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<?php |
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/** |
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* The `wl_navigator` implementation. |
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* |
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* @since 3.5.4 |
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*/ |
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class Wordlift_Navigator_Shortcode extends Wordlift_Shortcode { |
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/** |
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* {@inheritdoc} |
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*/ |
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const SHORTCODE = 'wl_navigator'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render( $atts ) { |
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// Extract attributes and set default values. |
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$shortcode_atts = shortcode_atts( array( |
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'title' => __( 'Related articles', 'wordlift' ), |
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'with_carousel' => TRUE, |
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'squared_thumbs' => FALSE |
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), $atts ); |
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foreach ( |
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array( |
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'with_carousel', |
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'squared_thumbs' |
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) as $att |
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) { |
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// See http://wordpress.stackexchange.com/questions/119294/pass-boolean-value-in-shortcode |
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$shortcode_atts[ $att ] = filter_var( |
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$shortcode_atts[ $att ], FILTER_VALIDATE_BOOLEAN |
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); |
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} |
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// avoid building the widget when there is a list of posts. |
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if ( ! is_single() ) { |
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return ''; |
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} |
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$current_post = get_post(); |
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// Enqueue common shortcode scripts. |
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$this->enqueue_scripts(); |
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wp_enqueue_style( 'wordlift-ui', dirname( plugin_dir_url( __FILE__ ) ) . '/css/wordlift-ui.min.css' ); |
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$navigator_id = uniqid( 'wl-navigator-widget-' ); |
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wp_localize_script( 'wordlift-ui', 'wl_navigator_params', array( |
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'ajax_url' => admin_url( 'admin-ajax.php' ), |
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'action' => 'wl_navigator', |
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'post_id' => $current_post->ID, |
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'attrs' => $shortcode_atts |
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) |
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); |
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return "<div id='$navigator_id' class='wl-navigator-widget'></div>"; |
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} |
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} |
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