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https://github.com/SerenityOS/serenity
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72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <LibGUI/Model.h>
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namespace GUI {
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class SortingProxyModel final : public Model {
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public:
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static NonnullRefPtr<SortingProxyModel> create(NonnullRefPtr<Model>&& model) { return adopt(*new SortingProxyModel(move(model))); }
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virtual ~SortingProxyModel() override;
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virtual int row_count(const ModelIndex& = ModelIndex()) const override;
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virtual int column_count(const ModelIndex& = ModelIndex()) 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 Variant data(const ModelIndex&, Role = Role::Display) const override;
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virtual void update() override;
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virtual StringView drag_data_type() const override;
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virtual int key_column() const override { return m_key_column; }
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virtual SortOrder sort_order() const override { return m_sort_order; }
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virtual void set_key_column_and_sort_order(int, SortOrder) override;
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ModelIndex map_to_target(const ModelIndex&) const;
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private:
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explicit SortingProxyModel(NonnullRefPtr<Model>&&);
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Model& target() { return *m_target; }
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const Model& target() const { return *m_target; }
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void resort();
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void set_sorting_case_sensitive(bool b) { m_sorting_case_sensitive = b; }
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bool is_sorting_case_sensitive() { return m_sorting_case_sensitive; }
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NonnullRefPtr<Model> m_target;
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Vector<int> m_row_mappings;
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int m_key_column { -1 };
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SortOrder m_sort_order { SortOrder::Ascending };
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bool m_sorting_case_sensitive { false };
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};
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}
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