comparison data/model/ModelDataTableModel.h @ 413:0b274e1aaf10

* Start adding a spreadsheet-style editor window for model data

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2008 QMUL.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _MODEL_DATA_TABLE_MODEL_H_
+#define _MODEL_DATA_TABLE_MODEL_H_
+
+#include <QAbstractItemModel>
+
+#include "Model.h"
+
+class ModelDataTableModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    ModelDataTableModel(Model *m);
+    virtual ~ModelDataTableModel();
+
+    QVariant data(const QModelIndex &index, int role) const;
+
+    bool setData(const QModelIndex &index, const QVariant &value, int role);
+
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+
+    QVariant headerData(int section, Qt::Orientation orientation,
+                        int role = Qt::DisplayRole) const;
+
+    QModelIndex index(int row, int column,
+                      const QModelIndex &parent = QModelIndex()) const;
+
+    QModelIndex parent(const QModelIndex &index) const;
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+
+    static bool canHandleModelType(Model *);
+
+protected slots:
+    void modelChanged();
+    void modelChanged(size_t, size_t);
+
+protected:
+    // We need to have some sort of map between row and time in sample
+    // frames.  I guess this will do for now.
+
+    std::vector<size_t> m_rows; // contains sample frame
+
+    Model *m_model;
+
+    void rebuildRowVector();
+    template <typename PointType> void rebuildRowVectorSparse();
+    template <typename PointType> QVariant dataSparse(int row, int col) const;
+};
+
+#endif