##// END OF EJS Templates
handle undefined when sorting quick help...
handle undefined when sorting quick help since undefined is neither less than nor greater than anything in Javascript, the sort function was treating it as equal to everything, causing inconsistent behavior, depending on the sort algorithm of the browser. This ensures undefined elements are sorted last in the sequence.

File last commit:

r18533:b46a0ee8
r20837:320fde26
Show More
widget_selectioncontainer.py
68 lines | 2.2 KiB | text/x-python | PythonLexer
/ IPython / html / widgets / widget_selectioncontainer.py
"""SelectionContainer 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_box import Box, register
from IPython.utils.traitlets import Unicode, Dict, CInt
from IPython.utils.warn import DeprecatedClass
#-----------------------------------------------------------------------------
# Classes
#-----------------------------------------------------------------------------
class _SelectionContainer(Box):
"""Base class used to display multiple child widgets."""
_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
@register('IPython.Accordion')
class Accordion(_SelectionContainer):
"""Displays children each on a separate accordion page."""
_view_name = Unicode('AccordionView', sync=True)
@register('IPython.Tab')
class Tab(_SelectionContainer):
"""Displays children each on a separate accordion tab."""
_view_name = Unicode('TabView', sync=True)
# Remove in IPython 4.0
AccordionWidget = DeprecatedClass(Accordion, 'AccordionWidget')
TabWidget = DeprecatedClass(Tab, 'TabWidget')