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<?php |
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/** |
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* Abstract Shortcode |
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* |
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* PHP Version 5.5 |
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* |
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* @category Shortcode |
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* @author Benjamin J DeLong <ben@bozdoz.com> |
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*/ |
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|
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/** |
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* Abstract Shortcode Class |
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* |
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* Use with add_shortcode('leaflet-map', array ('Leaflet_Shortcode', 'shortcode')) |
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* extend and manipulate __construct |
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*/ |
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abstract class Leaflet_Shortcode |
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{ |
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protected $LM; |
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|
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/** |
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* Generate HTML from the shortcode |
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* Maybe won't always be required |
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* |
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* @param array $atts string |
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* @param string $content Optional |
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* |
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* @since 2.8.2 |
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* |
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* @return string (typically, return a script tag with Leaflet logic) |
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*/ |
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abstract protected function getHTML($atts='', $content=null); |
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|
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public static function getClass() |
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{ |
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return function_exists('get_called_class') ? get_called_class() : __CLASS__; |
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} |
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|
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/** |
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* Instantiate class and get HTML for shortcode |
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* |
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* @param array $atts string|array |
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* @param string $content Optional |
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* |
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* @return string (see above) |
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*/ |
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public static function shortcode($atts = '', $content = null) |
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{ |
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$class = self::getClass(); |
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$instance = new $class(); |
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|
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// swap sequential array with associative array |
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// this enables assumed-boolean attributes, |
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// like: [leaflet-marker draggable svg] |
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// meaning draggable=1 svg=1 |
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// and: [leaflet-marker !doubleClickZoom !boxZoom] |
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// meaning doubleClickZoom=0 boxZoom=0 |
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if (!empty($atts)) { |
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foreach($atts as $k => $v) { |
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if ( |
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is_numeric($k) && |
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!key_exists($v, $atts) && |
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!!$v |
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) { |
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// false if starts with !, else true |
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if ($v[0] === '!') { |
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$k = substr($v, 1); |
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$v = 0; |
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} else { |
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$k = $v; |
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$v = 1; |
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} |
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$atts[$k] = $v; |
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} |
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// change hyphens to underscores for `extract()` |
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if (strpos($k, '-')) { |
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$k = str_replace('-', '_', $k); |
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$atts[$k] = $v; |
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} |
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} |
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} |
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|
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return $instance->getHTML($atts, $content); |
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} |
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|
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/** |
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* Create an LM variable for each shortcode class |
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* instance |
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*/ |
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protected function __construct() |
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{ |
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$this->LM = Leaflet_Map::init(); |
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} |
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} |
