AbstractGridModel.h++

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#ifndef __libquark_gui_AbstractGridModel_hxx
#define __libquark_gui_AbstractGridModel_hxx

#include <QAbstractItemModel>
#include <QBuffer>
#include <QDataStream>
#include <QDebug>
#include <QIcon>
#include <QMimeData>
#include <QPoint>

namespace quark {
namespace gui {

template<class T, class IS = QDataStream, class OS = QDataStream>
class AbstractGridModel : public QAbstractItemModel
{
  public:

  virtual ~AbstractGridModel();

  virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;

  virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;

  virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole)
    const;

  virtual bool setData(const QModelIndex &index, const QVariant &value,
                       int role = Qt::EditRole);

  virtual bool hasChildren(const QModelIndex &parent = QModelIndex()) const;

  virtual QVariant headerData(int section, Qt::Orientation orientation,
                              int role = Qt::DisplayRole) const;

  virtual QModelIndex index(int row, int column,
                            const QModelIndex &parent = QModelIndex()) const;

  virtual QModelIndex parent(const QModelIndex &index) const;

  virtual Qt::ItemFlags flags(const QModelIndex &index) const;

  virtual QStringList mimeTypes() const;

  virtual QMimeData *mimeData(const QModelIndexList &indexes) const;

  virtual bool dropMimeData(const QMimeData *mimeData, Qt::DropAction action,
                            int row, int column, const QModelIndex &parent);

  void resize(int rows, int columns);

  int rows() const;

  int columns() const;

  int itemCount() const;

  void clear();

  bool isEmpty() const;

  bool setItems(QList<T *> items);

  void setItemAt(T *item, int row, int column);

  T *getItemAt(int row, int column) const;

  T *takeItemAt(int row, int column);

  void removeItemAt(int row, int column);

  void updateItem(T *item);

  void updateItemAt(int row, int column);

  virtual QPoint positionOf(const T *item) const = 0;

  bool isCellEmpty(int row, int column) const;

  void setEditable(bool editable);

  bool isEditable() const;

  virtual QVariant getValue(const T &item) const = 0;

  virtual QString getRowName(int row) const;

  virtual QString getColumnName(int column) const;

  protected:

  AbstractGridModel(QObject *parent = NULL);

  virtual QIcon getIcon(const T &item) const;

  virtual QSize getSize(const T &item) const;

  virtual Qt::AlignmentFlag getValueAlignment(const T &item) const;

  virtual Qt::AlignmentFlag getRowHeaderAlignment() const;

  virtual Qt::AlignmentFlag getColumnHeaderAlignment() const;

  virtual void setValue(T *item, const QVariant &value);

  virtual void setChecked(T *item, bool checked);

  virtual bool isEditable(const T &item) const;

  virtual bool isCheckable(const T &item) const;

  virtual bool isChecked(const T &item) const;

  virtual bool isDraggable(const T &item) const;

  virtual bool isDroppable(const T &item) const;

  virtual bool isEmptyDroppable() const;

  virtual void itemAdded(const T *item);

  virtual void itemUpdated(const T &item);

  virtual void itemRemoved(const T &item);

  virtual T *getAt(int row, int column) const = 0;

  virtual T *takeAt(int row, int column) = 0;

  virtual void setAt(T *item, int row, int column) = 0;

  virtual void removeAll() = 0;

  virtual void resizeData(int rows, int columns) = 0;

  virtual bool dropOtherMimeData(const QMimeData *mimeData,
                                 Qt::DropAction action, int row,
                                 int column, const QModelIndex &parent);

  virtual QStringList otherMimeTypes() const;

  virtual QString itemMimeType() const = 0;

  virtual void writeProlog(OS &stream) const;

  virtual void writeItem(const T &item, OS &stream) const;

  virtual void writeEpilog(OS &stream) const;

  virtual void readProlog(IS &stream);

  virtual T *readItem(IS &stream);

  virtual void readEpilog(IS &stream);

  private:

  bool _editable;
  int _rows;
  int _columns;
};

#include <quark/AbstractGridModelImpl.h++>

} // namespace gui
} // namespace quark

#endif // __libquark_gui_AbstractGridModel_hxx