     .#{@idClass} ul {
       list-style-type: none;
     }
-    .#{@idClass} ul li.#{@nodeClass()} {
+    .#{@idClass} ul li.#{@_nodeClass()} {
       cursor: pointer;
     }
-    .#{@idClass} ul li.#{@nodeClass()}:before {
+    .#{@idClass} ul li.#{@_nodeClass()}:before {
       width: 1em;
       text-align: center;
       display: inline-block;


defaults =
  classPrefix: "filetree-"
  typePrefix: "type-"
  types:
    default:
      icon:

    
    makeElements = (nodes) =>
      $list = $("<ul/>")
      $list.addClass(@_treeClass())
      $list.append(makeElement(node)) for node in nodes
      $list
    
    $(@element).empty()
    $(@element).append(makeElements(structure))
    this
    
  _nodeClass: () -> @options.classPrefix+"node"
  _treeClass: () -> @options.classPrefix+"tree"
  
  _typeClass: (typeName) ->
    @options.classPrefix+'type-'+typeName
    
  _stateClass: (state) ->
    @options.classPrefix+state
