Added random sort "easter egg" and added tooltip for the random sort

src/library/basesqltablemodel.cpp

@@ -163,6 +163,9 @@ QVariant BaseSqlTableModel::headerData(int section, Qt::Orientation orientation,
         return widthValue;
     } else if (role == TrackModel::kHeaderNameRole && orientation == Qt::Horizontal) {
         return m_headerInfo.value(section).value(role);
+    } else if (role == Qt::ToolTipRole && orientation == Qt::Horizontal) {
+        QVariant tooltip = m_headerInfo.value(section).value(role);
+        if (tooltip.isValid()) return tooltip;
     }
     return QAbstractTableModel::headerData(section, orientation, role);
 }

src/library/basesqltablemodel.h

@@ -51,7 +51,7 @@ class BaseSqlTableModel : public QAbstractTableModel, public TrackModel {
     void search(const QString& searchText, const QString& extraFilter = QString());
     void setSearch(const QString& searchText, const QString& extraFilter = QString());
     const QString currentSearch() const;
-    void setSort(int column, Qt::SortOrder order);
+    virtual void setSort(int column, Qt::SortOrder order);
     void hideTracks(const QModelIndexList& indices);
 
     int fieldIndex(ColumnCache::Column column) const;
@@ -95,6 +95,7 @@ class BaseSqlTableModel : public QAbstractTableModel, public TrackModel {
 
     QString m_previewDeckGroup;
     TrackId m_previewDeckTrackId;
+    QString m_tableOrderBy;
 
   private slots:
     virtual void tracksChanged(QSet<TrackId> trackIds);
@@ -157,7 +158,6 @@ class BaseSqlTableModel : public QAbstractTableModel, public TrackModel {
     QString m_currentSearchFilter;
     QVector<QHash<int, QVariant> > m_headerInfo;
     QString m_trackSourceOrderBy;
-    QString m_tableOrderBy;
     int m_trackSourceSortColumn;
     Qt::SortOrder m_trackSourceSortOrder;
 

src/library/librarytablemodel.cpp

@@ -46,6 +46,10 @@ void LibraryTableModel::setTableModel(int id) {
              m_pTrackCollection->getTrackSource());
     setSearch("");
     setDefaultSort(fieldIndex("artist"), Qt::AscendingOrder);
+
+    // Set tooltip for random sorting
+    int fi = fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_PREVIEW);
+    setHeaderData(fi, Qt::Horizontal, tr("Sort items randomly"), Qt::ToolTipRole);
 }
 
 
@@ -101,3 +105,12 @@ TrackModel::CapabilitiesFlags LibraryTableModel::getCapabilities() const {
             | TRACKMODELCAPS_CLEAR_BEATS
             | TRACKMODELCAPS_RESETPLAYED;
 }
+
+void LibraryTableModel::setSort(int column, Qt::SortOrder order) {
+    BaseSqlTableModel::setSort(column, order);
+
+    // Random sort easter egg, only in library view
+    if (column == fieldIndex(ColumnCache::COLUMN_LIBRARYTABLE_PREVIEW)) {
+        m_tableOrderBy = "ORDER BY RANDOM()";
+    }
+}

src/library/librarytablemodel.h

@@ -16,6 +16,8 @@ class LibraryTableModel : public BaseSqlTableModel {
     int addTracks(const QModelIndex& index, const QList<QString>& locations);
     TrackModel::CapabilitiesFlags getCapabilities() const;
     static const QString DEFAULT_LIBRARYFILTER;
+
+    void setSort(int column, Qt::SortOrder order) override;
 };
 
 #endif