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"""SelectionContainerWidget class.

Represents a multipage container that can be used to group other widgets into

pages.

"""

#-----------------------------------------------------------------------------

# 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_container import ContainerWidget

from IPython.utils.traitlets import Unicode, Dict, CInt

#-----------------------------------------------------------------------------

# Classes

#-----------------------------------------------------------------------------

class _SelectionContainerWidget(ContainerWidget):

_titles = Dict(help="Titles of the pages", sync=True)

selected_index = CInt(0, sync=True)

# Public methods

def set_title(self, index, title):

"""Sets the title of a container page.

Parameters

----------

index : int

Index of the container page

title : unicode

New title"""

self._titles[index] = title

self.send_state('_titles')

def get_title(self, index):

"""Gets the title of a container pages.

Parameters

----------

index : int

Index of the container page"""

if index in self._titles:

return self._titles[index]

else:

return None

class AccordionWidget(_SelectionContainerWidget):

_view_name = Unicode('AccordionView', sync=True)

class TabWidget(_SelectionContainerWidget):

_view_name = Unicode('TabView', sync=True)