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40 #include "model.h"
41
Animal(const QString & type,const QString & size)42 Animal::Animal(const QString &type, const QString &size)
43 : m_type(type), m_size(size)
44 {
45 }
46
type() const47 QString Animal::type() const
48 {
49 return m_type;
50 }
51
size() const52 QString Animal::size() const
53 {
54 return m_size;
55 }
56
57 //![0]
AnimalModel(QObject * parent)58 AnimalModel::AnimalModel(QObject *parent)
59 : QAbstractListModel(parent)
60 {
61 QHash<int, QByteArray> roles;
62 roles[TypeRole] = "type";
63 roles[SizeRole] = "size";
64 setRoleNames(roles);
65 }
66 //![0]
67
addAnimal(const Animal & animal)68 void AnimalModel::addAnimal(const Animal &animal)
69 {
70 beginInsertRows(QModelIndex(), rowCount(), rowCount());
71 m_animals << animal;
72 endInsertRows();
73 }
74
rowCount(const QModelIndex & parent) const75 int AnimalModel::rowCount(const QModelIndex & parent) const {
76 return m_animals.count();
77 }
78
data(const QModelIndex & index,int role) const79 QVariant AnimalModel::data(const QModelIndex & index, int role) const {
80 if (index.row() < 0 || index.row() > m_animals.count())
81 return QVariant();
82
83 const Animal &animal = m_animals[index.row()];
84 if (role == TypeRole)
85 return animal.type();
86 else if (role == SizeRole)
87 return animal.size();
88 return QVariant();
89 }
90
91