private static function ChartDataCollectorTable::tableRowOperation in Charts 5.0.x

Same name and namespace in other branches

1. 8.4 src/Element/ChartDataCollectorTable.php \Drupal\charts\Element\ChartDataCollectorTable::tableRowOperation()

Performs add or delete operation on the table row.

Parameters

array $element_state: The element state storage.

\Drupal\Core\Form\FormStateInterface $form_state: The form state.

string $op: The operation.

null|int $index: The row index.

Return value

array The updated element state storage.

1 call to ChartDataCollectorTable::tableRowOperation()

ChartDataCollectorTable::tableOperationSubmit in src/Element/ChartDataCollectorTable.php

Submit callback for table add and delete operations.

File

src/Element/ChartDataCollectorTable.php, line 600

Class

ChartDataCollectorTable

Provides a chart data collector table form element.

Namespace

Drupal\charts\Element

Code

private static function tableRowOperation(array $element_state, FormStateInterface $form_state, $op, $index = NULL) {
  if ($op === 'delete') {

    // When only one row left we just empty it's columns.
    if (count($element_state['data_collector_table']) === 1) {
      $row = $element_state['data_collector_table'][$index];
      $element_state['data_collector_table'][$index][] = self::emptyRowColumns($row);
      return $element_state;
    }
    unset($element_state['data_collector_table'][$index]);
  }
  else {
    $first_row = current($element_state['data_collector_table']);
    $element_state['data_collector_table'][] = self::emptyRowColumns($first_row);
  }
  return $element_state;
}