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serenity/Libraries/LibGUI/GSortingProxyModel.h
Andreas Kling 94ca55cefd Meta: Add license header to source files
As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.

For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.

Going forward, all new source files should include a license header.
2020-01-18 09:45:54 +01:00

66 lines
2.9 KiB
C++

/*
* 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/GModel.h>
class GSortingProxyModel final : public GModel {
public:
static NonnullRefPtr<GSortingProxyModel> create(NonnullRefPtr<GModel>&& model) { return adopt(*new GSortingProxyModel(move(model))); }
virtual ~GSortingProxyModel() override;
virtual int row_count(const GModelIndex& = GModelIndex()) const override;
virtual int column_count(const GModelIndex& = GModelIndex()) const override;
virtual String row_name(int) const override;
virtual String column_name(int) const override;
virtual ColumnMetadata column_metadata(int) const override;
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual void update() override;
virtual int key_column() const override { return m_key_column; }
virtual GSortOrder sort_order() const override { return m_sort_order; }
virtual void set_key_column_and_sort_order(int, GSortOrder) override;
GModelIndex map_to_target(const GModelIndex&) const;
private:
explicit GSortingProxyModel(NonnullRefPtr<GModel>&&);
GModel& target() { return *m_target; }
const GModel& 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<GModel> m_target;
Vector<int> m_row_mappings;
int m_key_column { -1 };
GSortOrder m_sort_order { GSortOrder::Ascending };
bool m_sorting_case_sensitive { false };
};