/*

* 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:  Implementation of View Utils

*

*/

#include <calenviewutils.h>

#include <calendateutils.h>

#include <Calendar.rsg>

#include <AknUtils.h>

#include <calentry.h>

#include <calalarm.h>

#include <calenagendautils.h>

#include <CalenInterimUtils2.h>

#include <StringLoader.h>

#include <aknnotewrappers.h>

#include <Calendar.rsg>

#include <AknQueryDialog.h>

#include <calinstance.h>

#include <calsession.h>

#include <akntoolbar.h>

#include <aknappui.h>

#include "calendarui_debug.h"           // Debug.

#include "calendar.hrh"

_LIT( KWesternSummaryMarker, "\x200E" );

_LIT( KArabicSummaryMarker , "\x200F" );

/* KReplaceWhitespaceChars contains some characters that should be replaced by

 * space in Calendar popup, day view etc. Characters are:

 * \x0009 horizontal tab

 * \x000a new line

 * \x000b line tabulation (vertical

 * \x000c form feed

 * \x000d carriage return

 * \x2028 line separator

 * \x2029 paragraph separator

 */

_LIT( KReplaceWhitespaceChars, "\x0009\x000A\x000B\x000C\x000D\x2028\x2029" );

_LIT( KWesternSummaryLocationSeparator, ", " );

_LIT( KArabicSummaryLocationSeparator, " \x060c" );

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

// CalenViewUtils::ShowDateErrorNoteL

// Show Error note of out of range of date

// (other items were commented in a header).

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

//

EXPORT_C void CalenViewUtils::ShowDateOutOfRangeErrorNoteL()

    {

    TRACE_ENTRY_POINT;

    HBufC* buf = StringLoader::LoadLC( R_QTN_CALE_INFO_YEAR_LIMIT );

    TPtr ptr = buf->Des();

    // Message contains year numbers, which have to be converted

    AknTextUtils::DisplayTextLanguageSpecificNumberConversion( ptr );

    CAknInformationNote* dialog = new( ELeave )CAknInformationNote();

    dialog->ExecuteLD( *buf );

    CleanupStack::PopAndDestroy( buf );

    TRACE_EXIT_POINT;

    }

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

// CalenViewUtils::GetSummaryLocationTextL

// Fills a string with a more displayable text representation of the summary

// and location fields from an entry. The number of characters to fill in the

// target string must be specified. The function replaces problem characters

// with spaces and trims whitespace. See KReplaceWhitespaceChars for replaced

// characters.

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

//

EXPORT_C void CalenViewUtils::GetSummaryLocationTextL( 

        CCalEntry& aEntry, 

        TDes& aTarget, 

        TInt aMaxLength )

    {

    TRACE_ENTRY_POINT;

    // Every Copy and Append has to ensure that MaxLength is not exceed.

    const TInt max = aMaxLength;

    TInt freeSpace = max - 2; // freeSpace is recalculated after each update

    const TDesC& summary = aEntry.SummaryL();    

    //const TDesC& location = aEntry.LocationL();    

    const TDesC& westernSeparator = KWesternSummaryLocationSeparator;

    const TDesC& arabicSeparator =  KArabicSummaryLocationSeparator;

    //location string is not available for anniversary and todo

    HBufC16* text = HBufC16::NewLC( max );    

    TPtrC location = text->Des();

    if ( CCalEntry::ETodo != aEntry.EntryTypeL())

        {

            location.Set(aEntry.LocationL());

        }

    if(AknLayoutUtils::LayoutMirrored())

        {

        aTarget.Append(KArabicSummaryMarker);

        }

    else

        {

        aTarget.Append(KWesternSummaryMarker);

        }

    // "Summary"

    aTarget.Append( summary.Left( freeSpace ) );

    freeSpace = max - aTarget.Length();

    // If both summary and location exists, add separator ", " in between.

    if ( summary.Length() > 0 && location.Length() > 0 && freeSpace > 0 )

        {

        if ( User::Language() == ELangArabic )

            {

            aTarget.Append( arabicSeparator.Left( freeSpace ) );

            }

        else

            {

            aTarget.Append( westernSeparator.Left( freeSpace ) );

            }

        freeSpace = max - aTarget.Length();

        }

    // "Location". It's added even if summary is empty

    if( freeSpace > 0 )

		    {

		    aTarget.Append( location.Left( freeSpace ) );

		    }

    freeSpace = max - aTarget.Length();

    AknTextUtils::ReplaceCharacters(aTarget, KReplaceWhitespaceChars, TChar(' '));

    freeSpace = max - aTarget.Length();

    // Take away extra whitespace

    aTarget.TrimAll();

    freeSpace = max - aTarget.Length();

    // Set "<unnamed>" string for text, if there's nothing in buffer so far

    //if ( aTarget.Length() == 0 )

    if ( aEntry.SummaryL().Length()  == 0 && location.Length() == 0 )

        {

        HBufC* emptytext = StringLoader::LoadLC( R_CALEN_QTN_CALE_NO_SUBJECT );

        aTarget.Copy( emptytext->Left( freeSpace ) );

        freeSpace = max - aTarget.Length();

        CleanupStack::PopAndDestroy(emptytext);

        }

    CleanupStack::PopAndDestroy( text );

    TRACE_EXIT_POINT;

    }

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

// CalenNoteDataUtil::DateQueryL

// Prompts the user for a time. Requires a title resource id, or pass 0

// for default title "Date:".

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

//

EXPORT_C TInt CalenViewUtils::DateQueryL( TTime& aDate, TInt aPromptId )

    {

    TRACE_ENTRY_POINT;

    if ( aPromptId == 0 )

        {

        aPromptId = R_CALEN_DATE_PROMPT;

        }

    CAknTimeQueryDialog* dlg = CAknTimeQueryDialog::NewL( aDate,

                                                          CAknQueryDialog::ENoTone );

    CleanupStack::PushL(dlg);

    HBufC* prompt = StringLoader::LoadLC( aPromptId, CEikonEnv::Static() );

    dlg->SetPromptL( *prompt );

    CleanupStack::PopAndDestroy( prompt );

    CleanupStack::Pop(); // dlg

    TRACE_EXIT_POINT;

    return dlg->ExecuteLD( R_CALEN_DAYQUERY_NOTE );

    }

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

// CalenViewUtils::IsAllDayEvent

// Allday event is an event  with a duration of n*24h.

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

//

EXPORT_C TBool CalenViewUtils::IsAlldayEventL( const CCalInstance& aInstance )

    {

    TRACE_ENTRY_POINT;

    TBool allDayEvent( EFalse );

    CCalEntry& entry = aInstance.Entry();

    if ( CCalEntry::EAppt == entry.EntryTypeL()

         ||CCalEntry::EEvent == entry.EntryTypeL()  )

        {    

        TCalTime startTime = entry.StartTimeL();

        TCalTime stopTime  = entry.EndTimeL();

        TTime startLocalTime = startTime.TimeLocalL();

        TTime stopLocalTime = stopTime.TimeLocalL();

        TTimeIntervalDays differenceInTime = stopLocalTime.DaysFrom(startLocalTime); // fix for AllDayEntry issue

        if( startLocalTime != stopLocalTime && 

                startLocalTime == CalenDateUtils::BeginningOfDay( startLocalTime ) && 

                stopLocalTime == CalenDateUtils::BeginningOfDay( stopLocalTime ) && 

                startLocalTime != stopLocalTime && differenceInTime.Int() == 1 ) // fix for AllDayEntry issue

            {

            allDayEvent = ETrue;

            }

        else

            {

            allDayEvent = EFalse;

            }

        }

    TRACE_EXIT_POINT;

    return allDayEvent;

    }

// End of file.