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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 examples 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.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "stardelegate.h"
#include "stareditor.h"
#include "starrating.h"
//! [0]
void StarDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (qVariantCanConvert<StarRating>(index.data())) {
StarRating starRating = qVariantValue<StarRating>(index.data());
if (option.state & QStyle::State_Selected)
painter->fillRect(option.rect, option.palette.highlight());
starRating.paint(painter, option.rect, option.palette,
StarRating::ReadOnly);
} else {
QStyledItemDelegate::paint(painter, option, index);
}
//! [0]
}
//! [1]
QSize StarDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (qVariantCanConvert<StarRating>(index.data())) {
StarRating starRating = qVariantValue<StarRating>(index.data());
return starRating.sizeHint();
} else {
return QStyledItemDelegate::sizeHint(option, index);
}
}
//! [1]
//! [2]
QWidget *StarDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (qVariantCanConvert<StarRating>(index.data())) {
StarEditor *editor = new StarEditor(parent);
connect(editor, SIGNAL(editingFinished()),
this, SLOT(commitAndCloseEditor()));
return editor;
} else {
return QStyledItemDelegate::createEditor(parent, option, index);
}
}
//! [2]
//! [3]
void StarDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
if (qVariantCanConvert<StarRating>(index.data())) {
StarRating starRating = qVariantValue<StarRating>(index.data());
StarEditor *starEditor = qobject_cast<StarEditor *>(editor);
starEditor->setStarRating(starRating);
} else {
QStyledItemDelegate::setEditorData(editor, index);
}
}
//! [3]
//! [4]
void StarDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
const QModelIndex &index) const
{
if (qVariantCanConvert<StarRating>(index.data())) {
StarEditor *starEditor = qobject_cast<StarEditor *>(editor);
model->setData(index, qVariantFromValue(starEditor->starRating()));
} else {
QStyledItemDelegate::setModelData(editor, model, index);
}
}
//! [4]
//! [5]
void StarDelegate::commitAndCloseEditor()
{
StarEditor *editor = qobject_cast<StarEditor *>(sender());
emit commitData(editor);
emit closeEditor(editor);
}
//! [5]
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