pollymc/launcher/minecraft/mod/ModFolderModel.h
flow 2f5e55bea0
fix: only remove orphaned metadata on first opening
This avoids deleting the metadata while one is updating their mods.

Signed-off-by: flow <flowlnlnln@gmail.com>
2022-08-11 13:11:56 -03:00

181 lines
4.9 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
* 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, version 3.
*
* 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 2013-2021 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.
*/
#pragma once
#include <QList>
#include <QMap>
#include <QSet>
#include <QString>
#include <QDir>
#include <QAbstractListModel>
#include "Mod.h"
#include "minecraft/mod/tasks/ModFolderLoadTask.h"
#include "minecraft/mod/tasks/LocalModParseTask.h"
class LegacyInstance;
class BaseInstance;
class QFileSystemWatcher;
/**
* A legacy mod list.
* Backed by a folder.
*/
class ModFolderModel : public QAbstractListModel
{
Q_OBJECT
public:
enum Columns
{
ActiveColumn = 0,
NameColumn,
VersionColumn,
DateColumn,
NUM_COLUMNS
};
enum ModStatusAction {
Disable,
Enable,
Toggle
};
ModFolderModel(const QString &dir, bool is_indexed = false);
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
Qt::DropActions supportedDropActions() const override;
/// flags, mostly to support drag&drop
virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
QStringList mimeTypes() const override;
bool dropMimeData(const QMimeData * data, Qt::DropAction action, int row, int column, const QModelIndex & parent) override;
virtual int rowCount(const QModelIndex &) const override
{
return size();
}
virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
virtual int columnCount(const QModelIndex &parent) const override;
size_t size() const
{
return mods.size();
}
;
bool empty() const
{
return size() == 0;
}
Mod& operator[](size_t index)
{
return *mods[index];
}
const Mod& at(size_t index) const
{
return *mods.at(index);
}
/// Reloads the mod list and returns true if the list changed.
bool update();
/**
* Adds the given mod to the list at the given index - if the list supports custom ordering
*/
bool installMod(const QString& filename);
bool uninstallMod(const QString& filename, bool preserve_metadata = false);
/// Deletes all the selected mods
bool deleteMods(const QModelIndexList &indexes);
/// Enable or disable listed mods
bool setModStatus(const QModelIndexList &indexes, ModStatusAction action);
void startWatching();
void stopWatching();
bool isValid();
QDir& dir()
{
return m_dir;
}
QDir indexDir()
{
return { QString("%1/.index").arg(dir().absolutePath()) };
}
const QList<Mod::Ptr>& allMods()
{
return mods;
}
auto selectedMods(QModelIndexList& indexes) -> QList<Mod::Ptr>;
public slots:
void disableInteraction(bool disabled);
private
slots:
void directoryChanged(QString path);
void finishUpdate();
void finishModParse(int token);
signals:
void updateFinished();
private:
void resolveMod(Mod::Ptr m);
bool setModStatus(int index, ModStatusAction action);
protected:
QFileSystemWatcher *m_watcher;
bool is_watching = false;
ModFolderLoadTask::ResultPtr m_update;
bool scheduled_update = false;
bool interaction_disabled = false;
QDir m_dir;
bool m_is_indexed;
bool m_first_folder_load = true;
QMap<QString, int> modsIndex;
QMap<int, LocalModParseTask::ResultPtr> activeTickets;
int nextResolutionTicket = 0;
QList<Mod::Ptr> mods;
};