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/*
* Copyright (c) 2003-2007 André Wöbbeking <[email protected]>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef UPDATEVIEW_VISITORS_H
#define UPDATEVIEW_VISITORS_H
#include "updateview.h"
#include <set>
class UpdateItem;
class UpdateDirItem;
class UpdateFileItem;
class Visitor
{
public:
virtual ~Visitor() {}
virtual void preVisit(UpdateDirItem*) = 0;
virtual void postVisit(UpdateDirItem*) = 0;
virtual void visit(UpdateFileItem*) = 0;
};
class ApplyFilterVisitor : public Visitor
{
public:
explicit ApplyFilterVisitor(UpdateView::Filter filter);
virtual void preVisit(UpdateDirItem*);
virtual void postVisit(UpdateDirItem*);
virtual void visit(UpdateFileItem*);
private:
void markAllParentsAsVisible(UpdateItem*);
UpdateView::Filter m_filter;
typedef std::set<UpdateItem*> TItemSet;
TItemSet m_invisibleDirItems;
};
#endif // UPDATEVIEW_VISITORS_H
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