diff options
Diffstat (limited to 'Libraries/LibGUI/JsonArrayModel.h')
-rw-r--r-- | Libraries/LibGUI/JsonArrayModel.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/Libraries/LibGUI/JsonArrayModel.h b/Libraries/LibGUI/JsonArrayModel.h new file mode 100644 index 0000000000..e29838c60f --- /dev/null +++ b/Libraries/LibGUI/JsonArrayModel.h @@ -0,0 +1,91 @@ +/* + * 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 <AK/JsonArray.h> +#include <AK/JsonObject.h> +#include <LibGUI/Model.h> + +namespace GUI { + +class JsonArrayModel final : public Model { +public: + struct FieldSpec { + 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 = {}) + : 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, Gfx::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; + Gfx::TextAlignment text_alignment; + Function<Variant(const JsonObject&)> massage_for_display; + Function<Variant(const JsonObject&)> massage_for_sort; + Function<Variant(const JsonObject&)> massage_for_custom; + }; + + static NonnullRefPtr<JsonArrayModel> create(const String& json_path, Vector<FieldSpec>&& fields) + { + return adopt(*new JsonArrayModel(json_path, move(fields))); + } + + virtual ~JsonArrayModel() override {} + + virtual int row_count(const ModelIndex& = ModelIndex()) const override { return m_array.size(); } + virtual int column_count(const ModelIndex& = ModelIndex()) 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 Variant data(const ModelIndex&, 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: + JsonArrayModel(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; +}; + +} |