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#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]