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imagedelegate.cpp Example File
^{widgets/icons/imagedelegate.cpp}

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    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
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    ** License version 2.0 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 GNU
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    #include <QtGui>

    #include "imagedelegate.h"

    ImageDelegate::ImageDelegate(QObject *parent)
        : QItemDelegate(parent)
    {
    }

    QWidget *ImageDelegate::createEditor(QWidget *parent,
                                         const QStyleOptionViewItem & /* option */,
                                         const QModelIndex &index) const
    {
        QComboBox *comboBox = new QComboBox(parent);
        if (index.column() == 1) {
            comboBox->addItem(tr("Normal"));
            comboBox->addItem(tr("Active"));
            comboBox->addItem(tr("Disabled"));
        } else if (index.column() == 2) {
            comboBox->addItem(tr("Off"));
            comboBox->addItem(tr("On"));
        }

        connect(comboBox, SIGNAL(activated(int)), this, SLOT(emitCommitData()));

        return comboBox;
    }

    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);
    }

    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());
    }

    void ImageDelegate::emitCommitData()
    {
        emit commitData(qobject_cast<QWidget *>(sender()));
    }