Dear list,
I'm having problems using QFileSystemModel in QML.
Take the following example code:
// QQmlEngine* engine
QFileSystemModel* fsm = new QFileSystemModel(engine);
QModelIndex root = fsm->setRootPath("C:/Qt");
engine->rootContext()->setContextProperty("fileSystemModel", fsm);
Now, using for example a QTreeView, one could set the root by using
``QTreeWidget::setRootIndex(root)`` to filter everything above the root
level. But suppose I'd like to use the model in QML, e.g. in a TreeView
QML component which doesn't have a setRoot() property.
I tried using a QSortFilterProxyModel like so:
QSortFilterProxyModel * proxy = new QSortFilterProxyModel ();
proxy->setSourceModel(fsm);
proxy->setFilterRole(QFileSystemModel::FilePathRole);
proxy->setFilterFixedString("C:/Qt");
engine->rootContext()->setContextProperty("imageListModel", proxy);
which results in an empty list. I remember reading that elements get
filtered out if their parents get filtered out, which means in this
case that "C:/Qt" (and children) is filtered because its parent "C:/"
doesn't fit the filter.
What is the intended way filter QFileSystemModel in this case? I
couldn't find any documentation or examples even after extensive
google-ing.
Any hints would be really appreciated!
Best regards,
Julius
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