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50#include "model.h"
51
52Animal::Animal(const QString &type, const QString &size)
53 : m_type(type), m_size(size)
54{
55}
56
57QString Animal::type() const
58{
59 return m_type;
60}
61
62QString Animal::size() const
63{
64 return m_size;
65}
66
67AnimalModel::AnimalModel(QObject *parent)
68 : QAbstractListModel(parent)
69{
70}
71
72void AnimalModel::addAnimal(const Animal &animal)
73{
74 beginInsertRows(parent: QModelIndex(), first: rowCount(), last: rowCount());
75 m_animals << animal;
76 endInsertRows();
77}
78
79int AnimalModel::rowCount(const QModelIndex & parent) const {
80 Q_UNUSED(parent);
81 return m_animals.count();
82}
83
84QVariant AnimalModel::data(const QModelIndex & index, int role) const {
85 if (index.row() < 0 || index.row() >= m_animals.count())
86 return QVariant();
87
88 const Animal &animal = m_animals[index.row()];
89 if (role == TypeRole)
90 return animal.type();
91 else if (role == SizeRole)
92 return animal.size();
93 return QVariant();
94}
95
96//![0]
97QHash<int, QByteArray> AnimalModel::roleNames() const {
98 QHash<int, QByteArray> roles;
99 roles[TypeRole] = "type";
100 roles[SizeRole] = "size";
101 return roles;
102}
103//![0]
104
105

source code of qtdeclarative/examples/quick/models/abstractitemmodel/model.cpp