54 lines
2.5 KiB
Python
54 lines
2.5 KiB
Python
################################################################################
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# #
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# Folding@Home Client Control (FAHControl) #
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# Copyright (C) 2016-2020 foldingathome.org #
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# Copyright (C) 2010-2016 Stanford University #
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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 3 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, see <http://www.gnu.org/licenses/>. #
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# #
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################################################################################
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import gtk
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import re
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class EntryValidator:
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def __init__(self, app, entry, pattern, description = ''):
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self.app = app
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self.entry = entry
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self.re = re.compile(pattern)
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self.description = description
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self.text = entry.get_text()
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entry.connect('focus-in-event', self.on_focus_in_event)
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entry.connect('focus-out-event', self.on_focus_out_event)
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def is_valid(self):
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return self.re.match(self.entry.get_text()) is not None
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def on_focus_in_event(self, widget, event, data = None):
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self.text = self.entry.get_text()
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return False # let the signal propagate
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def on_focus_out_event(self, widget, event, data = None):
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if not self.is_valid():
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self.app.error('Invalid value\n%s' % self.description)
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self.entry.set_text(self.text)
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else: self.text = self.entry.get_text()
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return False # let the signal propagate
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