Fix for #653, editing_style: :none not working properly with VoiceOver

lib/ProMotion/table/table.rb

@@ -20,6 +20,7 @@ def screen_setup
       set_up_refreshable
       set_up_longpressable
       set_up_row_height
+      set_up_accessibility
     end
 
     def check_table_data
@@ -89,6 +90,19 @@ def set_up_row_height
       end
     end
 
+    def editable?
+	    self.promotion_table_data.sections.each do |section|
+		    section[:cells].each do |cell|
+			    return true if [:insert,:delete].include?(cell[:editing_style])
+		    end
+	    end
+	    false
+    end
+
+    def set_up_accessibility
+				    self.extend(Editable) if editable?
+end
+
     def searching?
       self.promotion_table_data.filtered
     end
@@ -235,11 +249,13 @@ def tableView(_, editingStyleForRowAtIndexPath: index_path)
       map_cell_editing_style(data_cell[:editing_style])
     end
 
+    module Editable
     def tableView(_, commitEditingStyle: editing_style, forRowAtIndexPath: index_path)
       if editing_style == UITableViewCellEditingStyleDelete
         delete_row(index_path)
       end
     end
+    end
 
     def tableView(_, canMoveRowAtIndexPath:index_path)
       data_cell = self.promotion_table_data.cell(index_path: index_path, unfiltered: true)

spec/unit/tables/table_screen_spec.rb

@@ -63,6 +63,24 @@
       screen.view.estimatedRowHeight.should == 77
     end
 
+    it "sets up proper accessibility methods" do
+class NoneditableTableScreen < PM::TableScreen
+	def on_load
+	end
+	def table_data
+		[{title: "test",
+			cells: [{title: "Non-editable test"}]}]
+	end
+end
+noneditable=NoneditableTableScreen.new
+noneditable.on_load
+noneditable.editable?.should==false
+index_path=NSIndexPath.indexPathForRow(0, inSection: 0)
+lambda {noneditable.tableView(noneditable, commitEditingStyle: UITableViewCellEditingStyleDelete, forRowAtIndexPath: index_path)}.should.raise NoMethodError
+@screen.editable?.should==true
+@screen.should.respond_to(:"tableView:commitEditingStyle:forRowAtIndexPath")
+    end
+
   end
 
   describe "search functionality" do