SCH_ITEM* SCH_SHEET_PATH::FindPreviousItem( KICAD_T aType, SCH_ITEM* aLastItem, bool aWrap ) const
{
bool hasWrapped = false;
bool firstItemFound = false;
SCH_ITEM* drawItem = FirstDrawList();
while( drawItem )
{
if( drawItem->Type() == aType )
{
if( aLastItem == NULL || firstItemFound )
{
return drawItem;
}
else if( !firstItemFound && drawItem == aLastItem )
{
firstItemFound = true;
}
}
drawItem = drawItem->Back();
if( drawItem == NULL && aLastItem && aWrap && !hasWrapped )
{
hasWrapped = true;
drawItem = FirstDrawList();
}
}
return NULL;
}
SCH_ITEM* SCH_SHEET_LIST::FindPreviousItem( KICAD_T aType, SCH_SHEET_PATH** aSheetFoundIn,
SCH_ITEM* aLastItem, bool aWrap )
{
bool hasWrapped = false;
bool firstItemFound = false;
SCH_ITEM* drawItem = NULL;
SCH_SHEET_PATH* sheet = GetLast();
while( sheet )
{
drawItem = sheet->FirstDrawList();
while( drawItem )
{
if( drawItem->Type() == aType )
{
if( aLastItem == NULL || firstItemFound )
{
if( aSheetFoundIn )
*aSheetFoundIn = sheet;
return drawItem;
}
else if( !firstItemFound && drawItem == aLastItem )
{
firstItemFound = true;
}
}
drawItem = drawItem->Back();
}
sheet = GetPrevious();
if( sheet == NULL && aLastItem && aWrap && !hasWrapped )
{
hasWrapped = true;
sheet = GetLast();
}
}
return NULL;
}