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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]