def index(self, row, column, parent):
""" Returns the index of the item in the model specified by the given row, column and parent index.
row, column == int, parent == QModelIndex
"""
if not self.hasIndex(row, column, parent):
return QtCore.QModelIndex()
if not parent.isValid():
parentItem = self.root
else:
# So, here we go from QModelIndex to the actual object .. ?
parentItem = parent.internalPointer()
# the only place where a child item is queried
childItem = parentItem.getChild(row)
if childItem:
# return self.createIndex(row, column)
return self.createIndex(row, column, childItem)
"""
# .. that one does not work for PySide 5.12+
TypeError: 'PyQt5.QtCore.QAbstractItemModel.createIndex' called with wrong argument types:
PyQt5.QtCore.QAbstractItemModel.createIndex(int, int, ServerListItem)
Supported signatures:
PyQt5.QtCore.QAbstractItemModel.createIndex(int, int, quintptr = 0)
PyQt5.QtCore.QAbstractItemModel.createIndex(int, int, void = nullptr)
"""
else:
return QtCore.QModelIndex()
def parent(self, index):
""" Returns the parent of the model item with the given index. If the item has no parent, an invalid QModelIndex is returned.
"""
if not index.isValid():
return QtCore.QModelIndex()
childItem = index.internalPointer()
# the only place where the parent item is queried
parentItem = childItem.getParent()
if parentItem == self.root:
return QtCore.QModelIndex()
return self.createIndex(parentItem.row(), 0, parentItem)
