/*

Embedded Debugger PC Application which can be used to debug embedded systems at a high level.

Copyright (C) 2019 DEMCON advanced mechatronics B.V.

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#include "ComboBoxDelegate.h"

#include <QComboBox>

#include <QWidget>

#include <QModelIndex>

#include <QApplication>

#include <QDebug>

#include <iostream>

ComboBoxDelegate::ComboBoxDelegate(QObject *parent) :

QStyledItemDelegate(parent)

{

}

QWidget *ComboBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const

{

QComboBox* editor = new QComboBox(parent);

editor->addItems(m_items);

//When clicking on a item, the data is directly set. so no wait for out of focus to commit data.

if (editor != nullptr)

{

connect(editor, QOverload<int>::of(&QComboBox::currentIndexChanged), [=]()

{

const_cast<ComboBoxDelegate*>(this)->closeEditor(editor);

});

}

return editor;

}

void ComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const

{

QComboBox *comboBox = static_cast<QComboBox*>(editor);

int value = index.model()->data(index, Qt::EditRole).toUInt();

comboBox->setCurrentIndex(value);

}

void ComboBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const

{

QComboBox *comboBox = static_cast<QComboBox*>(editor);

model->setData(index, comboBox->currentIndex(), Qt::EditRole);

}

void ComboBoxDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const

{

QStyleOptionViewItem myOption = option;

myOption.text = m_items[index.model()->data(index, Qt::EditRole).toUInt()];

QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &myOption, painter);

}