better documentation

lib/base/constant_view.rb

@@ -1,12 +1,17 @@
 require_relative "element_view"
 
+# A very simple ElementView with constant text and class. It uses the ElementView.div function
+# to generate the html, see there for details
+#
 class ConstantView < ElementView
 
+  # store the class and text
   def initialize class_or_id , text = nil
     @class_or_id = class_or_id
     @text = text
   end
 
+  # use ElementView.div to create html from the class and text 
   def draw
     @element = div(@class_or_id , @text)
   end

lib/base/element_view.rb

@@ -1,3 +1,12 @@
+# The basic idea is somewhat that of a shadow dom.
+#
+# ElementView wraps a single div with whatever content you want (derive to implement the view)
+#
+# It must have an element, which is drawn. Draw returns the div or whatever. An ElementView
+#  does not draw itself, but rather is drawn.
+#
+# Listviews provide structure
+#
 class ElementView
 
   def initialize

lib/base/list_view.rb

@@ -1,5 +1,14 @@
 require_relative "element_view"
 
+# Listviews hold an array of elements and are responsible for drawing (and re-drawing them)
+#
+# A ListView hold the elements, but also the drawn html divs. You can change the element
+# structure by adding/removing/replacing and the ListView will take care of redrawing the html
+#
+# A ListView is itself an ElementView so one can build recursive structures.
+#
+# Also one can easily change the root html element, or by deriving wrap or edit the resulting html
+#
 class ListView < ElementView
 
   def initialize children