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Diffstat (limited to 'examples/tutorials/modelview/3_changingmodel/mymodel.cpp')
-rwxr-xr-x | examples/tutorials/modelview/3_changingmodel/mymodel.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/examples/tutorials/modelview/3_changingmodel/mymodel.cpp b/examples/tutorials/modelview/3_changingmodel/mymodel.cpp new file mode 100755 index 0000000..42915b0 --- /dev/null +++ b/examples/tutorials/modelview/3_changingmodel/mymodel.cpp @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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 <QTimer> +#include <QTime> +#include <QBrush> +#include "mymodel.h" + +//! [quoting mymodel_a] +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ +// selectedCell = 0; + timer = new QTimer(this); + timer->setInterval(1000); + connect(timer, SIGNAL(timeout()) , this, SLOT(timerHit())); + timer->start(); +} +//! [quoting mymodel_a] +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent */) const +{ + return 2; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent */) const +{ + return 3; +} + +//------------------------------------------------------- +//! [quoting mymodel_QVariant ] +QVariant MyModel::data(const QModelIndex &index, int role) const +{ + int row = index.row(); + int col = index.column(); + + if (role == Qt::DisplayRole) + { + if (row == 0 && col == 0) + { + return QTime::currentTime().toString(); + } + } + return QVariant(); +} +//! [quoting mymodel_QVariant ] +//------------------------------------------------------- +//! [quoting mymodel_b ] +void MyModel::timerHit() +{ + //we identify the top left cell + QModelIndex topLeft = createIndex(0,0); + //emit a signal to make the view reread identified data + emit dataChanged(topLeft, topLeft); +} +//! [quoting mymodel_b ] |