diff -r d189ee25cf9d -r 3533d4323edc meetingrequest/mrgui/src/cesmrmixedfieldstorage.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/src/cesmrmixedfieldstorage.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,510 @@
+/*
+* Copyright (c) 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:  Implementation of the class CESMRMixedFieldStorage
+*
+*/
+
+#include "emailtrace.h"
+#include "cesmrmixedfieldstorage.h"
+
+//<cmail>
+#include "cesmrpolicy.h"
+#include "esmrdef.h"
+//</cmail>
+
+#include "cesmrmeetingtimevalidator.h"
+#include "tesmrentryfield.h"
+#include "mesmrresponseobserver.h"
+#include "mesmrcalentry.h"
+#include "cesmrvalidatorfactory.h"
+#include "cesmrglobalnote.h"
+#include "cesmrfield.h"
+#include "cesmrfieldeventqueue.h"
+
+// Unnamed namespace for local definitions
+namespace { // codescanner::namespace
+
+/**
+ * Tests, if entry has valid recurrence for editing.
+ * @param aEntry Reference to entry.
+ * @param aRecurrenceValue On return contains entrys recurrence
+ * @return ETrue, if entry has valid recurrence for editing.
+ *         EFalse, if entry hasn't valid recurrence for editing.
+ */
+TBool HasValidRecurrenceForEditingL(
+        const MESMRCalEntry& aEntry,
+        TESMRRecurrenceValue& aRecurrenceValue )
+    {
+    TBool retValue( ETrue );
+
+    if ( aEntry.IsRecurrentEventL() )
+        {
+        TTime until;
+
+        aEntry.GetRecurrenceL( aRecurrenceValue, until );
+
+        if ( ERecurrenceNot == aRecurrenceValue ||
+             ERecurrenceUnknown == aRecurrenceValue )
+            {
+            // Entry has unrecognized recurrende type
+            // --> Cannot be edited.
+            retValue = EFalse;
+            }
+        }
+    return retValue;
+    }
+
+void ShowValidationErrorL(
+        const MESMRFieldValidator::TESMRFieldValidatorError& aError,
+        TESMREntryFieldId& aUpdatedFocus )
+    {
+    FUNC_LOG;
+    TInt err( KErrArgument );
+    switch ( aError )
+        {
+        case MESMRFieldValidator::EErrorEndEarlierThanStart:
+            {
+            aUpdatedFocus = EESMRFieldMeetingTime;
+            CESMRGlobalNote::ExecuteL(
+                    CESMRGlobalNote::EESMREntryEndEarlierThanItStart );
+            }
+            break;
+
+        case MESMRFieldValidator::EErrorRecDifferetStartAndEnd:
+            {
+            aUpdatedFocus = EESMRFieldStopDate;
+            CESMRGlobalNote::ExecuteL(
+                    CESMRGlobalNote::EESMRRepeatDifferentStartAndEndDate );
+            }
+            break;
+
+        case MESMRFieldValidator::EErrorRecUntilEarlierThanStart:
+            {
+            aUpdatedFocus = EESMRFieldRecurrenceDate;
+            CESMRGlobalNote::ExecuteL(
+                    CESMRGlobalNote::EESMRRepeatEndEarlierThanItStart );
+            }
+            break;
+
+        case MESMRFieldValidator::EErrorAlarmLaterThanStart:
+            {
+            aUpdatedFocus = EESMRFieldAlarmDate;
+            CESMRGlobalNote::ExecuteL(
+                    CESMRGlobalNote::EESMRCalenLaterDate );
+            }
+            break;
+
+        case MESMRFieldValidator::EErrorAlarmInPast:
+            {
+            aUpdatedFocus = EESMRFieldAlarmDate;
+            CESMRGlobalNote::ExecuteL(
+                    CESMRGlobalNote::EESMRAlarmAlreadyPassed );
+            }
+            break;
+            
+        case MESMRFieldValidator::EErrorRescheduleInstance:
+            {
+            CESMRGlobalNote::ExecuteL(
+                                CESMRGlobalNote::EESMRRepeatReSchedule );
+            }
+            break;
+            
+        case MESMRFieldValidator::EErrorInstanceOverlapsExistingOne:
+            {
+            CESMRGlobalNote::ExecuteL(
+                                CESMRGlobalNote::EESMROverlapsExistingInstance );
+            }
+            break;
+            
+        case MESMRFieldValidator::EErrorInstanceAlreadyExistsOnThisDay:
+            {
+            CESMRGlobalNote::ExecuteL(
+                                CESMRGlobalNote::EESMRInstanceAlreadyExistsOnThisDay );
+            }
+            break;
+            
+        case MESMRFieldValidator::EErrorInstanceOutOfSequence:
+            {
+            CESMRGlobalNote::ExecuteL(
+                                CESMRGlobalNote::EESMRInstanceOutOfSequence );
+            }
+            break;
+            
+        default:
+            err = KErrNone;
+            break;
+        }
+
+    User::LeaveIfError( err );
+    }
+
+} // namespace
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::CESMRMixedFieldStorage
+// ---------------------------------------------------------------------------
+//
+CESMRMixedFieldStorage::CESMRMixedFieldStorage(
+        MESMRFieldEventObserver& aEventObserver,
+        MESMRResponseObserver* aResponseObserver ) :
+    CESMRFieldStorage( aEventObserver),
+    iResponseObserver(aResponseObserver)
+    {
+    FUNC_LOG;
+    // Do nothing
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::~CESMRMixedFieldStorage
+// ---------------------------------------------------------------------------
+//
+CESMRMixedFieldStorage::~CESMRMixedFieldStorage( )
+    {
+    FUNC_LOG;
+    delete iValidator;
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::NewL
+// ---------------------------------------------------------------------------
+//
+CESMRMixedFieldStorage* CESMRMixedFieldStorage::NewL(
+        MESMRFieldEventObserver& aEventObserver,
+        const CESMRPolicy& aPolicy,
+        MESMRResponseObserver* aResponseObserver,
+        MESMRCalEntry& aEntry )
+    {
+    FUNC_LOG;
+    CESMRMixedFieldStorage* self =
+            new (ELeave) CESMRMixedFieldStorage(
+                    aEventObserver,
+                    aResponseObserver );
+
+    CleanupStack::PushL( self );
+    self->ConstructL( aPolicy, aEntry );
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::ConstructL(
+        const CESMRPolicy& aPolicy,
+        MESMRCalEntry& aEntry )
+    {
+    FUNC_LOG;
+    CESMRFieldStorage::BaseConstructL();
+    
+    DoChangePolicyL( aPolicy, aEntry );
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ExternalizeL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::ExternalizeL( MESMRCalEntry& aEntry )
+    {
+    FUNC_LOG;
+    CESMRFieldStorage::ExternalizeL ( aEntry );
+    if ( iValidator )
+        {
+        iValidator->StoreValuesToEntryL( aEntry );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::InternalizeL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::InternalizeL( MESMRCalEntry& aEntry )
+    {
+    FUNC_LOG;
+    CESMRFieldStorage::InternalizeL ( aEntry );
+    if ( iValidator )
+        {
+        iValidator->ReadValuesFromEntryL( aEntry );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::Validate
+// ---------------------------------------------------------------------------
+//
+TInt CESMRMixedFieldStorage::Validate(
+        TESMREntryFieldId& aUpdatedFocus, TBool aForceValidation )
+    {
+    FUNC_LOG;
+    TInt err( KErrNone );
+    if ( iValidator )
+        {
+        MESMRFieldValidator::TESMRFieldValidatorError error;
+        TRAP( err, error = iValidator->ValidateL( aForceValidation ) );
+
+        if ( !aForceValidation )
+            {
+            // If error note does not success, there is much we can do.
+            TRAP( err, ShowValidationErrorL( error, aUpdatedFocus ) );
+            }
+        else
+            {
+            // Force exit is used.
+            err = KErrNone;
+            }
+        }
+    return err;
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ChangePolicyL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::ChangePolicyL(
+        const CESMRPolicy& aNewPolicy,
+        MESMRCalEntry& aEntry )
+    {
+    // Delegate to non-virtual
+    DoChangePolicyL( aNewPolicy, aEntry );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ConstructForwardEventL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::ConstructForwardEventL(
+        const CESMRPolicy& aPolicy,
+        MESMRFieldValidator* aValidator )
+    {
+    FUNC_LOG;
+    iValidator = aValidator;
+    
+    RArray< TESMREntryField > array = aPolicy.Fields();
+
+    TInt fieldCount( array.Count() );
+    for (TInt i(0); i < fieldCount; i++ )
+        {
+        CESMRField* field =  NULL;
+        TBool visible = ( array[i].iFieldViewMode == EESMRFieldTypeDefault );
+        switch ( array[i].iFieldId )
+            {            
+            case EESMRFieldAttendee: //Fall through 
+            case EESMRFieldOptAttendee: //Fall through
+            case EESMRFieldDescription:
+                {
+                field = CreateEditorFieldL( iValidator, array[i] );
+                }
+                break;
+            default:
+                {
+                field =  
+					CreateViewerFieldL( iResponseObserver, array[i], visible );
+                field->LockL();
+                }
+                break;
+            }
+        
+        if( field->FieldViewMode() != EESMRFieldTypeDisabled )
+            {
+            CleanupStack::PushL( field );
+            AddFieldL( field, visible );
+            CleanupStack::Pop( field );
+            }
+        else
+            {
+            delete field;
+            field = NULL;
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ConstructRecurrentEventL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::ConstructRecurrentEventL(
+        const CESMRPolicy& aPolicy,
+        MESMRFieldValidator* aValidator )
+    {
+    FUNC_LOG;
+    iValidator = aValidator;
+    iValidator->SetFieldEventQueue( &EventQueueL() );
+
+    const RArray<TESMREntryField>& array = aPolicy.Fields();
+    TInt fieldCount( array.Count() );
+    for (TInt i(0); i < fieldCount; ++i )
+        {
+        CESMRField* field = NULL;
+        TBool visible = array[i].iFieldViewMode == EESMRFieldTypeDefault;
+        switch ( array[i].iFieldId )
+            {
+            case EESMRFieldRecurrence: //Fall through
+            case EESMRFieldRecurrenceDate:
+            default:
+                field =  CreateEditorFieldL( iValidator, array[i] );
+                break;
+            }
+
+        if ( field )
+            {
+            CleanupStack::PushL( field );
+            AddFieldL(field, visible );
+            CleanupStack::Pop( field );
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ConstructEditSeriesEventL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::ConstructEditSeriesEventL(
+        const CESMRPolicy& aPolicy,
+        MESMRFieldValidator* aValidator )
+    {
+    FUNC_LOG;
+    TESMRRecurrenceValue recurrenceType;
+    TBool validRecurrence(
+            HasValidRecurrenceForEditingL(
+                    *iEntry,
+                    recurrenceType ) );
+
+    iValidator = aValidator;
+    iValidator->SetFieldEventQueue( &EventQueueL() );
+    
+    const RArray<TESMREntryField>& array = aPolicy.Fields();
+    CESMRField* field =  NULL;
+    
+    TInt fieldCount(  array.Count() );
+    for (TInt i(0); i < fieldCount; i++ )
+        {
+        const TESMREntryField& tfield = array[i];
+        TBool visible = tfield.iFieldViewMode == EESMRFieldTypeDefault;
+        switch ( tfield.iFieldId )
+            {
+            // Flowthrough
+            case EESMRFieldRecurrence:
+            case EESMRFieldRecurrenceDate:
+                {
+                if ( validRecurrence )
+                    {
+                    field = CreateEditorFieldL( iValidator, tfield );
+                    }
+                else
+                    {
+                    // Entry has unrecognized recurrende type
+                    // --> Cannot be edited.
+                    field = CreateViewerFieldL( 
+								iResponseObserver, tfield, visible );
+                    field->LockL();
+                    }
+                }
+                break;
+            default:
+                {
+                field = CreateEditorFieldL( iValidator, tfield );
+                }
+                break;
+            }
+
+        if( field->FieldViewMode() != EESMRFieldTypeDisabled )
+            {
+            CleanupStack::PushL( field );
+            AddFieldL( field, visible );
+            CleanupStack::Pop( field );
+            }
+        else
+            {
+            delete field;
+            field = NULL;
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::ConstructEditSeriesEventL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::Reset()
+    {
+    CESMRFieldStorage::Reset();
+    delete iValidator;
+    iValidator = NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRMixedFieldStorage::DoChangePolicyL
+// ---------------------------------------------------------------------------
+//
+void CESMRMixedFieldStorage::DoChangePolicyL(
+        const CESMRPolicy& aNewPolicy,
+        MESMRCalEntry& aEntry )
+    {
+    Reset();
+    iEntry = &aEntry;
+    
+    // FORWARD allows only attendee fields and description to be edited.
+    // EDIT RECURRENT EVENT allows only start-end time and start date
+    // to be edited.
+
+    MESMRCalEntry::TESMRRecurrenceModifyingRule rule(
+            iEntry->RecurrenceModRule() );
+
+    if ( iEntry->IsRecurrentEventL() &&
+         rule == MESMRCalEntry::EESMRAllInSeries  &&
+         EESMREditMR == aNewPolicy.ViewMode())
+        {
+        // Contruct edit series
+        // validator ownership is transferred
+        MESMRFieldValidator* validator =
+        CESMRValidatorFactory::CreateValidatorL (
+                aNewPolicy.EventType() );
+
+        ConstructEditSeriesEventL(
+                aNewPolicy,
+                validator );
+
+        iEventType = EMixedFieldStorageEditSeriesEvent;
+        }
+
+    else if ( aNewPolicy.ViewMode() != EESMRForwardMR )
+        {
+        MESMRFieldValidator* validator =
+                CESMRValidatorFactory::CreateValidatorL (
+                        aNewPolicy.EventType() );
+
+        ConstructRecurrentEventL ( aNewPolicy,
+                validator );
+
+        iEventType = EMixedFieldStorageRecurrentEvent;
+        }
+    else
+        {
+        // No validator is needed because forwarding does not
+        // affecto to any time fields.
+        MESMRFieldValidator* validator = NULL;
+        ConstructForwardEventL (
+                aNewPolicy,
+                validator );
+
+        iEventType = EMixedFieldStorageForward;
+        }
+    }
+
+// EOF
+