GForms_Functions.php

<?php

/**
 * Custom Gravity Forms Spinner
 *
 * @since  1.0.0
 */
add_filter( 'gform_ajax_spinner_url', 'spinner_url', 10, 2 );

function spinner_url( $image_src, $form ) {
  return get_bloginfo('template_directory') . '/dist/images/spinner.gif';
}





/**
 * Add Conditional Caps to Gravity Forms Total Field
 *
 */
class RW_GF_Total_Field_Logic {

    public function __construct() {
        add_action( 'init', array( $this, 'init' ) );
    }

    function init() {
        if ( ! property_exists( 'GFForms', 'version' ) || ! version_compare( GFForms::$version, '1.9', '>=' ) ) {
            return;
        }

        add_filter( 'gform_field_content', array( $this, 'maybe_add_logic_event' ), 10, 2 );
        add_filter( 'gform_admin_pre_render', array( $this, 'enable_total_in_conditional_logic' ) );
    }

    function maybe_add_logic_event( $content, $field ) {
        if ( $field->type != 'total' ) {
            return $content;
        }
        $logic_event = $field->get_conditional_logic_event( 'change' );

        return ! empty( $logic_event ) ? str_replace( "gform_hidden'", "gform_hidden' value='0' {$logic_event}", $content ) : $content;

    }

    function enable_total_in_conditional_logic( $form ) {
        if ( GFCommon::is_entry_detail() ) {
            return $form;
        }

        echo "<script type='text/javascript'>" .
             " gform.addFilter('gform_is_conditional_logic_field', function (isConditionalLogicField, field) {" .
             "     return field.type == 'total' ? true : isConditionalLogicField;" .
             '  });' .
             " gform.addFilter('gform_conditional_logic_operators', function (operators, objectType, fieldId) {" .
             '      var targetField = GetFieldById(fieldId);' .
             "     if (targetField && targetField['type'] == 'total') {" .
             "         operators = {'>': 'greaterThan', '<': 'lessThan'};" .
             '      }' .
             '      return operators;' .
             '  });' .
             '</script>';

        return $form;
    }

}

new RW_GF_Total_Field_Logic();