ListModel.h

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#pragma once
#include <QTreeView>
#include <misc/global.h>
 
namespace sf
{
 
class _MISC_CLASS ListModel : public QObject
{
    Q_OBJECT
 
  public:
    class Private;
 
    class _MISC_CLASS Columns final : public QObject
    {
      public:
        class _MISC_CLASS Item
        {
          public:
            QString name{};
            int imageIndex{-1};
 
            union
            {
                void* ptr{nullptr};
                int64_t index;
            } tag;
 
            Qt::ItemFlags flags;
            Qt::Alignment alignment{Qt::AlignLeft};
        };
 
        void clear();
 
        Item* add();
 
        const Item* getItem(int index) const;
 
        int count() const;
 
      protected:
        explicit Columns(Private* prv);
 
      private:
        QList<QSharedPointer<Item>> _list;
        Private* _model;
 
        friend class Private;
    };
 
    explicit ListModel(QObject* parent);
 
    ~ListModel() override;
 
    void setTreeView(QTreeView* treeview);
 
    QTreeView* getTreeView();
 
    Columns& getColumns();
 
    const Columns& getColumns() const;
 
    QModelIndex currentIndex() const;
 
    QModelIndex index(int row, int column = 0) const;
 
    void setCurrentIndex(const QModelIndex& index);
 
    void setCurrentIndex(int row, int column = 0);
 
    void setRowCount(int count);
 
    void update(const QModelIndex& index, const QList<int>& roles = {});
 
    void update(int row, int column = -1, const QList<int>& roles = {});
 
    void removeRow(const QModelIndex& index);
    void scrollTo(const QModelIndex& index);
 
    void removeRows(int row, int count = 1);
    void insertRows(int row, int count);
 
    void refresh() const;
 
    void moveRow(int from, int to);
    Q_SIGNAL void getRowData(const QModelIndex& index, int role, QVariant& data);
 
    Q_SIGNAL void setRowData(const QModelIndex& index, int role, const QVariant& data);
 
    Q_SIGNAL void contextMenuRequested(const QModelIndex& index, const QPoint& point);
 
    Q_SIGNAL void currentRowChanged(int current, int previous);
 
  private:
    Private* _p;
 
    // friend class Columns;
};
 
}// namespace sf