doc/src/snippets/reading-selections/window.cpp
branchRCL_3
changeset 7 3f74d0d4af4c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/reading-selections/window.cpp	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** 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 documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+  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]
+}