/*

* Copyright (c) 2007 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:  Implement of class CTruiTextSettingPageContainer

*

*/

#include <aknlayoutscalable_apps.cdl.h>

#include <AknsControlContext.h>

#include <AknPreviewPopUpController.h>

#include <AknPreviewPopUpObserver.h>

#include <layoutmetadata.cdl.h>

#include "truitextsettingpagecontainer.h"

#include "truihwrbox.h"

#include "truiappui.h"

#include "truiengine.h"

#include "truishortcutsview.h"

#include "truiapplication.h"

#include "truiinfomessageview.h"

#include "truishortcuteditview.h"

#include "truishortcutedittextview.h"

#include "trui.hrh"

#include "truicontainerbase.h"

// Initialized size for hwrbox

const TSize KHwrboxSize = TSize( 100, 100 );

// The x-cordination of hwrbox pos

const TInt KHwrBoxPosPortraitX = 60;

const TInt KHwrBoxPosLandscapeX = 100;

const TInt KPopupWindowVarity = 1;

const TInt KParaDelimiterSize = 1;

_LIT( KParaDelimiterFormat, "%c" );

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

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

// Constructor.

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

//

CTruiTextSettingPageContainer::CTruiTextSettingPageContainer

                ( TInt aResourceID, TDes& aText, TInt aTextSettingPageFlags )

             :CAknTextSettingPage( aResourceID, aText, aTextSettingPageFlags )

    {  

    }

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

// Perform the second phase construction of a CTruiMainViewContainer object.

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

//

void CTruiTextSettingPageContainer::ConstructL( const TRect& aRect, TBool aEnableHwrBox )

    {

    CAknTextSettingPage::ConstructL();

    TextControl()->SetObserver( this );

    // Check character model 

    CEikEdwin* edwin = static_cast<CEikEdwin*>( EditorControl() );

    HBufC* shortcutText = edwin->GetTextInHBufL();    

    if ( shortcutText )

        {        

        // Replace paragraph seperator to line break

        TPtr ptr = shortcutText->Des();

        TBuf<KParaDelimiterSize> paraDelimiter;

        paraDelimiter.Format( KParaDelimiterFormat, EKeyEnter ); 

        AknTextUtils::ReplaceCharacters( ptr, paraDelimiter, 

                                TChar( CEditableText::EParagraphDelimiter ) );

        CleanupStack::PushL( shortcutText );

        edwin->SetTextL( shortcutText );

        CleanupStack::PopAndDestroy( shortcutText );

        }    

    if ( aEnableHwrBox )

        {

        CTruiAppUi* appUi = static_cast<CTruiAppUi*>( iAvkonViewAppUi );

        CTruiEngine* engine = appUi->HwrEngine();

        if ( engine->CheckShortcutModel( engine->Shortcut() ) )

            {

            // Create hwrbox            

            iHwrBox = CTruiHwrBox::NewL( NULL, NULL );

            iHwrBox->SetHwrBoxFlag( CTruiHwrBox::ENoFrameHwrBox 

                                    | CTruiHwrBox::EReadOnlyHwrBox);

            // Create preview popup

            iPopupController = CAknPreviewPopUpController::NewL

                      ( *iHwrBox, CAknPreviewPopUpController::EPermanentMode );            

            iPopupController->AddObserverL( *this );

            // Set guide line

            iHwrBox->SetDisplayBottomGuideLine( ETrue );

            if ( engine->CurrentLanguageScript() == EMainViewSubmenuHebrew )

                {

                iHwrBox->SetDisplayTopGuideLine( ETrue );

                }

            iPopupController->SetPopUpShowDelay( 0 );            

            }                          

        }

    SetRect( aRect );

    if ( iPopupController )

        {

        iPopupController->ShowPopUp();

        }    

    ActivateL();

    }

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

// Two-phased constructor.

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

//

CTruiTextSettingPageContainer* CTruiTextSettingPageContainer::NewL

                                                ( TInt aResourceId, 

                                                  TDes& aText,

                                                  const TRect& aRect,

                                                  TBool aEnableHwrBox,

                                                  TInt aTextSettingPageFlags )

    {

    CTruiTextSettingPageContainer* self = CTruiTextSettingPageContainer::NewLC

                                                  ( aResourceId, aText,

                                                    aRect,

                                                    aEnableHwrBox,

                                                    aTextSettingPageFlags );

    CleanupStack::Pop( self );

    return self;

    }

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

// Two-phased constructor.

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

//

CTruiTextSettingPageContainer* CTruiTextSettingPageContainer::NewLC

                                                ( TInt aResourceId, 

                                                  TDes& aText, 

                                                  const TRect& aRect,

                                                  TBool aEnableHwrBox,

                                                  TInt aTextSettingPageFlags )

    {

    CTruiTextSettingPageContainer* self = new (ELeave) 

                                          CTruiTextSettingPageContainer

                                                 ( aResourceId, aText,

                                                   aTextSettingPageFlags );

    CleanupStack::PushL( self );

    self->ConstructL( aRect, aEnableHwrBox );

    return self;

    }

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

// Destructor.

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

//

CTruiTextSettingPageContainer::~CTruiTextSettingPageContainer()

    {

    delete iPopupController;

    delete iHwrBox;

    }

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

// Responds to changes to the size and position of the contents of this control.

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

//

void CTruiTextSettingPageContainer::SizeChanged()

    {

    CAknTextSettingPage::SizeChanged();

    if ( iHwrBox )

        {

        // caculate main pane

        TRect rect = Rect();    

        TAknWindowComponentLayout main_pane_layout = 

                                AknLayoutScalable_Apps::main_hwr_training_pane();

        TAknLayoutRect main_pane_layout_rect;

        main_pane_layout_rect.LayoutRect( rect, main_pane_layout );

        TRect main_pane_rect = main_pane_layout_rect.Rect();

        // Calculate popup_hwr_training_preview_window

        TAknWindowComponentLayout preview_popup_layout = 

                   AknLayoutScalable_Apps::popup_hwr_training_preview_window

                                                         ( KPopupWindowVarity );

        TAknLayoutRect preview_popup_layout_rect;

        preview_popup_layout_rect.LayoutRect( main_pane_rect, preview_popup_layout );

        TPoint labelPos = TextLabel()->PositionRelativeToScreen();

        TPoint hwrPos = TPoint( 0, 0 );

        if ( TBidiText::ScriptDirectionality( User::Language() )

                                              ==  TBidiText::ELeftToRight )

            {

            TInt offset = Layout_Meta_Data::IsLandscapeOrientation() ?

                          KHwrBoxPosLandscapeX : KHwrBoxPosPortraitX;

            hwrPos = labelPos + TPoint( offset, TextLabel()->Size().iHeight );

            }

        else

            {

            hwrPos = labelPos + TPoint( TextLabel()->Size().iWidth, 

                            		TextLabel()->Size().iHeight );

            }

        iHwrBox->SetSize( preview_popup_layout_rect.Rect().Size() );

        iPopupController->SetPosition( hwrPos );

        }

    }

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

// Processes events from the softkeys.     

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

//

void CTruiTextSettingPageContainer::ProcessCommandL( TInt aCommandId )

    {

    HideMenu();    

    switch ( aCommandId )

        {

        case EAknSoftkeyOk:

        case EAknSoftkeySelect:

            {

            // Get the current text in setting page

            CTruiAppUi* appUi = static_cast<CTruiAppUi*>( iAvkonViewAppUi );

            CTruiEngine* engine = appUi->HwrEngine();

            CEikEdwin* edwin = static_cast<CEikEdwin*>( EditorControl() );

            HBufC* shortcutText = edwin->GetTextInHBufL();

            CleanupStack::PushL( shortcutText );

            // Replace paragraph seperator to line break            

            TPtr ptr = shortcutText->Des();

            TBuf<KParaDelimiterSize> paraDelimiter;

            paraDelimiter.Format( KParaDelimiterFormat, CEditableText::EParagraphDelimiter );

            AknTextUtils::ReplaceCharacters( ptr, paraDelimiter, TChar( EKeyEnter ) );

            // Update new text

            engine->ChangeShortcutTextL( *shortcutText );

            // Recalculate selected index of shortcut list

            // Update shortcut list

            engine->UpdateShortcutListL();

            // Find the current shortcut's index in shortcut list

            TInt index = 0;

            CDesCArray* shortcutList = engine->ShortcutTextList();

            if ( shortcutList )

                {                

                TInt ret = 0;

                ret = shortcutList->Find( *shortcutText, index );

                if ( ret == KErrNotFound )

                    {

                    TInt oldIndex = engine->CurrentSelectedIndex();

                    index = ( oldIndex > shortcutList->Count() ) 

                                       ? shortcutList->Count() : oldIndex;

                    }

                }

            // Set current index in Engine

            engine->SetCurrentSelectedIndex( index + 1 );           

            CleanupStack::PopAndDestroy( shortcutText );            

            // Store the content of setting page

            UpdateSettingL();

            CTruiShortcutEditTextView* view = 

                                     static_cast<CTruiShortcutEditTextView*>

                              ( appUi->View( KTruiShortcutEditTextViewId ) );

            if ( view->StartViewId() == 

                        TVwsViewId( KUidtruiApp, KTruiInfoMessageViewId ) )

                {

                ProcessCommandL( EAknSoftkeyNext );

                }

            else

                {

                // Switch to shortcuts view.

                iAvkonViewAppUi->ActivateLocalViewL

                                            ( view->StartViewId().iViewUid );

                }

            break;

            }

        case EAknSoftkeyCancel:

            {

            iAvkonViewAppUi->ActivateLocalViewL( KTruiShortcutsViewId );

            break;

            }

        case EAknSoftkeyNext:

            {

            UpdateSettingL();

            // Get the current text in setting page

            CTruiAppUi* appUi = static_cast<CTruiAppUi*>( iAvkonViewAppUi );

            CTruiEngine* engine = appUi->HwrEngine();

            CEikEdwin* edwin = static_cast<CEikEdwin*>( EditorControl() );

            HBufC* shortcutText = edwin->GetTextInHBufL();

            CleanupStack::PushL( shortcutText );

            // Replace paragraph seperator to line break            

            TPtr ptr = shortcutText->Des();

            TBuf<KParaDelimiterSize> paraDelimiter;

            paraDelimiter.Format( KParaDelimiterFormat, CEditableText::EParagraphDelimiter );

            AknTextUtils::ReplaceCharacters( ptr, paraDelimiter, TChar( EKeyEnter ) );

            engine->SetShortcut( ptr );            

            CleanupStack::PopAndDestroy( shortcutText );                        

            iAvkonViewAppUi->ActivateLocalViewL( KTruiShortcutEditViewId );

            break;

            }

        case EAknSoftkeyBack:

            {

            CTruiAppUi* appUi = static_cast<CTruiAppUi*>( iAvkonViewAppUi );

            CTruiEngine* engine = appUi->HwrEngine();            

            if ( engine->DisplayWizard() )

                {

                iAvkonViewAppUi->ActivateLocalViewL( KTruiInfoMessageViewId );

                }

            else

                {

                iAvkonViewAppUi->ActivateLocalViewL( KTruiShortcutsViewId );

                }

            break;

            }

        }

    }

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

// From MAknPreviewPopUpObserver

// Called by the preview popup when an appropriate event takes place.

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

// 

void CTruiTextSettingPageContainer::HandlePreviewPopUpEventL(

      CAknPreviewPopUpController* aController, TPreviewPopUpEvent aEvent )

    {

    if ( aController == iPopupController && aEvent == EPreviewPopUpShown )

        {

        CTruiAppUi* appUi = static_cast<CTruiAppUi*>( iAvkonViewAppUi );

        CTruiEngine* engine = appUi->HwrEngine();

        CEikEdwin* edwin = TextControl();

        HBufC* shortcutText = edwin->GetTextInHBufL();

        CleanupStack::PushL( shortcutText );

        // Get character model

        TUint unicode = 0;

        TRAPD( err, engine->GetShortcutModelL( engine->Shortcut(), iHwrBox->Model(), unicode ) );

        if ( err == KErrNone )

            {

            TSize refSize = CTruiContainerBase::OriginSymbolSize();

            iHwrBox->ShowTrails( iHwrBox->Model(), ETrue, refSize );

            }    

        CleanupStack::PopAndDestroy( shortcutText );

        }

    }