field['field_name']; // Get the FK column that links to the base table. $table_name = $this->field['settings']['chado_table']; $base_table = $this->field['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. $record_id = ''; $fkey_value = $element['#entity']->chado_record_id; $contact_id = ''; $name = ''; // 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)) { $record_id = tripal_get_field_item_keyval($items, $delta, 'chado-' . $table_name . '__' . $pkey, $record_id); $contact_id = tripal_get_field_item_keyval($items, $delta, 'chado-' . $table_name . '__contact_id', $contact_id); if ($contact_id) { $contact = chado_generate_var('contact', array('contact_id' => $contact_id)); $name = $contact->name; } } $schema = chado_get_schema('contact'); $widget['#table_name'] = $table_name; $widget['#fkey_field'] = $fkey; $widget['#theme'] = 'chado_linker__contact_widget'; $widget['#prefix'] = ""; $widget['#suffix'] = ""; $widget['value'] = array( '#type' => 'value', '#value' => array_key_exists($delta, $items) ? $items[$delta]['value'] : '', ); $widget['chado-' . $table_name . '__' . $pkey] = array( '#type' => 'value', '#default_value' => $record_id, ); $widget['chado-' . $table_name . '__' . $fkey] = array( '#type' => 'value', '#default_value' => $fkey_value, ); $widget['chado-' . $table_name . '__contact_id'] = array( '#type' => 'value', '#default_value' => $contact_id, ); $widget['name'] = array( '#type' => 'textfield', '#title' => t('Contact'), '#default_value' => $name, '#autocomplete_path' => 'admin/tripal/storage/chado/auto_name/contact', '#ajax' => array( 'callback' => "chado_linker__contact_widget_form_ajax_callback", 'wrapper' => "$table_name-$delta", 'effect' => 'fade', 'method' => 'replace' ), '#maxlength' => 100000, ); } /** * Performs validation of the widgetForm. * * Use this validate to ensure that form values are entered correctly. Note * this is different from the validate() function which ensures that the * field data meets expectations. * * @param $form * @param $form_state */ public function validate($form, &$form_state, $entity_type, $entity, $langcode, $delta) { } /** * * @see TripalFieldWidget::submit() */ public function submit($form, &$form_state, $entity_type, $entity, $langcode, $delta) { // Get the FK column that links to the base table. $table_name = $this->field['settings']['chado_table']; $base_table = $this->field['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]; $field_name = $this->field['field_name']; // Get the field values. $fkey_value = isset($form_state['values'][$field_name][$langcode][$delta]['value']) ? $form_state['values'][$field_name][$langcode][$delta]['value'] : ''; $contact_id = isset($form_state['values'][$field_name][$langcode][$delta]['chado-' . $table_name . '__contact_id']) ? $form_state['values'][$field_name][$langcode][$delta]['chado-' . $table_name . '__contact_id'] : ''; $name = isset($form_state['values'][$field_name][$langcode][$delta]['name']) ? $form_state['values'][$field_name][$langcode][$delta]['name'] : ''; // If the user provided a name then we want to set the foreign key // value to be the chado_record_id if ($name and !$contact_id) { $contact = chado_generate_var('contact', array('name' => $name)); $form_state['values'][$field_name][$langcode][$delta]['chado-' . $table_name . '__contact_id'] = $contact->contact_id; } // In the widgetForm function we automatically add the foreign key // record. But if the user did not provide a contact we want to take // it out so that the Chado field_storage infrastructure won't try to // write a record. if (!$name and !$contact_id) { $form_state['values'][$field_name][$langcode][$delta]['chado-' . $table_name . '__' . $fkey] = ''; } // If the user removed the contact from the contact_name field // then we want to clear out the rest of the hidden values. // Leave the primary key so the record can be deleted. if (!$name and $contact_id) { $form_state['values'][$field_name][$langcode][$delta]['chado-' . $table_name . '__' . $fkey] = ''; $form_state['values'][$field_name][$langcode][$delta]['chado-' . $table_name . '__contact_id'] = ''; } } }