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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * Copyright (c) 2022, the SerenityOS developers.
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#pragma once
9
10#include <AK/JsonArray.h>
11#include <AK/JsonObject.h>
12#include <LibGUI/Model.h>
13
14namespace GUI {
15
16class JsonArrayModel final : public Model {
17public:
18 struct FieldSpec {
19 FieldSpec(DeprecatedString const& a_column_name, Gfx::TextAlignment a_text_alignment, Function<Variant(JsonObject const&)>&& a_massage_for_display, Function<Variant(JsonObject const&)>&& a_massage_for_sort = {}, Function<Variant(JsonObject const&)>&& a_massage_for_custom = {})
20 : column_name(a_column_name)
21 , text_alignment(a_text_alignment)
22 , massage_for_display(move(a_massage_for_display))
23 , massage_for_sort(move(a_massage_for_sort))
24 , massage_for_custom(move(a_massage_for_custom))
25 {
26 }
27
28 FieldSpec(DeprecatedString const& a_json_field_name, DeprecatedString const& a_column_name, Gfx::TextAlignment a_text_alignment)
29 : json_field_name(a_json_field_name)
30 , column_name(a_column_name)
31 , text_alignment(a_text_alignment)
32 {
33 }
34
35 DeprecatedString json_field_name;
36 DeprecatedString column_name;
37 Gfx::TextAlignment text_alignment;
38 Function<Variant(JsonObject const&)> massage_for_display;
39 Function<Variant(JsonObject const&)> massage_for_sort;
40 Function<Variant(JsonObject const&)> massage_for_custom;
41 };
42
43 static NonnullRefPtr<JsonArrayModel> create(DeprecatedString const& json_path, Vector<FieldSpec>&& fields)
44 {
45 return adopt_ref(*new JsonArrayModel(json_path, move(fields)));
46 }
47
48 virtual ~JsonArrayModel() override = default;
49
50 virtual int row_count(ModelIndex const& = ModelIndex()) const override { return m_array.size(); }
51 virtual int column_count(ModelIndex const& = ModelIndex()) const override { return m_fields.size(); }
52 virtual DeprecatedString column_name(int column) const override { return m_fields[column].column_name; }
53 virtual Variant data(ModelIndex const&, ModelRole = ModelRole::Display) const override;
54 virtual void invalidate() override;
55 virtual void update();
56
57 DeprecatedString const& json_path() const { return m_json_path; }
58 void set_json_path(DeprecatedString const& json_path);
59
60 bool add(Vector<JsonValue> const&& fields);
61 bool set(int row, Vector<JsonValue>&& fields);
62 bool remove(int row);
63 bool store();
64
65private:
66 JsonArrayModel(DeprecatedString const& json_path, Vector<FieldSpec>&& fields)
67 : m_json_path(json_path)
68 , m_fields(move(fields))
69 {
70 }
71
72 DeprecatedString m_json_path;
73 Vector<FieldSpec> m_fields;
74 JsonArray m_array;
75};
76
77}