| Current File : /var/www/tusveterinarios/wp-content/plugins/gravityforms/includes/blocks/class-gf-block.php |
<?php
// If Gravity Forms Block Manager is not available, do not run.
if ( ! class_exists( 'GF_Blocks' ) || ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Base Gravity Forms Block class.
*
* @since 2.4.10
*
* Class GF_Block
*/
class GF_Block {
/**
* Contains an instance of this block, if available.
*
* @since 2.4.10
* @var GF_Block $_instance If available, contains an instance of this block.
*/
private static $_instance = null;
/**
* Block type.
*
* @since 2.4.10
* @var string
*/
public $type = '';
/**
* Handle of primary block script.
*
* @since 2.4.10
* @var string
*/
public $script_handle = '';
/**
* Block attributes.
*
* @since 2.4.10
* @var array
*/
public $attributes = array();
/**
* Register block type.
* Enqueue editor assets.
*
* @since 2.4.10
*
* @uses GF_Block::register_block_type()
*/
public function init() {
$this->register_block_type();
add_filter( 'allowed_block_types', array( $this, 'check_allowed_blocks' ), 9999 );
add_action( 'gform_post_enqueue_scripts', array( $this, 'post_enqueue_scripts' ), 10, 3 );
}
// # BLOCK REGISTRATION --------------------------------------------------------------------------------------------
/**
* Get block type.
*
* @since 2.4.10
*
* @return string
*/
public function get_type() {
return $this->type;
}
/**
* Register block with WordPress.
*
* @since 2.4.10
*/
public function register_block_type() {
register_block_type( $this->get_type(), array(
'render_callback' => array( $this, 'render_block' ),
'editor_script' => $this->script_handle,
'attributes' => $this->attributes,
) );
}
/**
* Checks allowed blocks for Gravity forms blocks to only enqueue block editor assets when necessary.
*
* @since 2.4.18
*
* @param bool|array $allowed_block_types Array of block type slugs, or boolean to enable/disable all.
*
* @return bool|array
*/
public function check_allowed_blocks( $allowed_block_types ) {
// Only enqueue block editor assets if all blocks are allowed or if the current block type is an allowed block.
if ( $allowed_block_types === true || ( is_array( $allowed_block_types ) && in_array( $this->get_type(), $allowed_block_types ) ) ) {
add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_scripts' ) );
add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_styles' ) );
}
return $allowed_block_types;
}
// # SCRIPT ENQUEUEING ---------------------------------------------------------------------------------------------
/**
* Enqueue block scripts.
*
* @since 2.4.10
*
* @uses GF_Block::scripts()
*/
public function enqueue_scripts() {
// Get registered scripts.
$scripts = $this->scripts();
// If no scripts are registered, return.
if ( empty( $scripts ) ) {
return;
}
// Loop through scripts.
foreach ( $scripts as $script ) {
// Prepare parameters.
$src = isset( $script['src'] ) ? $script['src'] : false;
$deps = isset( $script['deps'] ) ? $script['deps'] : array();
$version = isset( $script['version'] ) ? $script['version'] : false;
$in_footer = isset( $script['in_footer'] ) ? $script['in_footer'] : false;
// Enqueue script.
wp_enqueue_script( $script['handle'], $src, $deps, $version, $in_footer );
// Localize script.
if ( rgar( $script, 'strings' ) ) {
wp_localize_script( $script['handle'], $script['handle'] . '_strings', $script['strings'] );
}
// Run script callback.
if ( rgar( $script, 'callback' ) && is_callable( $script['callback'] ) ) {
call_user_func( $script['callback'], $script );
}
}
}
/**
* Override this function to provide a list of scripts to be enqueued.
* Following is an example of the array that is expected to be returned by this function:
* <pre>
* <code>
*
* array(
* array(
* 'handle' => 'super_signature_script',
* 'src' => $this->get_base_url() . '/super_signature/ss.js',
* 'version' => $this->_version,
* 'deps' => array( 'jquery'),
* 'callback' => array( $this, 'localize_scripts' ),
* 'strings' => array(
* // Accessible in JavaScript using the global variable "[script handle]_strings"
* 'stringKey1' => __( 'The string', 'gravityforms' ),
* 'stringKey2' => __( 'Another string.', 'gravityforms' )
* )
* )
* );
*
* </code>
* </pre>
*
* @since 2.4.10
*
* @return array
*/
public function scripts() {
return array();
}
// # STYLE ENQUEUEING ----------------------------------------------------------------------------------------------
/**
* Enqueue block styles.
*
* @since 2.4.10
*/
public function enqueue_styles() {
// Get registered styles.
$styles = $this->styles();
// If no styles are registered, return.
if ( empty( $styles ) ) {
return;
}
// Loop through styles.
foreach ( $styles as $style ) {
// Prepare parameters.
$src = isset( $style['src'] ) ? $style['src'] : false;
$deps = isset( $style['deps'] ) ? $style['deps'] : array();
$version = isset( $style['version'] ) ? $style['version'] : false;
$media = isset( $style['media'] ) ? $style['media'] : 'all';
// Enqueue style.
wp_enqueue_style( $style['handle'], $src, $deps, $version, $media );
}
}
/**
* Override this function to provide a list of styles to be enqueued.
* See scripts() for an example of the format expected to be returned.
*
* @since 2.4.10
*
* @return array
*/
public function styles() {
return array();
}
// # BLOCK RENDER -------------------------------------------------------------------------------------------------
/**
* Display block contents on frontend.
*
* @since 2.4.10
*
* @param array $attributes Block attributes.
*
* @return string
*/
public function render_block( $attributes = array() ) {
return '';
}
/**
* Override to perform additional actions when scripts/styles are enqueued on the wp_enqueue_scripts hook.
*
* @since 2.4.18
*
* @param array $found_forms An array of found forms using the form ID as the key to the ajax status.
* @param array $found_blocks An array of found GF blocks.
* @param WP_Post $post The post which was processed.
*/
public function post_enqueue_scripts( $found_forms, $found_blocks, $post ) {
}
}