/*
        Copyright 2006-2020 QElectroTech Team
        This file is part of QElectroTech.

        QElectroTech 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 2 of the License, or
        (at your option) any later version.

        QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "itemmodelcommand.h"

/**
 * @brief ModelIndexCommand::ModelIndexCommand
 * @param model
 * @param index
 * @param parent
 */
ModelIndexCommand::ModelIndexCommand(QAbstractItemModel *model, const QModelIndex &index, QUndoCommand *parent):
	QUndoCommand(parent),
	m_model(model),
	m_index(index)
{}

/**
 * @brief ModelIndexCommand::setData
 * @param value
 * @param role
 */
void ModelIndexCommand::setData(const QVariant &value, int role)
{
	m_new_value = value;
	if (m_model) {
		m_old_value = m_model->data(m_index, role);
	} else {
		m_old_value = value;
	}

	m_role = role;
}

/**
 * @brief ModelIndexCommand::redo
 * Reimplemented from QUndoCommand
 */
void ModelIndexCommand::redo() {
	if (m_model && m_index.isValid()) {
		m_model->setData(m_index, m_new_value, m_role);
	}
}

/**
 * @brief ModelIndexCommand::undo
 * Reimplemented from QUndoCommand
 */
void ModelIndexCommand::undo() {
	if (m_model && m_index.isValid()) {
		m_model->setData(m_index, m_old_value, m_role);
	}
}

/**
 * @brief ModelHeaderDataCommand::ModelHeaderDataCommand
 * @param model
 * @param parent
 */
ModelHeaderDataCommand::ModelHeaderDataCommand(QAbstractItemModel *model, QUndoCommand *parent) :
	QUndoCommand(parent),
	m_model(model)
{}

/**
 * @brief ModelHeaderDataCommand::setData
 * See QAbstractItemModel::setHeaderData
 * @param section
 * @param orientation
 * @param value
 * @param role
 */
void ModelHeaderDataCommand::setData(int section, Qt::Orientation orientation, const QVariant &value, int role)
{
	m_section = section;
	m_orientation = orientation;
	m_new_value = value;
	if (m_model) {
		m_old_value = m_model->headerData(section, orientation, role);
	} else {
		m_old_value = m_new_value;
	}
	m_role = role;
}

/**
 * @brief ModelHeaderDataCommand::redo
 * Reimplemented from QUndoCommand
 */
void ModelHeaderDataCommand::redo()
{
	if (m_model) {
		m_model->setHeaderData(m_section, m_orientation, m_new_value, m_role);
	}
}

/**
 * @brief ModelHeaderDataCommand::undo
 * Reimplemented from QUndoCommand
 */
void ModelHeaderDataCommand::undo()
{
	if (m_model) {
		m_model->setHeaderData(m_section, m_orientation, m_old_value, m_role);
	}
}