Js validation for title presence in issue, mr, milestone

app/assets/javascripts/issues.js

@@ -5,6 +5,7 @@ function switchToNewIssue(form){
     $('select#issue_milestone_id').chosen();
     $("#new_issue_dialog").show("fade", { direction: "right" }, 150);
     $('.top-tabs .add_new').hide();
+    disableButtonIfEmtpyField("#issue_title", ".save-btn");
   });
 }
@@ -15,6 +16,7 @@ function switchToEditIssue(form){
     $('select#issue_milestone_id').chosen();
     $("#edit_issue_dialog").show("fade", { direction: "right" }, 150);
     $('.add_new').hide();
+    disableButtonIfEmtpyField("#issue_title", ".save-btn");
   });
 }

app/views/merge_requests/_form.html.haml

@@ -60,6 +60,7 @@
 :javascript
   $(function(){
+    disableButtonIfEmtpyField("#merge_request_title", ".save-btn");
     $('select#merge_request_assignee_id').chosen();
     $('select#merge_request_source_branch').chosen();
     $('select#merge_request_target_branch').chosen();

app/views/milestones/_form.html.haml

@@ -41,6 +41,7 @@
 :javascript
   $(function() {
+    disableButtonIfEmtpyField("#milestone_title", ".save-btn");
     $( ".datepicker" ).datepicker({
       dateFormat: "yy-mm-dd",
       onSelect: function(dateText, inst) { $("#milestone_due_date").val(dateText) }