def undo_remove(self, data):
ind, pos = data
print 'undoing removal of dataset, index %d, position %d' % (ind, pos)
dataset = Dataset(self, ind)
dataset.id = dataset.id[1:]
self.on_dataset_modified(dataset)
self.datasets.insert(pos, dataset)
dataset.connect('modified', self.on_dataset_modified)
self.emit('add-dataset', dataset)
self.redraw(True)
def add(self, state, x, y):
ind = self.data.datasets.append(worksheet=x.worksheet.id, id=create_id(),
x=x.name.encode('utf-8'), y=y.name.encode('utf-8'))
d = Dataset(self, ind)
self.datasets.append(d)
pos = len(self.datasets)-1
# print 'added dataset, index %d, position %d' % (ind, pos)
d.connect('modified', self.on_dataset_modified)
d.connect_signals()
self.on_dataset_modified(d)
self.emit('add-dataset', d)
state['obj'] = d
return pos
