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#pragma once
#include <QAbstractListModel>
class QmlObjectVectorModel : public QAbstractListModel
{
Q_OBJECT
public:
QmlObjectVectorModel(QObject* parent = nullptr);
Q_PROPERTY(int count READ count NOTIFY countChanged)
/// Returns true if any of the items in the list are dirty. Requires each object to have
/// a dirty property and dirtyChanged signal.
Q_PROPERTY(bool dirty READ dirty WRITE setDirty NOTIFY dirtyChanged)
Q_INVOKABLE QObject* get(int index) { return _objectList[index]; }
// Property accessors
int count () const;
bool dirty () const { return _dirty; }
void setDirty (bool dirty);
void append (QObject* object);
void append (QVector<QObject*> objects);
QVector<QObject*> swapObjectList (const QVector<QObject*>& newlist);
void clear ();
QObject* removeAt (int i);
QObject* removeOne (QObject* object) { return removeAt(indexOf(object)); }
void insert (int i, QObject* object);
void insert (int i, QVector<QObject*> objects);
bool contains (QObject* object) { return _objectList.indexOf(object) != -1; }
int indexOf (QObject* object) { return _objectList.indexOf(object); }
QObject* operator[] (int i);
const QObject* operator[] (int i) const;
template<class T> T value (int index) { return qobject_cast<T>(_objectList[index]); }
QVector<QObject*>* objectList () { return &_objectList; }
/// Calls deleteLater on all items and this itself.
void deleteListAndContents ();
/// Clears the list and calls deleteLater on each entry
void clearAndDeleteContents ();
void beginReset () { beginResetModel(); }
void endReset () { endResetModel(); }
// Friends
friend void swap(QmlObjectVectorModel& list1, QmlObjectVectorModel& list2);
signals:
void countChanged (int count);
void dirtyChanged (bool dirtyChanged);
private slots:
void _childDirtyChanged (bool dirty);
private:
// Overrides from QAbstractListModel
int rowCount (const QModelIndex & parent = QModelIndex()) const override;
QVariant data (const QModelIndex & index, int role = Qt::DisplayRole) const override;
bool insertRows (int position, int rows, const QModelIndex &index = QModelIndex()) override;
bool removeRows (int position, int rows, const QModelIndex &index = QModelIndex()) override;
bool setData (const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
QHash<int, QByteArray> roleNames(void) const override;
private:
QVector<QObject*> _objectList;
bool _dirty;
bool _skipDirtyFirstItem;
static const int ObjectRole;
static const int TextRole;
};