Don't trigger assert when switching to details-view

[dolphin.git] / src / kitemviews / kitemlistview.cpp

diff --git a/src/kitemviews/kitemlistview.cpp b/src/kitemviews/kitemlistview.cpp
index bee2f3d6a4ba80afd3b2a652d312155828e355df..372726954ffc41fe1c86a2ce423d34b0fae7de8f 100644 (file)
--- a/src/kitemviews/kitemlistview.cpp
+++ b/src/kitemviews/kitemlistview.cpp
@@ -54,6 +54,7 @@ KItemListView::KItemListView(QGraphicsWidget* parent) :
     QGraphicsWidget(parent),
     m_enabledSelectionToggles(false),
     m_grouped(false),
+    m_supportsItemExpanding(false),
     m_activeTransactions(0),
     m_endTransactionAnimationHint(Animation),
     m_itemSize(),
@@ -503,7 +504,7 @@ QHash<QByteArray, QSizeF> KItemListView::visibleRolesSizes(const KItemRangeList&
 
 bool KItemListView::supportsItemExpanding() const
 {
-    return false;
+    return m_supportsItemExpanding;
 }
 
 QRectF KItemListView::itemRect(int index) const
@@ -767,6 +768,14 @@ QList<KItemListWidget*> KItemListView::visibleItemListWidgets() const
     return m_visibleItems.values();
 }
 
+void KItemListView::setSupportsItemExpanding(bool supportsExpanding)
+{
+    if (m_supportsItemExpanding != supportsExpanding) {
+        m_supportsItemExpanding = supportsExpanding;
+        updateSiblingsInformation();
+    }
+}
+
 void KItemListView::slotItemsInserted(const KItemRangeList& itemRanges)
 {
     updateVisibleRolesSizes(itemRanges);