def eventFilter(self, obj: QObject, event: QEvent):
""" Implementation of QObject::eventFilter()
Intercept drag-and-drop events before they are passed to the QTableWidget.
In response to the drop of a text (.txt or .csv) file, opens that file.
@param obj: the "watched object" that events are intercepted from (self in our case)
@param event: the event
@return: whether the event is accepted or rejected for further processing.
"""
if event.type() == QEvent.Drop:
event.accept()
mime = event.mimeData()
if mime.hasText():
file_path = mime.text()
if file_path.endswith('.txt') or file_path.endswith('.csv'):
file_path = file_path.replace('file:///', '')
with open(file_path) as reader:
rows = reader.readlines()
if rows:
self.set_row_data(rows)
self.parent.setWindowTitle(os.path.basename(file_path))
return True
elif event.type() == QEvent.DragEnter:
event.accept()
return True
return False
def dropEvent(self, event: QtCore.QEvent) -> None:
"""Event is called after dragEnterEvent."""
for url in event.mimeData().urls(): # pragma: no cover
self.url = url
filename = self.url.path()
if os.path.isfile(filename):
try:
self.add_mesh(pyvista.read(filename))
except IOError as exception:
print(str(exception))
return None
