modified error msgs and cancle button, but those two have bug...

app/controllers/desktop/co_authors_controller.rb

@@ -39,7 +39,8 @@ class Desktop::CoAuthorsController < ApplicationController
     if @co_author.save
       render json: {success:true, msg: "Co-author successfully saved!"}.to_json
     else
-      render json: {success: false, msg: @co_author.errors.full_messages}.to_json
+      error_msg = @co_author.errors.full_messages.join("<br />")
+      render json: {success: false, msg: error_msg}.to_json
     end
   end
 
@@ -49,7 +50,8 @@ class Desktop::CoAuthorsController < ApplicationController
     if @co_author.update_attributes(params[:co_author])
       render json: {success:true, msg: "Co-author successfully update!"}.to_json
     else
-      render json: {success: false, msg: @co_author.errors.full_messages}.to_json
+      error_msg = @co_author.errors.full_messages.join("<br />")
+      render json: {success: false, msg: error_msg}.to_json
     end
   end
 

app/controllers/desktop/journal_pages_controller.rb

@@ -23,7 +23,6 @@ class Desktop::JournalPagesController < ApplicationController
     @journal_candidate =
       WritingJournal.where(create_user_id: current_user.id).map{|j|j.journal_title}.uniq
 
-
     respond_to do |format|
       format.html { render :layout => false}
     end
@@ -47,7 +46,8 @@ class Desktop::JournalPagesController < ApplicationController
     if @writing_journal.save
       render json: {success: true, msg: "Paper successfully saved!"}.to_json
     else
-      render json: {success: false, msg: @writing_journal.errors.full_messages}.to_json
+      error_msg = @writing_journal.errors.full_messages.join("<br />")
+      render json: {success: false, msg: error_msg}.to_json
     end
   end
 
@@ -58,7 +58,8 @@ class Desktop::JournalPagesController < ApplicationController
       if @writing_journal.update_attributes(params[:writing_journal])
         render json: {success: true, msg: "Paper successfully saved!"}.to_json
       else
-        render json: {success: false, msg: @writing_journal.errors.full_messages}.to_json
+        error_msg = @writing_journal.errors.full_messages.join("<br />")
+        render json: {success: false, msg: error_msg}.to_json
       end
     end
   end
@@ -66,19 +67,6 @@ class Desktop::JournalPagesController < ApplicationController
   def check_file_type file
     if not file.nil?
       file_type = MIME::Types.type_for(file).first.to_s.split("/")[1]
-
-      # case file_type
-      # when "jpg", "jpeg"
-      #   type = "jpg"
-      # when "text", "txt"
-      #   type = "txt"
-      # when "pdf"
-      #   type = "pdf"
-      # when "png"
-      #   type = "png"
-      # else "readme"
-      # end
-
       file_type = "/assets/ft-icons/#{file_type}/#{file_type}-48_32.png"
     else
       file_type = ""