Problems with QSortFilterProxyModel

[Nefastious]

I'm sorry I'm going to ask this I'll probably make you all very angry at me for being such a rookie... but the following code:

index = proxyModel->mapToSource(proxyModel->index());

index = proxyModel->mapToSource(proxyModel->index());

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just doesn't work. I get an error(/Users/k12yp70n/MedCare/MedAdmin/mainw.cpp:229: error: no matching function for call to 'QSortFilterProxyModel::index()'). I don't know what I am doing wrong. Please correct me but, find a solution having in mind the code I initially posted.

Thank you... and sorry for being such a newbie...

[Lykurg]

What do you expect to get by "proxyModel->index()"? the selected indices you get by the selection model how you have written in your example code. And by the way: Have you written it by yourself or just copy and pasted id? Have you tried my suggestion with your code? (supposing you have set the proxy model...)

[Nefastious]

terribly sorry sir... i didn't read your post...

Now that I have tried the code:

rows.append( ui->View->model()->mapToSource(index).row() )

rows.append( ui->View->model()->mapToSource(index).row() )

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;

my compiler tells me that model has no member named mapToSource...

Again what am I doing wrong?

And once again please accept my apologies for having failed to read your post, and, I must sincerely thank you for all of your wisdom, knowledge, support and patience.

[squidge]

Doesn't model() return a QAbstractItemModel, whereas you want a QAbstractProxyModel to get mapToSource? QAbstractProxyModel inherits from QAbstractItemModel, so...

QAbstractProxyModel *q = dynamic_cast<QAbstractProxyModel*>(ui->View->model());
if (q) q->mapToSource(...)
else q isn't a valid pointer to a QAbstractProxyModel

QAbstractProxyModel *q = dynamic_cast<QAbstractProxyModel*>(ui->View->model());
if (q) q->mapToSource(...)
else q isn't a valid pointer to a QAbstractProxyModel

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Just a guess...

[Lykurg]

QAbstractProxyModel *q = dynamic_cast<QAbstractProxyModel*>(ui->View->model());

QAbstractProxyModel *q = dynamic_cast<QAbstractProxyModel*>(ui->View->model());

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Since the model includes QObject it is better to use qobject_cast since

The qobject_cast() function behaves similarly to the standard C++ dynamic_cast(), with the advantages that it doesn't require RTTI support and it works across dynamic library boundaries.

But in that case I would use static_cast.

[Lykurg]

my bad. You must cast ui->View->model() to QAbstractItemModel or it your be easier if you would store a pointer to the sort model as a member variable, e.g. m_sortModel.

EDIT: I'm too late, and yes, fatjuicymole, you are right.