/*
 *   This file is part of Checkpoint
 *   Copyright (C) 2017-2019 Bernardo Giordano, FlagBrew
 *
 *   This program 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.
 *
 *   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 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/>.
 *
 *   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
 *       * Requiring preservation of specified reasonable legal notices or
 *         author attributions in that material or in the Appropriate Legal
 *         Notices displayed by works containing it.
 *       * Prohibiting misrepresentation of the origin of that material,
 *         or requiring that modified versions of such material be marked in
 *         reasonable ways as different from the original version.
 */

#include "multiselection.hpp"

static std::vector<size_t> selEnt;

std::vector<size_t> MS::selectedEntries(void)
{
    return selEnt;
}

bool MS::multipleSelectionEnabled(void)
{
    return !selEnt.empty();
}

void MS::clearSelectedEntries(void)
{
    selEnt.clear();
}

void MS::addSelectedEntry(size_t idx)
{
    int existing = -1;
    for (size_t i = 0, sz = selEnt.size(); i < sz && existing == -1; i++) {
        if (selEnt.at(i) == idx) {
            existing = (int)i;
        }
    }

    if (existing == -1) {
        selEnt.push_back(idx);
    }
    else {
        selEnt.erase(selEnt.begin() + existing);
    }
}