Overrides TripalFieldWidget::form

See also

TripalFieldWidget::form()

File

tripal_chado/includes/TripalFields/schema__publication/schema__publication_widget.inc, line 14

Class

schema__publication_widget

Code

public function form(&$widget, &$form, &$form_state, $langcode, $items, $delta, $element) {
  parent::form($widget, $form, $form_state, $langcode, $items, $delta, $element);

  $field_name = $this->field['field_name'];

  // Get the FK column that links to the base table.
  $table_name = $this->instance['settings']['chado_table'];
  $base_table = $this->instance['settings']['base_table'];
  $schema = chado_get_schema($table_name);
  $pkey = $schema['primary key'][0];
  $fkeys = array_values($schema['foreign keys'][$base_table]['columns']);
  $fkey = $fkeys[0];

  // Get the field defaults.
  $pkey_val = '';
  $fkey_value = '';
  $pub_id = '';
  $title = '';

  // If the field already has a value then it will come through the $items
  // array.  This happens when editing an existing record.
  if (count($items) > 0 and array_key_exists($delta, $items)) {
    $pkey_val = tripal_get_field_item_keyval($items, $delta, 'chado-' . $table_name . '__' . $pkey, $pkey_val);
    $fkey_value = tripal_get_field_item_keyval($items, $delta, 'chado-' . $table_name . '__' . $fkey, $fkey_value);
    $pub_id = tripal_get_field_item_keyval($items, $delta, 'chado-' . $table_name . '__pub_id', $pub_id);
    if ($pub_id) {
      $pub = chado_get_publication(array('pub_id' => $pub_id));
      $title = $pub->title . ' [id:' . $pub->pub_id . ']';
    }
  }

  // Check $form_state['values'] to see if an AJAX call set the values.
  if (array_key_exists('values', $form_state) and 
    array_key_exists($field_name, $form_state['values'])) {
    $title = $form_state['values'][$field_name]['und'][$delta]['pub_title'];
    $pub_id = $form_state['values'][$field_name]['und'][$delta]['accession'];
  }

  $schema = chado_get_schema('pub');

  $widget['#table_name'] = $table_name;
  $widget['#fkey_field'] = $fkey;
  $widget['#prefix'] = "<span id='$table_name-$delta'>";
  $widget['#suffix'] = "</span>";

  $widget['value'] = array(
    '#type' => 'value',
    '#value' => array_key_exists($delta, $items) ? $items[$delta]['value'] : '',
  );

  $widget['chado-' . $table_name . '__' . $pkey] = array(
    '#type' => 'value',
    '#default_value' => $pkey_val,
  );
  $widget['chado-' . $table_name . '__' . $fkey] = array(
    '#type' => 'value',
    '#default_value' => $fkey_value,
  );
  $widget['chado-' . $table_name . '__pub_id'] = array(
    '#type' => 'value',
    '#default_value' => $pub_id,
  );

  $widget['pub_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Publication'),
    '#default_value' => $title,
    '#autocomplete_path' => 'admin/tripal/storage/chado/auto_name/pub',
    '#maxlength' => 100000,
  );
}