194 lines
7.4 KiB
C++
194 lines
7.4 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) 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, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef SELECTION_CONDITIONS_H_
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#define SELECTION_CONDITIONS_H_
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#include <boost/function.hpp>
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#include <core/typeinfo.h>
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#include <vector>
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struct SELECTION;
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///> Functor type that checks a specific condition for selected items.
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typedef boost::function<bool (const SELECTION&)> SELECTION_CONDITION;
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SELECTION_CONDITION operator||( const SELECTION_CONDITION& aConditionA,
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const SELECTION_CONDITION& aConditionB );
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SELECTION_CONDITION operator&&( const SELECTION_CONDITION& aConditionA,
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const SELECTION_CONDITION& aConditionB );
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/**
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* Class that groups generic conditions for selected items.
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*/
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class SELECTION_CONDITIONS
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{
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public:
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/**
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* Function ShowAlways
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* The default condition function (always returns true).
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* @param aSelection is the selection to be tested.
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* @return Always true;
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*/
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static bool ShowAlways( const SELECTION& aSelection )
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{
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return true;
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}
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/**
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* Function NotEmpty
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* Tests if there are any items selected.
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* @param aSelection is the selection to be tested.
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* @return True if there is at least one item selected.
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*/
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static bool NotEmpty( const SELECTION& aSelection );
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/**
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* Function OnlyConnectedItems
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* Tests if selection contains exclusively connected items (pads, tracks, vias, zones).
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* @param aSelection is the selection to be tested.
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* @return True if there are only connected items connected.
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*/
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static bool OnlyConnectedItems( const SELECTION& aSelection );
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/**
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* Function SameNet
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* Creates a functor that tests if selection contains items belonging to the same net or are
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* unconnected if aAllowUnconnected == true.
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* @param aAllowUnconnected determines if unconnected items (with no net code assigned) should
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* be treated as connected to the same net.
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* @return Functor testing if selected items are belonging to the same net.
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*/
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static SELECTION_CONDITION SameNet( bool aAllowUnconnected = false );
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/**
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* Function SameLayer
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* Creates a functor that tests if selection contains items that belong exclusively to the same
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* layer. In case of items belonging to multiple layers, it is enough to have a single common
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* layer with other items.
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* @return Functor testing if selected items share at least one common layer.
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*/
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static SELECTION_CONDITION SameLayer();
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/**
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* Function HasType
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* Creates a functor that tests if among the selected items there is at least one of a given type.
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* @param aType is the type that is searched.
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* @return Functor testing for presence of items of a given type.
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*/
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static SELECTION_CONDITION HasType( KICAD_T aType );
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/**
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* Function OnlyType
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* Creates a functor that tests if the selected items are *only* of given type.
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* @param aType is the type that is searched.
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* @return Functor testing if selected items are exclusively of one type.
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*/
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static SELECTION_CONDITION OnlyType( KICAD_T aType );
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/**
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* Function OnlyTypes
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* Creates a functor that tests if the selected items are *only* of given types.
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* @param aType is a vector containing types that are searched.
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* @return Functor testing if selected items are exclusively of the requested types.
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*/
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static SELECTION_CONDITION OnlyTypes( const std::vector<KICAD_T>& aTypes );
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/**
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* Function Count
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* Creates a functor that tests if the number of selected items is equal to the value given as
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* parameter.
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* @param aNumber is the number of expected items.
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* @return Functor testing if the number of selected items is equal aNumber.
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*/
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static SELECTION_CONDITION Count( int aNumber );
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/**
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* Function MoreThan
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* Creates a functor that tests if the number of selected items is greater than the value given
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* as parameter.
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* @param aNumber is the number used for comparison.
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* @return Functor testing if the number of selected items is greater than aNumber.
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*/
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static SELECTION_CONDITION MoreThan( int aNumber );
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/**
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* Function LessThan
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* Creates a functor that tests if the number of selected items is smaller than the value given
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* as parameter.
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* @param aNumber is the number used for comparison.
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* @return Functor testing if the number of selected items is smaller than aNumber.
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*/
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static SELECTION_CONDITION LessThan( int aNumber );
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private:
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///> Helper function used by SameNet()
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static bool sameNetFunc( const SELECTION& aSelection, bool aAllowUnconnected );
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///> Helper function used by SameLayer()
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static bool sameLayerFunc( const SELECTION& aSelection );
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///> Helper function used by HasType()
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static bool hasTypeFunc( const SELECTION& aSelection, KICAD_T aType );
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///> Helper function used by OnlyType()
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static bool onlyTypeFunc( const SELECTION& aSelection, KICAD_T aType );
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///> Helper function used by OnlyTypes()
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static bool onlyTypesFunc( const SELECTION& aSelection, const std::vector<KICAD_T>& aTypes );
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///> Helper function used by Count()
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static bool countFunc( const SELECTION& aSelection, int aNumber );
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///> Helper function used by MoreThan()
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static bool moreThanFunc( const SELECTION& aSelection, int aNumber );
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///> Helper function used by LessThan()
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static bool lessThanFunc( const SELECTION& aSelection, int aNumber );
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///> Helper function used by operator||
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static bool orFunc( const SELECTION_CONDITION& aConditionA,
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const SELECTION_CONDITION& aConditionB, const SELECTION& aSelection )
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{
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return aConditionA( aSelection ) || aConditionB( aSelection );
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}
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///> Helper function used by operator&&
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static bool andFunc( const SELECTION_CONDITION& aConditionA,
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const SELECTION_CONDITION& aConditionB, const SELECTION& aSelection )
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{
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return aConditionA( aSelection ) && aConditionB( aSelection );
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}
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friend SELECTION_CONDITION operator||( const SELECTION_CONDITION& aConditionA,
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const SELECTION_CONDITION& aConditionB );
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friend SELECTION_CONDITION operator&&( const SELECTION_CONDITION& aConditionA,
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const SELECTION_CONDITION& aConditionB );
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};
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#endif /* SELECTION_CONDITIONS_H_ */
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