added PlayListModel::removeTracks function

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@8865 90c681e8-e032-0410-971d-27865f9a5e38

2 files changed, 49 insertions, 2 deletions

diff --git a/src/qmmpui/playlistmodel.cpp b/src/qmmpui/playlistmodel.cpp
index 801df63cc..31add1f6f 100644
--- a/src/qmmpui/playlistmodel.cpp
+++ b/src/qmmpui/playlistmodel.cpp
@@ -511,6 +511,51 @@ void PlayListModel::removeTrack (PlayListItem *track)
         removeTrack (m_container->indexOf(track));
 }
 
+void PlayListModel::removeTracks(const QList<PlayListItem *> &items)
+{
+    int i = 0;
+    int select_after_delete = -1;
+    int flags = 0;
+
+    while (!m_container->isEmpty() && i < m_container->count())
+    {
+        PlayListItem *item = m_container->item(i);
+        if (!item->isGroup() && items.contains(item))
+        {
+            flags |= removeTrackInternal(i);
+
+            if(m_container->isEmpty())
+                continue;
+
+            select_after_delete = i;
+        }
+        else
+            i++;
+    }
+
+    select_after_delete = qMin(select_after_delete, m_container->count() - 1);
+
+    if(select_after_delete >= 0)
+    {
+        m_container->setSelected(select_after_delete, true);
+        flags |= SELECTION;
+    }
+
+    m_play_state->prepare();
+
+    if(flags)
+        emit listChanged(flags);
+}
+
+void PlayListModel::removeTracks(const QList<PlayListTrack *> &tracks)
+{
+    QList<PlayListItem *> items;
+    for(PlayListTrack *track : tracks)
+        items << dynamic_cast<PlayListItem *>(track);
+
+    removeTracks(items);
+}
+
 void PlayListModel::removeSelection(bool inverted)
 {
     int i = 0;
diff --git a/src/qmmpui/playlistmodel.h b/src/qmmpui/playlistmodel.h
index 1b7ebc68e..f5fc6e9c6 100644
--- a/src/qmmpui/playlistmodel.h
+++ b/src/qmmpui/playlistmodel.h
@@ -463,11 +463,13 @@ public slots:
     /*!
      * Removes items with \b i index.
      */
-    void removeTrack (int i);
+    void removeTrack(int i);
     /*!
      * Removes item \b item from playlist
      */
-    void removeTrack (PlayListItem *track);
+    void removeTrack(PlayListItem *track);
+    void removeTracks(const QList<PlayListItem *> &items);
+    void removeTracks(const QList<PlayListTrack *> &tracks);
     /*!
      * Inverts selection (selects unselected items and unselects selected items)
      */