374 lines
14 KiB
Python
374 lines
14 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2002-2004 Donald N. Allingham
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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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Date editing module for GRAMPS.
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The DateEdit.DateEdit provides visual feedback to the user via a pixamp
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to indicate if the assocated GtkEntry box contains a valid date. Green
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means complete and regular date. Yellow means a valid, but not a regular date.
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Red means that the date is not valid, and will be viewed as a text string
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instead of a date.
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The DateEdit.DateEditor provides a dialog in which the date can be
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unambiguously built using UI controls such as menus and spin buttons.
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"""
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__author__ = "Donald N. Allingham"
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__version__ = "$Revision$"
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#-------------------------------------------------------------------------
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#
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# Python modules
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#
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#-------------------------------------------------------------------------
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from gettext import gettext as _
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#-------------------------------------------------------------------------
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#
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# GNOME modules
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#
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#-------------------------------------------------------------------------
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import gtk
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import gtk.gdk
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import gtk.glade
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import gobject
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import gnome
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#-------------------------------------------------------------------------
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#
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# gramps modules
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#
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#-------------------------------------------------------------------------
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import Date
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import DateHandler
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import const
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import Utils
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import QuestionDialog
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#-------------------------------------------------------------------------
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#
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# Constants
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#
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#-------------------------------------------------------------------------
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MOD_TEXT = (
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(Date.MOD_NONE , _('Regular')),
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(Date.MOD_BEFORE , _('Before')),
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(Date.MOD_AFTER , _('After')),
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(Date.MOD_ABOUT , _('About')),
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(Date.MOD_RANGE , _('Range')),
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(Date.MOD_SPAN , _('Span')),
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(Date.MOD_TEXTONLY , _('Text only')) )
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QUAL_TEXT = (
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(Date.QUAL_NONE, _('Regular')),
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(Date.QUAL_ESTIMATED, _('Estimated')),
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(Date.QUAL_CALCULATED, _('Calculated')) )
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dd = DateHandler.create_display()
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dp = DateHandler.create_parser()
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CAL_TO_MONTHS_NAMES = {
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Date.CAL_GREGORIAN : dd._MONS,
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Date.CAL_JULIAN : dd._MONS,
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Date.CAL_HEBREW : dd._hebrew,
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Date.CAL_FRENCH : dd._french,
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Date.CAL_PERSIAN : dd._persian,
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Date.CAL_ISLAMIC : dd._islamic }
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#-------------------------------------------------------------------------
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#
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# DateEdit
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#
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#-------------------------------------------------------------------------
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class DateEdit:
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"""Class that associates a pixmap with a text widget, providing visual
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feedback that indicates if the text widget contains a valid date"""
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good = gtk.gdk.pixbuf_new_from_file(const.good_xpm)
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bad = gtk.gdk.pixbuf_new_from_file(const.bad_xpm)
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caution = gtk.gdk.pixbuf_new_from_file(const.caution_xpm)
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def __init__(self,date_obj,text_obj,button_obj,parent_window=None):
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"""
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Creates a connection between the date_obj, text_obj and the pixmap_obj.
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Assigns callbacks to parse and change date when the text
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in text_obj is changed, and to invoke Date Editor when the LED
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button_obj is pressed.
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"""
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self.date_obj = date_obj
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self.text_obj = text_obj
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self.button_obj = button_obj
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self.parent_window = parent_window
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self.pixmap_obj = button_obj.get_child()
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self.text_obj.connect('focus-out-event',self.parse_and_check)
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self.button_obj.connect('clicked',self.invoke_date_editor)
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self.text = unicode(self.text_obj.get_text())
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self.check()
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def check(self):
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"""
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Check current date object and display LED indicating the validity.
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"""
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if self.date_obj.get_modifier() == Date.MOD_TEXTONLY:
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self.pixmap_obj.set_from_pixbuf(self.bad)
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elif self.date_obj.is_regular():
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self.pixmap_obj.set_from_pixbuf(self.good)
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else:
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self.pixmap_obj.set_from_pixbuf(self.caution)
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def parse_and_check(self,obj,val):
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"""
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Called with the text box loses focus. Parses the text and calls
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the check() method ONLY if the text has changed.
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"""
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text = unicode(self.text_obj.get_text())
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if text != self.text:
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self.text = text
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self.date_obj.copy(dp.parse(text))
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self.check()
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def invoke_date_editor(self,obj):
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"""
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Invokes Date Editor dialog when the user clicks the LED button.
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If date was in fact built, sets the date_obj to the newly built
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date.
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"""
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date_dialog = DateEditorDialog(self.date_obj,self.parent_window)
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the_date = date_dialog.return_date
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if the_date:
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self.date_obj.copy(the_date)
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self.text_obj.set_text(dd.display(self.date_obj))
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self.check()
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#-------------------------------------------------------------------------
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#
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# DateEditorDialog
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#
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#-------------------------------------------------------------------------
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class DateEditorDialog:
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"""
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Dialog allowing to build the date precisely, to correct possible
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limitations of parsing and/or underlying structure of Date.
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"""
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def __init__(self,date,parent_window=None):
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"""
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Initiate and display the dialog.
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"""
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# Create self.date as a copy of the given Date object.
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self.date = Date.Date(date)
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self.top = gtk.glade.XML(const.dialogFile, "date_edit","gramps" )
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self.top_window = self.top.get_widget('date_edit')
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title = self.top.get_widget('title')
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Utils.set_titles(self.top_window,title,_('Date selection'))
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self.calendar_box = self.top.get_widget('calendar_box')
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for name in Date.Date.calendar_names:
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self.calendar_box.append_text(name)
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self.calendar_box.set_active(self.date.get_calendar())
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self.calendar_box.connect('changed',self.switch_calendar)
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self.quality_box = self.top.get_widget('quality_box')
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for item_number in range(len(QUAL_TEXT)):
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self.quality_box.append_text(QUAL_TEXT[item_number][1])
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if self.date.get_quality() == QUAL_TEXT[item_number][0]:
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self.quality_box.set_active(item_number)
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self.type_box = self.top.get_widget('type_box')
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for item_number in range(len(MOD_TEXT)):
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self.type_box.append_text(MOD_TEXT[item_number][1])
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if self.date.get_modifier() == MOD_TEXT[item_number][0]:
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self.type_box.set_active(item_number)
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self.type_box.connect('changed',self.switch_type)
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self.start_month_box = self.top.get_widget('start_month_box')
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self.stop_month_box = self.top.get_widget('stop_month_box')
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month_names = CAL_TO_MONTHS_NAMES[self.date.get_calendar()]
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for name in month_names:
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self.start_month_box.append_text(name)
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self.stop_month_box.append_text(name)
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self.start_month_box.set_active(self.date.get_month())
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self.stop_month_box.set_active(self.date.get_stop_month())
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self.start_day = self.top.get_widget('start_day')
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self.start_day.set_value(self.date.get_day())
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self.start_year = self.top.get_widget('start_year')
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self.start_year.set_value(self.date.get_year())
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self.stop_day = self.top.get_widget('stop_day')
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self.stop_day.set_value(self.date.get_stop_day())
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self.stop_year = self.top.get_widget('stop_year')
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self.stop_year.set_value(self.date.get_stop_year())
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# Disable second date controls if not compound date
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if not self.date.is_compound():
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self.stop_day.set_sensitive(0)
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self.stop_month_box.set_sensitive(0)
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self.stop_year.set_sensitive(0)
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# Disable the rest of controls if a text-only date
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if self.date.get_modifier() == Date.MOD_TEXTONLY:
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self.start_day.set_sensitive(0)
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self.start_month_box.set_sensitive(0)
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self.start_year.set_sensitive(0)
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self.calendar_box.set_sensitive(0)
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self.quality_box.set_sensitive(0)
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self.text_entry = self.top.get_widget('date_text_entry')
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self.text_entry.set_text(self.date.get_text())
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# The dialog is modal -- since dates don't have names, we don't
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# want to have several open dialogs, since then the user will
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# loose track of which is which. Much like opening files.
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if parent_window:
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self.top_window.set_transient_for(parent_window)
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self.return_date = None
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while 1:
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response = self.top_window.run()
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if response == gtk.RESPONSE_HELP:
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try:
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gnome.help_display('gramps-manual','index')
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except gobject.GError, msg:
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QuestionDialog.ErrorDialog(_("Could not open help"),str(msg))
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elif response == gtk.RESPONSE_OK:
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(the_quality,the_modifier,the_calendar,the_value,the_text) = \
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self.build_date_from_ui()
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self.return_date = Date.Date(self.date)
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self.return_date.set(
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quality=the_quality,
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modifier=the_modifier,
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calendar=the_calendar,
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value=the_value,
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text=the_text)
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break
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else:
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break
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self.top_window.destroy()
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def build_date_from_ui(self):
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"""
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Collect information from the UI controls and return
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5-tuple of (quality,modifier,calendar,value,text)
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"""
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# It is important to not set date based on these controls.
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# For example, changing the caledar makes the date inconsistent
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# until the callback of the calendar menu is finished.
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# We need to be able to use this function from that callback,
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# so here we just report on the state of all widgets, without
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# actually modifying the date yet.
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modifier = MOD_TEXT[self.type_box.get_active()][0]
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text = self.text_entry.get_text()
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if modifier == Date.MOD_TEXTONLY:
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return (Date.QUAL_NONE,Date.MOD_TEXTONLY,Date.CAL_GREGORIAN,
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Date.EMPTY,text)
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quality = QUAL_TEXT[self.quality_box.get_active()][0]
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if modifier in (Date.MOD_RANGE,Date.MOD_SPAN):
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value = (
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self.start_day.get_value_as_int(),
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self.start_month_box.get_active(),
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self.start_year.get_value_as_int(),
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False,
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self.stop_day.get_value_as_int(),
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self.stop_month_box.get_active(),
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self.stop_year.get_value_as_int(),
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False)
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else:
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value = (
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self.start_day.get_value_as_int(),
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self.start_month_box.get_active(),
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self.start_year.get_value_as_int(),
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False)
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calendar = self.calendar_box.get_active()
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return (quality,modifier,calendar,value,text)
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def switch_type(self,obj):
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"""
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Disable/enable various date controls depending on the date
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type selected via the menu.
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"""
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the_modifier = MOD_TEXT[self.type_box.get_active()][0]
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# Disable/enable second date controls based on whether
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# the type allows compound dates
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if the_modifier in (Date.MOD_RANGE,Date.MOD_SPAN):
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stop_date_sensitivity = 1
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else:
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stop_date_sensitivity = 0
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self.stop_day.set_sensitive(stop_date_sensitivity)
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self.stop_month_box.set_sensitive(stop_date_sensitivity)
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self.stop_year.set_sensitive(stop_date_sensitivity)
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# Disable/enable the rest of the controls if the type is text-only.
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date_sensitivity = not the_modifier == Date.MOD_TEXTONLY
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self.start_day.set_sensitive(date_sensitivity)
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self.start_month_box.set_sensitive(date_sensitivity)
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self.start_year.set_sensitive(date_sensitivity)
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self.calendar_box.set_sensitive(date_sensitivity)
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self.quality_box.set_sensitive(date_sensitivity)
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def switch_calendar(self,obj):
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"""
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Change month names and convert the date based on the calendar
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selected via the menu.
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"""
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old_cal = self.date.get_calendar()
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new_cal = self.calendar_box.get_active()
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(the_quality,the_modifier,the_calendar,the_value,the_text) = \
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self.build_date_from_ui()
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self.date.set(
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quality=the_quality,
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modifier=the_modifier,
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calendar=old_cal,
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value=the_value,
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text=the_text)
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self.date.convert_calendar(new_cal)
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self.start_month_box.get_model().clear()
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self.stop_month_box.get_model().clear()
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month_names = CAL_TO_MONTHS_NAMES[new_cal]
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for name in month_names:
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self.start_month_box.append_text(name)
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self.stop_month_box.append_text(name)
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self.start_day.set_value(self.date.get_day())
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self.start_month_box.set_active(self.date.get_month())
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self.start_year.set_value(self.date.get_year())
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self.stop_day.set_value(self.date.get_stop_day())
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self.stop_month_box.set_active(self.date.get_stop_month())
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self.stop_year.set_value(self.date.get_stop_year())
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