86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
# Copyright (c) Jupyter Development Team.
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# Distributed under the terms of the Modified BSD License.
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"""Bool class.
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Represents a boolean using a widget.
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"""
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from .widget_description import DescriptionWidget
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from .widget_core import CoreWidget
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from .valuewidget import ValueWidget
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from .widget import register
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from traitlets import Unicode, Bool, CaselessStrEnum
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class _Bool(DescriptionWidget, ValueWidget, CoreWidget):
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"""A base class for creating widgets that represent booleans."""
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value = Bool(False, help="Bool value").tag(sync=True)
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disabled = Bool(False, help="Enable or disable user changes.").tag(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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_model_name = Unicode('BoolModel').tag(sync=True)
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@register
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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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indent : {True,False}
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indent the control to align with other controls with a description. The style.description_width attribute controls this width for consistence with other controls.
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"""
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_view_name = Unicode('CheckboxView').tag(sync=True)
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_model_name = Unicode('CheckboxModel').tag(sync=True)
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indent = Bool(True, help="Indent the control to align with other controls with a description.").tag(sync=True)
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@register
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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').tag(sync=True)
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_model_name = Unicode('ToggleButtonModel').tag(sync=True)
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tooltip = Unicode(help="Tooltip caption of the toggle button.").tag(sync=True)
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icon = Unicode('', help= "Font-awesome icon.").tag(sync=True)
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button_style = CaselessStrEnum(
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values=['primary', 'success', 'info', 'warning', 'danger', ''], default_value='',
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help="""Use a predefined styling for the button.""").tag(sync=True)
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@register
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class Valid(_Bool):
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"""Displays a boolean `value` in the form of a green check (True / valid)
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or a red cross (False / invalid).
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Parameters
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----------
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value: {True,False}
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value of the Valid widget
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"""
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readout = Unicode('Invalid', help="Message displayed when the value is False").tag(sync=True)
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_view_name = Unicode('ValidView').tag(sync=True)
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_model_name = Unicode('ValidModel').tag(sync=True)
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