diff options
Diffstat (limited to 'demos/interview/model.cpp')
-rw-r--r-- | demos/interview/model.cpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/demos/interview/model.cpp b/demos/interview/model.cpp deleted file mode 100644 index 6031615711..0000000000 --- a/demos/interview/model.cpp +++ /dev/null @@ -1,147 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "model.h" -#include <QIcon> -#include <QPixmap> - -Model::Model(int rows, int columns, QObject *parent) - : QAbstractItemModel(parent), - services(QPixmap(":/images/services.png")), - rc(rows), cc(columns), - tree(new QVector<Node>(rows, Node(0))) -{ - -} - -Model::~Model() -{ - delete tree; -} - -QModelIndex Model::index(int row, int column, const QModelIndex &parent) const -{ - if (row < rc && row >= 0 && column < cc && column >= 0) { - Node *p = static_cast<Node*>(parent.internalPointer()); - Node *n = node(row, p); - if (n) - return createIndex(row, column, n); - } - return QModelIndex(); -} - -QModelIndex Model::parent(const QModelIndex &child) const -{ - if (child.isValid()) { - Node *n = static_cast<Node*>(child.internalPointer()); - Node *p = parent(n); - if (p) - return createIndex(row(p), 0, p); - } - return QModelIndex(); -} - -int Model::rowCount(const QModelIndex &parent) const -{ - return (parent.isValid() && parent.column() != 0) ? 0 : rc; -} - -int Model::columnCount(const QModelIndex &parent) const -{ - Q_UNUSED(parent); - return cc; -} - -QVariant Model::data(const QModelIndex &index, int role) const -{ - if (!index.isValid()) - return QVariant(); - if (role == Qt::DisplayRole) - return "Item " + QString::number(index.row()) + ":" + QString::number(index.column()); - if (role == Qt::DecorationRole) { - if (index.column() == 0) - return iconProvider.icon(QFileIconProvider::Folder); - return iconProvider.icon(QFileIconProvider::File); - } - return QVariant(); -} - -QVariant Model::headerData(int section, Qt::Orientation orientation, int role) const -{ - if (role == Qt::DisplayRole) - return QString::number(section); - if (role == Qt::DecorationRole) - return QVariant::fromValue(services); - return QAbstractItemModel::headerData(section, orientation, role); -} - -bool Model::hasChildren(const QModelIndex &parent) const -{ - if (parent.isValid() && parent.column() != 0) - return false; - return rc > 0 && cc > 0; -} - -Qt::ItemFlags Model::flags(const QModelIndex &index) const -{ - if (!index.isValid()) - return 0; - return (Qt::ItemIsDragEnabled|Qt::ItemIsSelectable|Qt::ItemIsEnabled); -} - -Model::Node *Model::node(int row, Node *parent) const -{ - if (parent && !parent->children) - parent->children = new QVector<Node>(rc, Node(parent)); - QVector<Node> *v = parent ? parent->children : tree; - return const_cast<Node*>(&(v->at(row))); -} - -Model::Node *Model::parent(Node *child) const -{ - return child ? child->parent : 0; -} - -int Model::row(Node *node) const -{ - const Node *first = node->parent ? &(node->parent->children->at(0)) : &(tree->at(0)); - return (node - first); -} |