RetroShare/retroshare-gui/src/gui/common/RSListWidgetItem.cpp

/*******************************************************************************
 * gui/common/RSListWidgetItem.cpp                                             *
 *                                                                             *
 * Copyright (C) 2012 RetroShare Team <retroshare.project@gmail.com>           *
 *                                                                             *
 * This program is free software: you can redistribute it and/or modify        *
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.                         *
 *                                                                             *
 * You should have received a copy of the GNU Affero General Public License    *
 * along with this program. If not, see <https://www.gnu.org/licenses/>.       *
 *                                                                             *
 *******************************************************************************/

#include "RSListWidgetItem.h"

RSListWidgetItem::RSListWidgetItem(QListWidget *view, int type) : QListWidgetItem(view, type)
{
}

RSListWidgetItem::RSListWidgetItem(const QString &text, QListWidget *view, int type) : QListWidgetItem(text, view, type)
{
}

RSListWidgetItem::RSListWidgetItem(const QIcon &icon, const QString &text, QListWidget *view, int type) : QListWidgetItem(icon, text, view, type)
{
}

RSListWidgetItem::RSListWidgetItem(const QListWidgetItem &other) : QListWidgetItem(other)
{
}

static uint typeOfVariant(const QVariant &value)
{
	//return 0 for integer, 1 for floating point and 2 for other
	switch (value.userType()) {
	case QVariant::Bool:
	case QVariant::Int:
	case QVariant::UInt:
	case QVariant::LongLong:
	case QVariant::ULongLong:
	case QVariant::Char:
	case QMetaType::Short:
	case QMetaType::UShort:
	case QMetaType::UChar:
		case QMetaType::ULong:
	case QMetaType::Long:
		return 0;
	case QVariant::Double:
	case QMetaType::Float:
		return 1;
	}
	return 2;
}

bool RSListWidgetItem::operator<(const QListWidgetItem &other) const
{
	const QVariant v1 = data(Qt::DisplayRole);
	const QVariant v2 = other.data(Qt::DisplayRole);

	switch (qMax(typeOfVariant(v1), typeOfVariant(v2))) {
	case 0: //integer type
		return v1.toLongLong() < v2.toLongLong();
	case 1: //floating point
		return v1.toDouble() < v2.toDouble();
	}

	return (v1.toString().compare (v2.toString(), Qt::CaseInsensitive) < 0);
}