# # Gramps - a GTK+/GNOME based genealogy program # # Copyright (C) 2002-2006 Donald N. Allingham # # This program 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 2 of the License, or # (at your option) any later version. # # This program 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, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # $Id$ """ Provide autocompletion functionality. """ #------------------------------------------------------------------------- # # Standard python modules # #------------------------------------------------------------------------- import locale #------------------------------------------------------------------------- # # GNOME modules # #------------------------------------------------------------------------- import gtk import gobject def fill_combo(combo, data_list): """ Fill a combo box with completion data """ store = gtk.ListStore(gobject.TYPE_STRING) for data in data_list: if data: store.append(row=[data]) combo.set_model(store) combo.set_text_column(0) completion = gtk.EntryCompletion() completion.set_model(store) completion.set_minimum_key_length(1) completion.set_text_column(0) combo.child.set_completion(completion) def fill_entry(entry, data_list): """ Fill a entry with completion data """ store = gtk.ListStore(gobject.TYPE_STRING) for data in data_list: if data: store.append(row=[data]) completion = gtk.EntryCompletion() completion.set_model(store) completion.set_minimum_key_length(1) completion.set_text_column(0) entry.set_completion(completion) #------------------------------------------------------------------------- # # StandardCustomSelector class # #------------------------------------------------------------------------- class StandardCustomSelector(object): """ This class provides an interface to selecting from the predefined options or entering custom string. The typical usage should be: type_sel = StandardCustomSelector(mapping,None,custom_key,active_key) whatever_table.attach(type_sel,...) or type_sel = StandardCustomSelector(mapping,cbe,custom_key,active_key) with the existing ComboBoxEntry cbe. To set up the combo box, specify the active key at creation time, or later (or with custom text) use: type_sel.set_values(i,s) and later, when or before the dialog is closed, do: (i,s) = type_sel.get_values() to obtain the tuple of (int,str) corresponding to the user selection. No selection will return (custom_key,'') if the custom key is given, or (None,'') if it is not given. The active_key determines the default selection that will be displayed upon widget creation. If omitted, the entry will be empty. If present, then no selection on the user's part will return the (active_key,mapping[active_key]) tuple. """ def __init__(self, mapping, cbe=None, custom_key=None, active_key=None, additional=None): """ Constructor for the StandardCustomSelector class. :param cbe: Existing ComboBoxEntry widget to use. :type cbe: gtk.ComboBoxEntry :param mapping: The mapping between integer and string constants. :type mapping: dict :param custom_key: The key corresponding to the custom string entry :type custom_key: int :param active_key: The key for the entry to make active upon creation :type active_key: int """ # set variables self.mapping = mapping self.custom_key = custom_key self.active_key = active_key self.active_index = 0 self.additional = additional # make model self.store = gtk.ListStore(gobject.TYPE_INT, gobject.TYPE_STRING) # fill it up using mapping self.fill() # create combo box entry if cbe: self.selector = cbe self.selector.set_model(self.store) self.selector.set_text_column(1) else: self.selector = gtk.ComboBoxEntry(self.store, 1) if self.active_key is not None: self.selector.set_active(self.active_index) # make autocompletion work completion = gtk.EntryCompletion() completion.set_model(self.store) completion.set_minimum_key_length(1) completion.set_text_column(1) self.selector.child.set_completion(completion) def fill(self): """ Fill with data """ keys = sorted(self.mapping, self.by_value) index = 0 for key in keys: if key != self.custom_key: self.store.append(row=[key, self.mapping[key]]) if key == self.active_key: self.active_index = index index += 1 if self.additional: for event_type in self.additional: if isinstance(event_type, basestring): if event_type: self.store.append(row=[self.custom_key, event_type]) elif isinstance(event_type, tuple): if event_type[1]: self.store.append(row=[event_type[0], event_type[1]]) else: self.store.append(row=[int(event_type), str(event_type)]) if key == self.active_key: self.active_index = index index += 1 def by_value(self, first, second): """ Method for sorting keys based on the values. """ fvalue = self.mapping[first] svalue = self.mapping[second] return locale.strcoll(fvalue, svalue) def get_values(self): """ Get selected values. :returns: Returns (int,str) tuple corresponding to the selection. :rtype: tuple """ active_iter = self.selector.get_active_iter() if active_iter: int_val = self.store.get_value(active_iter, 0) str_val = self.store.get_value(active_iter, 1) if str_val != self.mapping[int_val]: str_val = self.selector.child.get_text().strip() else: int_val = self.custom_key str_val = self.selector.child.get_text().strip() if str_val in self.mapping.itervalues(): for key in self.mapping: if str_val == self.mapping[key]: int_val = key break else: int_val = self.custom_key return (int_val, str_val) def set_values(self, val): """ Set values according to given tuple. :param val: (int,str) tuple with the values to set. :type val: tuple """ key, text = val if key in self.mapping and key != self.custom_key: self.store.foreach(self.set_int_value, key) elif self.custom_key is not None: self.selector.child.set_text(text) else: print "StandardCustomSelector.set(): Option not available:", val def set_int_value(self, model, path, node, val): if model.get_value(node, 0) == val: self.selector.set_active_iter(node) return True return False