def check_out(self, undolist=[]):
# TOOD: make sure we are finished with editing the treeview
ul = UndoList().describe("Set Line Property")
model = self.treeview.get_model()
model_lines = []
def get_column(column, default=None):
"""
Returns the value of the specified column from the model, or if
it is an empty string, returns the default value given.
"""
rv = model.get_value(treeiter, column)
if isinstance(rv, basestring) and len(rv) == 0:
return default
else:
return rv
n=0
treeiter = model.get_iter_first()
while treeiter:
# Is this row an existing line or a new one?
line = model.get_value(treeiter, self.COL_LINE)
if line in self.layer.lines:
# existing line
source_key = model.get_value(treeiter, self.COL_SOURCE_KEY)
if not source_key:
source = None
else:
source = self.app.project.get_dataset(source_key, default=None)
uwrap.smart_set(line,
'visible', get_column(self.COL_VISIBLE),
'label', get_column(self.COL_LABEL),
'style', get_column(self.COL_STYLE),
'marker', get_column(self.COL_MARKER),
'width', get_column(self.COL_WIDTH),
'source', source,
'cx', get_column(self.COL_CX),
'cy', get_column(self.COL_CY),
'row_first', get_column(self.COL_ROW_FIRST),
'row_last', get_column(self.COL_ROW_LAST),
'cxerr', get_column(self.COL_CXERR),
'cyerr', get_column(self.COL_CYERR),
undolist=ul)
else:
ulist.append( self.layer.lines, line, undolist=ul )
model_lines.append(line)
treeiter = model.iter_next(treeiter)
n+=1
# now we need to check if we have removed any lines
for line in self.layer.lines:
if line not in model_lines:
ulist.remove( self.layer.lines, line, undolist=ul)
undolist.append(ul)
def action_DeleteLine(self, action):
logger.debug("action: DeleteLine")
model, pathlist = self.popup_info
for path in pathlist:
line = model.get_value(model.get_iter(path), 0)
layer = self.find_parent(model, path, objects.Layer)
ul = UndoList("Remove Line")
ulist.remove(layer.lines, line, undolist=ul)
globals.app.project.journal.append(ul)
def on_remove(self, sender):
(model, pathlist) = self.treeview.get_selection().get_selected_rows()
if model is None:
return
project = self.get_data("project")
label = model.get_value(model.get_iter(pathlist[0]), 0)
ul = UndoList().describe("Remove label.")
ulist.remove(self.layer.labels, label, undolist=ul)
uwrap.emit_last(self.layer, "notify::labels", updateinfo={"remove": label}, undolist=ul)
project.journal.append(ul)
