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"""
# TOP2049 Open Source programming suite
#
# Generic user interface support
#
# Copyright (c) 2009-2010 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
import sys
class AbstractUserInterface:
"Abstract user interface class. Subclass it."
# Progress meter IDs
PROGRESSMETER_CHIPACCESS = 0 # Programming/reading progress meter
PROGRESSMETER_USER = 100 # IDs equal or bigger than this are available to the app
def progressMeterInit(self, meterId, message, nrSteps):
pass # Do nothing by default
def progressMeterFinish(self, meterId):
pass # Do nothing by default
def progressMeter(self, meterId, step):
pass # Do nothing by default
def warningMessage(self, message):
pass # Do nothing by default
def infoMessage(self, message):
pass # Do nothing by default
def debugMessage(self, message):
pass # Do nothing by default
class ConsoleUserInterface(AbstractUserInterface):
"Console based user interface."
def progressMeterInit(self, meterId, message, nrSteps):
if meterId != self.PROGRESSMETER_CHIPACCESS:
return
self.progressNrSteps = nrSteps
self.progress = range(0, 100)
self.__genericConsoleMessage(message + " [0%", newline=False)
def progressMeterFinish(self, meterId):
if meterId != self.PROGRESSMETER_CHIPACCESS:
return
if not self.progressNrSteps:
self.progressMeter(meterId, 0)
self.__genericConsoleMessage("100%]")
def progressMeter(self, meterId, step):
if meterId != self.PROGRESSMETER_CHIPACCESS:
return
if self.progressNrSteps:
percent = (step * 100 // self.progressNrSteps)
else:
percent = 100
for progress in list(self.progress):
if progress > percent:
break
if progress == 25:
self.__genericConsoleMessage("25%", newline=False)
elif progress == 50:
self.__genericConsoleMessage("50%", newline=False)
elif progress == 75:
self.__genericConsoleMessage("75%", newline=False)
elif progress % 2 == 0:
self.__genericConsoleMessage(".", newline=False)
self.progress.remove(progress)
def __genericConsoleMessage(self, message, newline=True):
if newline:
print message
else:
sys.stdout.write(message)
sys.stdout.flush()
def warningMessage(self, message):
self.__genericConsoleMessage(message)
def infoMessage(self, message):
self.__genericConsoleMessage(message)
def debugMessage(self, message):
self.__genericConsoleMessage(message)
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