1..34
# __construct()
 -  takes a id_format argument
 -  id attributes takes precedence over auto generated ids
 -  can disable id generation
# ->getLabel() ->setLabel()
 -  returns null if no label has been defined
 -  returns the label
 -  changes the label
# ->getDefault() ->setDefault()
 -  returns null if no default value has been defined
 -  returns the default value
 -  changes the default value for the widget
# ->getParent() ->setParent()
 -  returns null if no widget schema has been defined
 -  associates a widget schema to the widget
# ->getIdFormat() ->setIdFormat()
 -  sets the format for the generated id attribute
# ->isHidden()
 -  returns false if a widget is not hidden
 -  returns true if a widget is hidden
# ->needsMultipartForm()
 -  returns false if the widget does not need a multipart form
 -  returns false if the widget needs a multipart form
# ->renderTag()
 -  does not add an id if no name is given
 -  does not add an id if one is given
 -  adds an id if none is given and a name is given
 -  uses the id_format to generate an id
 -  does not close tag if not in XHTML mode
# ->renderContentTag()
 -  does not add an id if no name is given
 -  does not add an id if one is given
 -  adds an id if none is given and a name is given
 -  uses the id_format to generate an id
# ->generateId()
 -  sets the format of the widget id
 -  removes the [] from the name
 -  replaces [] with _
 -  takes the value into account if provided
 -  leaves valid ids
 -  returns the name if the id format does not contain %s
 -  removes invalid characters
 -  removes invalid characters
 -  removes invalid characters
# Looks like everything went fine.