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yanghao
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/* proxymodel.h
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* Copyright (C) 2018 Tianjin KYLIN Information Technology Co., Ltd.
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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, or (at your option)
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* 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
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* GNU 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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 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 <QAbstractListModel>
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#include <QWeakPointer>
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#include <QStandardItemModel>
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/* 扩展QAbstractListModel, 用代理的方式实现在固定的model中增加额外的数据 */
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class ProxyModel : public QAbstractListModel
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{
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Q_OBJECT
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public:
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ProxyModel(QObject *parent = 0);
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QVariant data(const QModelIndex &index, int role) const;
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int rowCount(const QModelIndex &parent = QModelIndex()) const;
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QHash<int, QByteArray> roleNames() const;
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void setSourceModel(QAbstractListModel *sourceModel);
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QStandardItemModel* extraRowModel();
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public slots:
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void onSourceDataChanged ( const QModelIndex & topLeft, const QModelIndex & bottomRight );
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void onSourceRowsInserted ( const QModelIndex & parent, int start, int end );
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void onSourceRowsRemoved ( const QModelIndex & parent, int start, int end );
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void onExtraDataChanged ( const QModelIndex & topLeft, const QModelIndex & bottomRight );
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void onExtraRowsInserted ( const QModelIndex & parent, int start, int end );
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void onExtraRowsRemoved ( const QModelIndex & parent, int start, int end );
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private:
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// QWeakPointer<QAbstractListModel> m_model;
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QAbstractListModel *m_model;
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QStandardItemModel *m_extraModel;
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int sourceRowCount() const;
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};
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#endif // PROXYMODEL_H
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