upstream/ipython Files · IPython/html/widgets/widget_container.py

refactor to improve cell switching in edit mode...

refactor to improve cell switching in edit mode This code was repeated in both CodeCell and TextCell, both of which are extensions of Cell, so this just unifies the logic in Cell. TextCell had logic here to check if the cell was rendered or not, but I don't believe it is possible to end up triggering such a code path. (Should that be required, I can always just add back these methods to TextCell, performing the .rendered==True check, and calling the Cell prior to this, code mirror at_top would only return true on if the cursor was at the first character of the top line. Now, pressing up arrow on any character on the top line will take you to the cell above. The same applies for the bottom line. Pressing down arrow would only go to the next cell if the cursor was at a location *after* the last character (something that is only possible to achieve in vim mode if the last line is empty, for example). Now, down arrow on any character of the last line will go to the next cell.

Jonathan Frederic - - Load All Authors

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r15530:4b9f1569


                r15754:d60e793e

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             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.

      """

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

      # 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

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

        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
    
Cleaned up Python widget code.

              r14283
            
      #-----------------------------------------------------------------------------

      # Classes

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

        MinRK
    
don't check shape of ContainerWidget.children

              r15475
            
        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.

          children = Tuple()

          _children = Tuple(sync=True)

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

              r14608
            
        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):

              for child in self._children:

                  child._handle_displayed()

        Jonathan Frederic
    
Fixed type in container...

              r14715
            
          def _children_changed(self, name, old, new):

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

              r14608
            
              """Validate children list.

              Makes sure only one instance of any given model can exist in the 

        Jonathan Frederic
    
Replace O(N^2) algorithm with a faster one.

              r14699
            
              children list.

              An excellent post on uniqifiers is available at 

                  http://www.peterbe.com/plog/uniqifiers-benchmark

              which provides the inspiration for using this implementation.  Below

              I've implemented the `f5` algorithm using Python comprehensions."""

        MinRK
    
remove incorrect is instance check in children_changed

              r15476
            
              if new is not None:

        Jonathan Frederic
    
Replace O(N^2) algorithm with a faster one.

              r14699
            
                  seen = {}

                  def add_item(i):

                      seen[i.model_id] = True

                      return i

        Jonathan Frederic
    
Fixed type in container...

              r14715
            
                  self._children = [add_item(i) for i in new if not i.model_id in seen]

        Jonathan Frederic
    
1-to-1 widget / view mapping

              r14592
            
        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.
		"""
		#-----------------------------------------------------------------------------
		# 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
		#-----------------------------------------------------------------------------
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 Cleaned up Python widget code.	r14283	#-----------------------------------------------------------------------------
		# Classes
		#-----------------------------------------------------------------------------
MinRK don't check shape of ContainerWidget.children	r15475
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.
		children = Tuple()
		_children = Tuple(sync=True)
Jonathan Frederic containers and selectioncontainers now only allow one of any single child	r14608
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):
		for child in self._children:
		child._handle_displayed()

Jonathan Frederic Fixed type in container...	r14715	def _children_changed(self, name, old, new):
Jonathan Frederic containers and selectioncontainers now only allow one of any single child	r14608	"""Validate children list.

		Makes sure only one instance of any given model can exist in the
Jonathan Frederic Replace O(N^2) algorithm with a faster one.	r14699	children list.
		An excellent post on uniqifiers is available at
		http://www.peterbe.com/plog/uniqifiers-benchmark
		which provides the inspiration for using this implementation. Below
		I've implemented the `f5` algorithm using Python comprehensions."""
MinRK remove incorrect is instance check in children_changed	r15476	if new is not None:
Jonathan Frederic Replace O(N^2) algorithm with a faster one.	r14699	seen = {}
		def add_item(i):
		seen[i.model_id] = True
		return i
Jonathan Frederic Fixed type in container...	r14715	self._children = [add_item(i) for i in new if not i.model_id in seen]
Jonathan Frederic 1-to-1 widget / view mapping	r14592
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)