66119a07e8
Introduce Contact struct to store contact data and use it instead of QPair<QString, QString>. Proper naming really clarifies the code. Task-number: QTBUG-60635 Change-Id: Ibfb421dfc854accc382212b0da46e7aafc0d528a Reviewed-by: Jesus Fernandez <Jesus.Fernandez@qt.io> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
192 lines
5.3 KiB
C++
192 lines
5.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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****************************************************************************/
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#include "tablemodel.h"
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//! [0]
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TableModel::TableModel(QObject *parent)
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: QAbstractTableModel(parent)
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{
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}
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TableModel::TableModel(QList<Contact> contacts, QObject *parent)
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: QAbstractTableModel(parent)
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, contacts(contacts)
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{
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}
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//! [0]
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//! [1]
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int TableModel::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return contacts.size();
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}
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int TableModel::columnCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return 2;
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}
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//! [1]
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//! [2]
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QVariant TableModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if (index.row() >= contacts.size() || index.row() < 0)
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return QVariant();
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if (role == Qt::DisplayRole) {
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const auto &contact = contacts.at(index.row());
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if (index.column() == 0)
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return contact.name;
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else if (index.column() == 1)
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return contact.address;
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}
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return QVariant();
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}
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//! [2]
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//! [3]
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QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (role != Qt::DisplayRole)
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return QVariant();
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if (orientation == Qt::Horizontal) {
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switch (section) {
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case 0:
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return tr("Name");
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case 1:
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return tr("Address");
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default:
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return QVariant();
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}
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}
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return QVariant();
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}
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//! [3]
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//! [4]
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bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
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{
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Q_UNUSED(index);
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beginInsertRows(QModelIndex(), position, position + rows - 1);
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for (int row = 0; row < rows; ++row)
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contacts.insert(position, { QString(), QString() });
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endInsertRows();
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return true;
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}
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//! [4]
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//! [5]
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bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
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{
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Q_UNUSED(index);
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beginRemoveRows(QModelIndex(), position, position + rows - 1);
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for (int row = 0; row < rows; ++row)
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contacts.removeAt(position);
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endRemoveRows();
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return true;
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}
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//! [5]
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//! [6]
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bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if (index.isValid() && role == Qt::EditRole) {
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int row = index.row();
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auto contact = contacts.value(row);
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if (index.column() == 0)
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contact.name = value.toString();
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else if (index.column() == 1)
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contact.address = value.toString();
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else
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return false;
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contacts.replace(row, contact);
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emit(dataChanged(index, index));
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return true;
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}
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return false;
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}
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//! [6]
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//! [7]
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Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
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{
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if (!index.isValid())
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return Qt::ItemIsEnabled;
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return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
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}
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//! [7]
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//! [8]
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QList<Contact> TableModel::getContacts() const
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{
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return contacts;
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}
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//! [8]
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