On Wed, 9 Jul 2008 22:39:27 -0700, Scott Frankel <[EMAIL PROTECTED]>
wrote:
>
> Hello,
>
> I just joined this list and am new to PyQt (and Qt). I've scanned the
> archives, but I'm not sure even what I'm looking for to answer my
> question.
>
> I'm looking over some C++ code, trying to rewrite it in Python. (My
> Spanish is much better than my C++!) I'm sub-classing and extending
> QDirModel and getting the following error:
>
> TypeError: first argument of unbound method QDirModel.data() must be
> a QDirModel instance
>
> The C++ methods are:
>
> virtual QVariant data(const QModelIndex &index, int role =
> Qt::DisplayRole) const
> {
> if (role == Qt::CheckStateRole && index.column() == 0) {
> return
> checkstates.value(fileInfo(index).absoluteFilePath(), Qt::Unchecked);
> }
> return QDirModel::data(index, role);
> }
>
>
> My translation so far looks like this:
>
>
> [ ... ]
> class DirModel(QtGui.QDirModel):
> def data(self, index, role=QtCore.Qt.DisplayRole):
> if (role == QtCore.Qt.CheckStateRole and index.column() == 0):
> return
> checkstates.value(fileInfo(index).absoluteFilePath(),
> QtCore.Qt.Unchecked)
> return QtGui.QDirModel.data(index, role)
> [ ... ]
>
>
> Not sure how to make the first argument (index or self?) be a
> QDirModel instance. Ultimately I'm hoping for a directory tree with
> check boxes.
>
> Suggestions?
When using an unbound method (including __init__()) you must explicitly
pass self. So...
return QtGui.QDirModel.data(self, index, role)
Phil
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