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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/JsonArray.h>
30#include <AK/JsonObject.h>
31#include <LibGUI/Model.h>
32
33namespace GUI {
34
35class JsonArrayModel final : public Model {
36public:
37 struct FieldSpec {
38 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 = {})
39 : column_name(a_column_name)
40 , text_alignment(a_text_alignment)
41 , massage_for_display(move(a_massage_for_display))
42 , massage_for_sort(move(a_massage_for_sort))
43 , massage_for_custom(move(a_massage_for_custom))
44 {
45 }
46
47 FieldSpec(const String& a_json_field_name, const String& a_column_name, Gfx::TextAlignment a_text_alignment)
48 : json_field_name(a_json_field_name)
49 , column_name(a_column_name)
50 , text_alignment(a_text_alignment)
51 {
52 }
53
54 String json_field_name;
55 String column_name;
56 Gfx::TextAlignment text_alignment;
57 Function<Variant(const JsonObject&)> massage_for_display;
58 Function<Variant(const JsonObject&)> massage_for_sort;
59 Function<Variant(const JsonObject&)> massage_for_custom;
60 };
61
62 static NonnullRefPtr<JsonArrayModel> create(const String& json_path, Vector<FieldSpec>&& fields)
63 {
64 return adopt(*new JsonArrayModel(json_path, move(fields)));
65 }
66
67 virtual ~JsonArrayModel() override {}
68
69 virtual int row_count(const ModelIndex& = ModelIndex()) const override { return m_array.size(); }
70 virtual int column_count(const ModelIndex& = ModelIndex()) const override { return m_fields.size(); }
71 virtual String column_name(int column) const override { return m_fields[column].column_name; }
72 virtual ColumnMetadata column_metadata(int) const override;
73 virtual Variant data(const ModelIndex&, Role = Role::Display) const override;
74 virtual void update() override;
75
76 const String& json_path() const { return m_json_path; }
77 void set_json_path(const String& json_path);
78
79private:
80 JsonArrayModel(const String& json_path, Vector<FieldSpec>&& fields)
81 : m_json_path(json_path)
82 , m_fields(move(fields))
83 {
84 }
85
86 String m_json_path;
87 Vector<FieldSpec> m_fields;
88 JsonArray m_array;
89};
90
91}