How to store data in a tablemodel

[rubikon]

Hello.

I'm new to model view programming but I've successfully implemented a model inherited from QAbstractListModel:

class PaletteListModel : public QAbstractListModel
{
	Q_OBJECT
 
	public:
		explicit PaletteListModel(QList<QColor> colors, QObject *parent);
		int rowCount(const QModelIndex &parent = QModelIndex()) const;
		QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
...
...
...
	private:
		QList<QColor> m_colors;
 
};
 
PaletteListModel::PaletteListModel(QList<QColor> colors, QObject *parent) :
	QAbstractListModel(parent)
{
	m_colors = colors;
}
 
int PaletteListModel::rowCount(const QModelIndex & ) const
{
	return m_colors.count();
}
...
...

class PaletteListModel : public QAbstractListModel
{
	Q_OBJECT

	public:
		explicit PaletteListModel(QList<QColor> colors, QObject *parent);
		int rowCount(const QModelIndex &parent = QModelIndex()) const;
		QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
...
...
...
	private:
		QList<QColor> m_colors;
		
};

PaletteListModel::PaletteListModel(QList<QColor> colors, QObject *parent) :
	QAbstractListModel(parent)
{
	m_colors = colors;
}

int PaletteListModel::rowCount(const QModelIndex & ) const
{
	return m_colors.count();
}
...
...

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So I can pass a list which can have a dynamic length to the constructor which will be stored in a private field. With this I can determine the row count...

But how can I pass and store the data for a table model? I guess it has to be some kind of nested list. But I can't figure out how exactly to do this:

class PaletteTableModel : public QAbstractTableModel
{
	Q_OBJECT
 
	public:
		explicit PaletteTableModel(??????? colors, QObject *parent);
		int rowCount(const QModelIndex &parent = QModelIndex()) const;
		int columnCount(const QModelIndex &parent = QModelIndex())) const;
 
	private:
		???????? m_colors;
 
};
 
 
PaletteTableModel::PaletteTableModel(??????? colors, QObject *parent) :
	QAbstractTableModel(parent)
{
	m_colors = colors;
}
 
int PaletteTableModel::rowCount(const QModelIndex & ) const
{
	return ?????
}
 
int PaletteTableModel::columnCount(const QModelIndex &) const
{
	return ?????
}
...
...
...

class PaletteTableModel : public QAbstractTableModel
{
	Q_OBJECT

	public:
		explicit PaletteTableModel(??????? colors, QObject *parent);
		int rowCount(const QModelIndex &parent = QModelIndex()) const;
		int columnCount(const QModelIndex &parent = QModelIndex())) const;

	private:
		???????? m_colors;
		
};


PaletteTableModel::PaletteTableModel(??????? colors, QObject *parent) :
	QAbstractTableModel(parent)
{
	m_colors = colors;
}

int PaletteTableModel::rowCount(const QModelIndex & ) const
{
	return ?????
}

int PaletteTableModel::columnCount(const QModelIndex &) const
{
	return ?????
}
...
...
...

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How do I have to implement this?