> On May 18, 2021, at 09:11, Christian Stenger <christian.sten...@qt.io> wrote: > > seems like this is provided only for QAbstractItemModel based classes.. I'd > say this is wrong and will be fixed. >
https://codereview.qt-project.org/c/qt-creator/qt-creator/+/349648 > BR, > Christian > > ________________________________________ > From: Qt-creator <qt-creator-boun...@qt-project.org> on behalf of Murphy, > Sean <sean.mur...@centauricorp.com> > Sent: Wednesday, May 12, 2021 3:58 PM > To: Qt-creator@qt-project.org > Subject: [Qt-creator] Question about "Fetch data dynamically" option in new > file wizard > > I'm creating a model class for a large table, so I would like to use lazy > loading. > > 1. In Qt Creator, I right-click my project and select the "Add New..." option. > 2. In the new file creation wizard that pops up, I select the "Qt" option from > the "Files and Classes" list, and then select the "Qt Item Model", then > pressed > the "Choose..." button. > 3. On the next page, I enter my desired class name, select > "QAbstractTableModel" > as the base class and then ensure the "Customize header row" and > "Fetch data dynamically" checkboxes are checked. > 4. I then completed the remaining steps in the wizard. > > In the resulting class's header file, I only ended up with these functions > defined for me: > explicit viewRawDataTableModel(QObject *parent = nullptr); > QVariant headerData(int section, Qt::Orientation orientation, int role = > Qt::DisplayRole) const override; > int rowCount(const QModelIndex &parent = QModelIndex()) const override; > int columnCount(const QModelIndex &parent = QModelIndex()) const override; > QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const > override; > > I kind of expected that in addition to those functions above, the process > would have also added functions like: > virtual bool canFetchMore(const QModelIndex &parent) const; > virtual void fetchMore(const QModelIndex &parent); > > Is this a bug, or am I just misunderstanding what that "Fetch data > dynamically" checkbox > is supposed to do when generating a new class? > > Qt Creator 4.14.2 > > Sean > > _______________________________________________ > Qt-creator mailing list > Qt-creator@qt-project.org > https://lists.qt-project.org/listinfo/qt-creator > _______________________________________________ > Qt-creator mailing list > Qt-creator@qt-project.org > https://lists.qt-project.org/listinfo/qt-creator -- Eike Ziller Principal Software Engineer The Qt Company GmbH Erich-Thilo-Straße 10 D-12489 Berlin eike.zil...@qt.io http://qt.io Geschäftsführer: Mika Pälsi, Juha Varelius, Jouni Lintunen Sitz der Gesellschaft: Berlin, Registergericht: Amtsgericht Charlottenburg, HRB 144331 B _______________________________________________ Qt-creator mailing list Qt-creator@qt-project.org https://lists.qt-project.org/listinfo/qt-creator
