#ifndef GUIShaderNodeIO_h__
#define GUIShaderNodeIO_h__

#include <gui/GUIWindow.h>
#include <gui/GUIPlane.h>
#include <gui/GUIText.h>
#include "GUINodePort.h"
#include <shaders/IShaderGraphNodePort.h>

class GUIShaderNode;
class GUIShaderNodeIO : public GUIWindow
{
	friend class GUIShaderNode;
public:
	EVENT2(IOEvent, GUIShaderNodeIO*, GUIShaderNodeIO*);
	IOEvent Event_Link;

    MouseEvent Event_PortClick;

	GUIShaderNodeIO(GUIShaderNode* _parent);
	~GUIShaderNodeIO();
	int id;
	void SetMode(bool input);
	void Update(float dt);
	void RenderSelf();
	void SetBackColor(const Vec4f& color);
	void SetCaption(const String& _caption);
	bool IsInput(){return mode_input;}
	Vec2i GetAttachPoint();
	GUIShaderNode* Owner;
    IShaderGraphNodePort* GraphicsPort;
private:
	void AcceptLink(GUINodePort* me, GUINodePort* other);
	bool can_drag;
	void OnArrowPress(GUIWindow* w, int arg);
    void OnArrowClick(GUIWindow* w, int arg);
	GUINodePort* arrow;
	GUIText* caption;
	bool mode_input;
};
#endif // GUIShaderNodeIO_h__