109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
/* Copyright 2013-2015 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <QObject>
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#include <QAbstractListModel>
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#include <QSet>
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#include <QList>
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#include "BaseInstance.h"
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#include "BaseInstanceProvider.h"
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#include "multimc_logic_export.h"
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#include "QObjectPtr.h"
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class QFileSystemWatcher;
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class BaseInstance;
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class QDir;
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class MULTIMC_LOGIC_EXPORT InstanceList : public QAbstractListModel
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{
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Q_OBJECT
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public:
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explicit InstanceList(SettingsObjectPtr globalSettings, const QString &instDir, QObject *parent = 0);
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virtual ~InstanceList();
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public:
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QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
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int rowCount(const QModelIndex &parent = QModelIndex()) const;
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QVariant data(const QModelIndex &index, int role) const;
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Qt::ItemFlags flags(const QModelIndex &index) const;
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enum AdditionalRoles
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{
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GroupRole = Qt::UserRole,
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InstancePointerRole = 0x34B1CB48, ///< Return pointer to real instance
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InstanceIDRole = 0x34B1CB49 ///< Return id if the instance
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};
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/*!
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* \brief Error codes returned by functions in the InstanceList class.
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* NoError Indicates that no error occurred.
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* UnknownError indicates that an unspecified error occurred.
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*/
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enum InstListError
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{
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NoError = 0,
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UnknownError
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};
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InstancePtr at(int i) const
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{
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return m_instances.at(i);
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}
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int count() const
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{
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return m_instances.count();
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}
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InstListError loadList(bool complete = false);
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/// Add an instance provider. Takes ownership of it. Should only be done before the first load.
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void addInstanceProvider(BaseInstanceProvider * provider);
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InstancePtr getInstanceById(QString id) const;
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QModelIndex getInstanceIndexById(const QString &id) const;
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QStringList getGroups();
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void deleteGroup(const QString & name);
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signals:
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void dataIsInvalid();
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private slots:
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void propertiesChanged(BaseInstance *inst);
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void groupsPublished(QSet<QString>);
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void providerUpdated();
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private:
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int getInstIndex(BaseInstance *inst) const;
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void suspendWatch();
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void resumeWatch();
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void add(const QList<InstancePtr> &list);
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protected:
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int m_watchLevel = 0;
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QSet<BaseInstanceProvider *> m_updatedProviders;
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QString m_instDir;
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QList<InstancePtr> m_instances;
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QSet<QString> m_groups;
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SettingsObjectPtr m_globalSettings;
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QVector<shared_qobject_ptr<BaseInstanceProvider>> m_providers;
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};
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