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https://github.com/RGBCube/serenity
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b6c3fad078
Add function to update a JsonArrayModel without invalidating it. Now, for example in the SystemMonitor in the Network tab, a selected line will not be deselected whenever the data is updated.
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <LibGUI/Model.h>
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namespace GUI {
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class JsonArrayModel final : public Model {
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public:
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struct FieldSpec {
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FieldSpec(const String& a_column_name, Gfx::TextAlignment a_text_alignment, Function<Variant(const JsonObject&)>&& a_massage_for_display, Function<Variant(const JsonObject&)>&& a_massage_for_sort = {}, Function<Variant(const JsonObject&)>&& a_massage_for_custom = {})
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: column_name(a_column_name)
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, text_alignment(a_text_alignment)
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, massage_for_display(move(a_massage_for_display))
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, massage_for_sort(move(a_massage_for_sort))
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, massage_for_custom(move(a_massage_for_custom))
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{
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}
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FieldSpec(const String& a_json_field_name, const String& a_column_name, Gfx::TextAlignment a_text_alignment)
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: json_field_name(a_json_field_name)
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, column_name(a_column_name)
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, text_alignment(a_text_alignment)
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{
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}
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String json_field_name;
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String column_name;
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Gfx::TextAlignment text_alignment;
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Function<Variant(const JsonObject&)> massage_for_display;
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Function<Variant(const JsonObject&)> massage_for_sort;
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Function<Variant(const JsonObject&)> massage_for_custom;
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};
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static NonnullRefPtr<JsonArrayModel> create(const String& json_path, Vector<FieldSpec>&& fields)
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{
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return adopt_ref(*new JsonArrayModel(json_path, move(fields)));
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}
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virtual ~JsonArrayModel() override { }
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virtual int row_count(const ModelIndex& = ModelIndex()) const override { return m_array.size(); }
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virtual int column_count(const ModelIndex& = ModelIndex()) const override { return m_fields.size(); }
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virtual String column_name(int column) const override { return m_fields[column].column_name; }
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virtual Variant data(const ModelIndex&, ModelRole = ModelRole::Display) const override;
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virtual void invalidate() override;
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virtual void update();
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const String& json_path() const { return m_json_path; }
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void set_json_path(const String& json_path);
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bool add(const Vector<JsonValue>&& fields);
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bool set(int row, Vector<JsonValue>&& fields);
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bool remove(int row);
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bool store();
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private:
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JsonArrayModel(const String& json_path, Vector<FieldSpec>&& fields)
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: m_json_path(json_path)
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, m_fields(move(fields))
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{
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}
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String m_json_path;
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Vector<FieldSpec> m_fields;
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JsonArray m_array;
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};
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}
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