mirror of
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138 lines
4 KiB
C++
138 lines
4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/JsonObject.h>
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#include <LibCore/File.h>
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#include <LibGUI/JsonArrayModel.h>
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namespace GUI {
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void JsonArrayModel::update()
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{
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auto file = Core::File::construct(m_json_path);
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if (!file->open(Core::IODevice::ReadOnly)) {
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dbg() << "Unable to open " << file->filename();
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m_array.clear();
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did_update();
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return;
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}
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auto json = JsonValue::from_string(file->read_all());
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ASSERT(json.has_value());
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ASSERT(json.value().is_array());
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m_array = json.value().as_array();
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did_update();
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}
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bool JsonArrayModel::store()
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{
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auto file = Core::File::construct(m_json_path);
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if (!file->open(Core::IODevice::WriteOnly)) {
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dbg() << "Unable to open " << file->filename();
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return false;
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}
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file->write(m_array.to_string());
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file->close();
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return true;
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}
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bool JsonArrayModel::add(const Vector<JsonValue>&& values)
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{
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ASSERT(values.size() == m_fields.size());
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JsonObject obj;
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for (size_t i = 0; i < m_fields.size(); ++i) {
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auto& field_spec = m_fields[i];
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obj.set(field_spec.json_field_name, values.at(i));
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}
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m_array.append(move(obj));
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did_update();
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return true;
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}
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bool JsonArrayModel::remove(int row)
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{
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if (row >= m_array.size())
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return false;
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JsonArray new_array;
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for (int i = 0; i < m_array.size(); ++i)
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if (i != row)
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new_array.append(m_array.at(i));
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m_array = new_array;
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did_update();
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return true;
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}
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Variant JsonArrayModel::data(const ModelIndex& index, ModelRole role) const
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{
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auto& field_spec = m_fields[index.column()];
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auto& object = m_array.at(index.row()).as_object();
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if (role == ModelRole::TextAlignment) {
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return field_spec.text_alignment;
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}
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if (role == ModelRole::Display) {
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auto& json_field_name = field_spec.json_field_name;
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auto data = object.get(json_field_name);
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if (field_spec.massage_for_display)
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return field_spec.massage_for_display(object);
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if (data.is_number())
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return data.to_i32();
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return object.get(json_field_name).to_string();
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}
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if (role == ModelRole::Sort) {
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if (field_spec.massage_for_sort)
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return field_spec.massage_for_sort(object);
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return data(index, ModelRole::Display);
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}
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if (role == ModelRole::Custom) {
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if (field_spec.massage_for_custom)
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return field_spec.massage_for_custom(object);
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return {};
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}
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return {};
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}
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void JsonArrayModel::set_json_path(const String& json_path)
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{
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if (m_json_path == json_path)
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return;
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m_json_path = json_path;
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update();
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}
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}
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