ObjectListModelBase.h

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#pragma once
 
#include "ObjectItemModelBase.h"
 
 
class ObjectListModelBase : public ObjectItemModelBase
{
    Q_OBJECT
 
public:
    ObjectListModelBase(QObject* parent = nullptr);
    ~ObjectListModelBase() override;
 
    virtual void clearAndDeleteContents() = 0; 
    virtual QObject* removeOne(const QObject* object) = 0;
    virtual bool contains(const QObject* object) = 0;
 
    // Flat-list overrides of QAbstractItemModel — same behavior as QAbstractListModel
    QModelIndex index(int row, int column = 0, const QModelIndex& parent = QModelIndex()) const override;
    QModelIndex parent(const QModelIndex& child) const override;
    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    bool hasChildren(const QModelIndex& parent = QModelIndex()) const override;
 
protected:
    // Overrides from QAbstractItemModel which must be implemented by derived classes
    int rowCount(const QModelIndex& parent = QModelIndex()) const override = 0;
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override = 0;
    bool insertRows(int position, int rows, const QModelIndex& index = QModelIndex()) override = 0;
    bool removeRows(int position, int rows, const QModelIndex& index = QModelIndex()) override = 0;
    bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override = 0;
 
    bool _skipDirtyFirstItem = false;
};