/**
* Overridden to prevent drawing on other bars
*/
public function DataLabelPosition($dataset, $index, &$item, $x, $y, $w, $h, $label_w, $label_h)
{
if (!is_numeric($dataset)) {
// doing this supports stacked grouped bar graph totals too
list($d) = explode('-', $dataset);
if ($d === 'totalpos') {
if (isset($this->last_position_pos[$index])) {
list($lpos, $l_h) = $this->last_position_pos[$index];
list($hpos, $vpos) = Graph::TranslatePosition($lpos);
if ($vpos == 'ot') {
return "above 0 -{$l_h}";
}
}
return 'above';
}
if ($d === 'totalneg') {
if (isset($this->last_position_neg[$index])) {
list($lpos, $l_h) = $this->last_position_neg[$index];
list($hpos, $vpos) = Graph::TranslatePosition($lpos);
if ($vpos == 'ob') {
return "below 0 {$l_h}";
}
}
return 'below';
}
}
$pos = parent::DataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, $label_w, $label_h);
if ($label_h > $h && Graph::IsPositionInside($pos)) {
$pos = str_replace(array('top', 'bottom', 'above', 'below'), 'middle', $pos);
}
if ($item->value > 0) {
$this->last_position_pos[$index] = array($pos, $label_h);
} else {
$this->last_position_neg[$index] = array($pos, $label_h);
}
return $pos;
}
