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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation 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."
** $QT_END_LICENSE$
**
****************************************************************************/
/*
window.cpp
A minimal subclass of QTableView with slots to allow the selection model
to be monitored.
*/
#include <QAbstractItemModel>
#include <QItemSelection>
#include <QItemSelectionModel>
#include <QMenu>
#include <QMenuBar>
#include <QStatusBar>
#include "model.h"
#include "window.h"
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
setWindowTitle("Selected Items in a Table Model");
model = new TableModel(8, 4, this);
table = new QTableView(this);
table->setModel(model);
QMenu *actionMenu = new QMenu(tr("&Actions"), this);
QAction *fillAction = actionMenu->addAction(tr("&Fill Selection"));
QAction *clearAction = actionMenu->addAction(tr("&Clear Selection"));
QAction *selectAllAction = actionMenu->addAction(tr("&Select All"));
menuBar()->addMenu(actionMenu);
connect(fillAction, SIGNAL(triggered()), this, SLOT(fillSelection()));
connect(clearAction, SIGNAL(triggered()), this, SLOT(clearSelection()));
connect(selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll()));
selectionModel = table->selectionModel();
statusBar();
setCentralWidget(table);
}
void MainWindow::fillSelection()
{
//! [0]
QModelIndexList indexes = selectionModel->selectedIndexes();
QModelIndex index;
foreach(index, indexes) {
QString text = QString("(%1,%2)").arg(index.row()).arg(index.column());
model->setData(index, text);
}
//! [0]
}
void MainWindow::clearSelection()
{
QModelIndexList indexes = selectionModel->selectedIndexes();
QModelIndex index;
foreach(index, indexes)
model->setData(index, "");
}
void MainWindow::selectAll()
{
//! [1]
QModelIndex parent = QModelIndex();
//! [1] //! [2]
QModelIndex topLeft = model->index(0, 0, parent);
QModelIndex bottomRight = model->index(model->rowCount(parent)-1,
model->columnCount(parent)-1, parent);
//! [2]
//! [3]
QItemSelection selection(topLeft, bottomRight);
selectionModel->select(selection, QItemSelectionModel::Select);
//! [3]
}
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