/*

* 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 Notepad/Template Editor.

*

*/

#include "NpdEdwinBase.h"

#include <AknUtils.h>

#include <txtglobl.h>

#include <barsread.h>

#include <AknsUtils.h>

#include <AknsDrawUtils.h>

#include <AknsBasicBackgroundControlContext.h>

#include <AknsFrameBackgroundControlContext.h>

#include <applayout.cdl.h>

#include <eikdialg.h>

#include <skinlayout.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <aknappui.h>

#include <NpdLib.rsg>

#include "NpdEdwin.h"

#include "NpdRichTextEditor.h"

#include "NpdLibPanic.h"

#include "NpdEdwinLines.h"

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

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

// CNotepadEdwinBase::CNotepadEdwinBase()

// Constructor

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

//

CNotepadEdwinBase::CNotepadEdwinBase()

	{

	iEdwinLines = NULL;

	iBgContext = NULL;

	iSkinContext = NULL;

    iIsFirstTimeDrawEditor = ETrue;

	}

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

// CNotepadEdwinBase::~CNotepadEdwinBase()

// Destructor

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

//

CNotepadEdwinBase::~CNotepadEdwinBase()

	{

	if(iBgContext)

		{

		delete iBgContext;

		iBgContext = NULL;	

		}

	if(iSkinContext)

		{

		delete iSkinContext;	

		}

	}

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

// CNotepadEdwinBase::Share(CEikEdwin* aEdwin, MNotepadEdwinExposer* aEdwinExposer)

// Shares the edwin and its exposer

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

//

void CNotepadEdwinBase::Share(CEikEdwin* aEdwin, MNotepadEdwinExposer* aEdwinExposer)

	{

	iEdwin = aEdwin;

	iEdwinExposer = aEdwinExposer;

	}

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

// CNotepadEdwinBase::DoEditorLayoutL

// Sets the layout of the Edwin and the scrollbar.

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

//

void CNotepadEdwinBase::DoEditorLayoutL()

	{

    	if (!iBgContext)

        	return;

    	UpdateScrollLayout();

    	iBackgroundRect = iParent->Rect();

    	if(iEdwinLines != NULL)

    		{

    		AknLayoutUtils::LayoutControl( iEdwinLines, 

        			iBackgroundRect, 0, 0, 0, 

        			AknLayoutUtilsNoValue, 

        			AknLayoutUtilsNoValue, 

        			iBackgroundRect.Width(), 

        			iBackgroundRect.Height() );

	 	}

	TAknLayoutRect mainNotesPane;

	TAknLayoutRect lineLayout;

	TRect tempMainPane;

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

	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());

	TAknLayoutScalableParameterLimits textLimits =AknLayoutScalable_Apps::list_notes_text_pane_ParamLimits();

	RArray<TAknTextComponentLayout> layouts;

	for (TInt i = 0; i < textLimits.LastRow()+1 ; i++)

    		{

    		TAknWindowComponentLayout paneLayout = AknLayoutScalable_Apps::list_notes_text_pane(i);

    		TAknTextComponentLayout textLayout = AknLayoutScalable_Apps::list_notes_text_pane_t1();

    		TAknTextComponentLayout composedTextLayout = TAknWindowComponentLayout::ComposeText(paneLayout, textLayout);

  		layouts.AppendL(composedTextLayout); 

    		}    

	TAknMultiLineTextLayout edwinLayout =

	TAknTextComponentLayout::Multiline( layouts );              

	AknLayoutUtils::LayoutEdwin(iEdwin, lineLayout.Rect(), edwinLayout, EAknsCIQsnTextColorsCG6);

	layouts.Reset();

    	// layout edwin overrides this value

    	iEdwin->SetTextSkinColorIdL(EAknsCIQsnTextColorsCG34);

    	// SetBackgroundColorL() contains modification to 

    	// Edwin's CParaFormat which was created by 

    	// AknLayoutUtils::LayoutEdwin(...), so iEditor->SetBackgroundColorL()

    	// must be called after AknLayoutUtils::LayoutEdwin(...).

    	//

    	SetBackgroundColorL();

	}

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

// CNotepadEdwinBase::InitNotepadEditorL

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

//

void CNotepadEdwinBase::InitNotepadEditorL(

    CEikDialog* aParent,

    TBool aIsRichTextEditor, 

    CNotepadEdwinLines* aEdwinLines)

    {

    iParent = aParent;

    iBackgroundRect = iParent->Rect();

    iEdwinLines = aEdwinLines;

    iIsRichTextEditor = aIsRichTextEditor;

    if (!iBgContext)

    	{

    	iBgContext = CAknsFrameBackgroundControlContext::NewL( KAknsIIDQsnFrNotepad, iBackgroundRect, iBackgroundRect, EFalse );

    	}

    if(!iSkinContext)

    	{

    	iSkinContext = CAknsBasicBackgroundControlContext::NewL(KAknsIIDQsnBgAreaMain,iBackgroundRect,EFalse);

    	}

    iBgContext->SetParentContext( iSkinContext );

    DoEditorLayoutL();    

    // EdwinEvent is used for dynamically changing Laf bitmap

    //

    iEdwin->AddEdwinObserverL(this);

    iEdwin->SetAknEditorFlags(EAknEditorFlagUseSCTNumericCharmap

                                | EAknEditorFlagEnablePictographInput

                                | EAknEditorFlagAllowEntersWithScrollDown );

    iEdwin->Text()->SetHasChanged(EFalse);

    SetAmountToFormat(iEdwin->Text()->DocumentLength()); // ensure switch to band formatting 

    iEdwinExposer->CallSetCanDrawOutsideRect(); // Redraw after Chinese FEP

    }

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

// CNotepadEdwinBase::SupplyMopObject(TTypeUid aId,TTypeUid::Ptr& ptr)

// Gets an object whose type is encapsulated by 

// the specified TTypeUid object.

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

//

TBool CNotepadEdwinBase::SupplyMopObject(TTypeUid aId,TTypeUid::Ptr& ptr)

	{

	if(aId.iUid == MAknsControlContext::ETypeId)

		{

		ptr =  MAknsControlContext::SupplyMopObject(aId, iSkinContext);

		return ETrue;

		}

	return EFalse;

	}

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

// CNotepadEdwinBase::HandleEdwinEventL

// from MEikEdwinObserver

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

//

void CNotepadEdwinBase::HandleEdwinEventL(

    CEikEdwin* /*aEdwin*/,

    TEdwinEvent aEventType )

    {

    iTextLength = iEdwin->TextLength();

    if ( aEventType == EEventFormatChanged )

        {

        iEdwin->DrawNow();

        }

    if ( aEventType == EEventTextUpdate )

        { 

        iEdwin->TextView()->DocPosToXyPosL( iEdwin->CursorPos(), iPointAtCursor );

        iLineNumByYCoordinate = iPointAtCursor.iY;

        if ( !iIsFirstTimeDrawEditor )

            {

            if ( iTextLength < iPreTextLength &&  iLineNumByYCoordinate < iPreLineNumByYCoordinate )

            	{

                iEdwin->NotifyNewFormatL();

                iEdwin->DrawDeferred();

            	}

            }

        else

            {

            iIsFirstTimeDrawEditor = EFalse;

            }

        iPreLineNumByYCoordinate = iLineNumByYCoordinate;

        }

     iPreTextLength = iTextLength;

    }

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

// CNotepadEdwinBase::SetBackgroundColorL

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

//

void CNotepadEdwinBase::SetBackgroundColorL()

	{

    	TAknLayoutRect insiderect;

	TAknLayoutRect bgLayout;

	TAknLayoutRect mainNotesPane;

    TRect tempMainPane;

    TBool hasChanged;

    hasChanged = iEdwin->Text()->HasChanged();

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

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

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

	bgLayout.LayoutRect(mainNotesPane.Rect(), AknLayoutScalable_Apps::bg_notes_pane().LayoutLine());

	insiderect.LayoutRect(bgLayout.Rect(), AknLayoutScalable_Apps::notes_bg_pane_g1().LayoutLine());

	TRgb bgcolor(insiderect.Color());

	iEdwin->CEikEdwin::SetBackgroundColorL(bgcolor);

    	iEdwinExposer->GetTextView().SetBackgroundColor(bgcolor);

	iEdwin->CEikEdwin::SetSkinBackgroundControlContextL(iBgContext);

	CGlobalText* text = STATIC_CAST(CGlobalText*, iEdwin->Text());

    	CParaFormat* paraFormat = CParaFormat::NewLC();

    	TParaFormatMask paraFormatMask;

    	text->GetParaFormatL(paraFormat, paraFormatMask, 

       		0, text->DocumentLength());

    	paraFormat->iFillColor = bgcolor;

    	paraFormatMask.SetAttrib(EAttFillColor);

    	text->ApplyParaFormatL(paraFormat,paraFormatMask, 

        	0, text->DocumentLength());

    if ( !hasChanged )

        {

        iEdwin->Text()->SetHasChanged( EFalse );

        }

	if(iIsRichTextEditor)

    		{

    		(STATIC_CAST(CEikRichTextEditor*,iEdwin))->ApplyParaFormatL(paraFormat,paraFormatMask);

    		}

     	CleanupStack::PopAndDestroy(); // paraFormat

	TResourceReader rr;

        iEdwinExposer->GetCoeEnv().CreateResourceReaderLC(rr, R_NOTEPAD_CURSOR_COLOR);

    	TRgb cursorColor(AKN_LAF_COLOR(rr.ReadInt16()));

    	CleanupStack::PopAndDestroy(); // rr

    	iEdwinExposer->GetTextView().SetCursorXorColor( TRgb( cursorColor.Value() ^ bgcolor.Value() ) );

    	iEdwin->NotifyNewFormatL();

	}

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

// CNotepadEdwinBase::HandleResourceChange

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

//

void CNotepadEdwinBase::HandleResourceChange(TInt aType)

    {

    iEdwin->CEikEdwin::HandleResourceChange( aType );

    switch(aType)

    	{

    	case KEikColorResourceChange:

    	case KAknsMessageSkinChange:

    		TInt ignore;	

        	TRAP(ignore, SetBackgroundColorL());

        	break;

    	}

    if( aType == KAknsMessageSkinChange )

        {

        UpdateScrollLayout();

        }

    }

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

// CNotepadEdwinBase::Draw

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

//

void CNotepadEdwinBase::Draw(const TRect& aRect) const   

	{

    CWindowGc& gc = iEdwin->SystemGc();

    TRect tempMainPane;

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

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

    	if( iBgContext )

		{

    		TAknLayoutRect mainpaneSkinTl;

    		TAknLayoutRect mainpaneSkinBr;

    		mainpaneSkinTl.LayoutRect( mainPane, SkinLayout::Notepad_skin_element_placing_Line_2() );  // <CDL LAYOUT>

    		mainpaneSkinBr.LayoutRect( mainPane, SkinLayout::Notepad_skin_element_placing_Line_5() );  // <CDL LAYOUT>

    		TAknWindowLineLayout mainPaneSkinCenter = SkinLayout::Notepad_skin_element_placing_Line_1();  // <CDL LAYOUT>

		TAknLayoutRect mainPaneLayout;

		mainPaneLayout.LayoutRect(mainPane,mainPaneSkinCenter);

    		TRect skinCenter( mainPaneLayout.Rect() );

    		TRect viewRect;

    		viewRect.iTl= mainpaneSkinTl.Rect().iTl;

    		viewRect.iBr = mainpaneSkinBr.Rect().iBr;

    		if(iSkinContext)

    			{

    			iSkinContext->SetRect(iParent->Rect());

    			TRAP_IGNORE( iEdwin->CEikEdwin::SetSkinBackgroundControlContextL(iSkinContext) );

        		AknsDrawUtils::Background( AknsUtils::SkinInstance(), iSkinContext, iEdwin, gc, mainPane);	

    			}

        	TRAP_IGNORE( iEdwin->CEikEdwin::SetSkinBackgroundControlContextL(iBgContext) );

    		iBgContext->SetFrameRects( viewRect, mainPaneLayout.Rect() );

    		AknsDrawUtils::Background( AknsUtils::SkinInstance(), iBgContext, iEdwin, gc, mainPane,KAknsDrawParamNoClearUnderImage);

 		}

   	iEdwin->CEikEdwin::Draw(aRect);

	}

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

// CNotepadEdwinBase::UpdateScrollLayout()

// Updates the scroll layout

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

//

void CNotepadEdwinBase::UpdateScrollLayout()

	{

	CEikScrollBarFrame* sbFrame = iEdwin->ScrollBarFrame();

    	TInt type = sbFrame->TypeOfVScrollBar();

	if( type == CEikScrollBarFrame::EDoubleSpan )

        	{

		TAknLayoutRect mainNotesPane;

		TRect tempMainPane;

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

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

		TAknWindowLineLayout scrollPane = AknLayoutScalable_Apps::scroll_pane_cp06().LayoutLine();

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

        	AknLayoutUtils::LayoutVerticalScrollBar(sbFrame, mainNotesPane.Rect(), scrollPane);

        	}

	}

// End of File