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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2008 QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef SV_MODEL_DATA_TABLE_MODEL_H
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17 #define SV_MODEL_DATA_TABLE_MODEL_H
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18
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19 #include <QAbstractItemModel>
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20
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21 #include <vector>
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22
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23 #include "base/BaseTypes.h"
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24
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25 #include "TabularModel.h"
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26 #include "Model.h"
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27
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28 class TabularModel;
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29 class Command;
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30
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31 class ModelDataTableModel : public QAbstractItemModel
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32 {
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33 Q_OBJECT
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34
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35 public:
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36 ModelDataTableModel(ModelId modelId); // a TabularModel
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37 virtual ~ModelDataTableModel();
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38
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39 QVariant data(const QModelIndex &index, int role) const override;
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40
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41 bool setData(const QModelIndex &index, const QVariant &value, int role) override;
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42
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43 bool insertRow(int row, const QModelIndex &parent = QModelIndex());
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44 bool removeRow(int row, const QModelIndex &parent = QModelIndex());
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45
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46 Qt::ItemFlags flags(const QModelIndex &index) const override;
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47
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48 QVariant headerData(int section, Qt::Orientation orientation,
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49 int role = Qt::DisplayRole) const override;
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50
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51 QModelIndex index(int row, int column,
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52 const QModelIndex &parent = QModelIndex()) const override;
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53
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54 QModelIndex parent(const QModelIndex &index) const override;
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55
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56 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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57 int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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58
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59 QModelIndex getModelIndexForFrame(sv_frame_t frame) const;
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60 sv_frame_t getFrameForModelIndex(const QModelIndex &) const;
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61
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62 void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
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63
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64 QModelIndex findText(QString text) const;
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65
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66 void setCurrentRow(int row);
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67 int getCurrentRow() const;
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68
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69 signals:
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70 void frameSelected(int);
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71 void addCommand(Command *);
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72 void currentChanged(const QModelIndex &);
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73 void modelRemoved();
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74
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75 protected slots:
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76 void modelChanged();
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77 void modelChangedWithin(sv_frame_t, sv_frame_t);
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78
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79 protected:
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80 std::shared_ptr<TabularModel> getTabularModel() const {
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81 return ModelById::getAs<TabularModel>(m_model);
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82 }
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83
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84 ModelId m_model;
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85 int m_sortColumn;
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86 Qt::SortOrder m_sortOrdering;
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87 int m_currentRow;
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88 typedef std::vector<int> RowList;
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89 mutable RowList m_sort;
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90 mutable RowList m_rsort;
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91 int getSorted(int row) const;
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92 int getUnsorted(int row) const;
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93 void resort() const;
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94 void resortNumeric() const;
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95 void resortAlphabetical() const;
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96 void clearSort();
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97 };
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98
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99 #endif
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