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Diffstat (limited to 'examples/tutorials/modelview/7_selections/modelview.cpp')
| -rw-r--r-- | examples/tutorials/modelview/7_selections/modelview.cpp | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/examples/tutorials/modelview/7_selections/modelview.cpp b/examples/tutorials/modelview/7_selections/modelview.cpp deleted file mode 100644 index 3b373c6..0000000 --- a/examples/tutorials/modelview/7_selections/modelview.cpp +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** -** -** 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." -** $QT_END_LICENSE$ -** -****************************************************************************/ - -//! [quoting modelview_a] -#include <QTreeView> -#include <QStandardItemModel> -#include <QItemSelectionModel> -#include "modelview.h" - -ModelView::ModelView(QWidget *parent) - : QMainWindow(parent) -{ - treeView = new QTreeView(this); - setCentralWidget(treeView); - standardModel = new QStandardItemModel ; - QStandardItem *rootNode = standardModel->invisibleRootItem(); - - - //defining a couple of items - QStandardItem *americaItem = new QStandardItem("America"); - QStandardItem *mexicoItem = new QStandardItem("Canada"); - QStandardItem *usaItem = new QStandardItem("USA"); - QStandardItem *bostonItem = new QStandardItem("Boston"); - QStandardItem *europeItem = new QStandardItem("Europe"); - QStandardItem *italyItem = new QStandardItem("Italy"); - QStandardItem *romeItem = new QStandardItem("Rome"); - QStandardItem *veronaItem = new QStandardItem("Verona"); - - //building up the hierarchy - rootNode-> appendRow(americaItem); - rootNode-> appendRow(europeItem); - americaItem-> appendRow(mexicoItem); - americaItem-> appendRow(usaItem); - usaItem-> appendRow(bostonItem); - europeItem-> appendRow(italyItem); - italyItem-> appendRow(romeItem); - italyItem-> appendRow(veronaItem); - - //register the model - treeView->setModel(standardModel); - treeView->expandAll(); - - //selection changes shall trigger a slot - QItemSelectionModel *selectionModel= treeView->selectionModel(); - connect(selectionModel, SIGNAL(selectionChanged (const QItemSelection &, const QItemSelection &)), - this, SLOT(selectionChangedSlot(const QItemSelection &, const QItemSelection &))); -} -//! [quoting modelview_a] - -//------------------------------------------------------------------------------------ - -//! [quoting modelview_b] -void ModelView::selectionChangedSlot(const QItemSelection & /*newSelection*/, const QItemSelection & /*oldSelection*/) -{ - const QModelIndex index = treeView->selectionModel()->currentIndex(); - QString selectedText = index.data(Qt::DisplayRole).toString(); - int hierarchyLevel=1; - QModelIndex seekRoot = index; - while(seekRoot.parent() != QModelIndex()) - { - seekRoot = seekRoot.parent(); - hierarchyLevel++; - } - QString showString = QString("%1, Level %2").arg(selectedText) - .arg(hierarchyLevel); - setWindowTitle(showString); -} -//! [quoting modelview_b] - - |