/***
 * Copyright (c) 2013, Dan Hasting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the organization nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ***/

#include "treewidgetitem.h"


//Reimplemented QTreeWidgetItem operator to sort based on both integers and text
bool TreeWidgetItem::operator< (const QTreeWidgetItem &other) const
{
    int column = treeWidget()->sortColumn();

    if (data(column, Qt::UserRole).toString() != "") {
        if (data(column, Qt::UserRole).toString().contains(QRegularExpression("[^\\d]+"))) {
            QString firstText = data(column, Qt::UserRole).toString();
            QString otherText = other.data(column, Qt::UserRole).toString();
            return firstText < otherText;
        } else {
            int firstNumber = data(column, Qt::UserRole).toInt();
            int otherNumber = other.data(column, Qt::UserRole).toInt();
            return firstNumber < otherNumber;
        }
    } else {
        QString firstText = text(column);
        QString otherText = other.text(column);
        return firstText < otherText;
    }
}
