axmol/extensions/scripting/lua-bindings/manual/cocostudio/CustomGUIReader.cpp

/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axis-project.github.io/

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 of this software and associated documentation files (the "Software"), to deal
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#include "scripting/lua-bindings/manual/cocostudio/CustomGUIReader.h"
#include "scripting/lua-bindings/manual/CCLuaEngine.h"
#include "rapidjson/writer.h"
#include "rapidjson/stringbuffer.h"

USING_NS_AX;

namespace cocostudio
{

CustomGUIReader* CustomGUIReader::create(std::string& className, int createFunc, int setPropsFunc)
{
    auto reader = new CustomGUIReader();
    reader->init(className, createFunc, setPropsFunc);
    return reader;
}

Ref* CustomGUIReader::createInstance()
{
    Ref* result     = nullptr;
    LuaStack* stack = LuaEngine::getInstance()->getLuaStack();
    stack->executeFunction(_createFunc, 0, 1, [&result](lua_State* L, int numReturn) {
        result = static_cast<Ref*>(tolua_tousertype(L, -1, nullptr));
        lua_pop(L, 1);
    });
    return result;
}

CustomGUIReader::CustomGUIReader() : _className(), _createFunc(0), _setPropsFunc(0) {}

CustomGUIReader::~CustomGUIReader()
{
    if (_createFunc)
    {
        LuaEngine::getInstance()->removeScriptHandler(_createFunc);
        _createFunc = 0;
    }
    if (_setPropsFunc)
    {
        LuaEngine::getInstance()->removeScriptHandler(_setPropsFunc);
        _setPropsFunc = 0;
    }
}

void CustomGUIReader::init(std::string& className, int createFunc, int setPropsFunc)
{
    _className    = className;
    _createFunc   = createFunc;
    _setPropsFunc = setPropsFunc;

    ObjectFactory* factoryCreate = ObjectFactory::getInstance();
    ObjectFactory::TInfo t;
    t._class = className;
    t._func  = CC_CALLBACK_0(CustomGUIReader::createInstance, this);
    factoryCreate->registerType(t);

    auto guiReader            = GUIReader::getInstance();
    auto objMap               = guiReader->getParseObjectMap();
    (*objMap)[className]      = this;
    auto callbackMap          = guiReader->getParseCallBackMap();
    (*callbackMap)[className] = parseselector(CustomGUIReader::setCustomProps);
}

void CustomGUIReader::setCustomProps(std::string_view classType,
                                     axis::Ref* widget,
                                     const rapidjson::Value& customOptions)
{
    if (_setPropsFunc != 0)
    {
        rapidjson::StringBuffer buffer;
        rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
        customOptions.Accept(writer);

        auto stack = LuaEngine::getInstance()->getLuaStack();
        stack->pushString(classType);
        stack->pushObject(widget, "ax.Ref");
        stack->pushString(buffer.GetString(), static_cast<int>(buffer.GetSize()));
        stack->executeFunctionByHandler(_setPropsFunc, 3);
    }
}
}  // namespace cocostudio