function units_element_info in Units of Measurement 7.2

Implements hook_element_info().

File

./units.module, line 137

Provide API for managing and converting units of measurement.

Code

function units_element_info() {
  return array(
    'units_mathematical_expression' => array(
      '#input' => TRUE,
      '#process' => array(
        'units_mathematical_expression_element_process',
      ),
      '#element_validate' => array(
        'units_mathematical_expression_element_validate',
      ),
      // In what format to represent the submitted mathematical expression.
      // Allowed values are:
      // - object: to represent as an instance of
      //   UnitsMathematicalExpressionWrapper
      // - infix: to represent as a string in infix notation
      // - postfix: to represent as a string in postfix notation
      '#value_format' => 'object',
      // If the form element should accept only mathematical expressions of a
      // specific dimension, put the allowed dimension here.
      '#allowed_dimension' => NULL,
    ),
  );
}