/*

* 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:  Implementation of paper lines of Notepad/Template Editor.

*

*/

// INCLUDE FILES

#include <AknUtils.h>

#include <barsread.h>

#include <applayout.cdl.h>

#include <eikrted.h>    // for CRichTextEditor

#include <aknlayoutscalable_apps.cdl.h>

#include <aknappui.h>

#include <eikdialg.h>

#include <AknsFrameBackgroundControlContext.h>

#include <skinlayout.cdl.h>

#include "NpdEdwinLines.h"

#include "NpdEdwin.h"

#include "NpdLibPanic.h"

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CNotepadEdwinLines::CNotepadEdwinLines

// public Constructor

// -----------------------------------------------------------------------------

//

CNotepadEdwinLines::CNotepadEdwinLines(CEikDialog* aParent)

    : CCoeControl(),iParent(aParent),iBgContext(NULL)

    	{

    	}

// -----------------------------------------------------------------------------

// CNotepadEdwinLines::~CNotepadEdwinLines

// Destructor

// -----------------------------------------------------------------------------

//

CNotepadEdwinLines::~CNotepadEdwinLines()

	{

    	iRects.Close();

    	if(iBgContext != NULL)

    		{

    		delete iBgContext;

    		iBgContext = NULL;	

		}

	}

// -----------------------------------------------------------------------------

// CNotepadEdwinLines::AddRectsAndLayout

// from CNotepadEdwinLines (called from SizeChanged)

// -----------------------------------------------------------------------------

//

void CNotepadEdwinLines::AddRectsAndLayout(RRegion& aRegion)

	{

	TAknLayoutRect mainNotesPane;

	TAknLayoutRect lineLayout;

	TAknLayoutRect line;

	TAknLayoutScalableParameterLimits textLimits ;

	TRect tempMainPane;

	TRect statusPane;

	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,tempMainPane);

	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,statusPane);

	TRect mainPane(TPoint(0, 0), tempMainPane.Size());

	mainNotesPane.LayoutRect(mainPane, AknLayoutScalable_Apps::main_notes_pane().LayoutLine());

	lineLayout.LayoutRect(mainNotesPane.Rect(),AknLayoutScalable_Apps::list_notes_pane().LayoutLine());

	textLimits = AknLayoutScalable_Apps::list_notes_text_pane_ParamLimits();

	TInt lineCount = textLimits.LastRow() - textLimits.FirstRow() + 1;

	// The array iRects should be reset, when there is a change 

	// in the no of lines after a layout switch

	if ( iRects.Count() != lineCount )

		{

		iRects.Reset();

   		for (TInt j(textLimits.FirstRow()); j <= textLimits.LastRow(); j++)

			{

    		iRects.Append( TAknLayoutRect() );

			}

		}

	for ( TInt i(textLimits.FirstRow()); i <= textLimits.LastRow(); i++ )

		{

		line.LayoutRect(lineLayout.Rect(),AknLayoutScalable_Apps::list_notes_text_pane(i).LayoutLine());

		iRects[i].LayoutRect(line.Rect() ,AknLayoutScalable_Apps::list_notes_text_pane_g1().LayoutLine());

		aRegion.AddRect(iRects[i].Rect());

		}

	}

// -----------------------------------------------------------------------------

// CNotepadEdwinLines::ConstructFromResourceL

// from CCoeControl

// -----------------------------------------------------------------------------

//

void CNotepadEdwinLines::ConstructFromResourceL(TResourceReader& /*aReader*/)

	{

	TAknLayoutScalableParameterLimits textLimits ;  

    	TInt ignor;

	TRAP(ignor,

    		iBgContext = CAknsFrameBackgroundControlContext::NewL( 

    			KAknsIIDQsnFrNotepad, 

    			TRect(0,0,0,0), 

    			TRect(0,0,0,0), 

    			EFalse );

        		);

        ignor = KErrNone;		

    	textLimits = AknLayoutScalable_Apps::list_notes_text_pane_ParamLimits();

	for (TInt i(textLimits.FirstRow()); i <= textLimits.LastRow(); i++)

		{

	 	User::LeaveIfError(iRects.Append(TAknLayoutRect()));

		}

	}

// -----------------------------------------------------------------------------

// CNotepadEdwinLines::Draw

// from CCoeControl

// -----------------------------------------------------------------------------

//

void CNotepadEdwinLines::Draw(const TRect& /*aRect*/) const

	{

    	CWindowGc& gc = SystemGc();

    	for(TInt i(iRects.Count() - 1); i >= 0; i--)

        		{

        		iRects[i].DrawRect(gc);

        		}

    	}

// ---------------------------------------------------------

// CNotepadEdwinLines::MopSupplyObject(TTypeUid aId)

// Handles a change to the control's resources.

// ---------------------------------------------------------

//

TTypeUid::Ptr CNotepadEdwinLines::MopSupplyObject(TTypeUid aId)

	{

	if((aId.iUid == MAknsControlContext::ETypeId) && (iBgContext != NULL))

		{

		return MAknsControlContext::SupplyMopObject(aId, iBgContext);

		}

	return CCoeControl::MopSupplyObject(aId);

	}

// ---------------------------------------------------------

// CNotepadEdwinLines::HandleResourceChange(TInt aType)

// Handles a change to the control's resources.

// ---------------------------------------------------------

//

void CNotepadEdwinLines::HandleResourceChange(TInt aType)

	{

	if(aType == KAknsMessageSkinChange)

		{

		if(iBgContext)

			{

			delete iBgContext;

			iBgContext = NULL;

			}

		TInt ignor;

		TRAP(ignor,

			iBgContext = CAknsFrameBackgroundControlContext::NewL( 

				KAknsIIDQsnFrNotepad, 

				TRect(0,0,0,0), 

				TRect(0,0,0,0), 

				EFalse );

			);

		ignor = KErrNone;

		SizeChanged();

		DrawDeferred();

		}

	}

void CNotepadEdwinLines::SizeChanged()

	{

    	TRect rect( iParent->Rect() );

    	RRegion region;

    	AddRectsAndLayout(region);

    	Window().SetShape(region);

    	region.Close();

	}

// -----------------------------------------------------------------------------

// CNotepadEdwinLines::SetContainerWindowL

// cf. CEikEdwin::SetContainerWindowL.

// -----------------------------------------------------------------------------

//

void CNotepadEdwinLines::SetContainerWindowL(const CCoeControl& aContainer)

	{

    	if ( !OwnsWindow() )

        		{

        		CreateWindowL(&aContainer); // include SetMopParent

        		}

    	else

        		{

        		CCoeControl::SetContainerWindowL(aContainer);

        		}

	}

// End of File