kicad/include/lib_tree_item.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 KiCad Developers, see change_log.txt for contributors.
*
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef LIB_TREE_ITEM_H
#define LIB_TREE_ITEM_H
#include <eda_item.h>
#include <lib_id.h>
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#include <import_export.h>
/**
* A mix-in to provide polymorphism between items stored in libraries (symbols, aliases
* and footprints).
*
* It is used primarily to drive the component tree for library browsing and editing.
*/
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class APIEXPORT LIB_TREE_ITEM
{
public:
virtual ~LIB_TREE_ITEM()
{
}
virtual LIB_ID GetLibId() const = 0;
virtual wxString GetName() const = 0;
virtual wxString GetLibNickname() const = 0;
virtual wxString GetDescription() = 0;
virtual wxString GetSearchText() { return wxEmptyString; }
/**
* For items having aliases, IsRoot() indicates the principal item.
*/
virtual bool IsRoot() const { return true; }
/**
* For items with units, return the number of units.
*/
virtual int GetUnitCount() const { return 0; }
/**
* For items with units, return an identifier for unit x.
*/
virtual wxString GetUnitReference( int aUnit ) { return wxEmptyString; }
};
#endif //LIB_TREE_ITEM_H