C++/Qt/QStandardItemModel
extends QStandardItemModel
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 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.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- 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 1.1, 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 have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- include <QtGui>
- include <QApplication>
- include <QSortFilterProxyModel>
class MyItemModel : public QStandardItemModel { public:
MyItemModel(QWidget *parent = 0);
}; MyItemModel::MyItemModel(QWidget *parent)
: QStandardItemModel(parent)
{}; class Widget : public QWidget { public:
Widget(QWidget *parent = 0);
}; Widget::Widget(QWidget *parent)
: QWidget(parent)
{
QTreeView *treeView = new QTreeView;
MyItemModel *model = new MyItemModel(this);
treeView->setModel(model);
MyItemModel *sourceModel = new MyItemModel(this);
QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this);
proxyModel->setSourceModel(sourceModel);
treeView->setModel(proxyModel);
treeView->setSortingEnabled(true);
proxyModel->sort(2, Qt::AscendingOrder);
proxyModel->setFilterRegExp(QRegExp(".png", Qt::CaseInsensitive,
QRegExp::FixedString));
proxyModel->setFilterKeyColumn(1);
} int main(int argc, char *argv[]) {
QApplication app(argc, argv); Widget widget; widget.show(); return app.exec();
}
</source>
Using QStandardItemModel
<source lang="cpp">
Foundations of Qt Development\Chapter05\splitterview\main.cpp /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * 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 APress 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. * */
- include <QApplication>
- include <QSplitter>
- include <QTreeView>
- include <QListView>
- include <QTableView>
- include <QStandardItemModel>
int main( int argc, char **argv ) {
QApplication app( argc, argv );
QTreeView *tree = new QTreeView();
QListView *list = new QListView();
QTableView *table = new QTableView();
QSplitter splitter;
splitter.addWidget( tree );
splitter.addWidget( list );
splitter.addWidget( table );
QStandardItemModel model( 5, 2 );
for( int r=0; r<5; r++ )
for( int c=0; c<2; c++)
{
QStandardItem *item = new QStandardItem( QString("Row:%0, Column:%1").arg(r).arg(c) );
if( c == 0 )
for( int i=0; i<3; i++ )
item->appendRow( new QStandardItem( QString("Item %0").arg(i) ) );
model.setItem(r, c, item);
}
tree->setModel( &model );
list->setModel( &model );
table->setModel( &model );
list->setSelectionModel( tree->selectionModel() );
table->setSelectionModel( tree->selectionModel() );
splitter.show();
return app.exec();
}
</source>
Using QStandardItemModel 2
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 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.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- 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 1.1, 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 have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- include <QtGui>
- include <QApplication>
class Widget : public QWidget { public:
Widget(QWidget *parentWidget = 0);
}; Widget::Widget(QWidget *parentWidget)
: QWidget(parentWidget)
{
QStandardItemModel *model = new QStandardItemModel();
QModelIndex parent;
for (int i = 0; i < 4; ++i) {
parent = model->index(0, 0, parent);
model->insertRows(0, 1, parent);
model->insertColumns(0, 1, parent);
QModelIndex index = model->index(0, 0, parent);
model->setData(index, i);
}
} int main(int argc, char *argv[]) {
QApplication app(argc, argv); Widget widget; widget.show(); return app.exec();
}
</source>
