calendarui/regionalplugins/calenregionalutil/src/calenextrarowformatter.cpp
changeset 0 f979ecb2b13e
child 5 42814f902fe6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/calendarui/regionalplugins/calenregionalutil/src/calenextrarowformatter.cpp	Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,348 @@
+/*
+* Copyright (c) 2008 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:   Calendar Lunar Plugin 
+ *
+*/
+
+
+#include "calendarui_debug.h"
+#include "calenextrarowformatter.h"
+#include <calenregionalutil.rsg>
+#include <AknBidiTextUtils.h>
+#include <badesca.h> 
+#include <eikenv.h>
+#include <StringLoader.h>
+
+
+// -----------------------------------------------------------------------------
+// CollapseDuplicatesL
+// -----------------------------------------------------------------------------
+//
+void CollapseDuplicatesL( TDes& aStr, TInt aPos, const TDesC& aSub )
+    {
+    TRACE_ENTRY_POINT;
+    
+    const TInt sublen = aSub.Length();
+    if (aStr.Length() == 0 || sublen == 0)
+        {
+        return;
+        }
+
+    TPtrC remaining = aStr.Mid( aPos );
+    TInt fstInRemaining = remaining.Find( aSub );
+    
+    if ( fstInRemaining >= 0 )
+        {
+        TInt restPos = fstInRemaining + sublen;
+        TPtrC rest = remaining.Mid( restPos );
+        TInt sndInRest = rest.Find( aSub );
+
+        // 1) two substrings found in sequence 
+        if (sndInRest == 0)
+            { 
+            // replace second substring with empty string
+            TInt fst = aPos + fstInRemaining;
+            TInt snd = aPos + restPos + sndInRest;
+            aStr.Replace( snd, sublen, KNullDesC);
+            // continue collapsing from first 
+            CollapseDuplicatesL( aStr, fst, aSub );
+            }
+        // 2) substring found later in string 
+        else if (sndInRest > 0)
+            {         
+            // continue collapsing from this second substring
+            TInt snd = aPos + restPos + sndInRest;
+            CollapseDuplicatesL( aStr, snd, aSub );
+            }
+        // 3) No second substring found -> nothing to collapse
+        else             
+            {
+            TRACE_EXIT_POINT; 
+            return;
+            }
+        }
+    // No substring found 
+    else
+        {
+        TRACE_EXIT_POINT;
+        return;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// RemoveLeadingAndTrailingL
+// -----------------------------------------------------------------------------
+//
+void RemoveLeadingAndTrailingL( TDes& aStr, const TDesC& aSub )
+    {
+    TRACE_ENTRY_POINT;
+    
+    // Trailing
+    const TInt sublen = aSub.Length();
+    if ( aStr.Right( sublen ).Find( aSub ) == 0 )
+        {
+        aStr.Replace( aStr.Length() - sublen, sublen, KNullDesC );
+        }
+
+    // Leading 
+    if ( aStr.Left( sublen ).Find( aSub ) == 0 )
+        {
+        aStr.Replace( 0, sublen, KNullDesC );
+        }
+        
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenExtraRowFormatter::NewL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCalenExtraRowFormatter* CCalenExtraRowFormatter::NewL()
+    {
+    TRACE_ENTRY_POINT;
+    
+    CCalenExtraRowFormatter* self = new (ELeave) CCalenExtraRowFormatter;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    
+    TRACE_EXIT_POINT;
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenExtraRowFormatter::~CCalenExtraRowFormatter
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCalenExtraRowFormatter::~CCalenExtraRowFormatter()
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenExtraRowFormatter::CCalenExtraRowFormatter
+// -----------------------------------------------------------------------------
+//
+CCalenExtraRowFormatter::CCalenExtraRowFormatter()
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenExtraRowFormatter::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CCalenExtraRowFormatter::ConstructL()
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCalenExtraRowFormatter::FormatExtraRowInformationL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TPtrC CCalenExtraRowFormatter::FormatExtraRowInformationL( 
+    CCalenLunarLocalizedInfo& aLocInfo, 
+    RArray<CCalenLunarLocalizedInfo::TField>& aPrioritizedFields,
+    TInt aMaxWidth,
+    const CFont& aFont
+    ,TBool aTwoLines
+    )
+    {
+    TRACE_ENTRY_POINT;
+    
+    
+    if ( aPrioritizedFields.Count() == 0)
+        {
+        iText = KNullDesC;
+        
+        TRACE_EXIT_POINT;
+        return iText;
+        }
+
+    // Initialize substring labels
+    RArray<CCalenLunarLocalizedInfo::TField> subLabels;
+    CleanupClosePushL( subLabels );
+    subLabels.AppendL( CCalenLunarLocalizedInfo::EAnimalYear );
+    subLabels.AppendL( CCalenLunarLocalizedInfo::ELunarYear );
+    subLabels.AppendL( CCalenLunarLocalizedInfo::ELunarMonthAndDay );
+    subLabels.AppendL( CCalenLunarLocalizedInfo::EFestival );
+    subLabels.AppendL( CCalenLunarLocalizedInfo::ESolarTerm );
+    
+    // ASSERT that all prioritized fields can be found from subLabels
+    for ( TInt i=0; i < aPrioritizedFields.Count(); i++)
+        {
+        ASSERT( subLabels.Find( aPrioritizedFields[i] ) >= 0 ); 
+        }
+
+    TBool fits = EFalse;
+
+    do 
+        {
+        // Initialize substring array 
+        CPtrCArray* subs = new (ELeave) CPtrCArray(10);
+        CleanupStack::PushL( subs );
+        for ( TInt i = 0; i < subLabels.Count(); i++) 
+            {
+            subs->AppendL( TPtrC( KNullDesC ) );
+            }
+        // subs->InsertL( 0, TPtrC( KNullDesC ), 5 );
+        
+        // Set wanted fields to substring array
+        for ( TInt i = 0; i < aPrioritizedFields.Count(); i++)
+            {
+            CCalenLunarLocalizedInfo::TField field = aPrioritizedFields[i];        
+            TInt subIx = subLabels.Find( field );
+            // Replace 
+            subs->Delete(subIx);
+            RDebug::Print( _L("A sub count  %d"), subs->Count() );                       
+            subs->InsertL(subIx, TPtrC( aLocInfo.GetField( field ) ) );
+            RDebug::Print( _L("B sub count %d"), subs->Count() );                       
+            RDebug::Print( _L("B field %S"), &(subs->At(subIx)) );                       
+            
+            }
+        
+        // Format all fields to extra row     
+        HBufC* extraRowFmt = StringLoader::LoadLC( R_CALE_EXTRA_ROW_LUNAR );
+        
+        RDebug::RawPrint( *extraRowFmt );
+        
+        TBuf<1000> fmt = *extraRowFmt;
+        for (TInt i=0; i < subLabels.Count(); i++)
+            {
+            RDebug::Print( _L("Before Format") );
+            RDebug::RawPrint( fmt );
+            StringLoader::Format( iText, 
+                                  fmt,
+                                  i + 1, // %0U is a separator 
+                                  subs->At( i ) );
+            fmt = iText;
+            RDebug::Print( _L("After Format") );
+            RDebug::RawPrint( fmt );
+            }
+        
+        // Now we have something like "Year of Dog%0U%0U6/11%0U%0U" 
+        // First We need to remove multiple occurences of %0U
+        _LIT(KSeparatorFmt, "%0U");
+        
+        CollapseDuplicatesL( iText, 0, KSeparatorFmt );
+        RDebug::Print( _L("After collapse") );
+        RDebug::RawPrint( iText );
+
+        // Remove leading and trailing %0U
+        // By now, we are sure that there is max 1 %0U in the beginning
+        // and in the end of string.
+        RemoveLeadingAndTrailingL( iText, KSeparatorFmt );
+        RDebug::Print( _L("After leading and trailing removal") );
+        RDebug::RawPrint( iText );
+        
+
+        // If there are now separators anymore, then do not fill them
+        TBool hasSeparators = iText.Find( KSeparatorFmt ) >= 0;
+        
+        if ( hasSeparators ) 
+            {
+        
+            // fill in separators
+            HBufC* separator = StringLoader::LoadLC( R_CALE_LUNAR_SEPARATOR );
+            fmt = iText;
+            StringLoader::Format( iText, 
+                                  fmt,
+                                  0, // %0U is a separator 
+                                  *separator );
+        
+            RDebug::Print( _L("After separator insert") );
+            RDebug::RawPrint( iText );
+            CleanupStack::PopAndDestroy( separator );
+            }
+
+
+        CleanupStack::PopAndDestroy( extraRowFmt );
+        CleanupStack::PopAndDestroy( subs );
+        
+        fits = TryToFitL( iText, aMaxWidth, aFont
+
+                          , aTwoLines
+
+                          ); 
+        if ( ! fits )
+            {
+            iText = KNullDesC;
+            TInt last = aPrioritizedFields.Count() - 1;
+            if ( last >= 0 )
+                {
+                aPrioritizedFields.Remove( last );
+                }
+            }
+
+        
+        } while ( ! fits && aPrioritizedFields.Count() );
+
+    CleanupStack::PopAndDestroy( &subLabels );
+    
+    
+    
+    TRACE_EXIT_POINT;
+    return iText;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenExtraRowFormatter::TryToFitL
+// -----------------------------------------------------------------------------
+//
+TBool CCalenExtraRowFormatter::TryToFitL( const TDesC& aStr, TInt aMaxWidth, const CFont& aFont
+                                           , TBool aTwoLines )
+    {
+    TRACE_ENTRY_POINT;
+    
+    TBool result(EFalse);
+    if(aTwoLines)
+        {
+        CArrayFixFlat<TPtrC>* textLines = new(ELeave)CArrayFixFlat<TPtrC>( 3 );
+        CleanupStack::PushL( textLines );
+        
+        CArrayFixFlat<TInt>* lineWidths = new( ELeave )CArrayFixFlat<TInt>( 1 );
+        CleanupStack::PushL( lineWidths );
+        
+        lineWidths->AppendL( aMaxWidth );
+        
+        HBufC* visualText = AknBidiTextUtils::ConvertToVisualAndWrapToArrayWholeTextL(
+            aStr,
+            *lineWidths,
+            aFont,
+            *textLines);
+
+        result = (textLines->Count() <= 2);
+            
+        CleanupStack::PopAndDestroy( lineWidths );
+        CleanupStack::PopAndDestroy( textLines );
+        delete visualText;
+        }
+    else
+        {
+        CFont::TMeasureTextInput::TFlags logicalOrder = static_cast<CFont::TMeasureTextInput::TFlags>(0);
+        TInt textW = AknBidiTextUtils::MeasureTextBoundsWidth( aFont, aStr, logicalOrder );
+        result = (textW <= aMaxWidth);
+        }   
+    
+    TRACE_EXIT_POINT;
+    return result;
+    }
+
+//EOF
+