bool c4_RemapWithViewer::GetItem(int row_, int col_, c4_Bytes &buf_) {
const c4_Property &map = _argView.NthProperty(0);
d4_assert(map.Type() == 'I');
row_ = ((const c4_IntProp &)map)(_argView[row_]);
return _parent.GetItem(row_, col_, buf_);
}
bool c4_GroupByViewer::GetItem(int row_, int col_, c4_Bytes& buf_)
{
if (col_ < _keys.NumProperties())
return _sorted.GetItem(_map.GetAt(row_), col_, buf_);
d4_assert(col_ == _keys.NumProperties());
t4_i32 count;
switch (_result.Type())
{
case 'I': count = _map.GetAt(row_ + 1) - _map.GetAt(row_);
buf_ = c4_Bytes (&count, sizeof count, true);
break;
case 'V': _temp = _sorted.Slice(_map.GetAt(row_), _map.GetAt(row_ + 1))
.ProjectWithout(_keys);
buf_ = c4_Bytes (&_temp, sizeof _temp, true);
break;
default: d4_assert(0);
}
return true;
}
bool c4_RenameViewer::GetItem(int row_, int col_, c4_Bytes& buf_)
{
return _parent.GetItem(row_, col_, buf_);
}
bool c4_SliceViewer::GetItem(int row_, int col_, c4_Bytes& buf_)
{
row_ = _first + _step * (_step > 0 ? row_ : row_ - GetSize() + 1);
return _parent.GetItem(row_, col_, buf_);
}
