src/NullDateEdit.cpp

/**
 * NullDateEdit.cpp is part of bmsapp.
 *
 * See https://www.qtcentre.org/threads/17295-How-to-put-empty-value-in-QDateEdit
 *
 * bmsapp 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.
 *
 * bmsapp 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 "NullDateEdit.h"


NullDateEdit::NullDateEdit(const QDate& date, QWidget* parent)
	: QDateEdit(date, parent)
{
	this->setSpecialValueText("Null");
}

NullDateEdit::NullDateEdit(QWidget* parent)
	: QDateEdit(parent)
{
	this->setSpecialValueText("Null");
}

NullDateEdit::~NullDateEdit()
{
}

void NullDateEdit::clear()
{
	this->setDate(this->minimumDate());
}

QDate NullDateEdit::nullDate() const
{
	if (date() == this->minimumDate())
		return QDate();
	return date();
}

void NullDateEdit::setDate(const QDate & date)
{
	if (date.isNull())
		QDateEdit::setDate(this->minimumDate());
	QDateEdit::setDate(date);
}