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"""ContainerWidget class.
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Represents a container that can be used to group other widgets.
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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 Widget
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from IPython.utils.traitlets import Unicode, Bool
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#-----------------------------------------------------------------------------
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# Classes
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#-----------------------------------------------------------------------------
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class ContainerWidget(Widget):
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target_name = Unicode('ContainerWidgetModel')
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default_view_name = Unicode('ContainerView')
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# Keys, all private and managed by helper methods. Flexible box model
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# classes...
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_keys = ['_vbox', '_hbox', '_start', '_end', '_center']
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_hbox = Bool(False)
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_vbox = Bool(False)
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_start = Bool(False)
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_end = Bool(False)
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_center = Bool(False)
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def hbox(self, enabled=True):
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"""Make this container an hbox. Automatically disables conflicting
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features.
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Parameters
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----------
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enabled: bool (optional)
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Enabled or disable the hbox feature of the container, defaults to
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True."""
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self._hbox = enabled
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if enabled:
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self._vbox = False
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def vbox(self, enabled=True):
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"""Make this container an vbox. Automatically disables conflicting
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features.
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Parameters
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----------
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enabled: bool (optional)
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Enabled or disable the vbox feature of the container, defaults to
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True."""
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self._vbox = enabled
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if enabled:
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self._hbox = False
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def start(self, enabled=True):
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"""Make the contents of this container align to the start of the axis.
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Automatically disables conflicting alignments.
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Parameters
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----------
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enabled: bool (optional)
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Enabled or disable the start alignment of the container, defaults to
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True."""
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self._start = enabled
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if enabled:
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self._end = False
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self._center = False
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def end(self, enabled=True):
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"""Make the contents of this container align to the end of the axis.
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Automatically disables conflicting alignments.
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Parameters
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----------
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enabled: bool (optional)
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Enabled or disable the end alignment of the container, defaults to
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True."""
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self._end = enabled
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if enabled:
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self._start = False
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self._center = False
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def center(self, enabled=True):
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"""Make the contents of this container align to the center of the axis.
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Automatically disables conflicting alignments.
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Parameters
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----------
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enabled: bool (optional)
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Enabled or disable the center alignment of the container, defaults to
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True."""
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self._center = enabled
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if enabled:
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self._start = False
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self._end = False
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