pollymc/logic/ModList.h
2014-12-27 20:50:33 +01:00

159 lines
3.7 KiB
C++

/* Copyright 2013-2014 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 <QString>
#include <QDir>
#include <QAbstractListModel>
#include "logic/Mod.h"
class LegacyInstance;
class BaseInstance;
class QFileSystemWatcher;
/**
* A legacy mod list.
* Backed by a folder.
*/
class ModList : public QAbstractListModel
{
Q_OBJECT
public:
enum Columns
{
ActiveColumn = 0,
NameColumn,
VersionColumn
};
ModList(const QString &dir, const QString &list_file = QString());
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value,
int role = Qt::EditRole);
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const
{
return 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 mods.size();
}
;
bool empty() const
{
return size() == 0;
}
Mod &operator[](size_t index)
{
return mods[index];
}
/// Reloads the mod list and returns true if the list changed.
virtual bool update();
/**
* Adds the given mod to the list at the given index - if the list supports custom ordering
*/
virtual bool installMod(const QFileInfo &filename, int index = 0);
/// Deletes the mod at the given index.
virtual bool deleteMod(int index);
/// Deletes all the selected mods
virtual bool deleteMods(int first, int last);
/**
* move the mod at index to the position N
* 0 is the beginning of the list, length() is the end of the list.
*/
virtual bool moveModTo(int from, int to);
/**
* move the mod at index one position upwards
*/
virtual bool moveModUp(int from);
virtual bool moveModsUp(int first, int last);
/**
* move the mod at index one position downwards
*/
virtual bool moveModDown(int from);
virtual bool moveModsDown(int first, int last);
/// flags, mostly to support drag&drop
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
/// get data for drag action
virtual QMimeData *mimeData(const QModelIndexList &indexes) const;
/// 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);
/// 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()
{
return m_dir;
}
const QList<Mod> & allMods()
{
return mods;
}
private:
void internalSort(QList<Mod> & what);
struct OrderItem
{
QString id;
bool enabled = false;
};
typedef QList<OrderItem> OrderList;
OrderList readListFile();
bool saveListFile();
private
slots:
void directoryChanged(QString path);
signals:
void changed();
protected:
QFileSystemWatcher *m_watcher;
bool is_watching;
QDir m_dir;
QString m_list_file;
QString m_list_id;
QList<Mod> mods;
};