Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QtWidgets>
++
++ #include "stardelegate.h"
++ #include "stareditor.h"
++ #include "starrating.h"
++
++ //! [0]
++ void StarDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
++ const QModelIndex &index) const
++ {
++ if (index.data().canConvert<StarRating>()) {
++ StarRating starRating = qvariant_cast<StarRating>(index.data());
++
++ if (option.state & QStyle::State_Selected)
++ painter->fillRect(option.rect, option.palette.highlight());
++
++ starRating.paint(painter, option.rect, option.palette,
++ StarRating::EditMode::ReadOnly);
++ } else {
++ QStyledItemDelegate::paint(painter, option, index);
++ }
++ //! [0]
++ }
++
++ //! [1]
++ QSize StarDelegate::sizeHint(const QStyleOptionViewItem &option,
++ const QModelIndex &index) const
++ {
++ if (index.data().canConvert<StarRating>()) {
++ StarRating starRating = qvariant_cast<StarRating>(index.data());
++ return starRating.sizeHint();
++ }
++ return QStyledItemDelegate::sizeHint(option, index);
++ }
++ //! [1]
++
++ //! [2]
++ QWidget *StarDelegate::createEditor(QWidget *parent,
++ const QStyleOptionViewItem &option,
++ const QModelIndex &index) const
++
++ {
++ if (index.data().canConvert<StarRating>()) {
++ StarEditor *editor = new StarEditor(parent);
++ connect(editor, &StarEditor::editingFinished,
++ this, &StarDelegate::commitAndCloseEditor);
++ return editor;
++ }
++ return QStyledItemDelegate::createEditor(parent, option, index);
++ }
++ //! [2]
++
++ //! [3]
++ void StarDelegate::setEditorData(QWidget *editor,
++ const QModelIndex &index) const
++ {
++ if (index.data().canConvert<StarRating>()) {
++ StarRating starRating = qvariant_cast<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 (index.data().canConvert<StarRating>()) {
++ StarEditor *starEditor = qobject_cast<StarEditor *>(editor);
++ model->setData(index, QVariant::fromValue(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]