"""
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
An implementation of the External Event handler class in Revit context.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"""
#
# License:
#
#
# Revit Batch Processor Sample Code
#
# BSD License
# Copyright 2024, Jan Christel
# All rights reserved.

# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

# - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
# - Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
#
# This software is provided by the copyright holder "as is" and any express or implied warranties, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose are disclaimed.
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# or business interruption) however caused and on any theory of liability, whether in contract, strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this software, even if advised of the possibility of such damage.
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from Autodesk.Revit.UI import IExternalEventHandler
from Autodesk.Revit.Exceptions import InvalidOperationException


class ExternalEventHandler(IExternalEventHandler):
    """
    An IExternalEventHandler implementation
    """

    def __init__(self, execute_at_event_raised):
        """
        An implementation of the External Event handler class in Revit context.

        :param execute_at_event_raised: The function to be executed when the event is raised.
        :type execute_at_event_raised: callable
        """

        # make sure to initialize the base class
        super(ExternalEventHandler, self).__init__()

        # store the function to be executed when the event is raised
        self.execute_at_event_raised = execute_at_event_raised

    # Execute method run in Revit API environment.
    def Execute(self, uiapp):
        try:
            self.execute_at_event_raised(uiapp)
        except InvalidOperationException as e:
            print(
                "An exception occurred within the external event handler: {}".format(e)
            )

    def GetName(self):
        return "function executed {}".format(self.execute_at_event_raised)
