#ifndef _IMAGELIST_FOLDERTREE_HPP_
#define _IMAGELIST_FOLDERTREE_HPP_
#ifndef _COMMON_CALLBACK_HPP_
#include <common/callback.hpp>
#endif
#ifndef _COMMON_RGBCOLOR_HPP_
#include <common/rgbcolor.hpp>
#endif
#ifndef _COMMON_CALLBACKPOINTER_HPP_
#include <common/cbptr.hpp>
#endif
#ifndef _COMMON_BLOCK_HPP_
#include <common/block.hpp>
#endif
#ifndef _IMAGELIST_TREEVIEW_HPP_
#include <imagelst/treeview.hpp>
#endif
#ifndef _IMAGELIST_IMAGELIST_HPP_
#include <imagelst/imagelst.hpp>
#endif

class TreeViewMessageHeader;
class TreeViewDisplayInfo;
class TreeViewKeyDown;
class Rect;

class FolderTree : public TreeView, public ImageList
{
public:
	enum{FolderOpen=0,FolderClosed=2};
	enum HandlerType{SelChangedHandler,SelChangingHandler,ItemExpandingHandler,
	  ItemExpandedHandler,BeginDragHandler,KeyDownHandler};
	FolderTree(GUIWindow &parentWindow,const Rect &winRect=Rect(1,1,320,200),int controlID=101,RGBColor bkColor=RGBColor(GetSysColor(COLOR_WINDOW)));
	virtual ~FolderTree();
	void insertHandler(HandlerType handlerType,PureCallback *lpCallback);
	void removeHandler(HandlerType handlerType);
protected:
	virtual WORD tvnSelChanging(const TreeViewMessageHeader &treeViewMessageHeader);
	virtual WORD tvnSelChanged(const TreeViewMessageHeader &treeViewMessageHeader);
	virtual WORD tvnGetDispInfo(TreeViewDisplayInfo &treeViewDisplayInfo);
	virtual WORD tvnSetDispInfo(TreeViewDisplayInfo &treeViewDisplayInfo);
	virtual WORD tvnItemExpanding(const TreeViewMessageHeader &treeViewMessageHeader);
	virtual WORD tvnItemExpanded(const TreeViewMessageHeader &treeViewMessageHeader);
	virtual WORD tvnBeginDrag(const TreeViewMessageHeader &TreeViewMessageHeader);
	virtual WORD tvnBeginRDrag(const TreeViewMessageHeader &TreeViewMessageHeader);
	virtual WORD tvnDeleteItem(const TreeViewMessageHeader &treeViewMessageHeader);
	virtual WORD tvnBeginLabelEdit(const TreeViewDisplayInfo &treeViewDisplayInfo);
	virtual WORD tvnEndLabelEdit(const TreeViewDisplayInfo &treeViewDisplayInfo);
	virtual WORD tvnKeyDown(const TreeViewKeyDown &treeViewKeyDown);
private:
  void callHandler(HandlerType handlerType,CallbackData &someCallbackData);
	void initHandlers(void);

	Block<CallbackPointer> mEventHandlers;
};
#endif