model.cpp Example File
models/abstractitemmodel/model.cpp
#include "model.h"
Animal::Animal(const QString &type, const QString &size)
: m_type(type), m_size(size)
{
}
QString Animal::type() const
{
return m_type;
}
QString Animal::size() const
{
return m_size;
}
AnimalModel::AnimalModel(QObject *parent)
: QAbstractListModel(parent)
{
}
void AnimalModel::addAnimal(const Animal &animal)
{
beginInsertRows(QModelIndex(), rowCount(), rowCount());
m_animals << animal;
endInsertRows();
}
int AnimalModel::rowCount(const QModelIndex & parent) const {
Q_UNUSED(parent);
return m_animals.count();
}
QVariant AnimalModel::data(const QModelIndex & index, int role) const {
if (index.row() < 0 || index.row() >= m_animals.count())
return QVariant();
const Animal &animal = m_animals[index.row()];
if (role == TypeRole)
return animal.type();
else if (role == SizeRole)
return animal.size();
return QVariant();
}
QHash<int, QByteArray> AnimalModel::roleNames() const {
QHash<int, QByteArray> roles;
roles[TypeRole] = "type";
roles[SizeRole] = "size";
return roles;
}