adding dropdown menu to add to collections

app/assets/stylesheets/application.scss

@@ -89,6 +89,10 @@ li#navbar {
 	background: #EBF4FA;
 	padding: 10px;
 }
+#thetextarea {
+	height: 100%;
+	width: 100%;
+}
 
 	ol.questions { list-style-type: none; }
     li.question { page-break-inside: avoid; }

app/controllers/problems_controller.rb

@@ -25,9 +25,7 @@ def index
   def add_to_collection
     collection = Collection.find(params[:collection_id])
     if not collection
-      flash[:notice] = 'Collection does not exist'
-      flash.keep
-      redirect_to problems_path
+      render :json => {:status => false}
       return
     end
     problem_to_add = Problem.find(params[:id])

app/views/collections/export.html.haml

@@ -4,5 +4,5 @@
 
 %h1 Copy the html code into clipboard.(preferably a button to allow users to automatically copy to clipboard)
 
-%textarea{:wrap => 'hard', :cols => '200', :rows => '100', 'readonly' => 'true'}
+%textarea{:wrap => 'hard', 'readonly' => 'true', :id => "thetextarea"}
   = @html_code

app/views/shared/_problems_table.html.haml

@@ -4,10 +4,8 @@
       %thead
         %tr
         %th Question Text
-        %th Date Created
         %th Collections
         %th Tags
-        %th Created By
         %th
           -if problems_index
             Add to:
@@ -16,16 +14,12 @@
       %tbody
         - problems.each do |problem|
           %tr
-            %td= problem.html5.html_safe
-            %td= problem.created_date
-            - collstring = ""
-            -problem.collections.each do |coll| 
-              -collstring << coll.name + " "
-            %td= collstring
-            - collstring = ""
-            -problem.tags.each {|tag| collstring << tag.name + " " }
-            %td= collstring
-            %td= problem.instructor.name
+            %td
+              = problem.html5.html_safe 
+              = "Created Date: " + problem.created_date.to_s + " | "
+              = "Created By: " + problem.instructor.name
+            %td= problem.collections.map {|collection| collection.name + ', '}.join
+            %td= problem.tags.map {|tags| tags.name + ', '}.join
             %td
               -if problems_index
                 / =link_to "add to #{Collection.find(@current_user.current_collection).name} (current)", add_problem_path(:id => problem.id, :collection_id => @current_user.current_collection), {:id => "problem_#{problem.id}"}

db/schema.rb

@@ -14,19 +14,14 @@
 ActiveRecord::Schema.define(:version => 20150416230134) do
 
   create_table "collections", :force => true do |t|
+    t.integer  "instructor_id"
     t.string   "name"
     t.datetime "last_used"
     t.datetime "created_at",    :null => false
     t.datetime "updated_at",    :null => false
-    t.integer  "instructor_id"
     t.text     "description"
   end
 
-  create_table "collections_instructors", :id => false, :force => true do |t|
-    t.integer "collection_id"
-    t.integer "instructor_id"
-  end
-
   create_table "collections_problems", :id => false, :force => true do |t|
     t.integer "collection_id"
     t.integer "problem_id"
@@ -44,7 +39,7 @@
 
   create_table "problems", :force => true do |t|
     t.integer  "instructor_id"
-    t.string   "text"
+    t.text     "text"
     t.datetime "created_date"
     t.string   "created_by"
     t.boolean  "is_public"