prepare for insert functions impelementation

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@3918 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 18 insertions, 0 deletions

diff --git a/src/qmmpui/groupedcontainer.cpp b/src/qmmpui/groupedcontainer.cpp
index 73d7fe3a6..4a6bc4019 100644
--- a/src/qmmpui/groupedcontainer.cpp
+++ b/src/qmmpui/groupedcontainer.cpp
@@ -68,6 +68,24 @@ void GroupedContainer::addTrack(PlayListTrack *track)
     addGroup(group);
 }
 
+void GroupedContainer::insertTrack(int index, PlayListTrack *track)
+{
+    //insert if possible
+    foreach(PlayListGroup *group, m_groups)
+    {
+        if(track->groupName() == group->formattedTitle() &&
+                index > group->firstIndex && index <= group->lastIndex + 1)
+        {
+            group->insertTrack(index - group->firstIndex - 1, track);
+            m_items.insert(index, track);
+            updateIndex();
+            return;
+        }
+    }
+    //just add otherwise
+    addTrack(track);
+}
+
 QList<PlayListGroup *> GroupedContainer::groups()
 {
     return m_groups;