pollymc/api/logic/minecraft/mod/ModFolderModel.h
2021-01-18 08:28:54 +01:00

150 lines
3.7 KiB
C++

/* 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 "multimc_logic_export.h"
#include "ModFolderLoadTask.h"
#include "LocalModParseTask.h"
class LegacyInstance;
class BaseInstance;
class QFileSystemWatcher;
/**
* A legacy mod list.
* Backed by a folder.
*/
class MULTIMC_LOGIC_EXPORT ModFolderModel : public QAbstractListModel
{
Q_OBJECT
public:
enum Columns
{
ActiveColumn = 0,
NameColumn,
VersionColumn,
DateColumn,
NUM_COLUMNS
};
enum ModStatusAction {
Disable,
Enable,
Toggle
};
ModFolderModel(const QString &dir);
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);
/// 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;
}
const QList<Mod> & allMods()
{
return mods;
}
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& 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;
QMap<QString, int> modsIndex;
QMap<int, LocalModParseTask::ResultPtr> activeTickets;
int nextResolutionTicket = 0;
QList<Mod> mods;
};