Filter enabled folders using a krecursivefilterproxymodel

The KRecursiveFilterProxyModel is necessary until Qt 5.10 when
QSortFilterProxyModel will support recursive filtering.
For the recursive filtering to work we need to make all data available,
so we trigger fetchMore on all added indexes.

1 files changed, 3 insertions, 4 deletions

diff --git a/framework/src/domain/folderlistmodel.h b/framework/src/domain/folderlistmodel.h
index 0e412202..738cf4a0 100644
--- a/framework/src/domain/folderlistmodel.h
+++ b/framework/src/domain/folderlistmodel.h
@@ -20,16 +20,14 @@
 
 #pragma once
 
-#include <QObject>
-#include <QSortFilterProxyModel>
+#include <krecursivefilterproxymodel.h>
 #include <QSharedPointer>
-#include <QStringList>
 
 namespace Sink {
     class Query;
 }
 
-class FolderListModel : public QSortFilterProxyModel
+class FolderListModel : public KRecursiveFilterProxyModel
 {
     Q_OBJECT
 
@@ -69,6 +67,7 @@ public:
     QVariant folderId() const;
 protected:
     bool lessThan(const QModelIndex &left, const QModelIndex &right) const Q_DECL_OVERRIDE;
+    bool acceptRow(int sourceRow, const QModelIndex &sourceParent) const Q_DECL_OVERRIDE;
 
 private:
     void runQuery(const Sink::Query &query);