/**
* Creates the markup for an attribute
*
* @param string $attribute_name
* @param string $attribute_value
* @return string
*/
protected function create_attribute_markup($attribute_name, $attribute_value)
{
if (empty($attribute_value)) {
return '';
}
$attribute_value = $this->template_adapter->escape_attribute($attribute_value);
return "{$attribute_name}='{$attribute_value}'";
}
/**
* Renders the markup for the attributes of the tag
*
* @return string
*/
protected function render_attributes_markup()
{
$html = array();
foreach ($this->attributes as $name => $values) {
$values = $this->template_adapter->escape_attribute(implode(' ', $values));
$html[] = "{$name}='{$values}'";
}
return implode(' ', $html);
}
/**
* Create the link that will be added to the frontend
*/
public function add_link_to_html_for_frontend()
{
$preview = '';
if (true === $this->preview_mode) {
// bypass browser caching of the css
$now = strtotime('now');
$preview = "&preview=1&nocache={$now}&ai1ec_stylesheet=" . $_GET['ai1ec_stylesheet'];
}
$url = $this->get_css_url() . $preview;
$this->template_adapter->enqueue_script('ai1ec_style', $url);
}