diff options
Diffstat (limited to 'examples/itemviews/addressbook/tablemodel.cpp')
| -rw-r--r-- | examples/itemviews/addressbook/tablemodel.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/examples/itemviews/addressbook/tablemodel.cpp b/examples/itemviews/addressbook/tablemodel.cpp new file mode 100644 index 0000000..5673451 --- /dev/null +++ b/examples/itemviews/addressbook/tablemodel.cpp @@ -0,0 +1,185 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "tablemodel.h" + +//! [0] +TableModel::TableModel(QObject *parent) + : QAbstractTableModel(parent) +{ +} + +TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent) + : QAbstractTableModel(parent) +{ + listOfPairs=pairs; +} +//! [0] + +//! [1] +int TableModel::rowCount(const QModelIndex &parent) const +{ + Q_UNUSED(parent); + return listOfPairs.size(); +} + +int TableModel::columnCount(const QModelIndex &parent) const +{ + Q_UNUSED(parent); + return 2; +} +//! [1] + +//! [2] +QVariant TableModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (index.row() >= listOfPairs.size() || index.row() < 0) + return QVariant(); + + if (role == Qt::DisplayRole) { + QPair<QString, QString> pair = listOfPairs.at(index.row()); + + if (index.column() == 0) + return pair.first; + else if (index.column() == 1) + return pair.second; + } + return QVariant(); +} +//! [2] + +//! [3] +QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) { + switch (section) { + case 0: + return tr("Name"); + + case 1: + return tr("Address"); + + default: + return QVariant(); + } + } + return QVariant(); +} +//! [3] + +//! [4] +bool TableModel::insertRows(int position, int rows, const QModelIndex &index) +{ + Q_UNUSED(index); + beginInsertRows(QModelIndex(), position, position+rows-1); + + for (int row=0; row < rows; row++) { + QPair<QString, QString> pair(" ", " "); + listOfPairs.insert(position, pair); + } + + endInsertRows(); + return true; +} +//! [4] + +//! [5] +bool TableModel::removeRows(int position, int rows, const QModelIndex &index) +{ + Q_UNUSED(index); + beginRemoveRows(QModelIndex(), position, position+rows-1); + + for (int row=0; row < rows; ++row) { + listOfPairs.removeAt(position); + } + + endRemoveRows(); + return true; +} +//! [5] + +//! [6] +bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role) +{ + if (index.isValid() && role == Qt::EditRole) { + int row = index.row(); + + QPair<QString, QString> p = listOfPairs.value(row); + + if (index.column() == 0) + p.first = value.toString(); + else if (index.column() == 1) + p.second = value.toString(); + else + return false; + + listOfPairs.replace(row, p); + emit(dataChanged(index, index)); + + return true; + } + + return false; +} +//! [6] + +//! [7] +Qt::ItemFlags TableModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::ItemIsEnabled; + + return QAbstractTableModel::flags(index) | Qt::ItemIsEditable; +} +//! [7] + +//! [8] +QList< QPair<QString, QString> > TableModel::getList() +{ + return listOfPairs; +} +//! [8] |