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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach 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 3 of the License, or
(at your option) any later version.
Task Coach 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, see <http://www.gnu.org/licenses/>.
'''
from taskcoachlib import operating_system
from wx.lib import masked
import wx
import locale
class FixOverwriteSelectionMixin(object):
def _SetSelection(self, start, end):
if operating_system.isGTK(): # pragma: no cover
# By exchanging the start and end parameters we make sure that the
# cursor is at the start of the field so that typing overwrites the
# current field instead of moving to the next field:
start, end = end, start
super(FixOverwriteSelectionMixin, self)._SetSelection(start, end)
def _OnKeyDown(self, event):
# Allow keyboard navigation in notebook. Just skipping the event does not work;
# propagate it all the way up...
if event.GetKeyCode() == wx.WXK_TAB and event.GetModifiers() and hasattr(self.GetParent(), 'NavigateBook'):
if self.GetParent().NavigateBook(event):
return
super(FixOverwriteSelectionMixin, self)._OnKeyDown(event)
class TextCtrl(FixOverwriteSelectionMixin, masked.TextCtrl):
pass
class AmountCtrl(FixOverwriteSelectionMixin, masked.NumCtrl):
def __init__(self, parent, value=0, locale_conventions=None):
locale_conventions = locale_conventions or locale.localeconv()
decimalChar = locale_conventions['decimal_point'] or '.'
groupChar = locale_conventions['thousands_sep'] or ','
groupDigits = len(locale_conventions['grouping']) > 1
# The thousands separator may come up as ISO-8859-1 character
# 0xa0, which looks like a space but isn't ASCII, which
# confuses NumCtrl... Play it safe and avoid any non-ASCII
# character here, or groupChars that consist of multiple characters.
if len(groupChar) > 1 or ord(groupChar) >= 128:
groupChar = ','
# Prevent decimalChar and groupChar from being the same:
if groupChar == decimalChar:
groupChar = '.' if decimalChar == ',' else ','
super(AmountCtrl, self).__init__(parent, value=value,
allowNegative=False, fractionWidth=2, selectOnEntry=True,
decimalChar=decimalChar, groupChar=groupChar,
groupDigits=groupDigits)
class TimeDeltaCtrl(TextCtrl):
''' Masked edit control for entering or displaying time deltas of the
form <hour>:<minute>:<second>. Entering negative time deltas is not
allowed, displaying negative time deltas is allowed if the control
is read only. '''
def __init__(self, parent, hours, minutes, seconds, readonly=False,
negative_value=False, *args, **kwargs):
# If the control is read only (meaning it could potentially have to
# show negative values) or if the value is actually negative, allow
# the minus sign in the mask. Otherwise only allow for numbers.
mask = 'X{9}:##:##' if negative_value or readonly else '#{9}:##:##'
hours = self.__hour_string(hours, negative_value)
super(TimeDeltaCtrl, self).__init__(parent, mask=mask, formatcodes='FS',
fields=[masked.Field(formatcodes='Rr', defaultValue=hours),
masked.Field(defaultValue='%02d' % minutes),
masked.Field(defaultValue='%02d' % seconds)],
*args, **kwargs)
def set_value(self, hours, minutes, seconds, negative_value=False):
hours = self.__hour_string(hours, negative_value)
self.SetCtrlParameters(formatcodes='FS',
fields=[masked.Field(formatcodes='Rr', defaultValue=hours),
masked.Field(defaultValue='%02d' % minutes),
masked.Field(defaultValue='%02d' % seconds)])
self.Refresh()
@staticmethod
def __hour_string(hours, negative_value):
''' If the value is negative (e.g. over budget), place a minus sign
before the hours number and make sure the field has the appropriate
width. '''
return '%9s' % ('-' + '%d' % hours) if negative_value else \
'%9d' % hours
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