[Wordpress ACF Icon Selector] Modify an ACF radio field to be used as an icon picker. add the .icon-selector class when creating the field #wordpress #acf #backend #icons

machine-admin.css

/**
 * Icon Selector
 */
 .acf-field.icon-selector .acf-radio-list > li {
  padding: 0.25rem 0;
  margin-right: 0.5rem;
}

.acf-field.icon-selector li > label {
  display: inline-block;
  min-width: 2rem;
  padding: 1rem;
  position: relative;
}

.acf-field.icon-selector li > label > input[type="radio"] {
  opacity: 0;
}

.acf-field.icon-selector li > label > input[type="radio"] + i {
  position: absolute;
  font-size: 1.1rem;
  padding: 0.75rem;
  left: 0;
  right: 0;
  text-align: center;
  top: 0;
  bottom: 0;
  z-index: 2;
  line-height: 1.5;
  background-color: white;
  border-radius: 7px;
  border: 1px solid #f2f2f2;
 }

.acf-field.icon-selector li > label.selected > input[type="radio"] + i {
  background-color: #309cf3;
  border-color: #2b9af3;
  color: white;
  pointer-events: none;
}

machine-admin.php

// Update the admin CSS function
function machine_admin_load_css() {
  
  // don't load on front-end unless they're logged in
  if( is_user_logged_in() ) {
    wp_enqueue_style( "machine_admin", THEME_PATH . "/functions/machine-admin.css");
    wp_enqueue_style( "machine_icons", THEME_PATH . "/style-icons.css");
  }
}

/**
 * Add backend icons
 * @param  [type] $field [description]
 * @return [type]        [description]
 */
function machine_icon_list( $field ) {

  if( $field['wrapper']['class'] == 'icon-selector' && isset($field['choices']) ) {
 
    foreach( $field['choices'] as $key => $value ) {
      $field['choices'][$key] = '<i class="icon cspgno-icon-' . $value . '"></i>';
    }
  }


  return $field;

}

add_action( 'acf/prepare_field/type=radio', 'machine_icon_list', 10, 1 );