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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* 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 <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2015-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Index.h"
#include "VersionList.h"
#include "JsonFormat.h"
namespace Meta
{
Index::Index(QObject* parent) : QAbstractListModel(parent) {}
Index::Index(const QVector<VersionListPtr>& lists, QObject* parent)
: QAbstractListModel(parent), m_lists(lists)
{
for (int i = 0; i < m_lists.size(); ++i) {
m_uids.insert(m_lists.at(i)->uid(), m_lists.at(i));
connectVersionList(i, m_lists.at(i));
}
}
QVariant Index::data(const QModelIndex& index, int role) const
{
if (index.parent().isValid() || index.row() < 0 ||
index.row() >= m_lists.size()) {
return QVariant();
}
VersionListPtr list = m_lists.at(index.row());
switch (role) {
case Qt::DisplayRole:
switch (index.column()) {
case 0:
return list->humanReadable();
default:
break;
}
case UidRole:
return list->uid();
case NameRole:
return list->name();
case ListPtrRole:
return QVariant::fromValue(list);
}
return QVariant();
}
int Index::rowCount(const QModelIndex& parent) const
{
return m_lists.size();
}
int Index::columnCount(const QModelIndex& parent) const
{
return 1;
}
QVariant Index::headerData(int section, Qt::Orientation orientation,
int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole &&
section == 0) {
return tr("Name");
} else {
return QVariant();
}
}
bool Index::hasUid(const QString& uid) const
{
return m_uids.contains(uid);
}
VersionListPtr Index::get(const QString& uid)
{
VersionListPtr out = m_uids.value(uid, nullptr);
if (!out) {
out = std::make_shared<VersionList>(uid);
m_uids[uid] = out;
}
return out;
}
VersionPtr Index::get(const QString& uid, const QString& version)
{
auto list = get(uid);
return list->getVersion(version);
}
void Index::parse(const QJsonObject& obj)
{
parseIndex(obj, this);
}
void Index::merge(const std::shared_ptr<Index>& other)
{
const QVector<VersionListPtr> lists =
std::dynamic_pointer_cast<Index>(other)->m_lists;
// initial load, no need to merge
if (m_lists.isEmpty()) {
beginResetModel();
m_lists = lists;
for (int i = 0; i < lists.size(); ++i) {
m_uids.insert(lists.at(i)->uid(), lists.at(i));
connectVersionList(i, lists.at(i));
}
endResetModel();
} else {
for (const VersionListPtr& list : lists) {
if (m_uids.contains(list->uid())) {
m_uids[list->uid()]->mergeFromIndex(list);
} else {
beginInsertRows(QModelIndex(), m_lists.size(),
m_lists.size());
connectVersionList(m_lists.size(), list);
m_lists.append(list);
m_uids.insert(list->uid(), list);
endInsertRows();
}
}
}
}
void Index::connectVersionList(const int row, const VersionListPtr& list)
{
connect(list.get(), &VersionList::nameChanged, this, [this, row]() {
emit dataChanged(index(row), index(row),
QVector<int>() << Qt::DisplayRole);
});
}
} // namespace Meta
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