MyGUI_LayerManager.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_LAYER_MANAGER_H_
#define MYGUI_LAYER_MANAGER_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Singleton.h"
#include "MyGUI_Enumerator.h"
#include "MyGUI_XmlDocument.h"
#include "MyGUI_IUnlinkWidget.h"
#include "MyGUI_ResourceManager.h"
#include "MyGUI_ILayer.h"
#include "MyGUI_BackwardCompatibility.h"
 
namespace MyGUI
{
 
    class MYGUI_EXPORT LayerManager :
        public IUnlinkWidget,
        public MemberObsolete<LayerManager>
    {
        MYGUI_SINGLETON_DECLARATION(LayerManager);
    public:
        typedef std::vector<ILayer*> VectorLayer;
        typedef Enumerator<VectorLayer> EnumeratorLayer;
 
    public:
        LayerManager();
 
        void initialise();
        void shutdown();
 
        void attachToLayerNode(const std::string& _name, Widget* _item);
        void detachFromLayer(Widget* _item);
 
        void upLayerItem(Widget* _item);
 
        bool isExist(const std::string& _name) const;
        EnumeratorLayer getEnumerator() const;
 
        ILayer* createLayerAt(const std::string& _name, const std::string& _type, size_t _index);
 
        ILayer* getByName(const std::string& _name, bool _throw = true) const;
 
        size_t getLayerCount() const;
 
        ILayer* getLayer(size_t _index) const;
 
        Widget* getWidgetFromPoint(int _left, int _top) const;
 
        void renderToTarget(IRenderTarget* _target, bool _update);
 
        void resizeView(const IntSize& _viewSize);
 
        const std::string& getCategoryName() const;
 
    private:
        void _load(xml::ElementPtr _node, const std::string& _file, Version _version);
        void _unlinkWidget(Widget* _widget) override;
 
        ILayer* _createLayerObject(const std::string& _type);
 
        void clear();
 
        void merge(VectorLayer& _layers);
        void destroy(ILayer* _layer);
 
    private:
        VectorLayer mLayerNodes;
 
        bool mIsInitialise;
        std::string mCategoryName;
    };
 
} // namespace MyGUI
 
#endif // MYGUI_LAYER_MANAGER_H_