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path: root/Libraries/LibGUI/GJsonArrayModel.h
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#pragma once

#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibGUI/GModel.h>

class GJsonArrayModel final : public GModel {
public:
    struct FieldSpec {
        FieldSpec(const String& a_column_name, TextAlignment a_text_alignment, Function<GVariant(const JsonObject&)>&& a_massage_for_display, Function<GVariant(const JsonObject&)>&& a_massage_for_sort = {}, Function<GVariant(const JsonObject&)>&& a_massage_for_custom = {})
            : column_name(a_column_name)
            , text_alignment(a_text_alignment)
            , massage_for_display(move(a_massage_for_display))
            , massage_for_sort(move(a_massage_for_sort))
            , massage_for_custom(move(a_massage_for_custom))
        {
        }

        FieldSpec(const String& a_json_field_name, const String& a_column_name, TextAlignment a_text_alignment)
            : json_field_name(a_json_field_name)
            , column_name(a_column_name)
            , text_alignment(a_text_alignment)
        {
        }

        String json_field_name;
        String column_name;
        TextAlignment text_alignment;
        Function<GVariant(const JsonObject&)> massage_for_display;
        Function<GVariant(const JsonObject&)> massage_for_sort;
        Function<GVariant(const JsonObject&)> massage_for_custom;
    };

    static NonnullRefPtr<GJsonArrayModel> create(const String& json_path, Vector<FieldSpec>&& fields)
    {
        return adopt(*new GJsonArrayModel(json_path, move(fields)));
    }

    virtual ~GJsonArrayModel() override {}

    virtual int row_count(const GModelIndex& = GModelIndex()) const override { return m_array.size(); }
    virtual int column_count(const GModelIndex& = GModelIndex()) const override { return m_fields.size(); }
    virtual String column_name(int column) const override { return m_fields[column].column_name; }
    virtual ColumnMetadata column_metadata(int) const override;
    virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
    virtual void update() override;

    const String& json_path() const { return m_json_path; }
    void set_json_path(const String& json_path);

private:
    GJsonArrayModel(const String& json_path, Vector<FieldSpec>&& fields)
        : m_json_path(json_path)
        , m_fields(move(fields))
    {
    }

    String m_json_path;
    Vector<FieldSpec> m_fields;
    JsonArray m_array;
};