pgLab/src/ParamTypeDelegate.cpp

#include "ParamTypeDelegate.h"

#include <QComboBox>
#include "TypeSelectionItemModel.h"

ParamTypeDelegate::ParamTypeDelegate()
{}

ParamTypeDelegate::~ParamTypeDelegate()
{}

void ParamTypeDelegate::setTypeSelectionModel(TypeSelectionItemModel* model)
{
	m_typeSelectionModel = model;
}

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

{
	QWidget *w = nullptr;

	QComboBox *cmbbx = new QComboBox(parent);
	cmbbx->setModel(m_typeSelectionModel);
	w = cmbbx;

//		...
//		m_ComboBox->setView(m_ColumnView);
//		m_ComboBox->view()->setCornerWidget(new QSizeGrip(m_ColumnView));
//		m_ComboBox->view()->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
//		...

	return w;
}

void ParamTypeDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
//	if (index.data().canConvert<StarRating>()) {
//        StarRating starRating = qvariant_cast<StarRating>(index.data());
//        StarEditor *starEditor = qobject_cast<StarEditor *>(editor);
//        starEditor->setStarRating(starRating);
//    } else {
//        QStyledItemDelegate::setEditorData(editor, index);
//    }
	if (index.column() == 1) {
		QComboBox *cmbbx = dynamic_cast<QComboBox*>(editor);
		if (cmbbx) {
			auto data = index.data();
			if (data.canConvert<QString>()) {
				QModelIndexList indexes = m_typeSelectionModel->match(
						m_typeSelectionModel->index(0, 1), Qt::DisplayRole, data, 1, Qt::MatchFlags( Qt::MatchExactly ));
				if (!indexes.empty()) {
					cmbbx->setCurrentIndex(indexes.at(0).row());
				}
				else {
					cmbbx->setCurrentIndex(-1);
				}
			}
		}
	}
	else {
		 QStyledItemDelegate::setEditorData(editor, index);
	}
}

void ParamTypeDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
									const QModelIndex &index) const
{
//	if (index.data().canConvert<StarRating>()) {
//        StarEditor *starEditor = qobject_cast<StarEditor *>(editor);
//        model->setData(index, QVariant::fromValue(starEditor->starRating()));
//    } else {
//        QStyledItemDelegate::setModelData(editor, model, index);
//    }
	if (index.column() == 1) {
		QComboBox *cmbbx = dynamic_cast<QComboBox*>(editor);
		if (cmbbx) {
			auto data = index.data();
			if (data.canConvert<QString>()) {
				QVariant d = m_typeSelectionModel->data(
							m_typeSelectionModel->index(cmbbx->currentIndex(), 0));
				model->setData(index, d);
			}
		}
	} else {
		QStyledItemDelegate::setModelData(editor, model, index);
	}
}



// triggered by editing finished from editor
void ParamTypeDelegate::commitAndCloseEditor()
{
//	StarEditor *editor = qobject_cast<StarEditor *>(sender());
//    emit commitData(editor);
//    emit closeEditor(editor);
}