##// END OF EJS Templates
Merge pull request #4982 from ellisonbg/slider-readout...
Merge pull request #4982 from ellisonbg/slider-readout Live readout for slider widgets

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r14982:dfc15a5a
r14999:f2e40b7d merge
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widget_int.py
60 lines | 2.3 KiB | text/x-python | PythonLexer
"""IntWidget class.
Represents an unbounded int 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, CInt, Bool, List, Enum
#-----------------------------------------------------------------------------
# Classes
#-----------------------------------------------------------------------------
class _IntWidget(DOMWidget):
value = CInt(0, help="Int 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 _BoundedIntWidget(_IntWidget):
step = CInt(1, help="Minimum step that the value can take (ignored by some views)", sync=True)
max = CInt(100, help="Max value", sync=True)
min = CInt(0, help="Min value", 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 IntTextWidget(_IntWidget):
_view_name = Unicode('IntTextView', sync=True)
class BoundedIntTextWidget(_BoundedIntWidget):
_view_name = Unicode('IntTextView', sync=True)
class IntSliderWidget(_BoundedIntWidget):
_view_name = Unicode('IntSliderView', sync=True)
orientation = Enum([u'horizontal', u'vertical'], u'horizontal',
help="Vertical or horizontal.", sync=True)
readout = Bool(False, help="Display the current value of the slider next to it.", sync=True)
class IntProgressWidget(_BoundedIntWidget):
_view_name = Unicode('ProgressView', sync=True)