/*
 * Copyright © 2011-2020 Frictional Games
 * 
 * This file is part of Amnesia: A Machine For Pigs.
 * 
 * Amnesia: A Machine For Pigs is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version. 

 * Amnesia: A Machine For Pigs is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Amnesia: A Machine For Pigs.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef HPL_WIDGET_MENU
#define HPL_WIDGET_MENU

#include "gui/Widget.h"

#include "system/SystemTypes.h"

using namespace std;

namespace hpl {

	class cGuiSet;
	class cGuiSkin;
	class cWidgetMenuItem;

	typedef vector<cWidgetMenuItem*>		tWidgetMenuItemVector;
	typedef tWidgetMenuItemVector::iterator	tWidgetMenuItemVectorIt;

	
	class iWidgetMenu : public iWidget
	{
		friend class cWidgetMenuItem;
	public:
		iWidgetMenu(eWidgetType aeMenuType,cGuiSet *apSet, cGuiSkin *apSkin);
		virtual ~iWidgetMenu();

		virtual cWidgetMenuItem* AddMenuItem(const tWString &asText);
		virtual void AddSeparator() {}
		virtual void ClearMenuItems();

		

		void SetParentItem( cWidgetMenuItem* apParentItem );
		cWidgetMenuItem* GetParentItem() { return mpParentItem; }
		iWidgetMenu* GetParentMenu();

		void SetPrevAttention(iWidget* apWidget) { mpPrevAttention = apWidget; }

		void SetHighlightedItem( cWidgetMenuItem* apItem ) { if(apItem!=mpHighlightedItem) mpHighlightedItem = apItem; }
		cWidgetMenuItem* GetHightlightedItem () { return mpHighlightedItem; }

		/**
		 * Hide() : Hides current menu and submenues
		 */
		virtual void Hide(){}

		virtual void SetMustHide(bool abX);

		bool IsSubmenuOpen();

		iWidgetMenu* GetTopMostMenu();

		virtual void OnChildMenuHide() {};

		void SetTextPos(const cVector3f& avPos) { mvTextPos = avPos; }
		void SetArrowPos(const cVector3f& avPos) { mvArrowPos = avPos; }
		void SetCheckPos(const cVector3f& avPos) { mvCheckPos = avPos; }

		const cVector3f& GetTextOffset() { return mvTextPos; }
		const cVector3f& GetArrowOffset() { return mvArrowPos; }
		const cVector3f& GetCheckOffset() { return mvCheckPos; }

		virtual float GetMenuItemWidth() { return 0; }

	protected:

		/**
		* void UpdateMenuItemsPos(cWidgetMenuItem* apNewItem) : update item positions after adding apNewItem
		*/ 

		virtual void UpdateMenuItemsPos(cWidgetMenuItem* apNewItem) {};

		/**
		* void UpdateMenuItemsSize(cWidgetMenuItem* apNewItem) : update item sizes after adding apNewItem
		*/ 
		virtual void UpdateMenuItemsSize(cWidgetMenuItem* apNewItem) {};

		virtual void UpdateMenuWidth(float afWidth) {};



		////////////////////////////
		// Data
        tWidgetMenuItemVector mvMenuItems;
		cWidgetMenuItem* mpHighlightedItem;

		cVector3f mvTextPos;
		cVector3f mvArrowPos;
		cVector3f mvCheckPos;

		cWidgetMenuItem* mpParentItem;

		iWidget* mpPrevAttention;

		bool mbMustHide;
	};

};

#endif	// HPL_WIDGET_MENU
