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Merge pull request #8124 from jdfreder/dynamic

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Dynamic traits.
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Min RK 2015-03-27 12:40:31 -07:00
commit 2810bcd17a
1 changed files with 7 additions and 0 deletions
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IPython/html/widgets/widget.py
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@ -292,6 +292,13 @@ class Widget(LoggingConfigurable):
True if the callback should be unregistered."""
self._display_callbacks.register_callback(callback, remove=remove)
def add_trait(self, traitname, trait):
"""Dynamically add a trait attribute to the Widget."""
super(Widget, self).add_trait(traitname, trait)
if trait.get_metadata('sync'):
self.keys.append(traitname)
self.send_state(traitname)
#-------------------------------------------------------------------------
# Support methods
#-------------------------------------------------------------------------