105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2010 Brian G. Matherly
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id:$
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#
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"""
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The User class provides basic interaction with the user.
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"""
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#-------------------------------------------------------------------------
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#
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# User class
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#
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#-------------------------------------------------------------------------
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class User():
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"""
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This class provides a means to interact with the user in an abstract way.
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This class should be overridden by each respective user interface to provide
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the appropriate interaction (eg. dialogs for GTK, promts for CLI).
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"""
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def begin_progress(self, title, message, steps):
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"""
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Start showing a progress indicator to the user.
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@param title: the title of the progress meter
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@type title: str
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@param message: the message associated with the progress meter
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@type message: str
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@param steps: the total number of steps for the progress meter. a value
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of 0 indicates that the ending is unknown and the meter should just
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show activity.
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@type steps: int
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@returns: none
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"""
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pass
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def step_progress(self):
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"""
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Advance the progress meter.
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"""
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pass
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def end_progress(self):
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"""
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Start showing a progress indicator to the user.
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"""
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pass
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def prompt(self, title, question):
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"""
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Ask the user a question. The answer must be "yes" or "no". The user will
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be forced to answer the question before proceeding.
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@param title: the title of the question
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@type title: str
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@param question: the question
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@type question: str
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@returns: the user's answer to the question
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@rtype: bool
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"""
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return False
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def warn(self, title, warning):
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"""
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Warn the user. The user will be forced to acknowledge the warning before
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proceeding.
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@param title: the title of the warning
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@type title: str
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@param warning: the warning
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@type warning: str
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@returns: none
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"""
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pass
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def notify_error(self, title, error):
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"""
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Notify the user of an error. The user will be forced to acknowledge the
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error before proceeding.
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@param title: the title of the error
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@type title: str
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@param error: the error message
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@type error: str
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@returns: none
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"""
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pass
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