mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-31 21:52:45 +00:00 
			
		
		
		
	 587f9af960
			
		
	
	
		587f9af960
		
	
	
	
	
		
			
			Also add slightly richer parse errors now that we can include a string literal with returned errors. This will allow us to use TRY() when working with JSON data.
		
			
				
	
	
		
			136 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 | |
|  *
 | |
|  * SPDX-License-Identifier: BSD-2-Clause
 | |
|  */
 | |
| 
 | |
| #include <AK/JsonObject.h>
 | |
| #include <LibCore/File.h>
 | |
| #include <LibGUI/JsonArrayModel.h>
 | |
| 
 | |
| namespace GUI {
 | |
| 
 | |
| void JsonArrayModel::invalidate()
 | |
| {
 | |
|     auto file = Core::File::construct(m_json_path);
 | |
|     if (!file->open(Core::OpenMode::ReadOnly)) {
 | |
|         dbgln("Unable to open {}", file->filename());
 | |
|         m_array.clear();
 | |
|         did_update();
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     auto json = JsonValue::from_string(file->read_all()).release_value_but_fixme_should_propagate_errors();
 | |
| 
 | |
|     VERIFY(json.is_array());
 | |
|     m_array = json.as_array();
 | |
| 
 | |
|     did_update();
 | |
| }
 | |
| 
 | |
| bool JsonArrayModel::store()
 | |
| {
 | |
|     auto file = Core::File::construct(m_json_path);
 | |
|     if (!file->open(Core::OpenMode::WriteOnly)) {
 | |
|         dbgln("Unable to open {}", file->filename());
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     file->write(m_array.to_string());
 | |
|     file->close();
 | |
|     return true;
 | |
| }
 | |
| 
 | |
| bool JsonArrayModel::add(const Vector<JsonValue>&& values)
 | |
| {
 | |
|     VERIFY(values.size() == m_fields.size());
 | |
|     JsonObject obj;
 | |
|     for (size_t i = 0; i < m_fields.size(); ++i) {
 | |
|         auto& field_spec = m_fields[i];
 | |
|         obj.set(field_spec.json_field_name, values.at(i));
 | |
|     }
 | |
|     m_array.append(move(obj));
 | |
|     did_update();
 | |
|     return true;
 | |
| }
 | |
| 
 | |
| bool JsonArrayModel::set(int row, Vector<JsonValue>&& values)
 | |
| {
 | |
|     VERIFY(values.size() == m_fields.size());
 | |
| 
 | |
|     if ((size_t)row >= m_array.size())
 | |
|         return false;
 | |
| 
 | |
|     JsonObject obj;
 | |
|     for (size_t i = 0; i < m_fields.size(); ++i) {
 | |
|         auto& field_spec = m_fields[i];
 | |
|         obj.set(field_spec.json_field_name, move(values.at(i)));
 | |
|     }
 | |
| 
 | |
|     m_array.set(row, move(obj));
 | |
|     did_update();
 | |
| 
 | |
|     return true;
 | |
| }
 | |
| 
 | |
| bool JsonArrayModel::remove(int row)
 | |
| {
 | |
|     if ((size_t)row >= m_array.size())
 | |
|         return false;
 | |
| 
 | |
|     JsonArray new_array;
 | |
|     for (size_t i = 0; i < m_array.size(); ++i)
 | |
|         if (i != (size_t)row)
 | |
|             new_array.append(m_array.at(i));
 | |
| 
 | |
|     m_array = new_array;
 | |
| 
 | |
|     did_update();
 | |
| 
 | |
|     return true;
 | |
| }
 | |
| 
 | |
| Variant JsonArrayModel::data(const ModelIndex& index, ModelRole role) const
 | |
| {
 | |
|     auto& field_spec = m_fields[index.column()];
 | |
|     auto& object = m_array.at(index.row()).as_object();
 | |
| 
 | |
|     if (role == ModelRole::TextAlignment) {
 | |
|         return field_spec.text_alignment;
 | |
|     }
 | |
| 
 | |
|     if (role == ModelRole::Display) {
 | |
|         auto& json_field_name = field_spec.json_field_name;
 | |
|         auto data = object.get(json_field_name);
 | |
|         if (field_spec.massage_for_display)
 | |
|             return field_spec.massage_for_display(object);
 | |
|         if (data.is_number())
 | |
|             return data;
 | |
|         return object.get(json_field_name).to_string();
 | |
|     }
 | |
| 
 | |
|     if (role == ModelRole::Sort) {
 | |
|         if (field_spec.massage_for_sort)
 | |
|             return field_spec.massage_for_sort(object);
 | |
|         return data(index, ModelRole::Display);
 | |
|     }
 | |
| 
 | |
|     if (role == ModelRole::Custom) {
 | |
|         if (field_spec.massage_for_custom)
 | |
|             return field_spec.massage_for_custom(object);
 | |
|         return {};
 | |
|     }
 | |
| 
 | |
|     return {};
 | |
| }
 | |
| 
 | |
| void JsonArrayModel::set_json_path(const String& json_path)
 | |
| {
 | |
|     if (m_json_path == json_path)
 | |
|         return;
 | |
| 
 | |
|     m_json_path = json_path;
 | |
|     invalidate();
 | |
| }
 | |
| 
 | |
| }
 |