PrismLauncher/launcher/minecraft/WorldList.h

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/* 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.
*/
#pragma once
#include <QAbstractListModel>
#include <QDir>
#include <QList>
#include <QMimeData>
#include <QString>
#include "BaseInstance.h"
#include "minecraft/World.h"
class QFileSystemWatcher;
class WorldList : public QAbstractListModel {
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Q_OBJECT
public:
enum Columns { NameColumn, GameModeColumn, LastPlayedColumn, SizeColumn, InfoColumn };
enum Roles { ObjectRole = Qt::UserRole + 1, FolderRole, SeedRole, NameRole, GameModeRole, LastPlayedRole, SizeRole, IconFileRole };
WorldList(const QString& dir, BaseInstance* instance);
virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
virtual int rowCount(const QModelIndex& parent = QModelIndex()) const { return parent.isValid() ? 0 : static_cast<int>(size()); };
virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
virtual int columnCount(const QModelIndex& parent) const;
size_t size() const { return worlds.size(); };
bool empty() const { return size() == 0; }
World& operator[](size_t index) { return worlds[index]; }
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/// Reloads the mod list and returns true if the list changed.
virtual bool update();
/// Install a world from location
void installWorld(QFileInfo filename);
/// Deletes the mod at the given index.
virtual bool deleteWorld(int index);
/// Removes the world icon, if any
virtual bool resetIcon(int index);
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/// Deletes all the selected mods
virtual bool deleteWorlds(int first, int last);
/// flags, mostly to support drag&drop
virtual Qt::ItemFlags flags(const QModelIndex& index) const;
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/// get data for drag action
virtual QMimeData* mimeData(const QModelIndexList& indexes) const;
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/// get the supported mime types
virtual QStringList mimeTypes() const;
/// process data from drop action
virtual bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent);
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/// what drag actions do we support?
virtual Qt::DropActions supportedDragActions() const;
/// what drop actions do we support?
virtual Qt::DropActions supportedDropActions() const;
void startWatching();
void stopWatching();
virtual bool isValid();
QDir dir() const { return m_dir; }
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QString instDirPath() const;
const QList<World>& allWorlds() const { return worlds; }
private slots:
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void directoryChanged(QString path);
signals:
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void changed();
protected:
BaseInstance* m_instance;
QFileSystemWatcher* m_watcher;
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bool is_watching;
QDir m_dir;
QList<World> worlds;
};