protected function parse_legacy_properties() {

		// Only run this one time.
		if ( ! empty( $this->legacy_properties_converted ) ) {
			return;
		}

		$properties = $this->get_legacy_property_list();

		// By-reference variable for convenience.
		$lpc =& $this->legacy_properties_converted;

		foreach ( $properties as $property ) {

			// No legacy config exists for this key.
			if ( ! isset( $this->{$property} ) ) {
				continue;
			}

			// Grab the value and record it as appropriate.
			$value = $this->{$property};

			switch ( $property ) {
				case 'enable_create_step' :
					$lpc['screens']['create']['enabled'] = (bool) $value;
					break;

				case 'enable_edit_item' :
					$lpc['screens']['edit']['enabled'] = (bool) $value;
					break;

				case 'enable_admin_item' :
					$lpc['screens']['admin']['enabled'] = (bool) $value;
					break;

				case 'create_step_position' :
					$lpc['screens']['create']['position'] = $value;
					break;

				// Note: 'admin' becomes 'edit' to distinguish from Dashboard 'admin'.
				case 'admin_name' :
					$lpc['screens']['edit']['name'] = $value;
					break;

				case 'admin_slug' :
					$lpc['screens']['edit']['slug'] = $value;
					break;

				case 'create_name' :
					$lpc['screens']['create']['name'] = $value;
					break;

				case 'create_slug' :
					$lpc['screens']['create']['slug'] = $value;
					break;

				case 'admin_metabox_context' :
					$lpc['screens']['admin']['metabox_context'] = $value;
					break;

				case 'admin_metabox_priority' :
					$lpc['screens']['admin']['metabox_priority'] = $value;
					break;

				default :
					$lpc[ $property ] = $value;
					break;
			}
		}
	}