def dropMimeData(self, mime: QMimeData, action, row: int, column: int,
parent: QModelIndex):
LOG.debug('dropMimeData at row {}'.format(row))
if action == Qt.IgnoreAction:
return True
if mime.hasFormat('text/uri-list'):
if mime.hasUrls():
LOG.debug('found urls in drop!')
for qurl in mime.urls():
LOG.debug(qurl.path())
if qurl.isLocalFile():
path = qurl.path()
self.doc.open_file(
path) # FIXME: replace with a signal
return True
elif mime.hasFormat(self._mimetype):
# unpickle the presentation information and re-insert it
# b = base64.decodebytes(mime.text())
b = mime.data(self._mimetype)
layer_set_len, insertion_info = pkl.loads(b)
LOG.debug('dropped: {0!r:s}'.format(insertion_info))
count = len(insertion_info)
if row == -1:
row = len(self.doc) # append
# FIXME: row=col=-1 implies drop-on-parent, which may mean replace or may mean append for composite layers
# self.insertRows(row, count)
# for i, presentation in enumerate(l):
# self.setData(self.index(row+i, 0), presentation)
order = list(range(layer_set_len))
inserted_row_numbers = []
# inserted_presentations = []
# delete_these_rows = []
insertion_point = row
uuids = []
for old_row, presentation in reversed(sorted(insertion_info)):
del order[old_row]
if old_row < insertion_point:
insertion_point -= 1
inserted_row_numbers.insert(0, old_row)
uuids.append(presentation.uuid)
# delete_these_rows.append(old_row if old_row<row else old_row+count)
# inserted_presentations.append(presentation)
order = order[:insertion_point] + inserted_row_numbers + order[
insertion_point:]
LOG.debug('new order after drop {0!r:s}'.format(order))
self.select([])
self.doc.reorder_by_indices(order)
# self.doc.insert_layer_prez(row, inserted_presentations)
# LOG.debug('after insertion removing rows {0!r:s}'.format(delete_these_rows))
# for exrow in delete_these_rows:
# self.doc.remove_layer_prez(exrow)
# self.doc.didReorderLayers.emit(order) # FUTURE: not our business to be emitting on behalf of the document
assert (count == len(insertion_info))
return True
return False
