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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /tests/auto/xmlpatternsxqts/lib/TreeModel.cpp
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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 are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Patternist project on Trolltech Labs.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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 are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+***************************************************************************
+*/
+
+#include <QtDebug>
+
+#include "TestContainer.h"
+
+#include "TreeModel.h"
+
+using namespace QPatternistSDK;
+
+TreeModel::TreeModel(const QStringList columnData,
+ QObject *p) : QAbstractItemModel(p),
+ m_root(0),
+ m_columnData(columnData)
+{
+}
+
+TreeModel::~TreeModel()
+{
+}
+
+QVariant TreeModel::data(const QModelIndex &idx, int role) const
+{
+ if(!idx.isValid())
+ return QVariant();
+
+ TreeItem *item = static_cast<TreeItem *>(idx.internalPointer());
+ Q_ASSERT(item);
+
+ return item->data(static_cast<Qt::ItemDataRole>(role), idx.column());
+}
+
+QVariant TreeModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+ if(orientation == Qt::Horizontal && role == Qt::DisplayRole)
+ return m_columnData.value(section);
+
+ return QVariant();
+}
+
+void TreeModel::childChanged(TreeItem *)
+{
+ layoutChanged();
+}
+
+QModelIndex TreeModel::index(int row, int column, const QModelIndex &p) const
+{
+ const int c = columnCount(p);
+
+ if(row < 0 || column < 0 || column >= c)
+ return QModelIndex();
+
+ TreeItem *parentItem;
+
+ if(p.isValid())
+ parentItem = static_cast<TreeItem *>(p.internalPointer());
+ else
+ parentItem = m_root;
+
+ if(!parentItem)
+ return QModelIndex();
+
+ TreeItem *childItem = parentItem->child(row);
+
+ if(childItem)
+ return createIndex(row, column, childItem);
+ else
+ return QModelIndex();
+}
+
+QModelIndex TreeModel::parent(const QModelIndex &idx) const
+{
+ if(!idx.isValid())
+ return QModelIndex();
+
+ TreeItem *childItem = static_cast<TreeItem *>(idx.internalPointer());
+ Q_ASSERT(childItem);
+ TreeItem *parentItem = childItem->parent();
+
+ if(!parentItem || parentItem == m_root)
+ return QModelIndex();
+
+ Q_ASSERT(parentItem);
+ return createIndex(parentItem->row(), 0, parentItem);
+}
+
+Qt::ItemFlags TreeModel::flags(const QModelIndex &idx) const
+{
+ /* Not sure about this code. */
+ if(!idx.isValid())
+ return Qt::ItemFlags();
+
+ return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+}
+
+int TreeModel::rowCount(const QModelIndex &p) const
+{
+ if(p.column() > 0)
+ return 0;
+
+ const TreeItem *parentItem;
+
+ if(p.isValid())
+ parentItem = static_cast<TreeItem *>(p.internalPointer());
+ else
+ {
+ if(m_root)
+ parentItem = m_root;
+ else
+ return 0;
+ }
+
+ return parentItem->childCount();
+}
+
+int TreeModel::columnCount(const QModelIndex &p) const
+{
+ if(p.isValid())
+ return static_cast<TreeItem *>(p.internalPointer())->columnCount();
+ else
+ return m_columnData.count();
+}
+
+TreeItem *TreeModel::root() const
+{
+ return m_root;
+}
+
+void TreeModel::setRoot(TreeItem *r)
+{
+ TreeItem *const oldRoot = m_root;
+ m_root = r;
+
+ if(m_root)
+ connect(r, SIGNAL(changed(TreeItem *)), SLOT(childChanged(TreeItem *)));
+ reset(); /* Notify views that we have radically changed. */
+ delete oldRoot;
+}
+
+// vim: et:ts=4:sw=4:sts=4