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             / IPython / html / widgets / widget_container.py
          
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        Jonathan Frederic
    
Cleaned up Python widget code.

              r14283
            
      """ContainerWidget class.  

      Represents a container that can be used to group other widgets.

      """

        Jonathan Frederic
    
Allow a widget to be displayed more than once within a parent widget.

              r17172
            
      # Copyright (c) IPython Development Team.

        Jonathan Frederic
    
Cleaned up Python widget code.

              r14283
            
      # Distributed under the terms of the Modified BSD License.

        Jonathan Frederic
    
s/Widget/DOMWidget s/BaseWidget/Widget

              r14540
            
      from .widget import DOMWidget

        MinRK
    
don't validate ContainerWidget.children...

              r15480
            
      from IPython.utils.traitlets import Unicode, Tuple, TraitError

        Jonathan Frederic
    
Add container widget

              r14239
            
        Jonathan Frederic
    
s/Widget/DOMWidget s/BaseWidget/Widget

              r14540
            
      class ContainerWidget(DOMWidget):

        Jonathan Frederic
    
s/view_name/_view_name

              r14701
            
          _view_name = Unicode('ContainerView', sync=True)

        Jonathan Frederic
    
Attempt 1, HBox and VBox implementation.

              r14268
            
        MinRK
    
don't validate ContainerWidget.children...

              r15480
            
          # Child widgets in the container.

          # Using a tuple here to force reassignment to update the list.

          # When a proper notifying-list trait exists, that is what should be used here.

        Jonathan Frederic
    
Fixed buggy behavior

              r17173
            
          children = Tuple(sync=True)

        zah
    
Children fire event...

              r15446
            
          def __init__(self, **kwargs):

              super(ContainerWidget, self).__init__(**kwargs)

              self.on_displayed(ContainerWidget._fire_children_displayed)

          def _fire_children_displayed(self):

        Jonathan Frederic
    
Fixed buggy behavior

              r17173
            
              for child in self.children:

        zah
    
Children fire event...

              r15446
            
                  child._handle_displayed()

        Jonathan Frederic
    
More PEP8 changes

              r14607
            
        Jonathan Frederic
    
s/ModalView/PopupView

              r14676
            
      class PopupWidget(ContainerWidget):

        Jonathan Frederic
    
s/view_name/_view_name

              r14701
            
          _view_name = Unicode('PopupView', sync=True)

        Jonathan Frederic
    
containers and selectioncontainers now only allow one of any single child

              r14608
            
          description = Unicode(sync=True)

          button_text = Unicode(sync=True)

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Jonathan Frederic Cleaned up Python widget code.	r14283	"""ContainerWidget class.

		Represents a container that can be used to group other widgets.
		"""
Jonathan Frederic Allow a widget to be displayed more than once within a parent widget.	r17172
		# Copyright (c) IPython Development Team.
Jonathan Frederic Cleaned up Python widget code.	r14283	# Distributed under the terms of the Modified BSD License.

Jonathan Frederic s/Widget/DOMWidget s/BaseWidget/Widget	r14540	from .widget import DOMWidget
MinRK don't validate ContainerWidget.children...	r15480	from IPython.utils.traitlets import Unicode, Tuple, TraitError
Jonathan Frederic Add container widget	r14239
Jonathan Frederic s/Widget/DOMWidget s/BaseWidget/Widget	r14540	class ContainerWidget(DOMWidget):
Jonathan Frederic s/view_name/_view_name	r14701	_view_name = Unicode('ContainerView', sync=True)
Jonathan Frederic Attempt 1, HBox and VBox implementation.	r14268
MinRK don't validate ContainerWidget.children...	r15480	# Child widgets in the container.
		# Using a tuple here to force reassignment to update the list.
		# When a proper notifying-list trait exists, that is what should be used here.
Jonathan Frederic Fixed buggy behavior	r17173	children = Tuple(sync=True)
zah Children fire event...	r15446
		def __init__(self, **kwargs):
		super(ContainerWidget, self).__init__(**kwargs)
		self.on_displayed(ContainerWidget._fire_children_displayed)

		def _fire_children_displayed(self):
Jonathan Frederic Fixed buggy behavior	r17173	for child in self.children:
zah Children fire event...	r15446	child._handle_displayed()

Jonathan Frederic More PEP8 changes	r14607
Jonathan Frederic s/ModalView/PopupView	r14676	class PopupWidget(ContainerWidget):
Jonathan Frederic s/view_name/_view_name	r14701	_view_name = Unicode('PopupView', sync=True)
Jonathan Frederic containers and selectioncontainers now only allow one of any single child	r14608
		description = Unicode(sync=True)
		button_text = Unicode(sync=True)