WOrk on correct expand after filtered in.

src/core/feedsproxymodel.cpp

@@ -28,7 +28,7 @@
 
 
 FeedsProxyModel::FeedsProxyModel(QObject *parent)
-  : QSortFilterProxyModel(parent), m_selectedItem(NULL), m_showUnreadOnly(false) {
+  : QSortFilterProxyModel(parent), m_selectedItem(NULL), m_showUnreadOnly(false), m_hiddenIndices(QList<QPair<int,QModelIndex> >()) {
   m_sourceModel = new FeedsModel(this);
 
   setObjectName(QSL("FeedsProxyModel"));
@@ -183,6 +183,22 @@ bool FeedsProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right
 }
 
 bool FeedsProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
+  bool should_show = filterAcceptsRowInternal(source_row, source_parent);
+
+  if (should_show && m_hiddenIndices.contains(QPair<int,QModelIndex>(source_row, source_parent))) {
+    // TODO: dodělat
+
+    m_hiddenIndices.removeAll(QPair<int,QModelIndex>(source_row, source_parent));
+
+    // Load status.
+    emit expandAfterFilterIn(m_sourceModel->index(source_row, 0, source_parent));
+  }
+
+
+  return should_show;
+}
+
+bool FeedsProxyModel::filterAcceptsRowInternal(int source_row, const QModelIndex &source_parent) const {
   if (!m_showUnreadOnly) {
     return QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent);
   }

src/core/feedsproxymodel.h

@@ -56,15 +56,20 @@ class FeedsProxyModel : public QSortFilterProxyModel {
   private slots:
     void invalidateFilter();
 
+  signals:
+    void expandAfterFilterIn(const QModelIndex &idx);
+
   private:
     // Compares two rows of data.
     bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
     bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
+    bool filterAcceptsRowInternal(int source_row, const QModelIndex &source_parent) const;
 
     // Source model pointer.
     FeedsModel *m_sourceModel;
     const RootItem *m_selectedItem;
     bool m_showUnreadOnly;
+    QList<QPair<int,QModelIndex> > m_hiddenIndices;
 };
 
 #endif // FEEDSPROXYMODEL_H

src/gui/feedsview.cpp

@@ -60,6 +60,10 @@ FeedsView::FeedsView(QWidget *parent)
   connect(m_sourceModel, SIGNAL(itemExpandStateSaveRequested(RootItem*)), this, SLOT(onItemExpandStateSaveRequested(RootItem*)));
   connect(header(), SIGNAL(sortIndicatorChanged(int,Qt::SortOrder)), this, SLOT(saveSortState(int,Qt::SortOrder)));
 
+  connect(m_proxyModel, &FeedsProxyModel::expandAfterFilterIn, [=](const QModelIndex &idx) {
+
+  });
+
   setModel(m_proxyModel);
   setupAppearance();
 }