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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtWidgets>

#include "imagedelegate.h"
#include "iconpreviewarea.h"

//! [0]
ImageDelegate::ImageDelegate(QObject *parent)
    : QItemDelegate(parent)
{
}
//! [0]

//! [1]
QWidget *ImageDelegate::createEditor(QWidget *parent,
                                     const QStyleOptionViewItem & /* option */,
                                     const QModelIndex &index) const
{
    QComboBox *comboBox = new QComboBox(parent);
    if (index.column() == 1)
        comboBox->addItems(IconPreviewArea::iconModeNames());
    else if (index.column() == 2)
        comboBox->addItems(IconPreviewArea::iconStateNames());

    connect(comboBox, QOverload<int>::of(&QComboBox::activated),
            this, &ImageDelegate::emitCommitData);

    return comboBox;
}
//! [1]

//! [2]
void ImageDelegate::setEditorData(QWidget *editor,
                                  const QModelIndex &index) const
{
    QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
    if (!comboBox)
        return;

    int pos = comboBox->findText(index.model()->data(index).toString(),
                                 Qt::MatchExactly);
    comboBox->setCurrentIndex(pos);
}
//! [2]

//! [3]
void ImageDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
                                 const QModelIndex &index) const
{
    QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
    if (!comboBox)
        return;

    model->setData(index, comboBox->currentText());
}
//! [3]

//! [4]
void ImageDelegate::emitCommitData()
{
    emit commitData(qobject_cast<QWidget *>(sender()));
}
//! [4]