370 lines
9.5 KiB
C++
370 lines
9.5 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ModFolderModel.h"
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#include <FileSystem.h>
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#include <QDebug>
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#include <QFileSystemWatcher>
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#include <QMimeData>
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#include <QString>
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#include <QThreadPool>
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#include <QUrl>
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#include <QUuid>
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#include <algorithm>
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#include "minecraft/mod/tasks/LocalModParseTask.h"
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#include "minecraft/mod/tasks/ModFolderLoadTask.h"
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ModFolderModel::ModFolderModel(const QString &dir, bool is_indexed) : ResourceFolderModel(QDir(dir)), m_is_indexed(is_indexed)
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{
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FS::ensureFolderPathExists(m_dir.absolutePath());
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m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::VERSION, SortType::DATE };
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}
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QVariant ModFolderModel::data(const QModelIndex &index, int role) const
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{
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if (!validateIndex(index))
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return {};
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int row = index.row();
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int column = index.column();
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switch (role)
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{
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case Qt::DisplayRole:
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switch (column)
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{
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case NameColumn:
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return m_resources[row]->name();
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case VersionColumn: {
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switch(m_resources[row]->type()) {
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case ResourceType::FOLDER:
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return tr("Folder");
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case ResourceType::SINGLEFILE:
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return tr("File");
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default:
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break;
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}
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return at(row)->version();
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}
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case DateColumn:
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return m_resources[row]->dateTimeChanged();
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default:
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return QVariant();
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}
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case Qt::ToolTipRole:
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return m_resources[row]->internal_id();
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case Qt::CheckStateRole:
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switch (column)
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{
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case ActiveColumn:
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return at(row)->enabled() ? Qt::Checked : Qt::Unchecked;
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default:
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return QVariant();
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}
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default:
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return QVariant();
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}
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}
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bool ModFolderModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if (index.row() < 0 || index.row() >= rowCount(index) || !index.isValid())
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{
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return false;
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}
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if (role == Qt::CheckStateRole)
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{
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return setModStatus(index.row(), Toggle);
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}
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return false;
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}
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QVariant ModFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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switch (role)
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{
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case Qt::DisplayRole:
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switch (section)
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{
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case ActiveColumn:
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return QString();
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case NameColumn:
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return tr("Name");
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case VersionColumn:
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return tr("Version");
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case DateColumn:
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return tr("Last changed");
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default:
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return QVariant();
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}
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case Qt::ToolTipRole:
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switch (section)
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{
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case ActiveColumn:
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return tr("Is the mod enabled?");
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case NameColumn:
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return tr("The name of the mod.");
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case VersionColumn:
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return tr("The version of the mod.");
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case DateColumn:
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return tr("The date and time this mod was last changed (or added).");
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default:
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return QVariant();
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}
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default:
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return QVariant();
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}
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return QVariant();
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}
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int ModFolderModel::columnCount(const QModelIndex &parent) const
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{
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return NUM_COLUMNS;
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}
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Task* ModFolderModel::createUpdateTask()
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{
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auto index_dir = indexDir();
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auto task = new ModFolderLoadTask(dir(), index_dir, m_is_indexed, m_first_folder_load, this);
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m_first_folder_load = false;
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return task;
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}
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Task* ModFolderModel::createParseTask(Resource const& resource)
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{
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return new LocalModParseTask(m_next_resolution_ticket, resource.type(), resource.fileinfo());
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}
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bool ModFolderModel::uninstallMod(const QString& filename, bool preserve_metadata)
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{
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for(auto mod : allMods()){
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if(mod->fileinfo().fileName() == filename){
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auto index_dir = indexDir();
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mod->destroy(index_dir, preserve_metadata);
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update();
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return true;
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}
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}
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return false;
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}
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bool ModFolderModel::deleteMods(const QModelIndexList& indexes)
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{
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if(!m_can_interact) {
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return false;
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}
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if(indexes.isEmpty())
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return true;
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for (auto i: indexes)
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{
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if(i.column() != 0) {
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continue;
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}
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auto m = at(i.row());
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auto index_dir = indexDir();
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m->destroy(index_dir);
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}
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update();
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return true;
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}
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bool ModFolderModel::isValid()
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{
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return m_dir.exists() && m_dir.isReadable();
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}
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bool ModFolderModel::startWatching()
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{
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// Remove orphaned metadata next time
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m_first_folder_load = true;
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return ResourceFolderModel::startWatching({ m_dir.absolutePath(), indexDir().absolutePath() });
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}
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bool ModFolderModel::stopWatching()
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{
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return ResourceFolderModel::stopWatching({ m_dir.absolutePath(), indexDir().absolutePath() });
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}
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auto ModFolderModel::selectedMods(QModelIndexList& indexes) -> QList<Mod*>
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{
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QList<Mod*> selected_resources;
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for (auto i : indexes) {
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if(i.column() != 0)
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continue;
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selected_resources.push_back(at(i.row()));
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}
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return selected_resources;
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}
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auto ModFolderModel::allMods() -> QList<Mod*>
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{
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QList<Mod*> mods;
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for (auto& res : m_resources) {
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mods.append(static_cast<Mod*>(res.get()));
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}
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return mods;
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}
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void ModFolderModel::onUpdateSucceeded()
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{
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auto update_results = static_cast<ModFolderLoadTask*>(m_current_update_task.get())->result();
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auto& new_mods = update_results->mods;
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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auto current_list = m_resources_index.keys();
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QSet<QString> current_set(current_list.begin(), current_list.end());
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auto new_list = new_mods.keys();
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QSet<QString> new_set(new_list.begin(), new_list.end());
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#else
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QSet<QString> current_set(m_resources_index.keys().toSet());
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QSet<QString> new_set(new_mods.keys().toSet());
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#endif
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applyUpdates(current_set, new_set, new_mods);
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m_current_update_task.reset();
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if (m_scheduled_update) {
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m_scheduled_update = false;
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update();
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} else {
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emit updateFinished();
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}
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}
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void ModFolderModel::onParseSucceeded(int ticket, QString mod_id)
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{
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auto iter = m_active_parse_tasks.constFind(ticket);
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if (iter == m_active_parse_tasks.constEnd())
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return;
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int row = m_resources_index[mod_id];
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auto parse_task = *iter;
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auto cast_task = static_cast<LocalModParseTask*>(parse_task.get());
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Q_ASSERT(cast_task->token() == ticket);
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auto resource = find(mod_id);
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auto result = cast_task->result();
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if (result && resource)
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resource->finishResolvingWithDetails(std::move(result->details));
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emit dataChanged(index(row), index(row, columnCount(QModelIndex()) - 1));
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}
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bool ModFolderModel::setModStatus(const QModelIndexList& indexes, ModStatusAction enable)
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{
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if(!m_can_interact) {
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return false;
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}
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if(indexes.isEmpty())
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return true;
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for (auto index: indexes)
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{
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if(index.column() != 0) {
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continue;
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}
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setModStatus(index.row(), enable);
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}
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return true;
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}
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bool ModFolderModel::setModStatus(int row, ModFolderModel::ModStatusAction action)
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{
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if(row < 0 || row >= m_resources.size()) {
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return false;
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}
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auto mod = at(row);
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bool desiredStatus;
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switch(action) {
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case Enable:
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desiredStatus = true;
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break;
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case Disable:
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desiredStatus = false;
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break;
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case Toggle:
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default:
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desiredStatus = !mod->enabled();
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break;
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}
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if(desiredStatus == mod->enabled()) {
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return true;
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}
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// preserve the row, but change its ID
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auto oldId = mod->internal_id();
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if(!mod->enable(!mod->enabled())) {
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return false;
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}
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auto newId = mod->internal_id();
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if(m_resources_index.contains(newId)) {
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// NOTE: this could handle a corner case, where we are overwriting a file, because the same 'mod' exists both enabled and disabled
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// But is it necessary?
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}
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m_resources_index.remove(oldId);
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m_resources_index[newId] = row;
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emit dataChanged(index(row, 0), index(row, columnCount(QModelIndex()) - 1));
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return true;
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}
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