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/*
Copyright (C) 2012 Sebastian Herbord. All rights reserved.
This file is part of Mod Organizer.
Mod Organizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Mod Organizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MODLISTSORTPROXY_H
#define MODLISTSORTPROXY_H
#include "modlist.h"
#include <QSortFilterProxyModel>
#include <bitset>
class Profile;
class ModListSortProxy : public QSortFilterProxyModel {
Q_OBJECT
public:
enum FilterMode { FILTER_AND, FILTER_OR };
enum FilterType { TYPE_SPECIAL, TYPE_CATEGORY, TYPE_CONTENT };
public:
explicit ModListSortProxy(Profile* profile, QObject* parent = 0);
void setProfile(Profile* profile);
void setCategoryFilter(const std::vector<int>& categories);
std::vector<int> categoryFilter() const { return m_CategoryFilter; }
void setContentFilter(const std::vector<int>& content);
virtual Qt::ItemFlags flags(const QModelIndex& modelIndex) const;
virtual bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column,
const QModelIndex& parent);
virtual void setSourceModel(QAbstractItemModel* sourceModel) override;
/**
* @brief enable all mods visible under the current filter
**/
void enableAllVisible();
/**
* @brief disable all mods visible under the current filter
**/
void disableAllVisible();
/**
* @brief tests if a filtere matches for a mod
* @param info mod information
* @param enabled true if the mod is currently active
* @return true if current active filters match for the specified mod
*/
bool filterMatchesMod(ModInfo::Ptr info, bool enabled) const;
/**
* @return true if a filter is currently active
*/
bool isFilterActive() const { return m_FilterActive; }
void setFilterMode(FilterMode mode);
/**
* @brief tests if the specified index has child nodes
* @param parent the node to test
* @return true if there are child nodes
*/
virtual bool hasChildren(const QModelIndex& parent = QModelIndex()) const { return rowCount(parent) > 0; }
public slots:
void updateFilter(const QString& filter);
signals:
void filterActive(bool active);
protected:
virtual bool lessThan(const QModelIndex& left, const QModelIndex& right) const;
virtual bool filterAcceptsRow(int row, const QModelIndex& parent) const;
private:
unsigned long flagsId(const std::vector<ModInfo::EFlag>& flags) const;
bool hasConflictFlag(const std::vector<ModInfo::EFlag>& flags) const;
void updateFilterActive();
bool filterMatchesModAnd(ModInfo::Ptr info, bool enabled) const;
bool filterMatchesModOr(ModInfo::Ptr info, bool enabled) const;
private slots:
void aboutToChangeData();
void postDataChanged();
private:
Profile* m_Profile;
std::vector<int> m_CategoryFilter;
std::vector<int> m_ContentFilter;
std::bitset<ModList::COL_LASTCOLUMN + 1> m_EnabledColumns;
QString m_CurrentFilter;
bool m_FilterActive;
FilterMode m_FilterMode;
std::vector<int> m_PreChangeFilters;
};
#endif // MODLISTSORTPROXY_H
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