/**
* Filter the DPS shortcode output's opening outer wrapper element.
*
* @since 0.1.1
* @access public
* @uses WP_Bootstrap_Carousel::enqueue()
* @uses WP_Bootstrap_Carousel_DPS::$found_posts
* @uses WP_Bootstrap_Carousel_DPS::is_bootstrap()
* @uses wp_bc_bool()
* @param string $output HTML markup for the opening outer wrapper element.
* @param array $original_atts Original attributes passed to the shortcode.
* @return string Modified HTML markup for the opening outer wrapper element.
*/
public function display_posts_shortcode_wrapper_open($output, $original_atts)
{
// check bootstrap attribute
if (!$this->is_bootstrap($original_atts)) {
return $output;
}
// static iterator
static $it = 1;
$it++;
// handle feed
if (is_feed()) {
/**
* Determine what is displayed in RSS feeds
*
* @param string $html The default HTML
*/
return apply_filters('wp_bootstrap_carousel_dps_feed', '<p><a href="' . apply_filters('the_permalink', get_permalink($GLOBALS['post']->ID)) . '#wp-bootstrap-carousel-dps-' . $it . '">' . __('Click here to view the embedded slideshow.', 'wp_bootstrap_carousel') . '</a></p>');
}
// sanitize variables
$max_width = isset($original_atts['width']) ? intval(str_replace(array('%', 'px'), '', trim($original_atts['width']))) : false;
$max_width = !empty($max_width) ? "max-width:{$max_width}px;" : '';
$controls = isset($original_atts['controls']) ? wp_bc_bool($original_atts['controls']) : 1;
$slide = isset($original_atts['slide']) ? wp_bc_bool($original_atts['slide']) : 1;
$interval = isset($original_atts['interval']) ? intval($original_atts['interval']) : 5000;
$pause = isset($original_atts['pause']) ? sanitize_text_field($original_atts['pause']) : 'hover';
$wrap = isset($original_atts['wrap']) ? wp_bc_bool($original_atts['wrap']) : 1;
$keyboard = isset($original_atts['keyboard']) ? wp_bc_bool($original_atts['keyboard']) : 1;
$thickbox = isset($original_atts['thickbox']) ? wp_bc_bool($original_atts['thickbox']) : 0;
$title = isset($original_atts['title']) ? sanitize_text_field($original_atts['title']) : 0;
// enqueue scripts
WP_Bootstrap_Carousel::enqueue($thickbox);
// start building output
$output = '';
// carousel title
if ($title) {
/**
* Filter the title tag element.
*
* @since 0.4.0
* @param string $tag Type of element to use for the output title tag. Default 'h2'.
* @param array $original_atts Original attributes passed to the DPS shortcode.
*/
$title_tag = apply_filters('wp_bootstrap_carousel_dps_title', 'h2', $original_atts);
$output .= '<' . $title_tag . ' class="display-posts-title wpbc-dps-title">' . $title . '</' . $title_tag . '>' . "\n";
}
// open carousel outer div
$output .= '<div style="width:100%;' . $max_width . '" id="wp-bootstrap-carousel-dps-' . $it . '" class="carousel carousel-dps' . ($slide ? " slide" : "") . '" data-interval="' . $interval . '" data-pause="' . $pause . '" data-wrap="' . $wrap . '" data-keyboard="' . $keyboard . '">';
// carousel indicators
if ($controls) {
$output .= '<ol class="carousel-indicators">';
for ($i = 0; $i < self::$found_posts; $i++) {
$output .= '<li data-target="#wp-bootstrap-carousel-dps-' . $it . '" data-slide-to="' . $i . '" class="' . ($i == 0 ? "active" : "") . '"></li>';
}
$output .= '</ol>';
}
// open carousel inner div
$output .= '<div class="carousel-inner carousel-inner-dps" role="listbox">';
// return output
return $output;
}
/**
* Main WP_Bootstrap_Carousel instance
*
* Ensures only one instance of WP Bootstrap Carousel is loaded or can be loaded.
*
* @since 0.5.0
* @static
* @return WP_Bootstrap_Carousel, main instance
*/
public static function instance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
