Overrides TripalFieldWidget::validate

See also

TripalFieldWidget::validate()

File

tripal_chado/includes/TripalFields/sbo__relationship/sbo__relationship_widget.inc, line 339

Class

sbo__relationship_widget

Code

public function validate($element, $form, &$form_state, $langcode, $delta) {

  $field_name = $this->field['field_name'];
  $field_type = $this->field['type'];
  $field_table = $this->instance['settings']['chado_table'];
  $field_column = $this->instance['settings']['chado_column'];
  $base_table = $this->instance['settings']['base_table'];
  $chado_record_id = array_key_exists('#entity', $element) ? $element['#entity']->chado_record_id : NULL;

  $schema = chado_get_schema($field_table);
  $fkeys = $schema['foreign keys'];

  // 'nd_reagent_relationship' and 'project_relationship' have different column names from
  // subject_id/object_id. Do a pattern matching to get the column names.
  $subject_id_key = 'subject_id';
  $object_id_key = 'object_id';
  foreach ($schema['foreign keys'][$base_table]['columns'] as $lcolum => $rcolum) {
    if (preg_match('/^subject_.*id/', $lcolum)) {
      $subject_id_key = $lcolum;
    }
    else if (preg_match('/^object_.*id/', $lcolum)) {
      $object_id_key = $lcolum;
    }
  }

  $voc_id = array_key_exists('vocabulary', $form_state['values'][$field_name][$langcode][$delta]) ? $form_state['values'][$field_name][$langcode][$delta]['vocabulary'] : '';
  $type_name = array_key_exists('type_name', $form_state['values'][$field_name][$langcode][$delta]) ? $form_state['values'][$field_name][$langcode][$delta]['type_name'] : '';
  $subject_id = isset($form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $subject_id_key]) ? $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $subject_id_key] : '';
  $object_id = isset($form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $object_id_key]) ? $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $object_id_key] : '';
  $type_id = $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__type_id'];

  $subject_name = $form_state['values'][$field_name][$langcode][$delta]['subject_name'];
  $object_name = $form_state['values'][$field_name][$langcode][$delta]['object_name'];

  // If the row is empty then skip this one, there's nothing to validate.
  if (!($type_id or !$type_name) and !$subject_name and !$object_name) {
    return;
  }
  else if ($type_name && $voc_id) {
    $val = array(
      'cv_id' => $voc_id,
      'name' => $type_name
    );
    $cvterm = chado_generate_var('cvterm', $val);
    $type_id = $cvterm->cvterm_id;
  }

  // Do not proceed if subject ID or object ID does not exist
  if (!key_exists($subject_id_key, $fkeys[$base_table]['columns']) || 
    !key_exists($object_id_key, $fkeys[$base_table]['columns'])) {
    return;
  }
  // Get the subject ID.
  $subject_id = '';
  $fkey_rcolumn = $fkeys[$base_table]['columns'][$subject_id_key];
  $matches = array();
  if (preg_match('/\[id: (\d+)\]/', $subject_name, $matches)) {
    $subject_id = $matches[1];
  }
  else {
    $values = array('uniquename' => $subject_name);
    $subject = chado_select_record($base_table, array($fkey_rcolumn), $values);
    if (count($subject) > 0) {
      $subject_id = $subject[0]->$fkey_rcolumn;
    }
  }

  // Get the object ID.
  $object_id = '';
  $fkey_rcolumn = $fkeys[$base_table]['columns'][$object_id_key];
  $matches = array();
  if (preg_match('/\[id: (\d+)\]/', $object_name, $matches)) {
    $object_id = $matches[1];
  }
  else {
    $values = array('uniquename' => $object_name);
    $object = chado_select_record($base_table, array($fkey_rcolumn), $values);
    if (count($object) > 0) {
      $object_id = $object[0]->$fkey_rcolumn;
    }
  }

  if ($subject_id && $object_id && $type_id) {
    // Set the IDs according to the values that were determined above.
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $subject_id_key] = $subject_id;
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $object_id_key] = $object_id;
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__type_id'] = $type_id;
    if (array_key_exists('rank', $schema['fields'])) {
      $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__rank'] = $form_state['values'][$field_name][$langcode][$delta]['_weight'];
    }
  }
  else {
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $subject_id_key] = '';
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__' . $object_id_key] = '';
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__type_id'] = '';
    $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__value'] = '';
    if (array_key_exists('rank', $schema['fields'])) {
      $form_state['values'][$field_name][$langcode][$delta]['chado-' . $field_table . '__rank'] = '';
    }
  }
}