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<?php |
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/** |
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* The wl_timeline shortcode displays an interactive timeline of events bound to the current post. |
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* |
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* @since 3.1.0 |
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*/ |
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class Wordlift_Timeline_Shortcode extends Wordlift_Shortcode { |
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const SHORTCODE = 'wl_timeline'; |
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/** |
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* The list of locales supported by TimelineJS (correspond to the list of |
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* files in the locale subfolder). |
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* |
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* @since 3.7.0 |
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* @var array An array of two-letters language codes. |
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*/ |
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private static $supported_locales = array( |
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'ur', |
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'uk', |
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'tr', |
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'tl', |
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'th', |
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'te', |
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'ta', |
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'sv', |
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'sr', |
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'sl', |
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'sk', |
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'si', |
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'ru', |
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'ro', |
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'rm', |
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'pt', |
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'pl', |
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'no', |
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'nl', |
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'ne', |
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'ms', |
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'lv', |
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'lt', |
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'lb', |
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'ko', |
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'ka', |
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'ja', |
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'iw', |
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'it', |
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'is', |
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'id', |
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'hy', |
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'hu', |
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'hr', |
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'hi', |
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'he', |
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'gl', |
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'ga', |
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'fy', |
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'fr', |
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'fo', |
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'fi', |
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'fa', |
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'eu', |
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'et', |
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'es', |
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'eo', |
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'en', |
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'el', |
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'de', |
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'da', |
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'cz', |
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'ca', |
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'bg', |
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'be', |
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'ar', |
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'af' |
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); |
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/** |
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* The Log service. |
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* |
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* @since 3.1.0 |
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* @access private |
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* @var \Wordlift_Log_Service $log_service The Log service. |
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*/ |
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private $log_service; |
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/** |
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* Create a Wordlift_Timeline_Shortcode instance. |
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* |
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* @since 3.1.0 |
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*/ |
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public function __construct() { |
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parent::__construct(); |
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$this->log_service = Wordlift_Log_Service::get_logger( 'Wordlift_Timeline_Shortcode' ); |
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} |
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public function get_timelinejs_default_options() { |
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return array( |
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'debug' => defined( 'WP_DEBUG' ) && WP_DEBUG, |
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'height' => NULL, |
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'width' => NULL, |
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'is_embed' => FALSE, |
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'hash_bookmark' => FALSE, |
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'default_bg_color' => 'white', |
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'scale_factor' => 2, |
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'initial_zoom' => NULL, |
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'zoom_sequence' => '[0.5, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]', |
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'timenav_position' => 'bottom', |
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'optimal_tick_width' => 100, |
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'base_class' => 'tl-timeline', |
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'timenav_height' => 150, |
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'timenav_height_percentage' => NULL, |
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'timenav_mobile_height_percentage' => 40, |
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'timenav_height_min' => 150, |
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'marker_height_min' => 30, |
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'marker_width_min' => 100, |
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'marker_padding' => 5, |
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'start_at_slide' => 0, |
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'start_at_end' => FALSE, |
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'menubar_height' => 0, |
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'use_bc' => FALSE, |
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'duration' => 1000, |
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'ease' => 'TL.Ease.easeInOutQuint', |
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'slide_default_fade' => '0%', |
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'language' => $this->get_locale(), |
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'ga_property_id' => NULL, |
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'track_events' => "['back_to_start','nav_next','nav_previous','zoom_in','zoom_out']" |
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); |
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} |
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/** |
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* Renders the Timeline. |
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* |
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* @since 3.1.0 |
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* |
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* @param array $atts An array of shortcode attributes. |
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* |
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* @return string The rendered HTML. |
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*/ |
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public function render( $atts ) { |
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//extract attributes and set default values |
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$settings = shortcode_atts( array_merge($this->get_timelinejs_default_options(), array( |
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'global' => FALSE, |
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'display_images_as' => 'media', |
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'excerpt_length' => 55 |
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)), $atts ); |
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// Load the TimelineJS stylesheets and scripts. |
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wp_enqueue_style( 'timelinejs', dirname( plugin_dir_url( __FILE__ ) ) . '/timelinejs/css/timeline.css' ); |
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wp_enqueue_script( 'timelinejs', dirname( plugin_dir_url( __FILE__ ) ) . '/timelinejs/js/timeline' . ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ? '-min' : '' ) . '.js' ); |
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// Enqueue the scripts for the timeline. |
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$this->enqueue_scripts(); |
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// Provide the script with options. |
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wp_localize_script( 'timelinejs', 'wl_timeline_params', array( |
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'ajax_url' => admin_url( 'admin-ajax.php' ), |
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// TODO: this parameter is already provided by WP |
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'action' => 'wl_timeline', |
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// These settings apply to our wl_timeline AJAX endpoint. |
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'display_images_as' => $settings['display_images_as'], |
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'excerpt_length' => $settings['excerpt_length'], |
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// These settings apply to the timeline javascript client. |
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'settings' => array_filter( $settings, function ( $value ) { |
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// Do not set NULL values. |
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return ( NULL !== $value ); |
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} ) |
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) ); |
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// Get the current post id or set null if global is set to true. |
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$post_id = ( $settings['global'] ? NULL : get_the_ID() ); |
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// Escaping atts. |
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$style = sprintf( 'style="%s%s"', isset( $settings['width'] ) ? "width:{$settings['width']};" : '', isset( $settings['height'] ) ? "height:{$settings['height']};" : '' ); |
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$data_post_id = ( isset( $post_id ) ? "data-post-id='$post_id'" : '' ); |
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// Generate a unique ID for this timeline. |
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$element_id = uniqid( 'wl-timeline-' ); |
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if ( WP_DEBUG ) { |
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$this->log_service->trace( "Creating a timeline widget [ element id :: $element_id ][ post id :: $post_id ]" ); |
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} |
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// Building template. |
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return sprintf( '<div class="wl-timeline-container" %s><div class="wl-timeline" id="%s" %s></div></div>', $style, $element_id, $data_post_id ); |
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} |
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/** |
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* Return the locale for the TimelineJS according to WP's configured locale and |
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* support TimelineJS locales. If WP's locale is not supported, english is used. |
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* |
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* @since 3.7.0 |
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* @return string The locale (2 letters code). |
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*/ |
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private function get_locale() { |
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// Get the first 2 letters. |
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$locale = substr( get_locale(), 0, 2 ); |
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// Check that the specified locale is supported otherwise use English. |
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return in_array( $locale, self::$supported_locales ) ? $locale : 'en'; |
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} |
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} |
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/** |
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* register_block_type for Gutenberg blocks |
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*/ |
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add_action( 'init', function() { |
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// Bail out if the `register_block_type` function isn't available. |
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if ( ! function_exists( 'register_block_type' ) ) { |
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return; |
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} |
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$wordlift_timeline_shortcode = new Wordlift_Timeline_Shortcode(); |
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register_block_type('wordlift/timeline', array( |
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'editor_script' => 'wordlift-admin-edit-gutenberg', |
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'render_callback' => function($attributes){ |
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$attr_code = ''; |
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$timelinejs_options = json_decode($attributes['timelinejs_options'], true); |
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unset($attributes['timelinejs_options']); |
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$attributes_all = array_merge($attributes, $timelinejs_options); |
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foreach ($attributes_all as $key => $value) { |
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if($value && strpos($value, '[') === false && strpos($value, ']') === false) { |
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$attr_code .= $key.'="'.$value.'" '; |
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} |
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} |
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return '[wl_timeline '.$attr_code.']'; |
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}, |
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'attributes' => array( |
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'display_images_as' => array( |
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'type' => 'string', |
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'default' => 'media' |
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), |
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'excerpt_length' => array( |
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'type' => 'number', |
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'default' => 55 |
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), |
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'global' => array( |
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'type' => 'bool', |
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'default' => false |
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), |
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'timelinejs_options' => array( |
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'type' => 'string', // https://timeline.knightlab.com/docs/options.html |
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'default' => json_encode($wordlift_timeline_shortcode->get_timelinejs_default_options(), JSON_PRETTY_PRINT) |
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) |
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) |
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)); |
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} ); |
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insideout10 /
wordlift-plugin
