/*

* Copyright (c) 2000-2009 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: 

*

*/

#ifndef FORM_AND_ETEXT_EDITOR_H_

#define FORM_AND_ETEXT_EDITOR_H_ 1

#include <frmtview.h>

#include <txtrich.h>

#include "unified_editor.h"

/**

TFormAndEtextEditor is an editor interface class that can be constructed as a facade

over a FORM object and an ETEXT object, which may be either a CGlobalText or a CRichText

object. It implements the unified editing interface, MUnifiedEditor,

@internalAll

*/

class TFormAndEtextEditor: public MUnifiedEditor,

	public MUnifiedEditor::MStyleSupport,

	public MUnifiedEditor::MPictureSupport,

	public MUnifiedEditor::MClipboardSupport

	{

public:

	TFormAndEtextEditor(): iTextView(NULL), iGlobalText(NULL), iRichText(NULL) { }

	TFormAndEtextEditor(CTextView& aTextView,CGlobalText& aRichText):

		iTextView(&aTextView), iGlobalText(&aRichText), iRichText(NULL) { }

	TFormAndEtextEditor(CTextView& aTextView,CRichText& aRichText):

		iTextView(&aTextView), iGlobalText(&aRichText), iRichText(&aRichText) { }

	void Set(CTextView& aTextView,CGlobalText& aGlobalText)

		{ iTextView = &aTextView; iGlobalText = &aGlobalText; iRichText = NULL; }

	void Set(CTextView& aTextView,CRichText& aRichText)

		{ iTextView = &aTextView; iGlobalText = &aRichText; iRichText = &aRichText; }

	// virtual functions from MUnifiedEditor

	IMPORT_C MTmOptionalInterface* Interface(TUint aId);

	IMPORT_C TInt DocumentLength() const;

	IMPORT_C void GetText(TInt aPos,TPtrC& aText) const;

	IMPORT_C void GetBaseFormatL(TTmCharFormat& aCharFormat,RTmParFormat& aParFormat) const;

	IMPORT_C void GetCharFormat(TInt aPos,TFormatLevel aLevel,

								TTmCharFormatLayer& aFormat,TInt& aRunLength) const;

	IMPORT_C void GetParFormatL(TInt aPos,TFormatLevel aLevel,

								RTmParFormatLayer& aFormat,TInt& aRunLength) const;

	IMPORT_C void InsertTextL(TInt aPos,const TDesC& aText,

							  const TDesC* aStyle = NULL,

							  const TTmCharFormatLayer* aCharFormat = NULL,

							  const RTmParFormatLayer* aParFormat = NULL);

	IMPORT_C void DeleteTextL(TInt aPos,TInt aLength);

	IMPORT_C void SetBaseFormatL(const TTmCharFormat& aCharFormat,const RTmParFormat& aParFormat);

	IMPORT_C void SetCharFormatL(TInt aPos,TInt aLength,const TTmCharFormatLayer& aFormat);

	IMPORT_C void SetParFormatL(TInt aPos,TInt aLength,const RTmParFormatLayer& aFormat);

	IMPORT_C void DeleteCharFormatL(TInt aPos,TInt aLength);

	IMPORT_C void DeleteParFormatL(TInt aPos,TInt aLength);

	// virtual functions from MUnifiedEditor::MStyleSupport

	IMPORT_C TInt CreateStyleL(const RTmStyle& aStyle);

	IMPORT_C TInt ChangeStyleL(const RTmStyle& aStyle);

	IMPORT_C TInt SetStyleL(TInt aPos,TInt aLength,const TDesC& aName);

	IMPORT_C TInt RenameStyleL(const TDesC& aOldName,const TDesC& aNewName);

	IMPORT_C TInt DeleteStyleL(const TDesC& aName);

	IMPORT_C TInt StyleCount() const;

	IMPORT_C void GetStyle(TInt aPos,TPtrC& aName,TInt& aRunLength) const;

	IMPORT_C TInt GetStyleByNameL(const TDesC& aName,RTmStyle& aStyle) const;

	IMPORT_C TInt GetStyleByIndexL(TInt aIndex,RTmStyle& aStyle) const;

	// virtual functions from MUnifiedEditor::MPictureSupport

	IMPORT_C void InsertPictureL(TInt aPos, const TPictureHeader& aPictureIn);

	IMPORT_C void DropPictureL(TInt aPos);

	IMPORT_C void Picture(TInt aPos, TPictureHeader& aPictureOut) const;

	// virtual functions from MUnifiedEditor::MClipboardSupport

	IMPORT_C void CopyToStoreL(CStreamStore& aStore, CStreamDictionary& aDictionary,

		TInt aPos, TInt aLength) const;

	IMPORT_C void PasteFromStoreL(const CStreamStore& aStore,

		const CStreamDictionary& aDictionary, TInt aPos);

private:

	void SetCharFormatHelperL(TInt aPos, TInt aLength, const TTmCharFormatLayer& aFormat);

	void SetParFormatHelperL(TInt aPos, TInt aLength, const RTmParFormatLayer& aFormat);

	TInt SetStyleHelperL(TInt aPos, TInt aLength, const TDesC& aName);

	void AdjustSelectionL(TInt aPos, TInt aIncreaseInCharacterNumber, TBool aFormatChanged);

	CTextView* iTextView;

	CGlobalText* iGlobalText;

	CRichText* iRichText;

	};

#endif // FORM_AND_ETEXT_EDITOR_H_