51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
'''
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Folding@Home Client Control (FAHControl)
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Copyright (C) 2010-2016 Stanford University
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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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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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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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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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