/*

* Copyright (c) 2002-2009 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: 

*

*/

// AknPopupField.cpp

//

// Copyright (c) 1997-2001 Symbian Ltd.  All rights reserved.

//

#include <barsread.h>

#include <gulicon.h>

#include <AknIconArray.h>

#include <eikmop.h>

#include "AknPopupField.h"

#include "AknQueryValue.h"

#include "aknlists.h"

#include "AknDef.h"

#include <AknsDrawUtils.h>

#include <AknsBasicBackgroundControlContext.h>

#include <AknsListBoxBackgroundControlContext.h>

#include <AknIconUtils.h>

#include <AknsPointerStore.h> 

#include <AknsFrameBackgroundControlContext.h>

#include <skinlayout.cdl.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <touchfeedback.h>

_LIT(KPopFieldLeadingLayoutTextActive, "1\t");

_LIT(KPopFieldLeadingLayoutTextInactive, "\t\t");

const TInt KDefaultMaxNoLines = 6;

class CAknPopupFieldExtension : public CBase

    {

public:

    TRect iFormFieldRect; // moved to extension

    TInt iEditTextPos; // position of editable text inside form. 0..5 based on Form data field texts, line 2 baseline from 2.6 spec.

    CAknsFrameBackgroundControlContext *iFrameSkinContext; // this will be linked to listbox's context as background.

    CAknsBasicBackgroundControlContext *iBgContext;

    MTouchFeedback* iFeedback;

    TInt iOldItemIndex;

    TBool iSingleClickEnabled;

    };

//*******************************************************************************************/

// AknPopupFieldBitmapButton

CAknPopupField::CAknPopupFieldBitmapButton::CAknPopupFieldBitmapButton()

    {

    // set all margins to zero, we just want the bitmap with no margin

    iMargins.iTop = 0;

    iMargins.iBottom = 0;

    iMargins.iLeft = 0;

    iMargins.iRight = 0;

    }

//*******************************************************************************************/

// CAknPopupField

EXPORT_C CAknPopupField::CAknPopupField()

: iCba( NULL ),

  iFormMode( EAknFormModeView ),

  iSelectionMode(EAknPopupFieldLabelMode),

  iMaxNoLines(KDefaultMaxNoLines)

    {

    }

EXPORT_C CAknPopupField::~CAknPopupField()

    {

    delete iAttemptExitAsync;

    delete iLabel;

    delete iButton;

    DestroyPopout();

    delete iLayoutDecorator;

    delete iOtherText;

    delete iEmptyText;

    delete iInvalidText;

    delete iCba;

    if (iExtension)

    delete iExtension->iBgContext;

    if (iExtension)

        delete iExtension->iFrameSkinContext;

    delete iExtension;

    }

EXPORT_C void CAknPopupField::ConstructL()

    {

    iEmptyText->Des() = KNullDesC;

    iInvalidText->Des() = KNullDesC;

    CommonConstructL();

    }

EXPORT_C void CAknPopupField::ConstructFromResourceL(TResourceReader& aReader)

    {

    iFlags=aReader.ReadInt16();

    iWidth=aReader.ReadInt16();

    iOtherText = aReader.ReadHBufCL();

    iEmptyNoteResourceId = aReader.ReadInt32();

    iEmptyText = aReader.ReadHBufCL();

    iInvalidText = aReader.ReadHBufCL();

    CommonConstructL();

    }

EXPORT_C void CAknPopupField::SetFormFieldRect(TRect aRect)

    { // captioned control will call this

    if (iExtension)

        iExtension->iFormFieldRect = aRect;

    }

void CAknPopupField::CommonConstructL()

    {

    iExtension = new(ELeave)CAknPopupFieldExtension;

    iExtension->iSingleClickEnabled = static_cast<CAknAppUi*>(

            iCoeEnv->AppUi() )->IsSingleClickCompatible();

    //iExtension = new(ELeave)CAknPopupFieldExtension;

    iExtension->iFormFieldRect = TRect(0,0,0,0);

    if (!iOtherText)

        iOtherText = HBufC::NewL(0); // set to zero length so we can then test for 0 length later

    iEmptyNoteTimeout = CAknNoteDialog::EShortTimeout;

    iEmptyNoteTone = CAknNoteDialog::ENoTone;

    ConstructLabelL();

    if (iFlags & EAknPopupFieldFlagButton)

        ConstructCommandButtonL();

    ConfigureDecorator();   

    ConstructLayoutDecoratorL();

    // layer 1, main_pane background

    iExtension->iBgContext =  CAknsListBoxBackgroundControlContext::NewL( 

        KAknsIIDQsnBgAreaMainListGene, TRect(0,0,1,1), ETrue,

        KAknsIIDQsnBgColumnAB, TRect(0,0,1,1) )  ;

    //CAknsBasicBackgroundControlContext::NewL( KAknsIIDQsnBgAreaMain, TRect(0,0,1,1), ETrue);

    // layer 2, form field highlight

    iExtension->iFrameSkinContext = CAknsFrameBackgroundControlContext::NewL( KAknsIIDQsnFrInput, TRect(0,0,1,1), TRect(0,0,1,1), ETrue);

    iExtension->iFeedback = MTouchFeedback::Instance();

    }

void CAknPopupField::ConstructLabelL()

    {

    if (iLabel)

        return; // already exists

    iLabel=new(ELeave) CEikLabel();

    iLabel->SetContainerWindowL(*this);

    iLabel->SetTextL(KNullDesC);

    }

void CAknPopupField::ConstructCommandButtonL()

    {

    }

void CAknPopupField::ConstructSelectionListL()

    {

    if (iSelectionList)

        return; // already exists

    //TRect rect = Rect();

    if ( iFormMode==EAknFormModeEdit || iFormMode==EAknFormModeView )

        iSelectionList = new(ELeave) CAknFormGraphicStyleListBox;

    else if ( iFormMode==EAknFormModeEditWideWithoutGraphic || iFormMode==EAknFormModeViewWideWithoutGraphic )

        iSelectionList = new(ELeave) CAknFormGraphicWideStyleListBox;

    else // wide with bitmap for now use wide style

        iSelectionList = new(ELeave) CAknFormGraphicWideStyleListBox;

    iSelectionList->ConstructWithWindowL(this, EAknListBoxMultipleSelection);

    // We dont want captionedcontrol's skin context, since captionedcontrol has

    // different coordinates. (window starts with 0,0).

    iSelectionList->SetMopParent(NULL); 

    iSelectionList->SetParent(this); 

    iSelectionList->SetListBoxObserver(this);

    // set the array into the listbox

    iSelectionList->Model()->SetItemTextArray(iLayoutDecorator);

    iSelectionList->Model()->SetOwnershipType(ELbmDoesNotOwnItemArray);

    iSelectionList->SetObserver(this);

    InitialiseRadioButtonBitmapsL();

    iSelectionList->ItemDrawer()->FormattedCellData()->SetControl(iSelectionList);

    //TRect screenRect = AknLayout::screen().Rect();

    iSelectionList->ItemDrawer()->FormattedCellData()->SetBackgroundSkinStyle(&KAknsIIDQsnFrInput, iExtension->iFormFieldRect);

    }

void CAknPopupField::SetUpScrollBarL()

    {

    __ASSERT_DEBUG( iCba, Panic( EAknPanicPopupFieldCBADoesntExist ) );

    __ASSERT_DEBUG(iSelectionList != NULL, Panic(EAknPanicPopupFieldSelectionListDoesntExist));

    iSelectionList->SetMopParent(this); // to get remote scb

    iSelectionList->CreateScrollBarFrameL(ETrue, ETrue);

    iSelectionList->SetMopParent(NULL);

    iSelectionList->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff,CEikScrollBarFrame::EAuto);

    }

void CAknPopupField::SetScrollBarSelectionL()

    {

    TInt selection = iValue->CurrentValueIndex();

    //iOldItemIndex should be saved as original value.

    if ( iExtension )

        {

        iExtension->iOldItemIndex = selection;

        }

    if (IsInvalid()) selection = 0;

    __ASSERT_DEBUG(iSelectionList != NULL, Panic(EAknPanicPopupFieldSelectionListDoesntExist));

    iSelectionList->SetCurrentItemIndex(selection);

    iSelectionList->View()->SelectItemL(selection);

    }

void CAknPopupField::InitialiseRadioButtonBitmapsL()

    {

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    TResourceReader reader;

    iCoeEnv->CreateResourceReaderLC(reader, R_AVKON_RADIOBUTT_BMP);

    HBufC* bmpFile = reader.ReadHBufCL();

    TInt bmpSelected = reader.ReadInt16();

    TInt bmpSelectedM = reader.ReadInt16();

    TInt bmp = reader.ReadInt16();

    TInt bmpM = reader.ReadInt16();

    CleanupStack::PopAndDestroy(); // reader

    if (bmpFile == NULL)

        return;

    CleanupStack::PushL(bmpFile);   

    if (iFlags & EAknPopupFieldNoGraphic)

        {// no graphic

        SetShowIndicatorsL(EFalse);

        }

    CArrayPtr<CGulIcon>* icons = iSelectionList->ItemDrawer()->FormattedCellData()->IconArray();

    if ( icons )

        {

        icons->ResetAndDestroy();

        }

    else

        {

        icons = new(ELeave) CAknIconArray(2);

        iSelectionList->ItemDrawer()->FormattedCellData()->SetIconArrayL(icons); // ownership transferred, cell data deletes all members of list

        }

    CFbsBitmap* bitmap = 0;

    CFbsBitmap* mask = 0;

    //AknIconUtils::CreateIconLC(bitmap, mask, *bmpFile, bmpSelected, bmpSelectedM);

    AknsUtils::CreateColorIconLC( skin, KAknsIIDQgnIndiRadiobuttOn,

                KAknsIIDQsnIconColors,

                EAknsCIQsnIconColorsCG15,

                bitmap, mask, *bmpFile,

                bmpSelected, 

                bmpSelectedM,

                KRgbBlack);

    CGulIcon* gulicon = CGulIcon::NewL(bitmap,mask); // ownership passed

    CleanupStack::Pop(); // mask

    CleanupStack::Pop(); // bitmap

    CleanupStack::PushL(gulicon);

    icons->AppendL(gulicon); 

    CleanupStack::Pop(); // gulicon

    bitmap = 0;

    mask = 0;

    //AknIconUtils::CreateIconLC(bitmap, mask, *bmpFile, bmp, bmpM);

    AknsUtils::CreateColorIconLC( skin, KAknsIIDQgnIndiRadiobuttOff,

            KAknsIIDQsnIconColors,

            EAknsCIQsnIconColorsCG15,

            bitmap, mask, *bmpFile,

            bmp, 

            bmpM,

            KRgbBlack);

    CGulIcon* gulicon2 = CGulIcon::NewL(bitmap,mask); // ownership passed

    CleanupStack::Pop(); // mask

    CleanupStack::Pop(); // bitmap

    CleanupStack::PushL(gulicon2);

    icons->AppendL(gulicon2);

    CleanupStack::Pop(); // gulicon2

    __ASSERT_DEBUG(iSelectionList != NULL, Panic(EAknPanicPopupFieldSelectionListDoesntExist));

    CleanupStack::PopAndDestroy(); // bmpfile

    }

EXPORT_C TSize CAknPopupField::MinimumSize()

    {

    TSize size(0,0);

    TSize minTabSize(0,0);

    switch(iSelectionMode)

        {

    case EAknPopupFieldLabelMode:

        if (iLabel)

            size=iLabel->MinimumSize();

        if (iButton)

            minTabSize = iButton->MinimumSize();

        size.iWidth+=minTabSize.iWidth+iBorder.Margins().iLeft;

        size.iHeight=Max(size.iHeight+iBorder.SizeDelta().iHeight,minTabSize.iHeight);

        break;

    case EAknPopupFieldSelectionListMode:

    __ASSERT_DEBUG(iSelectionList != NULL, Panic(EAknPanicPopupFieldSelectionListDoesntExist));

        size = iSelectionList->MinimumSize();

        break;

    default:

        __ASSERT_DEBUG(ETrue, Panic(EAknPanicPopupFieldUndefinedMode));

        break;

        }

    return size;

    }

EXPORT_C void CAknPopupField::SizeChanged()

    {

    TRAP_IGNORE(DoSizeChangedL());

    }

EXPORT_C void CAknPopupField::FocusChanged( TDrawNow aDrawNow )

    {

    CEikBorderedControl::FocusChanged( aDrawNow );

    if( iSelectionList )

        {

        iSelectionList->SetFocus( IsFocused() );

        }

    }

void CAknPopupField::DoSizeChangedL()

    {

    // captioned control is supposed to set the iFormFieldRect before SizeChanged().

    // note that the iLabel in Label mode is really implemented in wrong place -- popup field should not be

    // responsible of the label.

    __ASSERT_DEBUG(iExtension && iExtension->iFormFieldRect != TRect(0,0,0,0), Panic(EAknPanicPopupFieldNoFieldRectSet));

    const TRect rect(Rect());

    switch(iSelectionMode)

        {

    case EAknPopupFieldLabelMode:

            {

#if 0

            TInt mode = (( iFormMode==EAknFormModeEdit 

                           || iFormMode==EAknFormModeEditWideWithGraphic 

                           || iFormMode==EAknFormModeEditWideWithoutGraphic) 

                         && iButton) ? 0 : 1;

            TAknTextLineLayout labelLayout(AKN_LAYOUT_TEXT_List_pane_texts__form_graphic__Line_1(0,mode));

            if ( iFormMode==EAknFormModeEdit || iFormMode==EAknFormModeView )

                {

                labelLayout = AKN_LAYOUT_TEXT_List_pane_texts__form_graphic__Line_1(0,mode);

                }

            else if ( iFormMode==EAknFormModeEditWideWithoutGraphic || iFormMode==EAknFormModeViewWideWithoutGraphic )

                {

                labelLayout = AKN_LAYOUT_TEXT_List_pane_texts__form_graphic_wide__Line_1(0, mode, 0,0);

                }

            else // wide with bitmap for now use wide style

                {

                labelLayout = AKN_LAYOUT_TEXT_List_pane_texts__form_graphic_wide__Line_1(0, mode, 0,0);

                }

            TAknTextLineLayout labelLayoutFormView(AKN_LAYOUT_TEXT_Form_data_field_texts_Line_2(0));

//      labelLayout.iFont = labelLayoutFormView.iFont; // for view and edit mode need same font as in form, in expanded mode use from laf

            AknLayoutUtils::LayoutLabel(iLabel, rect, labelLayout, AknLayoutUtils::FontFromId(labelLayoutFormView.FontId()));

#endif

            TAknTextLineLayout labelLayout(AknLayout::Form_data_field_texts_Line_2(0));

            if (iFormMode == EAknFormModeEdit || iFormMode == EAknFormModeView)

                {

                labelLayout = AknLayout::Form_data_field_texts_Line_2(0);

                }

            else if ( iFormMode==EAknFormModeEditWideWithoutGraphic || iFormMode==EAknFormModeViewWideWithoutGraphic )

                {

                labelLayout = AknLayout::Form_data_wide_field_texts_Line_2(0);

                }

            else // wide with bitmap for now use wide style

                {

                labelLayout = AknLayout::Form_data_wide_graphic_field_texts_Line_2(0);

                }

            AknLayoutUtils::LayoutLabel(iLabel, iExtension ? iExtension->iFormFieldRect : Rect(), labelLayout);         

            if (iButton)

                AknLayoutUtils::LayoutControl(iButton, rect, AKN_LAYOUT_WINDOW_List_pane_elements__form_graphic__Line_2);

            if (IsInvalid())

                {

                if (iInvalidText)

                    {

                    iLabel->SetTextL(*iInvalidText); // takes copy

                    iLabel->CropText();

                    }

                else

                    iLabel->SetTextL(KNullDesC);

                }

            else if (!IsEmpty())

                {  

                // update the label if the text should be changed due to the size change

                HBufC* newText = iValue->CurrentValueTextLC(); // ownership passed

                iLabel->SetTextL(*newText); // takes copy

                CleanupStack::PopAndDestroy(); // newText

                iLabel->CropText();

                }

            else

                {

                if (iEmptyText)

                    {

                    iLabel->SetTextL(*iEmptyText); // takes copy

                    iLabel->CropText();

                    }

                else

                    iLabel->SetTextL(KNullDesC);

                }

            // reset the border to none

            if (iButton)

                iButton->SetBorder(TGulBorder::ENone);

            break;

            }

    case EAknPopupFieldSelectionListMode:

            {

            __ASSERT_DEBUG(iSelectionList != NULL, Panic(EAknPanicPopupFieldSelectionListDoesntExist));

            // When Form loses focus, If its child control listbox's size or position is not changed, 

            // do not invoke "iSelectionList->SetRect(rect);". 

            if ((iSelectionList->Position() != rect.iTl) || (iSelectionList->Size() != rect.Size()))

                {

                iSelectionList->SetRect(rect);

                SetScrollBarSelectionL();

                }

            AknsUtils::RegisterControlPosition(this);

            AknsUtils::RegisterControlPosition(iSelectionList);

            TRect listBoxRect = iExtension->iFormFieldRect; //iSelectionList->Rect();

            listBoxRect.iTl = TPoint(0,0);

            // Cannot use KAknsIIDNone here because highlight animation

            // creation would fail in eikfrlbd.cpp (with KAknsIIDNone there

            // would be no background to animate).

            iSelectionList->ItemDrawer()->FormattedCellData()->SetBackgroundSkinStyle(&KAknsIIDNone, listBoxRect);

            //iSelectionList->ItemDrawer()->FormattedCellData()->SetBackgroundSkinStyle(&KAknsIIDNone /*Center*/,  /*Rect()*/ /*TRect(0,0,176,208)*/);

            TAknLayoutRect frame_tl;

            frame_tl.LayoutRect(listBoxRect, SkinLayout::Input_field_skin_placing__general__Line_2());

            TAknLayoutRect frame_br;

            frame_br.LayoutRect(listBoxRect, SkinLayout::Input_field_skin_placing__general__Line_5());

            TRect center = TRect(frame_tl.Rect().iBr, frame_br.Rect().iTl);

            //

            // Skin contexts are in 3 layers:

            //  1) background

            //  2) form field highlight

            //  3) list context

            if (iExtension)

                {           

                TRect main_pane;

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

                TRect clientRect = main_pane;

                TPoint ctrlPoint = PositionRelativeToScreen();

                TPoint innerPoint = Rect().iTl;

                clientRect.iTl.iX -= ctrlPoint.iX;

                clientRect.iBr.iX -= ctrlPoint.iX;

                clientRect.iTl.iY -= ctrlPoint.iY;

                clientRect.iBr.iY -= ctrlPoint.iY;

                clientRect.iTl.iX += innerPoint.iX;

                clientRect.iBr.iX += innerPoint.iX;

                clientRect.iTl.iY += innerPoint.iY;

                clientRect.iBr.iY += innerPoint.iY;

                //TPoint p = clientRect.iTl;

                iExtension->iBgContext -> SetParentPos(main_pane.iTl);

                iExtension->iBgContext -> SetRect(clientRect /*TRect(c,clientRect.Size())*/);

                }

            if (iExtension)

                {

                // Calculate formfieldRect relative to screen.              

                TPoint p; 

                p = PositionRelativeToScreen();

                p.iX += iExtension->iFormFieldRect.iTl.iX;

                p.iY += iExtension->iFormFieldRect.iTl.iY;

                p.iX -= Rect().iTl.iX;

                p.iY -= Rect().iTl.iY;

                iExtension->iFrameSkinContext -> SetParentPos( p /*iSelectionList->PositionRelativeToScreen()*/ );

                iExtension->iFrameSkinContext -> SetFrameRects(listBoxRect, center);

                iExtension->iFrameSkinContext -> SetFrame(KAknsIIDQsnFrInput ); // frInput or frList?

                iExtension->iFrameSkinContext -> SetParentContext(iExtension->iBgContext);

                }

            CAknsBasicBackgroundControlContext *bgContext = (CAknsBasicBackgroundControlContext*)iSelectionList->ItemDrawer()->FormattedCellData()->SkinBackgroundContext();

            if (iExtension)

                {

                bgContext->SetParentContext(iExtension->iFrameSkinContext);

                //iExtension->iFrameSkinContext -> SetParentPos( iSelectionList->PositionRelativeToScreen() );

                }

            TRect main_pane = iAvkonAppUi->ClientRect();

            TAknLayoutRect listscroll_form_pane_rect;

            listscroll_form_pane_rect.LayoutRect(main_pane, AknLayoutScalable_Avkon::listscroll_form_pane());

            // set SVG icons (call SizeChanged between InitialiseRadioButtonBitmapsL and Draw)

            CArrayPtr<CGulIcon> *iconarray = 0;

            iconarray = iSelectionList->ItemDrawer()->FormattedCellData()->IconArray();