/**
* Shortcode callback function.
*
* @return string
*/
protected function do_shortcode()
{
extract($this->extract());
$content = preg_replace('#^<\\/p>|<p>$#', '', $content);
// Compose final HTML id attribute
$final_id = strlen($id) ? $id : 'g1-dropcap-' . $this->get_counter();
// Compose final HTML class attribute
$final_class = array('g1-dropcap', 'g1-dropcap--' . $style);
$final_class = array_merge($final_class, explode(' ', $class));
// Compose CSS
$css = '';
if (strlen($text_color)) {
$color = new G1_Color($text_color);
$css .= '#' . esc_attr($final_id) . '.g1-dropcap--simple,' . "\n" . '#' . esc_attr($final_id) . '.g1-dropcap--solid {' . "\n" . 'color: #' . $color->get_hex() . ';' . "\n" . '}' . "\n";
}
if (strlen($bg_color)) {
$color = new G1_Color($bg_color);
$hex = $color->get_hex();
list($from, $to) = G1_Color_Generator::get_warm_gradient($color);
$from_hex = $from->get_hex();
$to_hex = $to->get_hex();
$css .= '#' . esc_attr($final_id) . '.g1-dropcap--solid {' . "\n" . 'background-color: #' . $hex . ';' . "\n" . '}' . "\n";
}
//$css = str_replace(array("\n", "\r"), '', $css);
// Compose output
$out = '';
$out .= strlen($css) ? "\n" . '<style type="text/css">' . $css . '</style>' . "\n" : '';
$out .= '<span id="' . esc_attr($final_id) . '" ';
$out .= 'class="' . sanitize_html_classes($final_class) . '" ';
$out .= '><span>';
$out .= $content;
$out .= '</span></span>';
return $out;
}
