fixed 'index out of range' warning

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@6710 90c681e8-e032-0410-971d-27865f9a5e38

3 files changed, 11 insertions, 0 deletions

diff --git a/src/qmmpui/playlistmanager.cpp b/src/qmmpui/playlistmanager.cpp
index 26a3c828c..524a7e2fd 100644
--- a/src/qmmpui/playlistmanager.cpp
+++ b/src/qmmpui/playlistmanager.cpp
@@ -338,6 +338,8 @@ void PlayListManager::writePlayLists()
     tmpFile.write(QString("current_playlist=%1\n").arg(m_models.indexOf(m_current)).toUtf8());
     foreach(PlayListModel *model, m_models)
     {
+        if(model->isEmpty())
+            continue;
         QList<PlayListItem *> items = model->items();
         tmpFile.write(QString("playlist=%1\n").arg(model->name()).toUtf8());
         tmpFile.write(QString("current=%1\n").arg(model->indexOfTrack(model->currentIndex())).toUtf8());
diff --git a/src/qmmpui/playlistmodel.cpp b/src/qmmpui/playlistmodel.cpp
index bc0d057a8..dd4cec525 100644
--- a/src/qmmpui/playlistmodel.cpp
+++ b/src/qmmpui/playlistmodel.cpp
@@ -276,6 +276,11 @@ int PlayListModel::trackCount() const
     return m_container->trackCount();
 }
 
+bool PlayListModel::isEmpty() const
+{
+    return m_container->isEmpty();
+}
+
 int PlayListModel::columnCount() const
 {
     return MetaDataHelper::instance()->columnCount();
diff --git a/src/qmmpui/playlistmodel.h b/src/qmmpui/playlistmodel.h
index 7fa6753c9..68ecaee16 100644
--- a/src/qmmpui/playlistmodel.h
+++ b/src/qmmpui/playlistmodel.h
@@ -128,6 +128,10 @@ public:
      */
     int trackCount() const;
     /*!
+     * Returns \b true if the model contains no tracks; otherwise returns \b false.
+     */
+    bool isEmpty() const;
+    /*!
      * Returns number of columns.
      */
     int columnCount() const;