Qt 4.3: tableeditor.cpp Example File (sql/cachedtable/tableeditor.cpp)

|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# tableeditor.cpp Example File
sql/cachedtable/tableeditor.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2004-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 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 GNU
     ** General Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech gives you certain
     ** additional rights. These rights are described in the Trolltech GPL
     ** Exception version 1.0, which can be found at
     ** http://www.trolltech.com/products/qt/gplexception/ and in the file
     ** GPL_EXCEPTION.txt in this package.
     **
     ** In addition, as a special exception, Trolltech, as the sole copyright
     ** holder for Qt Designer, grants users of the Qt/Eclipse Integration
     ** plug-in the right for the Qt/Eclipse Integration to link to
     ** functionality provided by Qt Designer and its related libraries.
     **
     ** Trolltech reserves all rights not expressly granted herein.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include <QtGui>
     #include <QtSql>

     #include "tableeditor.h"

     TableEditor::TableEditor(const QString &tableName, QWidget *parent)
         : QDialog(parent)
     {
         model = new QSqlTableModel(this);
         model->setTable(tableName);
         model->setEditStrategy(QSqlTableModel::OnManualSubmit);
         model->select();

         model->setHeaderData(0, Qt::Horizontal, tr("ID"));
         model->setHeaderData(1, Qt::Horizontal, tr("First name"));
         model->setHeaderData(2, Qt::Horizontal, tr("Last name"));

         QTableView *view = new QTableView;
         view->setModel(model);

         submitButton = new QPushButton(tr("Submit"));
         submitButton->setDefault(true);
         revertButton = new QPushButton(tr("&Revert"));
         quitButton = new QPushButton(tr("Quit"));

         buttonBox = new QDialogButtonBox(Qt::Vertical);
         buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole);
         buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole);
         buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);

         connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));
         connect(revertButton, SIGNAL(clicked()), model, SLOT(revertAll()));
         connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));

         QHBoxLayout *mainLayout = new QHBoxLayout;
         mainLayout->addWidget(view);
         mainLayout->addWidget(buttonBox);
         setLayout(mainLayout);

         setWindowTitle(tr("Cached Table"));
     }

     void TableEditor::submit()
     {
         model->database().transaction();
         if (model->submitAll()) {
             model->database().commit();
         } else {
             model->database().rollback();
             QMessageBox::warning(this, tr("Cached Table"),
                                  tr("The database reported an error: %1")
                                  .arg(model->lastError().text()));
         }
     }