Add tab for loop station

drumpadfilesmodel.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <array>
+
+#include <QAbstractTableModel>
+
+#include "drumpadpresets.h"
+
+namespace drumpad_presets { class Preset; class File; }
+
+class DrumPadFilesModel : public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    using QAbstractTableModel::QAbstractTableModel;
+    ~DrumPadFilesModel() override;
+
+    const drumpad_presets::File &getFile(const QModelIndex &index) const;
+    const drumpad_presets::File &getFile(int row) const;
+
+    void setPreset(const drumpad_presets::Preset &preset);
+
+    int rowCount(const QModelIndex &parent) const override;
+    int columnCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+private:
+    std::optional<std::array<drumpad_presets::File, 24>> m_files;
+};