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<?php |
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namespace Carbon_Fields\Field; |
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use Carbon_Fields\Value_Set\Value_Set; |
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/** |
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* Google Maps with Address field class. |
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* Allows to manually select a pin, or to position a pin based on a specified address. |
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* Coords (lat, lng), address and zoom are saved in the database. |
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*/ |
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class Map_Field extends Field { |
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/** |
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* {@inheritDoc} |
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*/ |
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protected $default_value = array( |
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Value_Set::VALUE_PROPERTY => '40.346544,-101.645507', |
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'lat' => 40.346544, |
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'lng' => -101.645507, |
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'zoom' => 10, |
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'address' => '', |
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); |
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/** |
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* Create a field from a certain type with the specified label. |
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* |
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* @param string $type Field type |
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* @param string $name Field name |
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* @param string $label Field label |
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*/ |
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public function __construct( $type, $name, $label ) { |
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$this->set_value_set( new Value_Set( Value_Set::TYPE_MULTIPLE_PROPERTIES, array( 'lat' => '', 'lng' => '', 'zoom' => '', 'address' => '' ) ) ); |
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parent::__construct( $type, $name, $label ); |
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} |
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/** |
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* Enqueue scripts and styles in admin |
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* Called once per field type |
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*/ |
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public static function admin_enqueue_scripts() { |
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$api_key = apply_filters( 'carbon_fields_map_field_api_key', false ); |
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$url = apply_filters( 'carbon_fields_map_field_api_url', '//maps.googleapis.com/maps/api/js?' . ( $api_key ? 'key=' . $api_key : '' ), $api_key ); |
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wp_enqueue_script( 'carbon-google-maps', $url, array(), null ); |
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} |
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/** |
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* Convert lat and lng to a comma-separated list |
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*/ |
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protected function lat_lng_to_latlng( $lat, $lng ) { |
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return ( ! empty( $lat ) && ! empty( $lng ) ) ? $lat . ',' . $lng : ''; |
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} |
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/** |
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* Load the field value from an input array based on its name |
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* |
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* @param array $input Array of field names and values. |
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* @return self $this |
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*/ |
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public function set_value_from_input( $input ) { |
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if ( ! isset( $input[ $this->get_name() ] ) ) { |
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$this->set_value( null ); |
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return $this; |
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} |
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$value_set = array( |
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'lat' => '', |
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'lng' => '', |
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'zoom' => '', |
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'address' => '', |
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); |
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foreach ( $value_set as $key => $v ) { |
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if ( isset( $input[ $this->get_name() ][ $key ] ) ) { |
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$value_set[ $key ] = $input[ $this->get_name() ][ $key ]; |
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} |
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} |
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$value_set['lat'] = (float) $value_set['lat']; |
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$value_set['lng'] = (float) $value_set['lng']; |
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$value_set['zoom'] = (int) $value_set['zoom']; |
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$value_set[ Value_Set::VALUE_PROPERTY ] = $this->lat_lng_to_latlng( $value_set['lat'], $value_set['lng'] ); |
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$this->set_value( $value_set ); |
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return $this; |
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} |
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/** |
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* Returns an array that holds the field data, suitable for JSON representation. |
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* |
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* @param bool $load Should the value be loaded from the database or use the value from the current instance. |
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* @return array |
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*/ |
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public function to_json( $load ) { |
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$field_data = parent::to_json( $load ); |
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$value_set = $this->get_value(); |
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$field_data = array_merge( $field_data, array( |
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'value' => array( |
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'lat' => floatval( $value_set['lat'] ), |
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'lng' => floatval( $value_set['lng'] ), |
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'zoom' => intval( $value_set['zoom'] ), |
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'address' => $value_set['address'], |
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'value' => $value_set[ Value_Set::VALUE_PROPERTY ], |
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), |
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) ); |
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return $field_data; |
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} |
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/** |
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* Set the coords and zoom of this field. |
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* |
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* @param string $lat Latitude |
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* @param string $lng Longitude |
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* @param int $zoom Zoom level |
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* @return $this |
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*/ |
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public function set_position( $lat, $lng, $zoom ) { |
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return $this->set_default_value( array_merge( |
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$this->get_default_value(), |
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array( |
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Value_Set::VALUE_PROPERTY => $this->lat_lng_to_latlng( $lat, $lng ), |
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'lat' => $lat, |
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'lng' => $lng, |
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'zoom' => $zoom, |
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) |
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) ); |
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} |
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} |
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htmlburger /
carbon-fields
