def onSavePressed(self):
tmp = tempfile.mkstemp(suffix=".json")[-1]
file = QtCore.QFile(tmp)
file.open(QtCore.QIODevice.WriteOnly)
stream = QtCore.QDataStream(file)
model = self.view.model()
self.saveModel(model.invisibleRootItem(), stream)
file.close()
self.statusBar().showMessage("File saved: {}".format(tmp))
def mimeData(self, indexes):
mimedata = QtCore.QMimeData()
encoded_data = QtCore.QByteArray()
stream = QtCore.QDataStream(encoded_data, QtCore.QIODevice.WriteOnly)
for index in indexes:
if index.isValid():
text = self.data(index, 0)
stream << QtCore.QByteArray(text.encode("utf-8"))
mimedata.setData("application/vnd.treeviewdragdrop.list", encoded_data)
return mimedata
def mimeData(self, indices):
#print("Generate mime Data - len:"+str(len(indices)),flush=True)
mimeData = QtCore.QMimeData()
encodedData = QtCore.QByteArray()
if len(indices) != 1:
return None
stream = QtCore.QDataStream(encodedData, QtCore.QIODevice.WriteOnly)
index=indices[0]
item = index.internalPointer()
#data=str(id(item))#ukazatel
data="AHOJ"
self._dragFrom=index
mimeData.setData("application/pou.cz", bytes(data, 'utf-8'))
mimeData.setText(data)
return mimeData
def dropMimeData(self, data, action, row, column, parent):
if action == QtCore.Qt.IgnoreAction:
return True
if not data.hasFormat("application/vnd.treeviewdragdrop.list"):
return False
if column > 0:
return False
num_rows = self.rowCount(QtCore.QModelIndex())
if num_rows <= 0:
return False
if row < 0:
if parent.isValid():
row = parent.row()
else:
return False
encoded_data = data.data("application/vnd.treeviewdragdrop.list")
stream = QtCore.QDataStream(encoded_data, QtCore.QIODevice.ReadOnly)
new_items = []
rows = 0
while not stream.atEnd():
text = QtCore.QByteArray()
stream >> text
text = bytes(text).decode("utf-8")
index = self.nodes.index(text)
new_items.append((text, index))
rows += 1
self.lastDroppedItems = []
for (text, index) in new_items:
target_row = row
if index < row:
target_row += 1
self.beginInsertRows(QtCore.QModelIndex(), target_row, target_row)
self.nodes.insert(target_row, text)
self.endInsertRows()
self.lastDroppedItems.append(text)
row += 1
self.pendingRemoveRowsAfterDrop = True
return True