/*

* Copyright (c) 2008-2009 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:  Container class for Events Management UI startup view.

*

*/

// SYSTEM INCLUDES

#include <avkon.hrh>

#include <barsread.h> 

#include <aknlists.h>

#include <AknIconArray.h>		// Icon Array

#include <eikclbd.h>			// Column Listbox

#include <gulicon.h>			// Gul Icon

#include <barsread.h>   		// TResourceReader

#include <eikspane.h>       // Status pane

#include <akntitle.h>       // CAknTitlePane

#include <StringLoader.h>   // String Loader

#include <evtmgmtui.rsg>

#include <csxhelp/loc.hlp.hrh>

#include <AknUtils.h>

#include <evtmgmtui.mbg>

#include <featmgr.h>

#include <data_caging_path_literals.hrh>

#include <AknUtils.h> 

#include <eikmenup.h> 

#include <AknsConstants.h> 		// Skin Ids

#include <AknIconUtils.h>

#include <AknLayout.lag>          // AVKON LAF layouts

#include <AknLayoutDef.h>

#include <aknsfld.h> // For SearchField

// USER INCLUDES

#include "evtmgmtui.hrh"

#include "evtmgmtuiuid.hrh"

#include "evtmgmtuiappui.h"

#include "evtmgmtuimodel.h"

#include "evtmgmtuistartupcontainer.h"

#include "evtmgmtuilistbox.h"

#include "evtmgmtuilistboxmodel.h"

#include "evtdebug.h"

// CONSTANT DEFINITIONS

const TInt KIconArrayGranularity = 5; // The number of default icons

const TInt KFindBoxTextLength = 32;	// Find Box text length.

const TInt KMinCountForFilter = 2;

_LIT( KEvtMgmtUiIconFileName, "evtmgmtui.mif" );

// ----------------- Member funtions for CEvtMgmtUiStartupContainer class ------------------

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

// CEvtMgmtUiStartupContainer::CEvtMgmtUiStartupContainer

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

//

CEvtMgmtUiStartupContainer::CEvtMgmtUiStartupContainer( MEvtMgmtUiCmdHdlr& aCmdHandler )

									:iCmdHandler(aCmdHandler)

    {

    }

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

// CEvtMgmtUiStartupContainer::~CEvtMgmtUiStartupContainer

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

//

CEvtMgmtUiStartupContainer::~CEvtMgmtUiStartupContainer()

    {

    // Delete the List box

	delete iListBox;

	delete iFindBox;

    }

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

// CEvtMgmtUiStartupContainer::NewL

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

//

CEvtMgmtUiStartupContainer* CEvtMgmtUiStartupContainer::NewL( 

                                    const TRect&	aRect, CEvtMgmtUiModel* aModel,

                                    MEvtMgmtUiCmdHdlr& aCmdHandler )     

    {

    CEvtMgmtUiStartupContainer* self = new ( ELeave ) CEvtMgmtUiStartupContainer( aCmdHandler );

    CleanupStack::PushL( self );

    self->ConstructL( aRect, aModel );

    CleanupStack::Pop();    

    return self;

    }

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

// CEvtMgmtUiStartupContainer::CEvtMgmtUiStartupContainer

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

//

void CEvtMgmtUiStartupContainer::ConstructL( const TRect& 	aRect, CEvtMgmtUiModel* aModel )

    {

    // This is the cheif control for this application. This has to be made a 

    // Window owning control

    CreateWindowL();

    // Create the List box

    EVTUIDEBUG( "Listbox creation" );

    CreateListboxL(aModel); 

    CreateFindBoxL();

    // Check for FindBox Visiblity

    HandleFindBoxVisibility();

    // Get the Help context

    iContextName = KHLP_LOC_EVENTS_VIEW();

    // Set Title

    MakeTitleL();

    SetRect(aRect);

    ActivateL();

    }

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

// void CEvtMgmtUiStartupContainer::GetHelpContext

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

//

void CEvtMgmtUiStartupContainer::GetHelpContext( TCoeHelpContext& aContext ) const

	{

    aContext.iContext = iContextName;

    aContext.iMajor = TUid::Uid( KEvtMgmtUiUid );	

	}

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

// CEvtMgmtUiStartupContainer::FocusChanged

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

//

void CEvtMgmtUiStartupContainer::FocusChanged( TDrawNow aDrawNow )

    {

    if ( iListBox )

        {

        iListBox->SetFocus( IsFocused(), aDrawNow );

        }

    if ( iFindBox && iFindBox->IsVisible() )

        {

        iFindBox->SetFocus( IsFocused(), aDrawNow );

        if ( aDrawNow == EDrawNow && IsFocused() )

            {

            iFindBox->DrawDeferred();

            }

        }

    }

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

// void CEvtMgmtUiStartupContainer::SizeChanged

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

//

void CEvtMgmtUiStartupContainer::SizeChanged()

    {

    EVTUIDEBUG("+ CEvtMgmtUiStartupContainer::SizeChanged()" );

	const TRect rect( Rect() );

    TAknLayoutRect controlRect;

    // Since iFindBox->IsVisible() returns EFalse if Adaptive Chars are shown, 

    // We check on FilteredNumberOfItems meaning the FindBox should be visible when 

    // FilteredNumberOfItems is greater than 1

    if( iListBox && iFindBox && 

            ( iFindBox->IsVisible() || iListBox->Model()->Filter()->FilteredNumberOfItems() > 1 ) )

        {

        controlRect.LayoutRect(rect, AknLayout::list_gen_pane( 1 ) );

        iListBox->SetRect( controlRect.Rect() );

        controlRect.LayoutRect(rect, AknLayout::find_pane() );

        iFindBox->SetRect( controlRect.Rect() );  

        }

    else if( iListBox )

        {

        controlRect.LayoutRect(rect, AknLayout::list_gen_pane( 0 ) );

        iListBox->SetRect( controlRect.Rect() );

        }

    EVTUIDEBUG("- CEvtMgmtUiStartupContainer::SizeChanged()" );

    }

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

// TInt CEvtMgmtUiStartupContainer::CountComponentControls

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

//

TInt CEvtMgmtUiStartupContainer::CountComponentControls() const

    {

    TInt count = 0;

    CCoeControl* controls[] = { iListBox, iFindBox };

    for ( TUint i = 0; i < sizeof( controls ) / sizeof( CCoeControl* ); i++ )

    {

        if ( controls[i] ) // Test for valid controls

        {

        count++;

        }

    }

    return count;

    }

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

// CCoeControl* CEvtMgmtUiStartupContainer::CEvtMgmtUiStartupContainer

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

//

CCoeControl* CEvtMgmtUiStartupContainer::ComponentControl(TInt aIndex ) const

    {

    CCoeControl* controls[] = { iListBox,

                                iFindBox};

    for ( TUint i = 0; i < sizeof( controls ) / sizeof( CCoeControl* ); i++ )

    {

        // Index is decremented only if control is not NULL

        if ( controls[i] && aIndex-- == 0 ) 

        {

        return controls[i];

        }

    }

    return NULL;

    }

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

// TKeyResponse CEvtMgmtUiStartupContainer::OfferKeyEventL

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

//    

TKeyResponse CEvtMgmtUiStartupContainer::OfferKeyEventL( const TKeyEvent& aKeyEvent,

								  				               TEventCode aType )

    {

    TKeyResponse keyresponse;

    TBool needRefresh = EFalse;

    TInt keyConsumed = iFindBox->TextLength();

	// Key is first offered to the Find box based on the key press.

    keyresponse = AknFind::HandleFindOfferKeyEventL(aKeyEvent, aType,

                        this, iListBox, iFindBox, EFalse, needRefresh);

    // Handle the ListBox Filter count changed event

    iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EListBoxFilterCountChanged ); 

	// This is to avoid the Mark for the First item of the list box.

	// We reset the modifier attribute

    TKeyEvent& keyEvent = const_cast<TKeyEvent&>(aKeyEvent);

    TInt index = CurrentItemIndex();

    if(index == 0 || 

       (index == iListBox->Model()->NumberOfItems() - 1) && aKeyEvent.iScanCode == EStdKeyDownArrow ||

       (index == 1) && aKeyEvent.iScanCode == EStdKeyUpArrow )

        {

        if(keyEvent.iModifiers & EModifierShift)

            keyEvent.iModifiers&= ~EModifierShift;

        if(keyEvent.iModifiers & EModifierLeftShift)

            keyEvent.iModifiers&= ~EModifierLeftShift;

        if(keyEvent.iModifiers & EModifierRightShift)

            keyEvent.iModifiers&= ~EModifierRightShift;

        if(keyEvent.iModifiers & EModifierCtrl)

            keyEvent.iModifiers&= ~EModifierCtrl;

        if(keyEvent.iModifiers & EModifierRightCtrl)

            keyEvent.iModifiers&= ~EModifierRightCtrl;

        }

	// Now handle the Key Event based on the Key type

    switch ( aKeyEvent.iScanCode )

        {            

        case EStdKeyUpArrow:

        case EStdKeyDownArrow:

            {

    	    keyresponse = iListBox->OfferKeyEventL( aKeyEvent, aType );

            iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EListBoxItemFocused );    

            return keyresponse;        	

            }

        case EStdKeyBackspace:

        case EStdKeyDelete:

            {

            if(aType == EEventKey && !keyConsumed )

                {

                keyresponse = iListBox->OfferKeyEventL( aKeyEvent, aType );

                iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EListBoxItemDeleted );

                }

            return keyresponse;               

            }

        case EStdKeyHash:

			{

            if(!index)

                {

                keyresponse = EKeyWasConsumed;

                }

            else

                {

                TBool shiftKeyPressed = ( aKeyEvent.iModifiers & EModifierShift );

                keyresponse = iListBox->OfferKeyEventL( aKeyEvent, aType );

                if( aType == EEventKeyUp && ( EKeyWasConsumed == keyresponse || !shiftKeyPressed ) )

                    iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EListBoxItemFocused );  

                }

            return keyresponse; 

			}

        default:

            {

            break;  

            }

        }

    // Now it's List box's job to process the key event

    return iListBox->OfferKeyEventL( aKeyEvent, aType ); 

    }   

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

// void CEvtMgmtUiStartupContainer::HandleResourceChange

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

//

void CEvtMgmtUiStartupContainer::HandleResourceChange( TInt aType )

	{

    // Pass the event to the base class

    CCoeControl::HandleResourceChange(aType);

    switch( aType )

        {

    	case KAknsMessageSkinChange:

        	{

        	TRAPD( error, UpdateIconsL() );

        	if ( error != KErrNone )

            	{

            	iEikonEnv->HandleError( error );

            	}                 

        	DrawDeferred();

        	break;

        	}

        // Dynamic Layout switch

        case KEikDynamicLayoutVariantSwitch:

            {

            // Handle the screen change event

            // Trap and Ignore the error

            TRAP_IGNORE(

                iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EScreenSizeChanged ));

            break;

            }

        default:

            {

            break;

            }

        }

	}

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

// void CEvtMgmtUiStartupContainer::HandleListBoxEventL

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

//	

void CEvtMgmtUiStartupContainer::HandleListBoxEventL( 

                                    CEikListBox*      /* aListBox */, 

                          		    TListBoxEvent      aEventType  )

	{

    switch (aEventType)

        {

        // List box Item Selection

        case EEventEnterKeyPressed:

        case EEventItemSingleClicked:

            {            

            iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EListBoxItemDoubleClicked );

            break;  

            }

        case EEventItemClicked:

            {

            iCmdHandler.HandleCmdL( MEvtMgmtUiCmdHdlr::EListBoxItemFocused);

            break;

            }

        default:

           break;

        }	

	}

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

// void CEvtMgmtUiStartupContainer::CreateListboxL

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

// 	

void CEvtMgmtUiStartupContainer::CreateListboxL( CEvtMgmtUiModel* aModel )

    {	

    EVTUIDEBUG("+ CEvtMgmtUiStartupContainer::CreateListboxL()" );

	// Create the List box

	iListBox = new ( ELeave ) CEvtMgmtUiListBox();

    iListBox->ConstructL( this, EAknListBoxStylusMarkableList );

    iListBox->SetContainerWindowL( *this ); 

    iListBox->SetListBoxObserver( this );

    iListBox->CreateScrollBarFrameL(ETrue);

    iListBox->ScrollBarFrame()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff,

    													 CEikScrollBarFrame::EAuto ); 

    UpdateIconsL();

	// Create the Listbox model

    CEvtMgmtUiListBoxModel* model = static_cast<CEvtMgmtUiListBoxModel*>(iListBox->Model());

    model->SetItemTextArray( aModel );	

    model->SetOwnershipType( ELbmDoesNotOwnItemArray ); 

    model->SetItemTextArrayToFilterModel();

    iListBox->ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue );

    iListBox->ActivateL();    

    EVTUIDEBUG("- CEvtMgmtUiStartupContainer::CreateListboxL()" );

    }

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

// CEvtMgmtUiStartupContainer::CreateFindBoxL()

//

// Creates the member iFindBox

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

//

void CEvtMgmtUiStartupContainer::CreateFindBoxL()

    {

    EVTUIDEBUG("+ CEvtMgmtUiStartupContainer::CreateFindBoxL()" );

    // Create the findbox.

    iFindBox = CAknSearchField::NewL( *this, CAknSearchField::EAdaptiveSearch, 

        NULL, KFindBoxTextLength );

    // Set default input mode to Katakana if current UI language is Japanese

    if (FeatureManager::FeatureSupported(KFeatureIdJapanese) &&

        (User::Language() == ELangJapanese))

        {

        iFindBox->Editor().SetAknEditorInputMode(EAknEditorKatakanaInputMode);

        }

    else

        {

        iFindBox->Editor().SetAknEditorCurrentInputMode(EAknEditorTextInputMode);

        }

    // Set Column mask

    iFindBox->SetListColumnFilterFlags(2); // This is set to search only "Subject" column

    STATIC_CAST(CAknFilteredTextListBoxModel*, iListBox->Model())->CreateFilterL(iListBox,iFindBox);

    STATIC_CAST(CAknFilteredTextListBoxModel*, iListBox->Model())->Filter()->SetParentControl( this );

    iListBox->Model()->SetFindToFilterModel(iFindBox);

    iFindBox->ActivateL();    

    EVTUIDEBUG("- CEvtMgmtUiStartupContainer::CreateFindBoxL()" );

    }

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

// CEvtMgmtUiStartupContainer::MakeFindBoxVisible()

//

// Deletes the member iFindBox

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

//

void CEvtMgmtUiStartupContainer::HandleFindBoxVisibility()

    {

    if( iListBox && iFindBox )

        {

        if(iListBox->Model()->Filter()->FilteredNumberOfItems() < KMinCountForFilter )

            {

            iFindBox->SetFocusing( EFalse );

            iFindBox->MakeVisible( EFalse );

            iListBox->SetFocusing( ETrue );

            }

        else

            {

            iFindBox->SetFocusing( ETrue );

            iFindBox->MakeVisible( ETrue );

            iListBox->SetFocusing( EFalse );

            }

        SizeChanged();

        DrawNow();

        }

    }

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

// CEvtMgmtUiStartupContainer::UpdateIconsL

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

void CEvtMgmtUiStartupContainer::UpdateIconsL()

    {

    EVTUIDEBUG( "+ CEvtMgmtUiStartupContainer::UpdateIconsL()" );

    CAknIconArray* icons = new( ELeave ) CAknIconArray( KIconArrayGranularity );

    CleanupStack::PushL( icons );

	TFileName *iconFile = IconFileNameLC();

//Create new event

    AddIconL( *icons, 

    		  *iconFile,

    		  KAknsIIDQgnPropLocevNew, 

    		  EMbmEvtmgmtuiQgn_prop_locev_new, EMbmEvtmgmtuiQgn_prop_locev_new_mask);

    //active

     AddIconL( *icons, 

             *iconFile,

             KAknsIIDQgnPropLocevTrigger, 

             EMbmEvtmgmtuiQgn_prop_locev_trigger, EMbmEvtmgmtuiQgn_prop_locev_trigger_mask);

    //draft            

    AddIconL( *icons, 

             *iconFile,

             KAknsIIDQgnPropLocevDraft, 

             EMbmEvtmgmtuiQgn_prop_locev_draft, EMbmEvtmgmtuiQgn_prop_locev_draft_mask);

   //completed       

    AddIconL( *icons, 

                *iconFile,

                KAknsIIDQgnPropLocevCompleted, 

                EMbmEvtmgmtuiQgn_prop_locev_completed, EMbmEvtmgmtuiQgn_prop_locev_completed_mask);

  // repeat                

	AddColorIconL( *icons, 

                *iconFile,

                KAknsIIDQgnIndiRepeatAdd, 

                EMbmEvtmgmtuiQgn_indi_repeat_add, EMbmEvtmgmtuiQgn_indi_repeat_add_mask);

    CleanupStack::PopAndDestroy(iconFile);

    //get old icons and delete those

    CAknIconArray* oldIcons = static_cast<CAknIconArray*>(

        iListBox->ItemDrawer()->ColumnData()->IconArray() );    

    delete oldIcons;

    //set new icons to array

    iListBox->ItemDrawer()->ColumnData()->SetIconArray( icons );  

    CleanupStack::Pop(icons);

    EVTUIDEBUG( "- CEvtMgmtUiStartupContainer::UpdateIconsL()" );

    }