pollymc/logic/InstanceList.h

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/* Copyright 2013-2015 MultiMC Contributors
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*
* 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
*
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* 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
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#include <QObject>
#include <QAbstractListModel>
#include <QSet>
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#include <gui/groupview/GroupedProxyModel.h>
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#include "logic/BaseInstance.h"
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class BaseInstance;
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class QDir;
struct FTBRecord
{
QString dirName;
QString name;
QString logo;
QString mcVersion;
QString description;
QString instanceDir;
QString templateDir;
bool operator ==(const FTBRecord other) const
{
return instanceDir == other.instanceDir;
}
};
inline uint qHash(FTBRecord record)
{
return qHash(record.instanceDir);
}
class InstanceList : public QAbstractListModel
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{
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Q_OBJECT
private:
void loadGroupList(QMap<QString, QString> &groupList);
QSet<FTBRecord> discoverFTBInstances();
void loadFTBInstances(QMap<QString, QString> &groupMap, QList<InstancePtr> & tempList);
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public
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slots:
void saveGroupList();
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public:
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explicit InstanceList(const QString &instDir, QObject *parent = 0);
virtual ~InstanceList();
public:
QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const;
QVariant data(const QModelIndex &index, int role) const;
Qt::ItemFlags flags(const QModelIndex &index) const;
enum AdditionalRoles
{
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InstancePointerRole = 0x34B1CB48, ///< Return pointer to real instance
InstanceIDRole = 0x34B1CB49 ///< Return id if the instance
};
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/*!
* \brief Error codes returned by functions in the InstanceList class.
* NoError Indicates that no error occurred.
* UnknownError indicates that an unspecified error occurred.
*/
enum InstListError
{
NoError = 0,
UnknownError
};
QString instDir() const
{
return m_instDir;
}
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/*!
* \brief Get the instance at index
*/
InstancePtr at(int i) const
{
return m_instances.at(i);
}
;
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/*!
* \brief Get the count of loaded instances
*/
int count() const
{
return m_instances.count();
}
;
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/// Clear all instances. Triggers notifications.
void clear();
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/// Add an instance. Triggers notifications, returns the new index
int add(InstancePtr t);
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/// Get an instance by ID
InstancePtr getInstanceById(QString id) const;
QModelIndex getInstanceIndexById(const QString &id) const;
// FIXME: instead of iterating through all instances and forming a set, keep the set around
QStringList getGroups();
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signals:
void dataIsInvalid();
public
slots:
void on_InstFolderChanged(const Setting &setting, QVariant value);
/*!
* \brief Loads the instance list. Triggers notifications.
*/
InstListError loadList();
private
slots:
void propertiesChanged(BaseInstance *inst);
void instanceNuked(BaseInstance *inst);
void groupChanged();
private:
int getInstIndex(BaseInstance *inst) const;
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bool continueProcessInstance(InstancePtr instPtr, const int error, const QDir &dir,
QMap<QString, QString> &groupMap);
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protected:
QString m_instDir;
QList<InstancePtr> m_instances;
QSet<QString> m_groups;
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};
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class InstanceProxyModel : public GroupedProxyModel
{
public:
explicit InstanceProxyModel(QObject *parent = 0);
protected:
virtual bool subSortLessThan(const QModelIndex &left, const QModelIndex &right) const;
};