MyGUI_LayoutManager.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#ifndef MYGUI_LAYOUT_MANAGER_H_
#define MYGUI_LAYOUT_MANAGER_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Singleton.h"
#include "MyGUI_EventPair.h"
#include "MyGUI_XmlDocument.h"
#include "MyGUI_WidgetDefines.h"
#include "MyGUI_ResourceLayout.h"
#include "MyGUI_BackwardCompatibility.h"
 
namespace MyGUI
{
 
    using EventHandle_CreateWidgetDelegate = delegates::MultiDelegate<Widget*, const WidgetInfo&>;
    using EventHandle_AddUserStringDelegate = EventPairConvertStringView<
        delegates::MultiDelegate<Widget*, const std::string&, const std::string&>,
        delegates::MultiDelegate<Widget*, std::string_view, std::string_view>>;
 
    class MYGUI_EXPORT LayoutManager : public MemberObsolete<LayoutManager>
    {
        MYGUI_SINGLETON_DECLARATION(LayoutManager);
 
    public:
        LayoutManager();
 
        void initialise();
        void shutdown();
 
        VectorWidgetPtr loadLayout(std::string_view _file, std::string_view _prefix = {}, Widget* _parent = nullptr);
 
        void unloadLayout(VectorWidgetPtr& _widgets);
 
        ResourceLayout* getByName(std::string_view _name, bool _throw = true) const;
 
        bool isExist(std::string_view _name) const;
 
        EventHandle_CreateWidgetDelegate eventCreateWidget;
 
        EventHandle_AddUserStringDelegate eventAddUserString;
 
        const std::string& getCurrentLayout() const;
 
    private:
        void _load(xml::ElementPtr _node, std::string_view _file, Version _version);
 
    private:
        bool mIsInitialise{false};
        std::string mCurrentLayoutName;
        std::string mXmlLayoutTagName;
    };
 
} // namespace MyGUI
 
#endif // MYGUI_LAYOUT_MANAGER_H_