EXPORT_C void CMsvEntryArray::SortL(TMsvSelectionOrdering aOrdering)
//
// sorts this array
//
{
// If we're going to reverse the array first sort by id so sorting twice will give the same result
switch(aOrdering.Sorting())
{
case EMsvSortByDateReverse:
case EMsvSortByIdReverse:
case EMsvSortBySizeReverse:
case EMsvSortByDescriptionReverse:
case EMsvSortByDetailsReverse:
{
TKeyArrayFixPtr key = MessageSortKey(EMsvSortById);
User::LeaveIfError(Sort(key));
break;
}
default: // Not required - break
break;
}
if (Count() && (aOrdering.Sorting()!=EMsvSortByNone || aOrdering.GroupingOn()))
GroupL(EGroupByStandardFolders, aOrdering, (aOrdering.Sorting()!=EMsvSortByNone));
}
void CMsvEntryArray::GroupL(TGroupCriterion aGroupCriterion,TMsvSelectionOrdering aOrdering,TBool aDoSort)
//
// This function works recursively, grouping and sorting the entry selection. The
// 'sort' happens at the same time as the 1st 'group', then separate grouped arrays
// are grouped indidvidually and then merged together at the end. The order in which
// the grouping occurs is determined by the CMsvEntryArray::TGroupCriterion enum
//
{
TMsvSorting sortType=aOrdering.Sorting();
TKeyArrayFixPtr key=MessageSortKey(sortType);
if (aGroupCriterion==EStopGrouping)
{ // if you haven't sorted yet
if (aDoSort)
{
// Subject based sorting requires a special algorithm. Only message entries are treated as other entries normally
// do not have a prefix like e.g. "re: " or "fwd: "
if(At(0)->iType == KUidMsvMessageEntry && (sortType == EMsvSortByDescription || sortType == EMsvSortByDescriptionReverse))
{
SubjectBasedSortL(sortType == EMsvSortByDescriptionReverse,aOrdering.SubjectSkipString());
}
else
{
CMsvEntryArray* temp=CMsvEntryArray::NewLC(iOrigMtmList);
TInt count=Count();
if (count)
temp->InsertL(0,&(*(this))[0],count);
Reset();
const TMsvEntry** entry = &temp->At(0);
while (count--)
InsertIsqAllowDuplicatesL(*entry++, key); // Sorted
ReverseOrder(sortType);
CleanupStack::PopAndDestroy(); // temp
}
if (At(0)->iType == KUidMsvMessageEntry && (sortType == EMsvSortByDetails || sortType == EMsvSortByDetailsReverse))
{
DetailBasedSortL(); // Sort blocks of messages with matching details into newest first
}
}
else
{
// The aDoSort flag is not set, but we still need to do a subject
// based sort if this array contains only message entries, and we are
// sorting by description. Alternatively, we need to do a date based sort
// if this array contains only message entries and we are sorting by detail.
// In order to ensure the array contains only message entries, we
// check that we have previously grouped the entries by type which would
// have put all the message entries together in their own array.
if (Count() > 0 && At(0)->iType == KUidMsvMessageEntry && OkToGroup(EGroupByType, aOrdering))
{
if (sortType == EMsvSortByDescription || sortType == EMsvSortByDescriptionReverse)
{
SubjectBasedSortL(sortType == EMsvSortByDescriptionReverse,aOrdering.SubjectSkipString());
}
else if (sortType == EMsvSortByDetails || sortType == EMsvSortByDetailsReverse)
{
DetailBasedSortL(); // Sort blocks of messages with matching details into newest first
}
}
}
return;
}
if (OkToGroup(aGroupCriterion, aOrdering))
{
//
// Copy contents into temp and then put new grouped contents into 'this'
TInt count=Count();
if (count==0)
return; // nothing to do here
const TInt numberOfArrays=NumberOfArraysToSplitIntoL(aGroupCriterion);
if (numberOfArrays<1) // cannot group on this so move on to next grouping
{
GroupL(TGroupCriterion(aGroupCriterion+1), aOrdering, aDoSort);
return;
}
CMsvEntryArray* temp;
if (iActualMtmList)
temp = CMsvEntryArray::NewLC(*iActualMtmList);
else
temp = CMsvEntryArray::NewLC(iOrigMtmList);
temp->InsertL(0,&(*(this))[0],count);
Reset();
//
// create the separate arrays for each group
CArrayFixFlat<CMsvEntryArray*>* arrays=new(ELeave) CArrayFixFlat<CMsvEntryArray*>(numberOfArrays);
CleanupStack::PushL(arrays);
for (TInt ii=0; ii<numberOfArrays; ii++)
{
if (iActualMtmList)
arrays->AppendL(CMsvEntryArray::NewLC(*iActualMtmList));
else
arrays->AppendL(CMsvEntryArray::NewLC(iOrigMtmList));
}
//
// split the selection into the correct group,
// sorting aswell if needed and not doing standard folders
const TMsvEntry** entry = &temp->At(0);
if (!aDoSort || aGroupCriterion==EGroupByStandardFolders)
{
while (count--)
{
arrays->At(ArrayId(*entry,aGroupCriterion))->AppendL(*entry);
entry++;
}
}
else if (aGroupCriterion==EGroupByType)
{
TKeyArrayFixPtr folderKey = TKeyArrayFixPtr(_FOFF(TMsvEntry,iDetails),ECmpCollated);
while (count--)
{
if ((*entry)->iType==KUidMsvFolderEntry)
arrays->At(ArrayId(*entry, aGroupCriterion))->InsertIsqAllowDuplicatesL(*entry, folderKey);
else
arrays->At(ArrayId(*entry, aGroupCriterion))->InsertIsqAllowDuplicatesL(*entry, key);
entry++;
}
for (TInt jj=0; jj<numberOfArrays; jj++)
{
if (arrays->At(jj)->Count() && arrays->At(jj)->At(0)->iType!=KUidMsvFolderEntry)
arrays->At(jj)->ReverseOrder(sortType);
}
aDoSort=EFalse;
}
else
{
while (count--)
{
arrays->At(ArrayId(*entry, aGroupCriterion))->InsertIsqAllowDuplicatesL(*entry, key); // Sorted
entry++;
}
for (TInt jj=0; jj<numberOfArrays; jj++)
arrays->At(jj)->ReverseOrder(sortType);
aDoSort=EFalse;
}
//
// group further - but check that standard entries and grouped folders are not grouped anymore
if (aGroupCriterion==EGroupByStandardFolders)
{
__ASSERT_DEBUG(numberOfArrays==2, PanicServer(EMsvToManyGroups));
arrays->At(0)->GroupL(TGroupCriterion(aGroupCriterion+1), aOrdering, aDoSort);
}
else if (aGroupCriterion==EGroupByType)
{
for (TInt jj=0; jj<numberOfArrays; jj++)
if (arrays->At(jj)->Count() && arrays->At(jj)->At(0)->iType!=KUidMsvFolderEntry)
arrays->At(jj)->GroupL(TGroupCriterion(aGroupCriterion+1), aOrdering, aDoSort);
}
else
{
for (TInt jj=0; jj<numberOfArrays; jj++)
arrays->At(jj)->GroupL(TGroupCriterion(aGroupCriterion+1), aOrdering, aDoSort);
}
//
// merge the separate arrays into 'this'
for (TInt kk=0; kk<numberOfArrays; kk++)
{
count=arrays->At(kk)->Count();
if (count)
InsertL(0,&(*(arrays->At(kk)))[0],count);
}
CleanupStack::PopAndDestroy(numberOfArrays+2); // arrays contents + temp + arrays
}
else // move on to the next grouping
GroupL(TGroupCriterion(aGroupCriterion+1), aOrdering, aDoSort);
}