old_contents: """FloatWidget class.  
  
  Represents an unbounded float using a widget.
  """
  #-----------------------------------------------------------------------------
  # Copyright (c) 2013, the IPython Development Team.
  #
  # Distributed under the terms of the Modified BSD License.
  #
  # The full license is in the file COPYING.txt, distributed with this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  from .widget import DOMWidget
  from IPython.utils.traitlets import Unicode, CFloat, Bool, Enum
  
  #-----------------------------------------------------------------------------
  # Classes
  #-----------------------------------------------------------------------------
  class _FloatWidget(DOMWidget):
      value = CFloat(0.0, help="Float value", sync=True) 
      disabled = Bool(False, help="Enable or disable user changes", sync=True)
      description = Unicode(help="Description of the value this widget represents", sync=True)
  
  
  class _BoundedFloatWidget(_FloatWidget):
      max = CFloat(100.0, help="Max value", sync=True)
      min = CFloat(0.0, help="Min value", sync=True)
      step = CFloat(0.1, help="Minimum step that the value can take (ignored by some views)", sync=True)
  
      def __init__(self, *pargs, **kwargs):
          """Constructor"""
          DOMWidget.__init__(self, *pargs, **kwargs)
          self.on_trait_change(self._validate, ['value', 'min', 'max'])
  
      def _validate(self, name, old, new):
          """Validate value, max, min."""
          if self.min > new or new > self.max:
              self.value = min(max(new, self.min), self.max)
  
  
  class FloatTextWidget(_FloatWidget):
      _view_name = Unicode('FloatTextView', sync=True)
  
  
  class BoundedFloatTextWidget(_BoundedFloatWidget):
      _view_name = Unicode('FloatTextView', sync=True)
  
  
  class FloatSliderWidget(_BoundedFloatWidget):
      _view_name = Unicode('FloatSliderView', sync=True)
      orientation = Enum([u'horizontal', u'vertical'], u'horizontal', 
          help="Vertical or horizontal.", sync=True)
      readout = Bool(True, help="Display the current value of the slider next to it.", sync=True)
  
  
  class FloatProgressWidget(_BoundedFloatWidget):
      _view_name = Unicode('ProgressView', sync=True)
  
new_contents: """FloatWidget class.  
  
  Represents an unbounded float using a widget.
  """
  #-----------------------------------------------------------------------------
  # Copyright (c) 2013, the IPython Development Team.
  #
  # Distributed under the terms of the Modified BSD License.
  #
  # The full license is in the file COPYING.txt, distributed with this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  from .widget import DOMWidget
  from IPython.utils.traitlets import Unicode, CFloat, Bool, Enum
  
  #-----------------------------------------------------------------------------
  # Classes
  #-----------------------------------------------------------------------------
  class _FloatWidget(DOMWidget):
      value = CFloat(0.0, help="Float value", sync=True) 
      disabled = Bool(False, help="Enable or disable user changes", sync=True)
      description = Unicode(help="Description of the value this widget represents", sync=True)
  
  
  class _BoundedFloatWidget(_FloatWidget):
      max = CFloat(100.0, help="Max value", sync=True)
      min = CFloat(0.0, help="Min value", sync=True)
      step = CFloat(0.1, help="Minimum step that the value can take (ignored by some views)", sync=True)
  
      def __init__(self, *pargs, **kwargs):
          """Constructor"""
          DOMWidget.__init__(self, *pargs, **kwargs)
          self._validate('value', None, self.value)
          self.on_trait_change(self._validate, ['value', 'min', 'max'])
  
      def _validate(self, name, old, new):
          """Validate value, max, min."""
          if self.min > new or new > self.max:
              self.value = min(max(new, self.min), self.max)
  
  
  class FloatTextWidget(_FloatWidget):
      _view_name = Unicode('FloatTextView', sync=True)
  
  
  class BoundedFloatTextWidget(_BoundedFloatWidget):
      _view_name = Unicode('FloatTextView', sync=True)
  
  
  class FloatSliderWidget(_BoundedFloatWidget):
      _view_name = Unicode('FloatSliderView', sync=True)
      orientation = Enum([u'horizontal', u'vertical'], u'horizontal', 
          help="Vertical or horizontal.", sync=True)
      readout = Bool(True, help="Display the current value of the slider next to it.", sync=True)
  
  
  class FloatProgressWidget(_BoundedFloatWidget):
      _view_name = Unicode('ProgressView', sync=True)
  
subject: Validate initial value of "_BoundedFloatWidget".