def _on_apply1(self):
it = self._treemodel.get_iter_first()
just_modified = []
while it is not None:
nextit = self._treemodel.iter_next(it)
if nextit is None:
it = nextit
continue
if self._treemodel[it][1] is not None:
# if there are some changes, self._treemodel[it][1] is a list of the names
# of the affected fields.
new_just_modified = []
# now go through the affected fields, ignoring those which were modified
# only during the previous iteration.
for fn in [x for x in self._treemodel[it][1] if x not in just_modified]:
if (self._treemodel[nextit][1] is None) or (fn not in self._treemodel[nextit][1]):
# if this field is not yet changed in the next row, add this fieldname to the skip list
# of the next iteration. We thus avoid to propagate the change more than one times.
new_just_modified.append(fn)
# get the treeview column.
self._on_cell_edited([c for c in self._treeview.get_columns() if c.get_title() == fn][0].get_cells()[0],
self._treemodel.get_path(nextit),
SASHeaderField.get_instance(fn).tostring(self._treemodel[it][0][fn]), fn, True)
just_modified = new_just_modified
it = nextit
def _on_cell_edited(self, cellrenderer, path, newtext, fieldname, force_edit=False):
shf = SASHeaderField.get_instance(fieldname)
newvalue = shf.fromstring(newtext)
if (self._treemodel[path][0][fieldname] == newvalue) and not force_edit:
return True
self._treemodel[path][0][fieldname] = newvalue
if self._treemodel[path][1] is None:
self._treemodel[path][1] = []
self._treemodel[path][1].append(fieldname)
self._cell_datafunction([c for c in self._treeview.get_columns() if c.get_title() == fieldname][0], cellrenderer, self._treemodel, self._treemodel.get_iter(path), shf)
self._apply1_button.set_sensitive(True)
self._applyall_button.set_sensitive(True)
self._commit_button.set_sensitive(True)
self._forget_button.set_sensitive(True)
def _update_treeview(self):
for col in self._treeview.get_columns()[:]:
self._treeview.remove_column(col)
if hasattr(self, '_renderer_connections'):
for cr, conn in self._renderer_connections:
cr.disconnect(conn)
del self._renderer_connections
self._renderer_connections = []
for fn in self._fieldnames:
cr = Gtk.CellRendererText()
cr.set_property('editable', True)
self._renderer_connections.append((cr, cr.connect('edited', self._on_cell_edited, fn)))
shf = SASHeaderField.get_instance(fn)
tvc = Gtk.TreeViewColumn(shf.fieldname, cr)
tvc.set_cell_data_func(cr, self._cell_datafunction, shf)
self._treeview.append_column(tvc)
def set_visible_fields(self, fieldslist):
self._treemodel.clear()
for shf in [SASHeaderField.get_instance(fn) for fn in fieldslist]:
self._treemodel.append((True, shf.fieldname, shf.mnemonic))
for shf in [shf for shf in SASHeaderField._allknownfields if shf.fieldname not in fieldslist]:
self._treemodel.append((False, shf.fieldname, shf.mnemonic))
def _validate_column_names(self, *names):
try:
[SASHeaderField.get_instance(n) for n in names]
except ValueError as ve:
raise ve
def _on_applyall(self):
it = self._treemodel.get_iter_first()
alreadydone = []
while it is not None:
nextit = self._treemodel.iter_next(it)
if nextit is None:
it = nextit
continue
if self._treemodel[it][1] is not None:
for fn in [n for n in self._treemodel[it][1] if n not in alreadydone]:
ni = nextit
while ni is not None:
tvc = [c for c in self._treeview.get_columns() if c.get_title() == fn][0]
self._on_cell_edited(tvc.get_cells()[0], self._treemodel.get_path(ni), SASHeaderField.get_instance(fn).tostring(self._treemodel[it][0][fn]), fn, True)
ni = self._treemodel.iter_next(ni)
alreadydone.append(fn)
it = nextit