bin/widget_search/selection.py

   1 ##############################################################################
   2 #
   3 # Copyright (c) 2004-2008 TINY SPRL. (http://tiny.be) All Rights Reserved.
   4 #
   5 # $Id$
   6 #
   7 # WARNING: This program as such is intended to be used by professional
   8 # programmers who take the whole responsability of assessing all potential
   9 # consequences resulting from its eventual inadequacies and bugs
  10 # End users who are looking for a ready-to-use solution with commercial
  11 # garantees and support are strongly adviced to contract a Free Software
  12 # Service Company
  13 #
  14 # This program is Free Software; you can redistribute it and/or
  15 # modify it under the terms of the GNU General Public License
  16 # as published by the Free Software Foundation; either version 2
  17 # of the License, or (at your option) any later version.
  18 #
  19 # This program is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write to the Free Software
  26 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27 #
  28 ##############################################################################
  29
  30 import gtk
  31 import gobject
  32 import wid_int
  33
  34 class selection(wid_int.wid_int):
  35         def __init__(self, name, parent, attrs={}):
  36                 wid_int.wid_int.__init__(self, name, parent, attrs)
  37
  38                 self.widget = gtk.combo_box_entry_new_text()
  39                 self.widget.child.set_editable(True)
  40                 self.widget.child.connect('key_press_event', self.sig_key_press)
  41                 self._selection={}
  42                 if 'selection' in attrs:
  43                         self.set_popdown(attrs.get('selection',[]))
  44
  45         def set_popdown(self, selection):
  46                 self.model = self.widget.get_model()
  47                 self.model.clear()
  48                 self._selection={}
  49                 lst = []
  50                 for (i,j) in selection:
  51                         name = str(j)
  52                         if type(i)==type(1):
  53                                 name+=' ('+str(i)+')'
  54                         lst.append(name)
  55                         self._selection[name]=i
  56                 self.widget.append_text('')
  57                 for l in lst:
  58                         self.widget.append_text(l)
  59                 return lst
  60
  61         def sig_key_press(self, widget, event):
  62                 completion=gtk.EntryCompletion()
  63                 completion.set_inline_selection(True)
  64                 if (event.type == gtk.gdk.KEY_PRESS) \
  65                         and ((event.state & gtk.gdk.CONTROL_MASK) != 0) \
  66                         and (event.keyval == gtk.keysyms.space):
  67                         self.entry.popup()
  68                 elif not (event.keyval==65362 or event.keyval==65364):
  69                         completion.set_model(self.model)
  70                         widget.set_completion(completion)
  71                         completion.set_text_column(0)
  72
  73         def _value_get(self):
  74                 model = self.widget.get_model()
  75                 index = self.widget.get_active()
  76                 if index>=0:
  77                         res = self._selection.get(model[index][0], False)
  78                         if res:
  79                                 return [(self.name,'=',res)]
  80                 return []
  81
  82         def _value_set(self, value):
  83                 if value==False:
  84                         value=''
  85                 for s in self._selection:
  86                         if self._selection[s]==value:
  87                                 self.widget.child.set_text(s)
  88
  89         def clear(self):
  90                 self.widget.child.set_text('')
  91
  92         value = property(_value_get, _value_set, None,
  93           'The content of the widget or ValueError if not valid')
  94
  95         def _readonly_set(self, value):
  96                 self.widget.set_sensitive(not value)