/**
* Calculates and returns the height of rows, added by the page break callback.
* @return int
*/
private function _getPageBreakCallbackHeight()
{
if ($this->pageBreakCallbackHeight !== null) {
return $this->pageBreakCallbackHeight;
}
$table = $this->getTable();
if (!($callback = $table->getPageBreakCallback())) {
return $this->pageBreakCallbackHeight = 0;
}
$table->setRows(array());
$callback($table);
$numberOfNewRows = count($table->getRows());
$this->pageBreakCallbackHeight = 0;
if ($numberOfNewRows > 0) {
$converter = new self($table, $this->cacheDir);
$converter->compile();
// merge row heights
foreach ($converter->_getRowHeights() as $height) {
$this->pageBreakCallbackHeight += $height;
}
}
return $this->pageBreakCallbackHeight;
}
