/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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 *************************************************************/


#ifndef _SVX_DLGCTL3D_HXX
#define _SVX_DLGCTL3D_HXX

#include <vcl/ctrl.hxx>
#include <vcl/scrbar.hxx>
#include <vcl/button.hxx>
#include <svl/itemset.hxx>
#include "svx/svxdllapi.h"
#include <basegfx/vector/b3dvector.hxx>

//////////////////////////////////////////////////////////////////////////////

class FmFormModel;
class FmFormPage;
class E3dView;
class E3dPolyScene;
class E3dObject;

//////////////////////////////////////////////////////////////////////////////

#define	PREVIEW_OBJECTTYPE_SPHERE			0x0000
#define	PREVIEW_OBJECTTYPE_CUBE  			0x0001

//////////////////////////////////////////////////////////////////////////////

class SVX_DLLPUBLIC Svx3DPreviewControl : public Control
{
protected:
	FmFormModel*		    mpModel;
	FmFormPage*			    mpFmPage;
	E3dView*			    mp3DView;
	E3dPolyScene*		    mpScene;
	E3dObject*			    mp3DObj;
	sal_uInt16              mnObjectType;

	void Construct();

public:
	Svx3DPreviewControl(Window* pParent, const ResId& rResId);
	Svx3DPreviewControl(Window* pParent, WinBits nStyle = 0);
	~Svx3DPreviewControl();

	virtual void Paint( const Rectangle& rRect );
	virtual void MouseButtonDown( const MouseEvent& rMEvt );
	virtual void Resize();

	void Reset();
	virtual void SetObjectType(sal_uInt16 nType);
	sal_uInt16 GetObjectType() const { return( mnObjectType ); }
	SfxItemSet Get3DAttributes() const;
	virtual void Set3DAttributes(const SfxItemSet& rAttr);
};

//////////////////////////////////////////////////////////////////////////////

class SVX_DLLPUBLIC Svx3DLightControl : public Svx3DPreviewControl
{
    // Callback for interactive changes
	Link						maUserInteractiveChangeCallback;
	Link						maUserSelectionChangeCallback;
	Link						maChangeCallback;
	Link						maSelectionChangeCallback;

	// lights
	sal_uInt32			        maSelectedLight;

	// extra objects for light control
	E3dObject*					mpExpansionObject;
	E3dObject*					mpLampBottomObject;
	E3dObject*					mpLampShaftObject;
	std::vector< E3dObject* >	maLightObjects;

	// 3d rotations of object
	double						mfRotateX;
	double						mfRotateY;
	double						mfRotateZ;

	// interaction parameters
	Point						maActionStartPoint;
	sal_Int32					mnInteractionStartDistance;
	double						mfSaveActionStartHor;
	double						mfSaveActionStartVer;
	double						mfSaveActionStartRotZ;

	// bitfield
	unsigned					mbMouseMoved : 1;
    unsigned					mbGeometrySelected : 1;

	void Construct2();
	void ConstructLightObjects();
	void AdaptToSelectedLight();
	void TrySelection(Point aPosPixel);

public:
	Svx3DLightControl(Window* pParent, const ResId& rResId);
	Svx3DLightControl(Window* pParent, WinBits nStyle = 0);
	~Svx3DLightControl();

	virtual void Paint(const Rectangle& rRect);
	virtual void MouseButtonDown(const MouseEvent& rMEvt);
	virtual void Tracking( const TrackingEvent& rTEvt );
	virtual void Resize();

	virtual void SetObjectType(sal_uInt16 nType);

	// User Callback eintragen
	void SetUserInteractiveChangeCallback(Link aNew) { maUserInteractiveChangeCallback = aNew; }
	void SetUserSelectionChangeCallback(Link aNew) { maUserSelectionChangeCallback = aNew; }
	void SetChangeCallback(Link aNew) { maChangeCallback = aNew; }
	void SetSelectionChangeCallback(Link aNew) { maSelectionChangeCallback = aNew; }

    // selection checks
	bool IsSelectionValid();
	bool IsGeometrySelected() { return mbGeometrySelected; }

	// get/set position of selected lamp in polar coordinates, Hor:[0..360.0[ and Ver:[-90..90] degrees
	void GetPosition(double& rHor, double& rVer);
	void SetPosition(double fHor, double fVer);

	// get/set rotation of 3D object
	void SetRotation(double fRotX, double fRotY, double fRotZ);
	void GetRotation(double& rRotX, double& rRotY, double& rRotZ);

	void SelectLight(sal_uInt32 nLightNumber);
	virtual void Set3DAttributes(const SfxItemSet& rAttr);
	sal_uInt32 GetSelectedLight() { return maSelectedLight; }

    // light data access
    bool GetLightOnOff(sal_uInt32 nNum) const;
    Color GetLightColor(sal_uInt32 nNum) const;
    basegfx::B3DVector GetLightDirection(sal_uInt32 nNum) const;
};

//////////////////////////////////////////////////////////////////////////////

class SVX_DLLPUBLIC SvxLightCtl3D : public Control
{
private:
	// local controls
	Svx3DLightControl       maLightControl;
	ScrollBar				maHorScroller;
	ScrollBar				maVerScroller;
	PushButton				maSwitcher;

    // Callback bei interaktiven Aenderungen
	Link					maUserInteractiveChangeCallback;
	Link					maUserSelectionChangeCallback;

public:
	SvxLightCtl3D( Window* pParent, const ResId& rResId);
	SvxLightCtl3D( Window* pParent, WinBits nStyle = 0);
	~SvxLightCtl3D();

	// Reagiere auf Groessenaenderungen
	virtual void Resize();
	void NewLayout();

	// Selektion auf Gueltigkeit pruefen
	void CheckSelection();

	// Um weitere Einstellungen nach Aussen zu bringen...
	Svx3DLightControl& GetSvx3DLightControl() { return maLightControl; }

	// User Callback eintragen
	void SetUserInteractiveChangeCallback(Link aNew) { maUserInteractiveChangeCallback = aNew; }
	void SetUserSelectionChangeCallback(Link aNew) { maUserSelectionChangeCallback = aNew; }

	virtual void KeyInput( const KeyEvent& rKEvt );
    virtual void GetFocus();
    virtual void LoseFocus();

protected:

	DECL_LINK( InternalInteractiveChange, void*);
	DECL_LINK( InternalSelectionChange, void*);
	DECL_LINK( ScrollBarMove, void*);
	DECL_LINK( ButtonPress, void*);

	// Lokale Parameter Initialisieren
	void Init();

	void move( double fDeltaHor, double fDeltaVer );
};

#endif // _SCH_DLGCTL3D_HXX

//////////////////////////////////////////////////////////////////////////////
// eof