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