tablemodel.cpp Example Fileitemviews/addressbook/tablemodel.cpp/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "tablemodel.h" TableModel::TableModel(QObject *parent) : QAbstractTableModel(parent) { } TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent) : QAbstractTableModel(parent) { listOfPairs=pairs; } 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; } 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(); } 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(); } 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; } 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; } 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; } Qt::ItemFlags TableModel::flags(const QModelIndex &index) const { if (!index.isValid()) return Qt::ItemIsEnabled; return QAbstractTableModel::flags(index) | Qt::ItemIsEditable; } QList< QPair<QString, QString> > TableModel::getList() { return listOfPairs; } |
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