75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2017 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef PROXYMODEL_H
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#define PROXYMODEL_H
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#include <QSortFilterProxyModel>
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#include <QStringList>
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#include "mpd-interface/song.h"
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#include "config.h"
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class QMimeData;
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class ProxyModel : public QSortFilterProxyModel
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{
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public:
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ProxyModel(QObject *parent) : QSortFilterProxyModel(parent), isSorted(false), filterEnabled(false), filter(0) { }
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virtual ~ProxyModel() { }
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bool update(const QString &text);
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const void * filterItem() const { return filter; }
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void setFilterItem(void *f) { filter=f; }
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void setRootIndex(const QModelIndex &idx) { rootIndex=idx.isValid() ? mapToSource(idx) : idx; }
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bool isChildOfRoot(const QModelIndex &idx) const;
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bool isEmpty() const { return filterStrings.isEmpty() && 0==filter; }
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bool enabled() const { return filterEnabled; }
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const QString & filterText() const { return origFilterText; }
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void resort();
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void sort() { isSorted=false; sort(0); }
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void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
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QList<int> mapToSourceRows(const QModelIndexList &list) const;
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QModelIndex mapToSource(const QModelIndex &idx) const { return QSortFilterProxyModel::mapToSource(idx); }
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QModelIndexList mapToSource(const QModelIndexList &list, bool leavesOnly=true) const;
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QMimeData * mimeData(const QModelIndexList &indexes) const;
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QModelIndexList leaves(const QModelIndexList &list) const;
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protected:
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bool matchesFilter(const Song &s) const;
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bool matchesFilter(const QStringList &strings) const;
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private:
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QModelIndexList leaves(const QModelIndex &idx) const;
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protected:
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bool isSorted;
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bool filterEnabled;
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QModelIndex rootIndex;
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QString origFilterText;
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QStringList filterStrings;
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uint unmatchedStrings;
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const void *filter;
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};
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#endif
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