/****************************************************************************
 * Copyright (C) 2011
 * by Dimok
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any
 * damages arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any
 * purpose, including commercial applications, and to alter it and
 * redistribute it freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you
 * must not claim that you wrote the original software. If you use
 * this software in a product, an acknowledgment in the product
 * documentation would be appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and
 * must not be misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source
 * distribution.
 ***************************************************************************/
#ifndef CHECKBOXBROWSER_HPP_
#define CHECKBOXBROWSER_HPP_

#include <vector>
#include <string>
#include "gui_checkbox.hpp"
#include "gui_scrollbar.hpp"

class GuiCheckboxBrowser : public GuiElement, public sigslot::has_slots<>
{
	public:
		GuiCheckboxBrowser(int w, int h, int maxSize = 7);
		virtual ~GuiCheckboxBrowser();
		bool AddEntrie(const std::string &text, bool checked = false, int style = GuiCheckbox::CHECKSIGN, bool multistates = false);
		int GetSelected() const { return pageIndex+selectedItem; }
		bool IsChecked(u32 i) { if(i >= checkBoxList.size()) return false; else return checkBoxList[i]->IsChecked(); }
		GuiCheckbox *GetCheckbox(u32 i) { if(i >= checkBoxList.size()) return NULL; else return checkBoxList[i]; }
		void SetMaxTextWidth(u32 w) { maxTextWidth = w; }
		void SetImage(GuiImage *Img);
		void RefreshList();
		void Clear();
		void Draw();
		void Update(GuiTrigger *t);
		sigslot::signal2<GuiCheckbox *, int> checkBoxClicked;
	private:
		void onListChange(int SelItem, int SelInd);
		void OnCheckboxClick(GuiButton *sender, int chan, const POINT &pointer);
		u16 maxSize;
		int selectedItem;
		int pageIndex;
		int pressedChan;
		int maxTextWidth;
		bool blocked;

		GuiScrollbar scrollBar;
		GuiTrigger trigA;
		GuiImage *backgroundImg;
		GuiImageData *markImgData;
		GuiImage *markImg;
		std::vector<GuiText *> textLineDrawn;
		std::vector<GuiCheckbox *> checkBoxDrawn;
		std::vector<GuiText *> textLineList;
		std::vector<GuiCheckbox *> checkBoxList;
};

#endif