contactmodel.cpp Example File

contactlist/contactmodel.cpp
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#include "contactmodel.h" ContactModel::ContactModel(QObject *parent ) : QAbstractListModel(parent) { m_contacts.append({ "Angel Hogan", "Chapel St. 368 ", "Clearwater" , "0311 1823993" }); m_contacts.append({ "Felicia Patton", "Annadale Lane 2", "Knoxville" , "0368 1244494" }); m_contacts.append({ "Grant Crawford", "Windsor Drive 34", "Riverdale" , "0351 7826892" }); m_contacts.append({ "Gretchen Little", "Sunset Drive 348", "Virginia Beach" , "0343 1234991" }); m_contacts.append({ "Geoffrey Richards", "University Lane 54", "Trussville" , "0423 2144944" }); m_contacts.append({ "Henrietta Chavez", "Via Volto San Luca 3", "Piobesi Torinese" , "0399 2826994" }); m_contacts.append({ "Harvey Chandler", "North Squaw Creek 11", "Madisonville" , "0343 1244492" }); m_contacts.append({ "Miguel Gomez", "Wild Rose Street 13", "Trussville" , "0343 9826996" }); m_contacts.append({ "Norma Rodriguez", " Glen Eagles Street 53", "Buffalo" , "0241 5826596" }); m_contacts.append({ "Shelia Ramirez", "East Miller Ave 68", "Pickerington" , "0346 4844556" }); m_contacts.append({ "Stephanie Moss", "Piazza Trieste e Trento 77", "Roata Chiusani" , "0363 0510490" }); } int ContactModel::rowCount(const QModelIndex &) const { return m_contacts.count(); } QVariant ContactModel::data(const QModelIndex &index, int role) const { if (index.row() < rowCount()) switch (role) { case FullNameRole: return m_contacts.at(index.row()).fullName; case AddressRole: return m_contacts.at(index.row()).address; case CityRole: return m_contacts.at(index.row()).city; case NumberRole: return m_contacts.at(index.row()).number; default: return QVariant(); } return QVariant(); } QHash<int, QByteArray> ContactModel::roleNames() const { static const QHash<int, QByteArray> roles { { FullNameRole, "fullName" }, { AddressRole, "address" }, { CityRole, "city" }, { NumberRole, "number" } }; return roles; } QVariantMap ContactModel::get(int row) const { const Contact contact = m_contacts.value(row); return { {"fullName", contact.fullName}, {"address", contact.address}, {"city", contact.city}, {"number", contact.number} }; } void ContactModel::append(const QString &fullName, const QString &address, const QString &city, const QString &number) { int row = 0; while (row < m_contacts.count() && fullName > m_contacts.at(row).fullName) ++row; beginInsertRows(QModelIndex(), row, row); m_contacts.insert(row, {fullName, address, city, number}); endInsertRows(); } void ContactModel::set(int row, const QString &fullName, const QString &address, const QString &city, const QString &number) { if (row < 0 || row >= m_contacts.count()) return; m_contacts.replace(row, { fullName, address, city, number }); dataChanged(index(row, 0), index(row, 0), { FullNameRole, AddressRole, CityRole, NumberRole }); } void ContactModel::remove(int row) { if (row < 0 || row >= m_contacts.count()) return; beginRemoveRows(QModelIndex(), row, row); m_contacts.removeAt(row); endRemoveRows(); }

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