#ifndef WXSWINDOWEDITOR_H
#define WXSWINDOWEDITOR_H

#include <wx/wx.h>
#include <vector>

#include "wxsproject.h"
#include "wxseditor.h"
#include "wxscoder.h"
#include "wxsevent.h"

class wxsWidget;
class wxsDragWindow;
class wxsWindowRes;
class wxsWinUndoBuffer;

class wxsWindowEditor : public wxsEditor
{
	public:
		wxsWindowEditor(wxWindow* parent, wxsWindowRes* Resource);

		virtual ~wxsWindowEditor();

		/** Creating preview for resource */
		virtual void BuildPreview();

		/** Killing previously created preview */
		virtual void KillPreview();

		/** Closing action will store code changes */
		virtual bool Close();

		/** Saving resource */
		virtual bool Save();

		/** Returns true if resource is modified, false otherwise */
		virtual bool GetModified();

		/** Set the resources's modification state to \c modified. */
		virtual void SetModified(bool modified);

		/** Checking if can Undo */
		virtual bool CanUndo();

		/** Ckecing if can Redo */
		virtual bool CanRedo();

		/** Checking if we can cut */
		virtual bool CanCut();

		/** Checking if we can copy */
		virtual bool CanCopy();

		/** Checking if we can paste */
		virtual bool CanPaste();

		/** Undoing */
		virtual void Undo();

		/** Redoing */
		virtual void Redo();

		/** Cutting */
		virtual void Cut();

		/** Copying */
		virtual void Copy();

		/** Pasting */
		virtual void Paste();

		/** Getting undo buffer */
		inline wxsWinUndoBuffer* GetUndoBuff() { return UndoBuff; }

		/** Starting multiple-add mode.
		 *
		 * Multiple add proceedure MUST be finished with EndMultipleAdd() function
		 */
        bool StartMultipleChange();
        
        /** Ending multiple-add mode
         *
         * Multiple add procedure MUST begin with StartMultipleAdd() function
         */
        bool EndMultipleChange();

		/** Adding new widget before current selection */
		bool InsertBefore(wxsWidget* New,wxsWidget* Ref=NULL);

		/** Adding new widget after current selection */
		bool InsertAfter(wxsWidget* New,wxsWidget* Ref=NULL);

		/** Adding new widget into current selection */
		bool InsertInto(wxsWidget* New,wxsWidget* Ref=NULL);

    protected:

        /** Getting wxsWindowRes pointer to currently edited resource */
        inline wxsWindowRes* GetWinRes() { return (wxsWindowRes*)GetResource(); }
        
        /** Getting vector of selected widges. If any-level parent of widget
         *  is also selected, widget is skipped.
         */
        void GetSelectionNoChildren(std::vector<wxsWidget*>& Vector);

	private:

		/** Scrolled window, parent for preview */
        wxScrolledWindow* Scroll;

		/* Event handlers */
        void OnMouseClick(wxMouseEvent& event);
        void OnSelectWidget(wxsEvent& event);
        void OnUnselectWidget(wxsEvent& event);
        

        /** New layer used for dragging widgets */
        wxsDragWindow* DragWnd;
        
        /** Undo buffer */
        wxsWinUndoBuffer* UndoBuff;
        
        /** Flag for MultipleAddMode */
        bool InsideMultipleChange;
        
        DECLARE_EVENT_TABLE()
};


#endif // WXSWINDOWEDITOR_H