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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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* Whether to lazy load this field. |
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* |
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* @var bool |
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*/ |
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protected $lazyload = true; |
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/** |
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* Default latitude. |
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* |
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* @var float |
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*/ |
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protected $default_lat = 40.346544; |
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/** |
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* Default longitude. |
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* |
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* @var float |
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*/ |
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protected $default_lng = -101.645507; |
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/** |
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* Default zoom. |
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* |
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* @var int |
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*/ |
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protected $default_zoom = 10; |
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/** |
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* Create a field from a certain type with the specified label. |
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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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protected function __construct( $name, $label ) { |
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$this->value = new Value_Set( Value_Set::TYPE_MULTIPLE_PROPERTIES, array( 'lat' => '', 'lng' => '', 'zoom' => '', 'address' => '' ) ); |
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parent::__construct( $name, $label ); |
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} |
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/** |
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* Enqueue scripts in the administration |
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*/ |
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public static function admin_enqueue_scripts() { |
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$api_key = apply_filters( 'carbon_map_api_key', false ); |
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$url = apply_filters( 'carbon_map_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 it's name |
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* |
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* @param array $input (optional) Array of field names and values. Defaults to $_POST |
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**/ |
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public function set_value_from_input( $input = null ) { |
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if ( is_null( $input ) ) { |
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$input = $_POST; |
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} |
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if ( ! isset( $input[ $this->get_name() ] ) ) { |
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$this->set_value( null ); |
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return; |
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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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} |
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/** |
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* Returns an array that holds the field data, suitable for JSON representation. |
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* This data will be available in the Underscore template and the Backbone Model. |
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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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if ( $value_set === null ) { |
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$value_set = array( |
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'lat' => floatval( $this->default_lat ), |
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'lng' => floatval( $this->default_lng ), |
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'zoom' => intval( $this->default_zoom ), |
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'address' => '', |
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); |
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$value_set[ Value_Set::VALUE_PROPERTY ] = $this->lat_lng_to_latlng( $value_set['lat'], $value_set['lng'] ); |
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} |
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$field_data = array_merge( $field_data, array( |
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'value' => $value_set['value'], |
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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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) ); |
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return $field_data; |
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} |
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/** |
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* Underscore template of this field. |
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*/ |
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public function template() { |
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?> |
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<div class="carbon-map-search"> |
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<p><?php _e( 'Locate Address on the map', \Carbon_Fields\TEXT_DOMAIN ); ?>: </p> |
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<div class="carbon-map-search-row"> |
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<input type="text" name="{{{ name }}}[address]" value="{{{ address }}}" class="regular-text address carbon-map-search-address" placeholder="Search..." /> |
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<span class="carbon-map-search-button dashicons-before dashicons-search"> |
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<?php _e( 'Find', \Carbon_Fields\TEXT_DOMAIN ); ?> |
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</span> |
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</div> |
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<input type="hidden" name="{{{ name }}}[lat]" value="{{{ lat }}}" /> |
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<input type="hidden" name="{{{ name }}}[lng]" value="{{{ lng }}}" /> |
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<input type="hidden" name="{{{ name }}}[zoom]" value="{{{ zoom }}}" /> |
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</div> |
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<div class="carbon-map-canvas"> </div> |
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<?php |
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} |
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/** |
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* Set the coords and zoom of this field. |
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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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*/ |
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public function set_position( $lat, $lng, $zoom ) { |
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$this->default_lat = floatval( $lat ); |
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$this->default_lng = floatval( $lng ); |
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$this->default_zoom = $zoom; |
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return $this; |
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} |
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} |
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htmlburger /
carbon-fields
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