class ModalWidget(widgets.FlexBox):
_view_module = Unicode('nbextensions/ivy/js/widget_modal', sync=True)
_view_name = Unicode('ModalView', sync=True)
title = Unicode('', sync=True)
def __init__(self, title, **kwargs):
kwargs['title'] = title
super(ModalWidget, self).__init__(**kwargs)
self._close_handlers = CallbackDispatcher()
self.on_msg(self._handle_modal_msg)
def on_close(self, callback, remove=False):
"""
Register a callback to execute when the modal is closed.
The callback will be called with two arguments, the
ModalWidget object and the name of the close button clicked.
Parameters
----------
remove : bool (optional)
Set to true to remove the callback from the list of callbacks.
"""
self._close_handlers.register_callback(callback, remove=remove)
def _handle_modal_msg(self, _, content):
if content['event'] == 'button':
self._close_handlers(self, content['button'])
else:
assert False, content
def __init__(self, title, **kwargs):
kwargs['title'] = title
super(ModalWidget, self).__init__(**kwargs)
self._close_handlers = CallbackDispatcher()
self.on_msg(self._handle_modal_msg)
