Drupal 7 Module Development

Chapter 7
}
return;
'field_ui_field_edit_form') {
$values = $form_state['values'];
$language = $values['language'];
$field_name = $element['#field_name'];
$num_dimensions = 2;
if (array_search('depth', $element['#columns'])) {
$num_dimensions = 3;
}
foreach ($values[$field_name][$language] as $delta => $item) {
if (substr_count($item['dimfield_combined_wrapper']['height_width_
depth'], 'x') == $num_dimensions - 1) {
if ($num_dimensions == 2) {
list($height, $width) = explode('x', $item['dimfield_combined_
wrapper']['height_width_depth']);
$new_values = array(
'height' => trim($height),
'width' => trim($width),
'units' => $item['dimfield_combined_wrapper']['units'],
);
}
elseif ($num_dimensions == 3) {
list($height, $width, $depth) = explode('x',
$item['dimfield_combined_wrapper']['height_width_depth']);
$new_values = array(
'height' => trim($height),
'width' => trim($width),
'depth' => trim($depth),
'units' => $item['dimfield_combined_wrapper']['units'],
);
}
form_set_value($element, $new_values, $form_state);
}
else {
form_set_error($field_name, t('You must specify all dimensions,
separated by an \'x\'.'));
}
}
}
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