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"""Bool class.
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Represents a boolean using a widget.
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"""
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#-----------------------------------------------------------------------------
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# Copyright (c) 2013, the IPython Development Team.
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#
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# Distributed under the terms of the Modified BSD License.
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#
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# The full license is in the file COPYING.txt, distributed with this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from .widget import DOMWidget, register
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from IPython.utils.traitlets import Unicode, Bool, CaselessStrEnum
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from IPython.utils.warn import DeprecatedClass
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#-----------------------------------------------------------------------------
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# Classes
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#-----------------------------------------------------------------------------
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class _Bool(DOMWidget):
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"""A base class for creating widgets that represent booleans."""
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value = Bool(False, help="Bool value", sync=True)
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description = Unicode('', help="Description of the boolean (label).", sync=True)
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disabled = Bool(False, help="Enable or disable user changes.", sync=True)
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def __init__(self, value=None, **kwargs):
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if value is not None:
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kwargs['value'] = value
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super(_Bool, self).__init__(**kwargs)
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@register('IPython.Checkbox')
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class Checkbox(_Bool):
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"""Displays a boolean `value` in the form of a checkbox.
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Parameters
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----------
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value : {True,False}
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value of the checkbox: True-checked, False-unchecked
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description : str
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description displayed next to the checkbox
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"""
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_view_name = Unicode('CheckboxView', sync=True)
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@register('IPython.ToggleButton')
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class ToggleButton(_Bool):
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"""Displays a boolean `value` in the form of a toggle button.
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Parameters
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----------
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value : {True,False}
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value of the toggle button: True-pressed, False-unpressed
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description : str
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description displayed next to the button
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tooltip: str
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tooltip caption of the toggle button
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icon: str
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font-awesome icon name
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"""
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_view_name = Unicode('ToggleButtonView', sync=True)
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tooltip = Unicode(help="Tooltip caption of the toggle button.", sync=True)
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icon = Unicode('', help= "Font-awesome icon.", sync=True)
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button_style = CaselessStrEnum(
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values=['primary', 'success', 'info', 'warning', 'danger', ''],
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default_value='', allow_none=True, sync=True, help="""Use a
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predefined styling for the button.""")
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# Remove in IPython 4.0
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CheckboxWidget = DeprecatedClass(Checkbox, 'CheckboxWidget')
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ToggleButtonWidget = DeprecatedClass(ToggleButton, 'ToggleButtonWidget')
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