2 files changed, 23 insertions, 2 deletions
diff --git a/seriestreewidget.cpp b/seriestreewidget.cpp
index 553a534..9850138 100644
--- a/seriestreewidget.cpp
+++ b/seriestreewidget.cpp
@@ -38,7 +38,7 @@ SeriesTreeWidget::SeriesTreeWidget(QWidget *parent) : QWidget(parent){
 
 	//the view
 	mView = new SeriesTreeView;
-	mProxy = new QSortFilterProxyModel;
+	mProxy = new SeriesTreeSortModel(this);
 	mModel = SmUberModelSingleton::instance()->seriesModel();
 	mProxy->setSourceModel(mModel);
 	mView->setModel(mProxy);
@@ -150,3 +150,12 @@ void SeriesTreeView::contextMenuEvent(QContextMenuEvent *e){
 	}
 	contextMenu.exec(e->globalPos());
 }
+
+SeriesTreeSortModel::SeriesTreeSortModel(QObject *parent) : QSortFilterProxyModel(parent) {}
+
+bool SeriesTreeSortModel::lessThan(const QModelIndex &left, const QModelIndex &right) const{
+	if(left.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::Part && right.data(SeriesTreeModel::TypeRole).toInt() == SeriesTreeModel::Part){
+		return left.data(SeriesTreeModel::SeriesPartRole).toInt() < right.data(SeriesTreeModel::SeriesPartRole).toInt();
+	}
+	return QSortFilterProxyModel::lessThan(left, right);
+}
diff --git a/seriestreewidget.h b/seriestreewidget.h
index 4f23afb..38c111f 100644
--- a/seriestreewidget.h
+++ b/seriestreewidget.h
@@ -10,12 +10,14 @@
 
 #include <QWidget>
 #include <QTreeView>
+#include <QSortFilterProxyModel>
 
 class QLineEdit;
 class QPushButton;
 class QSortFilterProxyModel;
 class SeriesTreeModel;
 class SeriesTreeView;
+class SeriesTreeSortModel;
 
 class SeriesTreeWidget : public QWidget {
 	Q_OBJECT
@@ -35,7 +37,7 @@ class SeriesTreeWidget : public QWidget {
 		QLineEdit *mFilterEdit;
 		QPushButton *mFilter;
 		SeriesTreeView *mView;
-		QSortFilterProxyModel *mProxy;
+		SeriesTreeSortModel *mProxy;
 		SeriesTreeModel *mModel;
 };
 
@@ -48,4 +50,14 @@ class SeriesTreeView : public QTreeView {
 		virtual void contextMenuEvent(QContextMenuEvent *e);
 };
 
+class SeriesTreeSortModel : public QSortFilterProxyModel {
+	Q_OBJECT
+	public:
+		SeriesTreeSortModel(QObject *parent = 0);
+		~SeriesTreeSortModel() {}
+
+	protected:
+		virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
+};
+
 #endif