Differential D20265 Diff 55470 libnotificationmanager/notificationgroupcollapsingproxymodel_p.h

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libnotificationmanager/notificationgroupcollapsingproxymodel_p.h

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		1		/*
		2		* Copyright 2019 Kai Uwe Broulik <kde@privat.broulik.de>
		3		*
		4		* This library is free software; you can redistribute it and/or
		5		* modify it under the terms of the GNU Lesser General Public
		6		* License as published by the Free Software Foundation; either
		7		* version 2.1 of the License, or (at your option) version 3, or any
		8		* later version accepted by the membership of KDE e.V. (or its
		9		* successor approved by the membership of KDE e.V.), which shall
		10		* act as a proxy defined in Section 6 of version 3 of the license.
		11		*
		12		* This library is distributed in the hope that it will be useful,
		13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		15		* Lesser General Public License for more details.
		16		*
		17		* You should have received a copy of the GNU Lesser General Public
		18		* License along with this library. If not, see <http://www.gnu.org/licenses/>.
		19		*/
		20
		21		#pragma once
		22
		23		#include <QSortFilterProxyModel>
		24
		25		namespace NotificationManager {
		26
		27		class NotificationGroupCollapsingProxyModel : public QSortFilterProxyModel
		28		{
		29		Q_OBJECT
		30
		31		public:
		32		explicit NotificationGroupCollapsingProxyModel(QObject *parent = nullptr);
		33		~NotificationGroupCollapsingProxyModel() override;
		34
		35		void setSourceModel(QAbstractItemModel *sourceModel) override;
		36
		37		QVariant data(const QModelIndex &index, int role) const override;
		38		bool setData(const QModelIndex &index, const QVariant &value, int role) override;
		39
		40		int limit() const;
		41		void setLimit(int limit);
		42
		43		signals:
		44		void limitChanged();
		45
		46		protected:
		47		bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override;
		48
		49		private:
		50		bool setGroupExpanded(const QModelIndex &idx, bool expanded);
		51
		52		int m_limit;
		53		QList<QPersistentModelIndex> m_expandedGroups;
		54
		55		};
		56
		57		} // namespace NotificationManager