/usr/lib/python2.7/dist-packages/IPython/html/widgets/widget_float.py is in ipython-notebook 2.4.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | """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)
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