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QWidget *CDelegateTypeBox::createEditor(QWidget *parent,
                                     const QStyleOptionViewItem & /* option */,
                                     const QModelIndex &index) const
{
    if (index.column() == 0) 
    {
        // column 0 : create a combobox
        QComboBox *comboBox = new QComboBox(parent);
        
        comboBox->addItem("Things you need");

        // connect the combobox to an action at activation
        connect(comboBox, SIGNAL(activated(int)), this,         SLOT(emitCommitData()));

        return comboBox;
    }
    else
    {
        // column not 0 : create a line edit
        QLineEdit *lineEdit = new QLineEdit(parent);
        
        // take the text of the cell and put it to the line edit
        QString cs = index.model()->data(index, Qt::EditRole).toString();
        lineEdit->setText(cs);
        
        // connect the line edit to an action at keypress "ENTER"
        connect(lineEdit, SIGNAL(returnPressed()),this, SLOT(commitAndCloseEditor()));

        return lineEdit;
    }

    return NULL;
}

void CDelegateTypeBox::setModelData(QWidget *editor, QAbstractItemModel *model,
                                 const QModelIndex &index) const
{
    if(index.column()==0)
    {
        // column 0 should contain a combobox, but if not then go away
        QComboBox *comboBox = qobject_cast<QComboBox *>(editor);
        if (!comboBox)
        {    return;    }
        
        // set the text from the combobox to the model
        model->setData(index, comboBox->currentText());
    }
    else
    {
        // column not 0 should contain a line edit, but if not then go away
        QLineEdit *lineEdit = qobject_cast<QLineEdit *>(editor);
        if (!lineEdit)
        {    return;    }

        // set the text from the line edit to the model
        model->setData(index, lineEdit->text());
    }
}

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

void CDelegateTypeBox::commitAndCloseEditor()
{
    QWidget *editor = qobject_cast<QWidget *>(sender());
    emit commitData(editor);    // commit data of sender
    emit closeEditor(editor);   // close the sender
}