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import gtk, gtk.glade, gobject
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import gglobals, convert, os.path
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from gtk_extras import cb_extras as cb
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from gtk_extras import dialog_extras as de
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from gettext import ngettext
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from gettext import gettext as _
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"""A generic "value" editor for mucking about with the database.
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values = 'category','cuisine','source','link'
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def __init__ (self, rd, rg):
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self.field = None; self.other_field = None
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self.rd = rd; self.rg = rg
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self.glade = gtk.glade.XML(os.path.join(gglobals.gladebase,'valueEditor.glade'))
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self.__setup_widgets__()
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self.__setup_treeview__()
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self.glade.signal_autoconnect({
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'on_changeValueButton_toggled':self.changeValueButtonToggledCB,
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'on_fieldToEditCombo_changed':self.fieldChangedCB,
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'on_otherChangeCheckButton_toggled':self.otherChangeToggleCB,
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'on_otherExpander_activate':self.otherChangeToggleCB,
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'on_otherFieldCombo_changed':self.otherFieldComboChangedCB,
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def __setup_widgets__ (self):
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'fieldToEditCombo','newValueComboBoxEntry',
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'newValueEntry','changeValueButton',
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'deleteValueButton','forEachLabel',
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'otherExpander','otherFieldCombo',
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'otherNewValueEntry','otherNewValueComboBoxEntry',
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'otherValueBlurbLabel','otherChangeCheckButton',
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setattr(self,w,self.glade.get_widget(w))
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self.act_on_selection_widgets = [
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self.deleteValueButton, self.changeValueButton,
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self.newValueEntry,self.otherChangeCheckButton,
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# Set up the combo-widget at the top with the
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self.fields = [gglobals.REC_ATTR_DIC[v] for v in self.values]
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cb.set_model_from_list(
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self.fieldToEditCombo,
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cb.set_model_from_list(
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self.newValueComboBoxEntry.set_sensitive(False)
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self.otherValueBlurbLabel.hide()
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self.newValueEntryCompletion = gtk.EntryCompletion()
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self.newValueEntry.set_completion(self.newValueEntryCompletion)
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self.otherNewValueEntryCompletion = gtk.EntryCompletion()
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self.otherNewValueEntry.set_completion(
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self.otherNewValueEntryCompletion
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self.valueDialog.connect('response',self.dialog_response_cb)
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self.valueDialog.set_response_sensitive(gtk.RESPONSE_APPLY,False)
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def __setup_treeview__ (self):
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renderer = gtk.CellRendererText()
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# If we have gtk > 2.8, set up text-wrapping
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renderer.get_property('wrap-width')
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renderer.set_property('wrap-mode',gtk.WRAP_WORD)
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renderer.set_property('wrap-width',400)
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col = gtk.TreeViewColumn('Value',
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self.treeview.append_column(col)
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self.treeview.get_selection().connect('changed',self.treeViewSelectionChanged)
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self.treeview.get_selection().set_mode(gtk.SELECTION_MULTIPLE)
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def changeValueButtonToggledCB (self, tb):
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self.newValueComboBoxEntry.set_sensitive(True)
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self.newValueComboBoxEntry.set_sensitive(False)
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def treeViewSelectionChanged (self, tvSelection):
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vals = self.get_selected_values(tvSelection)
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if len(vals) == 1: val_string = vals[0]
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elif len(vals) == 2: val_string = ' or '.join(vals)
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val_string = ' or '.join([', '.join(vals[:-1]),vals[-1]])
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self.forEachLabel.set_text(_('For each selected value'))
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self.val_string = val_string
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self.forEachLabel.set_text(
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_('Where %(field)s is %(value)s')%{'value':val_string,
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self.valueDialog.set_response_sensitive(gtk.RESPONSE_APPLY,(vals and True or False))
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def fieldChangedCB (self, combobox):
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name = cb.cb_get_active_text(combobox)
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self.field = gglobals.NAME_TO_ATTR[name]
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self.populate_treeview()
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other_fields = self.fields[:]
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if self.field != 'category':
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other_fields.remove(gglobals.REC_ATTR_DIC[self.field])
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cb.set_model_from_list(
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self.otherFieldCombo,
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def otherFieldComboChangedCB (self, combobox):
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name = cb.cb_get_active_text(combobox)
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self.other_field = gglobals.NAME_TO_ATTR[name]
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if self.other_field == 'category':
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self.otherValueBlurbLabel.hide()
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self.otherValueBlurbLabel.show()
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mod = self.make_model_for_field(self.other_field)
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self.otherNewValueComboBoxEntry.set_model(mod)
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if self.otherNewValueComboBoxEntry.get_text_column()==-1:
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self.otherNewValueComboBoxEntry.set_text_column(0)
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self.otherNewValueEntryCompletion.set_model(mod)
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self.otherNewValueEntryCompletion.set_text_column(0)
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def populate_treeview (self):
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"""Assume that self.field is set"""
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mod = self.make_model_for_field(self.field)
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self.treeview.set_model(mod)
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self.newValueComboBoxEntry.set_model(mod)
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if self.newValueComboBoxEntry.get_text_column()==-1:
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self.newValueComboBoxEntry.set_text_column(0)
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self.newValueEntryCompletion.set_model(mod)
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self.newValueEntryCompletion.set_text_column(0)
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def make_model_for_field (self, field):
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vals = self.rd.get_unique_values(field)
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mod = gtk.ListStore(str)
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for v in vals: mod.append((v,))
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def run (self): return self.valueDialog.run()
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def show (self): return self.valueDialog.show()
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def hide (self): return self.valueDialog.hide()
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def dialog_response_cb (self, dialog, response_id):
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if response_id == gtk.RESPONSE_CLOSE:
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self.valueDialog.hide()
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if response_id == gtk.RESPONSE_APPLY:
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criteria,table = self.get_criteria_and_table()
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count = self.rd.fetch_len(table,**criteria)
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count_text = ngettext('Change will affect %s recipe',
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'Change will affect %s recipes',
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if self.deleteValueButton.get_active():
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label = _('Delete %s where it is %s?')%(self.field,self.val_string)
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yes = gtk.STOCK_DELETE
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label = _('Change %s from %s to "%s"?')%(self.field,self.val_string,
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self.newValueEntry.get_text())
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if de.getBoolean(label=label,
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sublabel='\n\n'.join([
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_('<i>This change is not reversable.</i>')
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custom_no=gtk.STOCK_CANCEL,
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self.apply_changes(criteria,table)
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self.populate_treeview()
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def otherChangeToggleCB (self, widg):
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if widg!=self.otherChangeCheckButton:
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self.otherChangeCheckButton.activate()
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if self.otherChangeCheckButton.get_active():
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self.otherExpander.set_expanded(True)
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self.otherExpander.set_expanded(False)
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def get_changes (self):
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if self.deleteValueButton.get_active():
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elif self.changeValueButton.get_active():
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value = self.newValueEntry.get_text()
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return {self.field:value}
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def get_other_changes (self):
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if self.otherChangeCheckButton.get_active():
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return {self.other_field:self.otherNewValueEntry.get_text()}
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def get_selected_values (self, ts=None):
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ts = self.treeview.get_selection()
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mod,paths = ts.get_selected_rows()
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mod.get_value(mod.get_iter(p),0)
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def get_criteria_and_table (self):
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values = self.get_selected_values()
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criteria = {self.field:('==',('or',values))}
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criteria = {self.field:values[0]}
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if self.field == 'category':
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table = self.rd.categories_table
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table = self.rd.recipe_table
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return criteria,table
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def apply_changes (self, criteria, table):
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changes = self.get_changes()
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other_changes = self.get_other_changes()
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if self.field != 'category' and self.other_field != 'category':
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changes.update(other_changes)
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if self.other_field == 'category':
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# Inefficient, but works with our current backend
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# interface... and shouldn't be called often, so we'll
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# deal with the ugliness for now
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for r in self.rd.fetch_all(self.rd.recipe_table,**criteria):
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if not self.rd.fetch_one(self.rd.categories_table,{'id':r.id}):
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self.rd.do_add_cat({'id':r.id,'category':other_changes['category']})
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if self.field=='category':
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IDs = [r.id for r in self.rd.fetch_all(self.rd.categories_table,**criteria)]
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new_criteria = {'id':('==',('or',IDs))}
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self.rd.update_by_criteria(
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self.rd.recipe_table,
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self.rd.update_by_criteria(
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self.rd.recipe_table,
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if self.field=='category' and not changes['category']:
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self.rd.delete_by_criteria(table,criteria)
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if self.field=='category':
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table = self.rd.categories_table
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table = self.rd.recipe_table
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self.rd.update_by_criteria(table,criteria,changes)
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self.rg.reset_search()
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if __name__ == '__main__':
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rm = recipeManager.default_rec_manager()
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def reset_search (): pass
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b = gtk.Button('edit me now')
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w.add(b); w.show_all()
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ve = ValueEditor(rm,DummyRG())
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b.connect('clicked',lambda *args: ve.run())
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w.connect('delete-event',gtk.main_quit)
added
removed
src/lib/valueEditor.py
