Renamed core subproject into BeetRoundCore.

libs/BeetRoundCore/model/tablemodel.h

@@ -0,0 +1,79 @@
+#ifndef TABLEMODEL_H
+#define TABLEMODEL_H
+
+#include <QAbstractTableModel>
+
+class QUndoStack;
+class ModelItem;
+
+using namespace std;
+
+typedef QMap<int, QVariant> ModelItemValues;
+
+class TableModel : public QAbstractTableModel {
+  Q_OBJECT
+
+  friend class InsertRowsCommand;
+  friend class RemoveRowsCommand;
+  friend class EditItemCommand;
+
+ public:
+  static QByteArray generateExampleItems();
+
+  explicit TableModel(QUndoStack* undoStack, QObject* parent = nullptr);
+
+  /// QAbstractItemModel interface
+  Qt::ItemFlags flags(const QModelIndex& index) const override;
+  QHash<int, QByteArray> roleNames() const override;
+
+  int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+  int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+  QVariant data(const QModelIndex& index, int role) const override;
+  QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+  bool setData(const QModelIndex& index, const QVariant& value, int role) override;
+  bool setItemData(const QModelIndex& index, const QMap<int, QVariant>& roles) override;
+
+  ModelItemValues getItemValues(const QModelIndex& index) const;
+  QJsonDocument getAllItemsAsJsonDoc() const;
+  QList<QStringList> getItemsAsStringLists() const;
+
+  QByteArray jsonDataForServer(const QModelIndex& currentIndex) const;
+
+  QString updateItemsFromJson(const QByteArray& jsonData);
+  bool updateItem(const ModelItemValues& itemValues);
+
+ public slots:
+  // bool insertRows(int position, int rows, const QModelIndex& parentIndex = QModelIndex())
+  // override;
+  bool removeRows(int firstRow, int nRows, const QModelIndex& parentIndex = QModelIndex()) override;
+  void appendItems(const QByteArray& jsonDoc);
+  void insertItems(int startPosition,
+                   const QByteArray& jsonDoc,
+                   const QModelIndex& parentIndex = QModelIndex());
+  void insertItems(int startPosition,
+                   const QList<ModelItemValues>& itemValuesList,
+                   const QModelIndex& parentIndex = QModelIndex());
+
+ private:
+  /// *** members ***
+  // TODO shared_ptr -> unique_ptr
+  QList<shared_ptr<ModelItem>> m_items;
+  QUndoStack* m_undoStack;
+
+  /// *** functions ***
+  /// undo/redo functions
+  void execInsertItems(const int firstRow, const QList<ModelItemValues> valueList);
+  void execRemoveItems(const int firstRow, const int nRows);
+  void execEditItemData(const int row, const QMap<int, QVariant>& changedValues);
+
+  /// misc functions
+  QMap<int, QVariant> onlyChangedValues(const QModelIndex& index,
+                                        const QMap<int, QVariant>& roleValueMap) const;
+  bool isEmptyValueEqualToZero(const int role) const;
+  QModelIndex searchItemIndex(const ModelItemValues givenItemValues) const;
+  bool isItemEqualToItemValues(const QModelIndex& itemIndex,
+                               const ModelItemValues givenItemValues) const;
+};
+
+#endif  // TABLEMODEL_H