/**
* 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)) {
if ($dataset === 'totalpos') {
if (isset($this->last_position_pos[$index])) {
list($lpos, $l_w) = $this->last_position_pos[$index];
list($hpos, $vpos) = Graph::TranslatePosition($lpos);
if ($hpos == 'or') {
return "middle outside right {$l_w} 0";
}
}
return 'outside right';
}
if ($dataset === 'totalneg') {
if (isset($this->last_position_neg[$index])) {
list($lpos, $l_w) = $this->last_position_neg[$index];
list($hpos, $vpos) = Graph::TranslatePosition($lpos);
if ($hpos == 'ol') {
return "middle outside left -{$l_w} 0";
}
}
return 'outside left';
}
}
if ($dataset === 'totalpos') {
return 'outside right';
}
if ($dataset === 'totalneg') {
return 'outside left';
}
$pos = parent::DataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, $label_w, $label_h);
if ($label_w > $w && Graph::IsPositionInside($pos)) {
$pos = str_replace(array('outside left', 'outside right'), 'centre', $pos);
}
if ($item->value > 0) {
$this->last_position_pos[$index] = array($pos, $label_w);
} else {
$this->last_position_neg[$index] = array($pos, $label_w);
}
return $pos;
}
/**
* Overridden to prevent drawing on other bars
*/
public function DataLabelPosition($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 $pos;
}
/**
* Returns the position for a data label
*/
public function DataLabelPosition($dataset, $index, &$item, $x, $y, $w, $h, $label_w, $label_h)
{
$pos = parent::DataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, $label_w, $label_h);
$bpos = $this->bar_label_position;
if (!empty($bpos)) {
$pos = $bpos;
}
if ($label_h > $h && Graph::IsPositionInside($pos)) {
$pos = str_replace(array('top', 'middle', 'bottom'), 'outside top inside ', $pos);
}
// flip top/bottom for negative values
if ($item->value < 0) {
if (strpos($pos, 'top') !== FALSE) {
$pos = str_replace('top', 'bottom', $pos);
} elseif (strpos($pos, 'above') !== FALSE) {
$pos = str_replace('above', 'below', $pos);
} elseif (strpos($pos, 'below') !== FALSE) {
$pos = str_replace('below', 'above', $pos);
} elseif (strpos($pos, 'bottom') !== FALSE) {
$pos = str_replace('bottom', 'top', $pos);
}
}
return $pos;
}
/**
* Returns the position for a data label
*/
public function DataLabelPosition($dataset, $index, &$item, $x, $y, $w, $h, $label_w, $label_h)
{
$pos = parent::DataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, $label_w, $label_h);
$bpos = $this->bar_label_position;
if (!empty($bpos)) {
$pos = $bpos;
}
if ($label_w > $w && Graph::IsPositionInside($pos)) {
$pos = str_replace(array('left', 'centre', 'right'), 'outside right inside', $pos);
}
// flip sides for negative values
if ($item->value < 0) {
if (strpos($pos, 'right') !== FALSE) {
$pos = str_replace('right', 'left', $pos);
} elseif (strpos($pos, 'left') !== FALSE) {
$pos = str_replace('left', 'right', $pos);
}
}
return $pos;
}
