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			37 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #pragma once
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| 
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| #include <LibGUI/GModel.h>
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| 
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| class GSortingProxyModel final : public GModel {
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| public:
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|     static Retained<GSortingProxyModel> create(Retained<GModel>&& model) { return adopt(*new GSortingProxyModel(move(model))); }
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|     virtual ~GSortingProxyModel() override;
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| 
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|     virtual int row_count(const GModelIndex& = GModelIndex()) const override;
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|     virtual int column_count(const GModelIndex& = GModelIndex()) const override;
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|     virtual String row_name(int) const override;
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|     virtual String column_name(int) const override;
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|     virtual ColumnMetadata column_metadata(int) const override;
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|     virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
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|     virtual void update() override;
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|     virtual void activate(const GModelIndex&) override;
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| 
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|     virtual int key_column() const override { return m_key_column; }
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|     virtual GSortOrder sort_order() const override { return m_sort_order; }
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|     virtual void set_key_column_and_sort_order(int, GSortOrder) override;
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| 
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|     GModelIndex map_to_target(const GModelIndex&) const;
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| 
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| private:
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|     explicit GSortingProxyModel(Retained<GModel>&&);
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| 
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|     GModel& target() { return *m_target; }
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|     const GModel& target() const { return *m_target; }
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| 
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|     void resort();
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| 
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|     Retained<GModel> m_target;
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|     Vector<int> m_row_mappings;
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|     int m_key_column { -1 };
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|     GSortOrder m_sort_order { GSortOrder::Ascending };
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| };
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