/**
* Adds a new CSS style to this rule.
*
* @param css_style|string $style Adds a new style to this rule
*/
public function add_style($style)
{
if (is_string($style)) {
$style = trim($style);
if (empty($style)) {
return;
}
$bits = explode(':', $style, 2);
if (count($bits) == 2) {
list($name, $value) = array_map('trim', $bits);
}
if (isset($name) && isset($value) && $name !== '' && $value !== '') {
$style = css_style::init($name, $value);
}
} else {
if ($style instanceof css_style) {
// Clone the style as it may be coming from another rule and we don't
// want references as it will likely be overwritten by proceeding
// rules
$style = clone $style;
}
}
if ($style instanceof css_style) {
$name = $style->get_name();
if (array_key_exists($name, $this->styles)) {
$this->styles[$name]->set_value($style->get_value());
} else {
$this->styles[$name] = $style;
}
} else {
if (is_array($style)) {
// We probably shouldn't worry about processing styles here but to
// be truthful it doesn't hurt.
foreach ($style as $astyle) {
$this->add_style($astyle);
}
}
}
}
