void NassiBricksCompositeIterator::Next()
{
if ( current )
{
if ( itr ) // iterator for childs is created
{
itr->Next();
if ( itr->IsDone() ) // reached last in chain
{
delete itr;
itr = nullptr;
if ( SetItrNextChild() ) //try next in chain
{
current = itr->CurrentItem();
}
else // no more chains found
{
SetNext();
child = 0;
return;
}
}
else // child iterator has a valid item:
current = itr->CurrentItem();
}
else // itr == 0
{
if ( current->GetChildCount() > 0 ) // current->nChilds > 0 )
{
currentParent = current;
if ( SetItrNextChild() ) //try next in chain
{
current = itr->CurrentItem();
}
else // no more chains found
{
SetNext();
child = 0;
return;
}
}
else
{
SetNext();
child = 0;
return;
}
}
}
}
void NassiBricksCompositeIterator::Next()
{
if ( current )
{
if ( itr ) // iterator for childs is created
{
itr->Next();
if ( itr->IsDone() ) // letztes in kette erreicht
{
delete itr;
itr = (NassiBricksCompositeIterator *)NULL;
if ( SetItrNextChild() ) //nächste kette versuchen
{
current = itr->CurrentItem();
}
else // keine kette mehr gefunden
{
SetNext();
child = 0;
return;
}
}
else // child iterator has a valid item:
current = itr->CurrentItem();
}
else // itr == 0
{
if ( current->GetChildCount() > 0 ) // current->nChilds > 0 )
{
currentParent = current;
if ( SetItrNextChild() ) //nächste kette versuchen
{
current = itr->CurrentItem();
}
else // keine kette mehr gefunden
{
SetNext();
child = 0;
return;
}
}
else
{
SetNext();
child = 0;
return;
}
}
}
}
bool NassiBricksCompositeIterator::SetItrNextChild()
{
if ( child < currentParent->GetChildCount() ) //currentParent->nChilds )//not yet iterated throug all childs
{
itr = new NassiBricksCompositeIterator(currentParent->GetChild(child)); //(currentParent->childBlocks.Item(child) );// [child]);
child++;
if ( !itr->IsDone() )
{
current = itr->CurrentItem();
return(true);
}
else//neuer itr nicht gültig
{
delete itr;
itr = nullptr;
return( SetItrNextChild() );
}
}
else
return false;
}