/**
* Utility function to create an array of position styles and convert to a string.
* @param IdmlElement $element
* @param float $left
* @param float $top
* @param string $vertRefPoint - used only for embedded elements
* @return string representation of styles
*/
public function getStyleString(IdmlElement $element, $left, $top, $vertRefPoint)
{
// Create and populate the array with position, left, and top
$styles = array('position' => 'absolute');
// Assign final left and top offset values
if (!is_null($left)) {
$styles['left'] = $left . 'px';
}
// Don't supply a top value for an embedded element if the VerticalReferencePoint is unsupported.
if (!$element->isEmbedded() || !is_null($top) && !in_array($vertRefPoint, array('LineBaseline', 'Capheight', 'TopOfLeading'))) {
$styles['top'] = $top . 'px';
}
// Now convert the array to a string and return it.
$styleString = "";
foreach ($styles as $name => $value) {
if (strlen($value) > 0) {
$styleString .= sprintf("%s:%s;", $name, $value);
}
}
return trim($styleString);
}
