#map_desc').val());
+        self.newMap.set('name', $form.find('#map_name').val());
+        self.newMap.set('desc', $form.find('#map_desc').val());
 
-        // TODO validate map attributes
         if (self.newMap.get('name').length===0){
-            console.log('Empty map name.');
-            Metamaps.GlobalUI.notifyUser('map name is mandatory.');
-            return;
-
-        } else if (self.newMap.get('name').length>140){
-            console.log('map name cannot exceed 140 characteres.');
-            Metamaps.GlobalUI.notifyUser('map name cannot exceed 140 characteres.');
+            self.throwMapNameError();
             return;
         }
-        //console.log('self.newMap.get("name").length='+self.newMap.get("name").length.toString());
 
         self.newMap.save(null, {
             success: self.success
@@ -257,6 +249,21 @@ Metamaps.GlobalUI.CreateMap = {
         Metamaps.GlobalUI.closeLightbox();
         Metamaps.GlobalUI.notifyUser('Working...');
     },
+    throwMapNameError: function () {
+        var self = Metamaps.GlobalUI.CreateMap;
+
+        var formId = Metamaps.GlobalUI.lightbox === 'forkmap' ? '#fork_map' : '#new_map';
+        var $form = $(formId);
+
+        var message = $("<div class='feedback_message'>Please enter a map name...</div>");
+
+        $form.find('#map_name').after(message);
+        setTimeout(function(){
+            message.fadeOut('fast', function(){
+                message.remove();
+            });
+        }, 5000);
+    },
     success: function (model) {
         var self = Metamaps.GlobalUI.CreateMap;
 

app/assets/javascripts/src/Metamaps.JIT.js

@@ -682,10 +682,16 @@ Metamaps.JIT = {
         $(document).trigger(Metamaps.JIT.events.mouseMove, [pos]);
     }, // onMouseMoveHandler
     enterKeyHandler: function () {
+        var creatingMap = Metamaps.GlobalUI.lightbox;
+        if (creatingMap === "newmap" || creatingMap === "forkmap") {
+            Metamaps.GlobalUI.CreateMap.submit();
+        }
         // this is to submit new topic creation
-        if (Metamaps.Create.newTopic.beingCreated) {
+        else if (Metamaps.Create.newTopic.beingCreated) {
             Metamaps.Topic.createTopicLocally();
-        } else if (Metamaps.Create.newSynapse.beingCreated) {
+        }
+        // to submit new synapse creation 
+        else if (Metamaps.Create.newSynapse.beingCreated) {
             Metamaps.Synapse.createSynapseLocally();
         }
     }, //enterKeyHandler

app/assets/stylesheets/application.css

@@ -2192,6 +2192,16 @@ and it won't be important on password protected instances */
     margin: 15px 0 5px;
     position: relative;
 }
+
+.new_map .feedback_message {
+    float: right;
+    width: 388px;
+    background: #c04f4f;
+    margin: 5px 1px;
+    padding: 2px 5px;
+    border-radius: 2px;
+    color: #FFF;
+}
 .new_map label {
     float: left;
     width: 100px;

app/views/layouts/_newmap.html.erb

@@ -8,7 +8,7 @@
   
   <div class="inputGroup">
     <label for="map_name">Name: </label>
-    <%= form.text_field :name %>
+    <%= form.text_field :name, :maxlength => 140 %>
     <div class="clearfloat"></div>
   </div>
   

app/views/shared/_forkmap.html.erb

@@ -9,7 +9,7 @@
   
   <div class="inputGroup">
     <label for="map_name">Name: </label>
-    <%= form.text_field :name %>
+    <%= form.text_field :name, :maxlength => 140 %>
     <div class="clearfloat"></div>
   </div>