/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Declaration of customized editor control.

*

*/

#ifndef NPDEDWIN_H

#define NPDEDWIN_H

// INCLUDES

#include <eikedwin.h> //CEikEdwin

#include "NpdEdwinExposer.h"

#include "NpdEdwinBase.h"

// FORWARD DECLARATIONS

class CNotepadEdwinLines;

class CTextLayout;

class CTextView;

// CLASS DECLARATION

/**

* Customized editable window control.

* CNotepadEdwin is an editable window control class customized to implement

* the LAF of Notepad.

*  

* @lib NpdLib.lib

* @see CNotepadEditorDialog

*/

class CNotepadEdwin : public CEikEdwin,

    public MNotepadEdwinExposer

    {

    public: // New function

        /**

        * Sets the layout of the edwin and the scrollbar.

        *

        */

        void DoEditorLayoutL();

        /**

        * Initialize the editor.

        * This function should be called from dialog's PostLayoutDynInitL.

        *

        */

        void InitNotepadEditorL( 

            CEikDialog* aParent,

            CNotepadEdwinLines* aEdwinLines = NULL);

        /**

        * Construct CNotepadEdwinBase.

        * This function should be called after construction

        *

        */

        void ConstructBaseL();

        /**

        * Restrict format area of the editor to visible lines only.

        * This function calls iTextLayout->SetAmountToFormat().

        *

        */

        inline void SetAmountToFormat(TInt aDocumentSizeInCharacters);

        /**

 		* Gets an object whose type is encapsulated by 

 		* the specified TTypeUid object.

        *

        */

		TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

        /**

 		* Destructor.

        *

        */

		~CNotepadEdwin();

    public:

        /**

        * Set background color specified by LAF.

        */

        void SetBackgroundColorL();

       // Functions from base classes

        /**

        * From CCoeControl.

        * Call when a certain resource has changed.

        * We only handle KEikColorResourceChange.

        *

        * @param aType type of event.

        */

        void HandleResourceChange(TInt aType);

		private: 

        /**

        * From CCoeControl.

        * Call when a certain resource has changed.

        * We only handle KEikColorResourceChange.

        *

        * @param aType type of event.

        */

        void Draw(const TRect& aRect) const;

	/**

	* From MEdwinExposer

	* Called by iEdwinBase to get iLayout

	*/

	CTextLayout& GetLayout();

	/**

	* From MEdwinExposer

	* Called by iEdwinBase to get iTextView

	*/

	CTextView& GetTextView();

	/**

	* From MEdwinExposer

	* Called by iEdwinBase to call SetCanDrawOutsideRect()

	*/

	void CallSetCanDrawOutsideRect();

	/**

	* From MEdwinExposer

	* Called by iEdwinBase to get iCoeEnv

	*/

	CCoeEnv& GetCoeEnv();

    private: // Data

    	CNotepadEdwinBase* iEdwinBase;

    };

#include "NpdEdwin.inl"

#endif // NPDEDWIN_H

// End of File