// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
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//     this list of conditions and the following disclaimer in the documentation
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file visual_tool_vector_clip.h
/// @see visual_tool_vector_clip.cpp
/// @ingroup visual_ts
///

#include "visual_feature.h"
#include "visual_tool.h"
#include "spline.h"

class wxToolBar;

/// @class VisualToolVectorClipDraggableFeature
/// @brief VisualDraggableFeature with information about a feature's location
///        in the spline
class VisualToolVectorClipDraggableFeature : public VisualDraggableFeature {
public:
	/// Which curve in the spline this feature is a point on
	int index;
	/// 0-3; indicates which part of the curve this point is
	int point;
	/// @brief Constructor
	VisualToolVectorClipDraggableFeature()
		: VisualDraggableFeature()
		, index(0)
		, point(0)
	{ }
};

/// DOCME
/// @class VisualToolVectorClip
/// @brief DOCME
class VisualToolVectorClip : public VisualTool<VisualToolVectorClipDraggableFeature> {
private:

	/// DOCME
	Spline spline;

	/// DOCME
	wxToolBar *toolBar;

	/// DOCME
	int mode;

	/// DOCME

	/// DOCME
	int lastX,lastY;

	/// DOCME
	bool inverse;

	void SetMode(int mode);
	

	/// @brief DOCME
	/// @return 
	///
	bool InitializeHold();
	void UpdateHold();
	void CommitHold();


	void PopulateFeatureList();
	void UpdateDrag(VisualToolVectorClipDraggableFeature* feature);
	void CommitDrag(VisualToolVectorClipDraggableFeature* feature);
	bool InitializeDrag(VisualToolVectorClipDraggableFeature* feature);

	void DoRefresh();

public:
	VisualToolVectorClip(VideoDisplay *parent, VideoState const& video, wxToolBar *toolbar);

	void Draw();
	void OnSubTool(wxCommandEvent &event);
};