function views_oai_pmh_plugin_row_misc::validate in Views OAI-PMH 7.2

Same name and namespace in other branches

1. 6.2 plugins/views_oai_pmh_plugin_row_misc.inc \views_oai_pmh_plugin_row_misc::validate()

Check the values of the Views form.

Return value

array An array of errors; empty if none.

Overrides views_plugin::validate

File

plugins/views_oai_pmh_plugin_row_misc.inc, line 82

Definition of the views_oai_pmh_plugin_row_misc class.

Class

views_oai_pmh_plugin_row_misc

@file Definition of the views_oai_pmh_plugin_row_misc class.

Code

function validate() {

  // Call the parent class' validation function.
  $errors = parent::validate();
  $link = $this->display->handler
    ->option_link('Row options', 'row_options');
  $field_handlers = $this->display->handler
    ->get_handlers('field');
  foreach ($field_handlers as $id => $field) {
    $ui_label = $field
      ->ui_name();
    $label_string = $field
      ->label();

    // See if the label contains formatting HTML that we need to remove.
    if (strpos($label_string, '<span') !== FALSE) {

      // Grab the contents of the first 'span' tag in the label.
      $label_string = substr($label_string, 0, strpos($label_string, '<span>', 1));

      // Strip the span tag, leaving us with just the labels.
      $label_string = strip_tags($label_string);
    }

    // Break the label string into its component labels, which are separated by commas.
    $labels[$id] = explode(', ', $label_string);
    $found_label = FALSE;
    foreach ($labels[$id] as $label) {

      // Does this label exist in our array of element names?
      if (array_key_exists($label, $GLOBALS['views_oai_pmh'][$this->_metadata_format]->elements)) {
        $found_label = TRUE;
        break;
      }
    }

    // Check that we found a valid label for this data type.
    if (!$found_label) {
      $errors[] = t('The field "@title" does not have a @name label associated with it. Go to the !link page to fix it.', array(
        '@title' => $ui_label,
        '@name' => $GLOBALS['views_oai_pmh'][$this->_metadata_format]->name,
        '!link' => $link,
      ));
    }
  }
  return $errors;
}