Source code for bokeh.models.widgets.groups
'''
'''
from __future__ import absolute_import
from ...core.has_props import abstract
from ...core.properties import Bool, Instance, Int, List, String
from ..callbacks import Callback
from .buttons import ButtonLike
from .widget import Widget
[docs]@abstract
class AbstractGroup(Widget):
''' Abstract base class for all kinds of groups.
'''
labels = List(String, help="""
List of text labels contained in this group.
""")
[docs] def on_click(self, handler):
''' Set up a handler for button check/radio box clicks including
the selected indices.
Args:
handler (func) : handler function to call when button is clicked.
Returns:
None
'''
self.on_change('active', lambda attr, old, new: handler(new))
[docs] def js_on_click(self, handler):
''' Set up a handler for button check/radio box clicks including the selected indices. '''
self.js_on_change('active', handler)
callback = Instance(Callback, help="""
A callback to run in the browser whenever a button group is manipulated.
""")
[docs]@abstract
class Group(AbstractGroup):
''' Abstract base class for groups with items rendered as check/radio
boxes.
'''
inline = Bool(False, help="""
Should items be arrange vertically (``False``) or horizontally
in-line (``True``).
""")
[docs]class CheckboxGroup(Group):
''' A group of check boxes.
'''
active = List(Int, help="""
The list of indices of selected check boxes.
""")
[docs]class RadioGroup(Group):
''' A group of radio boxes.
'''
active = Int(None, help="""
The index of the selected radio box, or ``None`` if nothing is
selected.
""")
