132 lines
4.2 KiB
Python
132 lines
4.2 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2008 Zsolt Foldvari
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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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"ShortlistComboEntry class."
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__all__ = ["ShortlistComboEntry"]
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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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import logging
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_LOG = logging.getLogger(".widgets.shortlistcomboentry")
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#-------------------------------------------------------------------------
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#
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# GTK modules
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#
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#-------------------------------------------------------------------------
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import gobject
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import gtk
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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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from gui.widgets.validatedcomboentry import ValidatedComboEntry
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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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_GTYPE = {
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str: gobject.TYPE_STRING,
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unicode: gobject.TYPE_STRING,
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int: gobject.TYPE_INT,
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long: gobject.TYPE_INT64,
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float: gobject.TYPE_FLOAT,
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}
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(COLUMN_ITEM,
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COLUMN_IS_SEP,) = range(2)
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#-------------------------------------------------------------------------
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#
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# ShortlistComboEntry class
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#
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#-------------------------------------------------------------------------
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class ShortlistComboEntry(ValidatedComboEntry):
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"""A ComboboxEntry class with optional shortlist.
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"""
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__gtype_name__ = "ShortlistComboEntry"
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def __init__(self, items, shortlist=True, validator=None):
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if not items:
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raise ValueError
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data_type = items[0].__class__
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gtype = _GTYPE.get(data_type, gobject.TYPE_PYOBJECT)
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# create the model and insert the items
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model = gtk.ListStore(gtype, gobject.TYPE_BOOLEAN)
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maxlen = -1
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for item in items:
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if len(str(item)) > maxlen:
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maxlen = len(str(item))
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model.append((item, False))
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width = -1 #default width
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if 1 < maxlen < 4:
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width = 4
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elif 1 < maxlen < 10:
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width = maxlen + 1
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ValidatedComboEntry.__init__(self, data_type, model,
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COLUMN_ITEM, validator, width=width)
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if shortlist:
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self._shortlist = []
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self.connect("changed", self._on_combobox_changed)
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self.set_row_separator_func(self._is_row_separator)
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def _on_combobox_changed(self, combobox):
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if self._internal_change:
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return
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if self.get_active_iter():
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model = self.get_model()
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# if first item on shortlist insert a separator row
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if not self._shortlist:
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model.prepend((None, True))
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# remove the existing shortlist from the model
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iter = model.get_iter_first()
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for n in range(len(self._shortlist)):
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model.remove(iter)
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# update shortlist
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if self._active_data in self._shortlist:
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self._shortlist.remove(self._active_data)
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self._shortlist.append(self._active_data)
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self._shortlist = self._shortlist[-5:]
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# prepend shortlist to model
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for data in self._shortlist:
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model.prepend((data, False))
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def _is_row_separator(self, model, iter):
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return model.get_value(iter, COLUMN_IS_SEP)
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