* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * Contributors:

 * Description:  ESMR titled field implementation

 *

 */

#include "CFSMailClient.h"

#include "cmrlabel.h"

#include "nmrlayoutmanager.h"

#include "nmrbitmapmanager.h"

#include "cmrimage.h"

#include "cmrbutton.h"

#include <aknsbasicbackgroundcontrolcontext.h>

#include <calentry.h>

#include <stringloader.h>

#include <esmrgui.rsg>

#include <aknbutton.h>

#include <gulicon.h>

#include <ct/rcpointerarray.h>

// DEBUG

#include "emailtrace.h"

//CONSTANTS

const TInt KMaxAmountOfItems( 4 );

CESMRAttendeeField::CESMRAttendeeField( CCalAttendee::TCalRole aRole )

:iRole( aRole )

    SetFocusType( EESMRHighlightFocus );    

    SetFieldId ( (iRole == CCalAttendee::EReqParticipant) ? 

            EESMRFieldAttendee : EESMRFieldOptAttendee );

    delete iBgCtrlContext;

    delete iFieldButton;

    delete iTitle;

    SetComponentsToInheritVisibility( ETrue );

    iFieldButton = CMRButton::NewL( NMRBitmapManager::EMRBitmapSearchContacts );

    iFieldButton->SetParent( this );

    iFieldButton->SetObserver( this );

    iTitle = CMRLabel::NewL();

    iTitle->SetParent( this );

    HBufC* buf = NULL;

    if( FieldId() == EESMRFieldAttendee )

        {

        buf = StringLoader::LoadLC( R_QTN_MEET_REQ_LABEL_REQUIRED );

        }

    if( FieldId() == EESMRFieldOptAttendee )

        {

        buf = StringLoader::LoadLC( R_QTN_MEET_REQ_LABEL_OPT );

        }

    iTitle->SetTextL( *buf ); // ownership transferred

    CleanupStack::Pop( buf );

    iEditor = 

        new ( ELeave ) CESMRNcsAifEditor( *iContactHandler, iDefaultText );

    CESMRField::ConstructL( iEditor );

    iEditor->ConstructL (

            this,

            KMaxAddressFieldLines,

            0,

            CEikEdwin::EAvkonEditor | CEikEdwin::EResizable |

            CEikEdwin::ENoAutoSelection |CEikEdwin::EInclusiveSizeFixed |

            CEikEdwin::ENoHorizScrolling

            );    

    iEditor->SetEdwinSizeObserver( this );

    iEditor->SetParent( this );

    iEditor->SetPopupList( this );

    iEditor->SetAlignment ( EAknEditorAlignBidi | EAknEditorAlignCenter );

    iEditor->SetAknEditorInputMode ( EAknEditorTextInputMode );

    iEditor->SetAknEditorFlags ( 

            EAknEditorFlagNoT9| EAknEditorFlagUseSCTNumericCharmap );

    iEditor->SetAknEditorCurrentCase ( EAknEditorLowerCase );

    // Draw bg instead of using skin bg

    TRect tempRect( 0, 0, 0, 0 );

    NMRBitmapManager::TMRBitmapStruct bitmapStruct;

    bitmapStruct = NMRBitmapManager::GetBitmapStruct( NMRBitmapManager::EMRBitmapInputCenter );

    iBgCtrlContext = CAknsBasicBackgroundControlContext::NewL( 

                bitmapStruct.iItemId, 

                tempRect, 

                EFalse );        

    iEditor->SetSkinBackgroundControlContextL( iBgCtrlContext );

    }

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

// CESMRAttendeeField::MinimumSize

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

//

TSize CESMRAttendeeField::MinimumSize()

    {

    TRect parentRect( Parent()->Rect() );

    TRect richTextRect = 

       NMRLayoutManager::GetFieldLayoutRect( parentRect, 1 ).Rect();

    TRect textRect( NMRLayoutManager::GetLayoutText( 

            richTextRect, 

       NMRLayoutManager::EMRTextLayoutTextEditor ).TextRect() );

    // Adjust field size so that there's room for expandable editor.

    richTextRect.Resize( 0, iSize.iHeight - textRect.Height() );

    // Add title area to the required size

    TSize titleSize( CESMRField::MinimumSize() );

    TSize completeFieldSize( titleSize );

    completeFieldSize.iHeight += richTextRect.Height();

    return completeFieldSize;

    // No Implementation

    iEditor->CreateScrollBarFrameL()->SetScrollBarVisibilityL ( 

            CEikScrollBarFrame::EOff,

            CEikScrollBarFrame::EOff );

    TInt fieldAttendeeCount( 0 );

    RCPointerArray< CESMRNcsEmailAddressObject > addressList;

    CleanupClosePushL( addressList );    

    for (TInt i(0); i < attendees.Count(); i++ )

            fieldAttendeeCount++;

            CESMRNcsEmailAddressObject* obj = 

                CESMRNcsEmailAddressObject::NewL ( commonName, addr );

    if ( fieldAttendeeCount > 0 )

            iObserver->ShowControl( iFieldId );

	if ( ( EESMRFieldModeEdit == FieldMode() ) && ( iRole == CCalAttendee::EOptParticipant ) )

        if ( fieldAttendeeCount == 0 )

    __ASSERT_ALWAYS( mrEntry, Panic( EESMRAttendeeFieldNotMeetingRequestEntry ));

    if( iEditor->HasDefaultText() )

    UpdateAttendeesL( *mrEntry );

    HBufC* text = iEditor->GetTextInHBufL();

    //If there is no attendees, put back the default text

    if( !text )

    TInt count( 0 );

    if( iFieldButton )

        {

        ++count;

        }

    if ( iTitle )

        {

        ++count;

        }

    if( iEditor )

    switch ( aInd )

        case 0:

            return iFieldButton;

        case 1:

            return iTitle;

        case 2:

            return iEditor;

        default:

            return NULL;

    TRect rect( Rect() );

    TAknLayoutRect firstRowLayoutRect( 

           NMRLayoutManager::GetFieldRowLayoutRect( rect, 1 ) );

    TRect firstRowRect( firstRowLayoutRect.Rect() );

    TRect secondRowRect( firstRowRect );

    secondRowRect.Move( 0, firstRowRect.Height() );

    // Layout field button

    if( iFieldButton )

       {

       TAknWindowComponentLayout buttonLayout( 

               NMRLayoutManager::GetWindowComponentLayout(

                   NMRLayoutManager::EMRLayoutTextEditorIcon ) );

       AknLayoutUtils::LayoutControl( 

               iFieldButton, firstRowRect, buttonLayout );

       }

    // Layout field title

    if( iTitle )

       {

       TAknLayoutText labelLayout( 

               NMRLayoutManager::GetLayoutText(

                       firstRowRect, 

                           NMRLayoutManager::EMRTextLayoutTextEditor ) );

       iTitle->SetRect( labelLayout.TextRect() );

       // Setting font also for the label. Failures are ignored.

       iTitle->SetFont( labelLayout.Font() );

       }

    // Layout field editor

    if( iEditor )

        TAknLayoutText editorLayoutText = NMRLayoutManager::GetLayoutText( 

                  secondRowRect, 

                  NMRLayoutManager::EMRTextLayoutTextEditor );

        TRect editorRect = editorLayoutText.TextRect();

        // Resize height according to actual height required by edwin.

        editorRect.Resize( 0, iSize.iHeight - editorRect.Height() );

        iEditor->SetRect( editorRect );

        // Try setting font. Failures are ignored.

        TRAP_IGNORE( iEditor->SetFontL( editorLayoutText.Font() ) );    

    // Layout field focus

    if( iEditor )

       {

       // Layouting focus for rich text editor area

       TRect bgRect( iEditor->Rect() );

       // Move focus rect so that it's relative to field's position.

       bgRect.Move( -Position() );

       SetFocusRect( bgRect );   

       }

            iCoeEnv->HandleError( error );

        return TRect( 0, 0, 0, 0 );

        }

    TRect popupRect( 0, 0, 0, 0 );

    // Let's determine Popup's maximum height

    TInt requiredPopupHeight = iAacListBox->CalcHeightBasedOnNumOfItems( 

            iAacListBox->Model()->NumberOfItems() );

    TInt numberOfItemsInPopUp = iAacListBox->Model()->NumberOfItems();

    if( numberOfItemsInPopUp > KMaxAmountOfItems )

        {

        // reducing popup item count shown at once to maximum value

        requiredPopupHeight = iAacListBox->CalcHeightBasedOnNumOfItems( 

                KMaxAmountOfItems );

        }

    // Popup x-coords are always the same

    TInt topLeftX = iEditor->Rect().iTl.iX;

    TInt bottomRightX = iEditor->Rect().iBr.iX;

    // Popup y-coords need to be calculated

    TInt topLeftY( 0 );

    TInt bottomRightY( 0 );

    // Next we have to resolve if popup needs to be drawn below or 

    // above the cursor (space requirement)

    TRect editorLineRect;

    iEditor->GetLineRectL( editorLineRect );

    TInt editorLineTopLeftY = editorLineRect.iTl.iY;

    TInt diff = iEditor->Rect().iTl.iY;

    TInt editorLineTopLeftYRelativeToParent = editorLineTopLeftY + diff;

    TInt listPaneHeight = Parent()->Rect().Height();

    // Popup will be drawn above the cursor

    if( editorLineTopLeftYRelativeToParent > TReal( listPaneHeight / 2 ) )

        {

        topLeftY = editorLineTopLeftYRelativeToParent - requiredPopupHeight;

        bottomRightY = editorLineTopLeftYRelativeToParent;

        }

    // Popup will be drawn below the cursor

    else

        {

        topLeftY = editorLineTopLeftYRelativeToParent + iEditor->GetLineHeightL();

        bottomRightY = topLeftY + requiredPopupHeight;

    popupRect.SetRect( topLeftX, topLeftY, bottomRightX, bottomRightY );