plugin install

wp/wp-content/plugins/gravityforms/includes/fields/class-gf-fields.php

@@ -0,0 +1,101 @@
+<?php
+
+if ( ! class_exists( 'GFForms' ) ) {
+	die();
+}
+
+require_once( plugin_dir_path( __FILE__ ) . 'class-gf-field.php' );
+
+class GF_Fields {
+
+	public static $deprecation_notice_fired = false;
+
+	/* @var GF_Field[] */
+	private static $_fields = array();
+
+	public static function register( $field ) {
+		if ( ! is_subclass_of( $field, 'GF_Field' ) ) {
+			throw new Exception( 'Must be a subclass of GF_Field' );
+		}
+		if ( empty( $field->type ) ) {
+			throw new Exception( 'The type must be set' );
+		}
+		if ( isset( self::$_fields[ $field->type ] ) ) {
+			throw new Exception( 'Field type already registered: ' . $field->type );
+		}
+		self::$_fields[ $field->type ] = $field;
+	}
+
+	public static function exists( $field_type ) {
+		return isset( self::$_fields[ $field_type ] );
+	}
+
+	/**
+	 * @param $field_type
+	 *
+	 * @return GF_Field
+	 */
+	public static function get_instance( $field_type ) {
+		return isset( self::$_fields[ $field_type ] ) ? self::$_fields[ $field_type ] : false;
+	}
+
+	/**
+	 * Alias for get_instance()
+	 *
+	 * @param $field_type
+	 *
+	 * @return GF_Field
+	 */
+	public static function get( $field_type ) {
+		return self::get_instance( $field_type );
+	}
+
+	/**
+	 * Return all the registered field types.
+	 *
+	 * @return GF_Field[]
+	 */
+	public static function get_all() {
+		return self::$_fields;
+	}
+
+	/**
+	 * Creates a Field object from an array of field properties.
+	 *
+	 * @param array|GF_Field $properties
+	 *
+	 * @return GF_Field | bool
+	 */
+	public static function create( $properties ) {
+		if ( $properties instanceof GF_Field ) {
+			$type = $properties->type;
+			$type = empty( $properties->inputType ) ? $type : $properties->inputType;
+		} else {
+			$type = isset( $properties['type'] ) ? $properties['type'] : '';
+			$type = empty( $properties['inputType'] ) ? $type : $properties['inputType'];
+		}
+
+		if ( empty( $type ) || ! isset( self::$_fields[ $type ] ) ) {
+			return new GF_Field( $properties );
+		}
+		$class      = self::$_fields[ $type ];
+		$class_name = get_class( $class );
+		$field      = new $class_name( $properties );
+
+		/**
+		 * Filter the GF_Field object after it is created.
+		 *
+		 * @since  1.9.18.2
+		 *
+		 * @param  GF_Field $field      A GF_Field object.
+		 * @param  array    $properties An array of field properties used to generate the GF_Field object.
+		 *
+		 * @see    https://docs.gravityforms.com/gform_gf_field_create/
+		 */
+		return apply_filters( 'gform_gf_field_create', $field, $properties );
+
+	}
+}
+
+// Load all the field files automatically.
+GFCommon::glob_require_once( '/includes/fields/class-gf-field-*.php' );