pcb_selection_conditions.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 CERN
 * @author Maciej Suminski <[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, 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
 */

#include "pcb_selection_conditions.h"
#include "pcb_selection_tool.h"
#include <board_connected_item.h>
#include <pcb_shape.h>

#include <functional>
using namespace std::placeholders;

using S_C = SELECTION_CONDITION;


bool PCB_SELECTION_CONDITIONS::OnlyConnectedItems( const SELECTION& aSelection )
{
 if( aSelection.Empty() )
 return false;

 for( const auto &item : aSelection )
 {
 auto type = item->Type();

 if( type != PCB_PAD_T && type != PCB_VIA_T && type != PCB_TRACE_T && type != PCB_ZONE_T )
 return false;
 }

 return true;
}


S_C PCB_SELECTION_CONDITIONS::SameNet( bool aAllowUnconnected )
{
 return std::bind( &PCB_SELECTION_CONDITIONS::sameNetFunc, _1, aAllowUnconnected );
}


S_C PCB_SELECTION_CONDITIONS::SameLayer()
{
 return std::bind( &PCB_SELECTION_CONDITIONS::sameLayerFunc, _1 );
}


S_C PCB_SELECTION_CONDITIONS::OnlyGraphicShapeTypes( const std::set<SHAPE_T> aTypes )
{
 return std::bind( &PCB_SELECTION_CONDITIONS::onlyGraphicShapeTypesFunc, _1, aTypes );
}



bool PCB_SELECTION_CONDITIONS::sameNetFunc( const SELECTION& aSelection, bool aAllowUnconnected )
{
 if( aSelection.Empty() )
 return false;

 int netcode = -1; // -1 stands for 'net code is not yet determined'

 for( const auto& aitem : aSelection )
 {
 int current_netcode = -1;

 const BOARD_CONNECTED_ITEM* item =
 dynamic_cast<const BOARD_CONNECTED_ITEM*>( aitem );

 if( item )
 {
 current_netcode = item->GetNetCode();
 }
 else
 {
 if( !aAllowUnconnected )
 return false;
 else
 // if it is not a BOARD_CONNECTED_ITEM, treat it as if there was no net assigned
 current_netcode = 0;
 }

 assert( current_netcode >= 0 );

 if( netcode < 0 )
 {
 netcode = current_netcode;

 if( netcode == NETINFO_LIST::UNCONNECTED && !aAllowUnconnected )
 return false;
 }
 else if( netcode != current_netcode )
 {
 return false;
 }
 }

 return true;
}


bool PCB_SELECTION_CONDITIONS::sameLayerFunc( const SELECTION& aSelection )
{
 if( aSelection.Empty() )
 return false;

 LSET layerSet;
 layerSet.set();

 for( const auto& i : aSelection )
 {
 auto item = static_cast<BOARD_ITEM*>( i );
 layerSet &= item->GetLayerSet();

 if( !layerSet.any() ) // there are no common layers left
 return false;
 }

 return true;
}


bool PCB_SELECTION_CONDITIONS::onlyGraphicShapeTypesFunc( const SELECTION& aSelection,
 const std::set<SHAPE_T> aTypes )
{
 if( aSelection.Empty() )
 return false;

 for( const EDA_ITEM* item : aSelection )
 {
 if( item->Type() != PCB_SHAPE_T && item->Type() != PCB_FP_SHAPE_T )
 return false;

 SHAPE_T shape = static_cast<const PCB_SHAPE*>( item )->GetShape();

 if( !aTypes.count( shape ) )
 return false;
 }

 return true;
}