1 /* 2 Copyright (C) 2010-2014 Kristian Duske 3 4 This file is part of TrenchBroom. 5 6 TrenchBroom is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 TrenchBroom is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef TrenchBroom_HitFilter 21 #define TrenchBroom_HitFilter 22 23 #include "Hit.h" 24 #include "SharedPointer.h" 25 26 namespace TrenchBroom { 27 namespace Model { 28 class HitFilter { 29 private: 30 class Always; 31 class Never; 32 public: 33 static HitFilter* always(); 34 static HitFilter* never(); 35 36 virtual ~HitFilter(); 37 bool matches(const Hit& hit) const; 38 private: 39 virtual bool doMatches(const Hit& hit) const = 0; 40 }; 41 42 class HitFilterChain : public HitFilter { 43 private: 44 const HitFilter* m_filter; 45 const HitFilter* m_next; 46 public: 47 HitFilterChain(const HitFilter* filter, const HitFilter* next); 48 ~HitFilterChain(); 49 private: 50 bool doMatches(const Hit& hit) const; 51 }; 52 53 class TypedHitFilter : public HitFilter { 54 private: 55 Hit::HitType m_typeMask; 56 public: 57 TypedHitFilter(Hit::HitType typeMask); 58 private: 59 bool doMatches(const Hit& hit) const; 60 }; 61 62 class SelectionHitFilter : public HitFilter { 63 private: 64 bool doMatches(const Hit& hit) const; 65 }; 66 67 class MinDistanceHitFilter : public HitFilter { 68 private: 69 FloatType m_minDistance; 70 public: 71 MinDistanceHitFilter(FloatType minDistance); 72 private: 73 bool doMatches(const Hit& hit) const; 74 }; 75 76 class EditorContext; 77 78 class ContextHitFilter : public HitFilter { 79 private: 80 const EditorContext& m_context; 81 public: 82 ContextHitFilter(const EditorContext& context); 83 private: 84 bool doMatches(const Hit& hit) const; 85 }; 86 } 87 } 88 89 #endif /* defined(TrenchBroom_HitFilter) */ 90