Supplier adding and arranging tables

app/models/list.rb

@@ -22,7 +22,7 @@ class List
 
   attr_protected :supplier_id
 
-  validates :table_id, presence: true
+  #validates :table_id, presence: true, table can be deleted
   validates :supplier_id, presence: true
 
   view :by_supplier_id_and_id, key: [:supplier_id, :_id]

app/models/section.rb

@@ -46,28 +46,32 @@ class Section
 
   def width=(val)
     val = val.to_f
+    return val if width == val
     self.path[0] ||= [0.0, 0.0]
     self.path[1] ||= [0.0, 0.0]
     self.path[2] ||= [0.0, 0.0]
     self.path[3] ||= [0.0, 0.0]
-    unless path[1][0] == val && path[2][0] == val
-      self.path[1][0] = val
-      self.path[2][0] = val
-      path_will_change!
-    end
+    path[0][0] = 0
+    path[1][0] = val
+    path[2][0] = val
+    path[3][0] = 0
+    path_will_change!
+    val
   end
 
   def height=(val)
     val = val.to_f
+    return val if height == val
     self.path[0] ||= [0.0, 0.0]
     self.path[1] ||= [0.0, 0.0]
     self.path[2] ||= [0.0, 0.0]
     self.path[3] ||= [0.0, 0.0]
-    unless path[2][1] == val && path[3][1] == val
-      self.path[2][1] = val
-      self.path[3][1] = val
-      path_will_change!
-    end
+    path[0][1] = 0
+    path[1][1] = 0
+    path[2][1] = val
+    path[3][1] = val
+    path_will_change!
+    val
   end
 
   def tables_with_active_list_id