--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/ServerApplication/src/Pbk2AssignValidateField.cpp	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,179 @@
+/*
+* Copyright (c) 2005-2007 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:  Phonebook 2 assign service field validator.
+*
+*/
+
+
+#include "Pbk2AssignValidateField.h"
+
+// Phonebook 2
+#include <CPbk2PresentationContact.h>
+#include <CPbk2PresentationContactFieldCollection.h>
+
+// Virtual Phonebook
+#include <MVPbkContactStore.h>
+#include <MVPbkContactStoreProperties.h>
+#include <MVPbkContactFieldTextData.h>
+#include <MVPbkFieldType.h>
+#include <VPbkEng.rsg>
+
+
+/// Unnamed namespace for local definitions
+namespace {
+
+const TInt KOne = 1;
+
+/**
+ * Checks does a given file exist.
+ *
+ * @param aFs           File server session.
+ * @param aFileName     Name of the file to check.
+ * @return  ETrue if file exists.
+ */
+inline TBool FileExists( RFs& aFs, const TDesC& aFileName )
+    {
+    TEntry ignore;
+    return ( aFs.Entry( aFileName, ignore ) == KErrNone );
+    }
+
+/**
+ * Returns the amount of fields of given type in given contact.
+ *
+ * @param aContact      The contact to inspect.
+ * @param aFieldType    The field type to inspect.
+ * @return  Amount of fields of given type in the given contact.
+ */
+TInt CurrentAmountOfFieldTypeInContact
+        ( CPbk2PresentationContact& aContact,
+          const MVPbkFieldType& aFieldType )
+    {
+    TInt res = 0;
+
+    // Count of contact fields
+    const TInt count = aContact.Fields().FieldCount();
+
+    const TInt maxMatchPriority = aContact.ContactStore().
+        StoreProperties().SupportedFields().MaxMatchPriority();
+
+    for ( TInt i = 0; i < count; ++i )
+        {
+        const MVPbkFieldType* type = NULL;
+        const MVPbkStoreContactField& field = aContact.Fields().FieldAt( i );
+
+        for ( TInt j = 0; j < maxMatchPriority && !type; ++j )
+            {
+            type = field.MatchFieldType( j );
+            }
+
+        if ( (aFieldType.IsSame( *type ) ) )
+            {
+            ++res;
+            }
+        }
+
+    return res;
+    }
+
+} /// namespace
+
+// --------------------------------------------------------------------------
+// Pbk2AssignValidateField::ValidateFieldTypeUsageInContactL
+// --------------------------------------------------------------------------
+//
+TInt Pbk2AssignValidateField::ValidateFieldTypeUsageInContactL
+        ( CPbk2PresentationContact& aContact,
+          const MVPbkFieldType& aFieldType, RFs& aFsSession,
+          TInt& aFieldIndex )
+    {
+    TInt ret = KErrNotFound;
+
+    const MVPbkStoreContactFieldCollection& fields = aContact.Fields();
+    const MVPbkStoreContactField* field = NULL;
+    const TInt fieldCount = fields.FieldCount();
+
+    for ( TInt i( 0 ); i < fieldCount; ++i)
+        {
+        field = &fields.FieldAt(i);
+        const MVPbkFieldType* fieldType = field->BestMatchingFieldType();
+
+        if ( fieldType && fieldType->IsSame( aFieldType ) )
+            {
+            // Field type was found from contact
+            ret = KErrNone;
+            aFieldIndex = aContact.PresentationFields().StoreIndexOfField( i );
+            break;
+            }
+        }
+
+    if ( ret == KErrNone )
+        {
+        // Field was found from contact but if it was a ringing tone or an
+        // image field do a file exist check. If the file those fields are
+        // referencing is not found from the file system, the field is
+        // hidden in Phonebook UI. It is not removed, but hidden because
+        // the file might reside on a removable media and come back later on.
+        //
+        // The logic here is to not to ask overwrite contact field
+        // confirmation from the user if the file does not currently exist.
+
+        TInt fieldTypeResId = aFieldType.FieldTypeResId();
+        if ( fieldTypeResId == R_VPBK_FIELD_TYPE_RINGTONE ||
+             fieldTypeResId == R_VPBK_FIELD_TYPE_CALLEROBJIMG )
+            {
+            const MVPbkContactFieldTextData& textData =
+                MVPbkContactFieldTextData::Cast( field->FieldData() );
+
+            if ( !FileExists( aFsSession, textData.Text() ) )
+                {
+                // The file the contact field indicates is not
+                // on the file system, return KErrPathNotFound to indicate
+                // that the contact haves this field but the file refenced
+                // is not found
+                ret = KErrPathNotFound;
+                // Do not change the aFieldIndex value here though.
+                }
+            }
+        }
+
+    if ( ret == KErrNone )
+        {
+        // Get maximum number of fields of given type in the contact
+        const TInt max = aContact.MaxNumberOfFieldL( aFieldType );
+
+        if ( max != KVPbkStoreContactUnlimitedNumber )
+            {
+            // Get current amount of fields of given type in the contact
+            TInt current = CurrentAmountOfFieldTypeInContact
+                ( aContact, aFieldType );
+
+            if ( current >= max )
+                {
+                // Return code depends on multiplicity
+                if ( max == KOne )
+                    {
+                    ret = KErrAlreadyExists;
+                    }
+                else
+                    {
+                    ret = KErrNotSupported;
+                    }
+                }
+            }
+        }
+
+    return ret;
+    }
+
+// End of File