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#
# ui.py <Peter.Bienstman@UGent.be>
#
class UI(object):
"""Interface that needs to be implemented by the Ui object used in the
Client and the Server.
"""
def show_information(self, message):
print message
def show_error(self, message):
print message
def show_question(self, question, option0, option1, option2):
"""Returns 0, 1 or 2."""
raise NotImplementedError
def set_progress_text(self, text):
"""Resets all the attributes of the progress bar if one is still open,
and displays 'text'.
"""
pass
def set_progress_range(self, maximum):
"""Progress bar runs from 0 to 'maximum. If 'maximum' is zero, this is
just a busy dialog. Should be the default for set_progress_text.
"""
pass
def set_progress_update_interval(self, update_interval):
"""Sometimes updating the progress bar for a single step takes longer
than doing the actual processing. In this case, it is useful to set
'update_interval' and the progress bar will only be updated every
'update_interval' steps.
"""
pass
def increase_progress(self, value):
"""Increase the progress by 'value'."""
pass
def set_progress_value(self, value):
"""If 'value' is maximum or beyond, the dialog closes."""
pass
def close_progress(self):
"""Convenience function for closing a busy dialog."""
pass
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