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_XmlDocument.h"
#include "MyGUI_WidgetDefines.h"
#include "MyGUI_ResourceLayout.h"
#include "MyGUI_BackwardCompatibility.h"

namespace MyGUI
{

    typedef delegates::CMultiDelegate3<Widget*, const std::string&, const std::string&> EventHandle_AddUserStringDelegate;

    class MYGUI_EXPORT LayoutManager :
        public Singleton<LayoutManager>,
        public MemberObsolete<LayoutManager>
    {
    public:
        LayoutManager();

        void initialise();
        void shutdown();

        VectorWidgetPtr loadLayout(const std::string& _file, const std::string& _prefix = "", Widget* _parent = nullptr);

        void unloadLayout(VectorWidgetPtr& _widgets);

        ResourceLayout* getByName(const std::string& _name, bool _throw = true) const;

        bool isExist(const std::string& _name) const;

        EventHandle_AddUserStringDelegate eventAddUserString;

        const std::string& getCurrentLayout() const;

    private:
        void _load(xml::ElementPtr _node, const std::string& _file, Version _version);

    private:
        bool mIsInitialise;
        std::string mCurrentLayoutName;
        std::string mXmlLayoutTagName;
    };

} // namespace MyGUI

#endif // __MYGUI_LAYOUT_MANAGER_H__