protected function ExpressionContainerFormBase::getParameterDescription in Rules 8.3

Helper function to extract context parameter names/values from the config.

Parameters

array $configuration: Configuration entity as a configuration array.

Return value

string String containing a summary of context parameter names and values.

2 calls to ExpressionContainerFormBase::getParameterDescription()

ActionContainerForm::form in src/Form/Expression/ActionContainerForm.php

Adds elements specific to the expression to the form.

ConditionContainerForm::form in src/Form/Expression/ConditionContainerForm.php

Adds elements specific to the expression to the form.

File

src/Form/Expression/ExpressionContainerFormBase.php, line 25

Class

ExpressionContainerFormBase

Form handler for action containers.

Namespace

Drupal\rules\Form\Expression

Code

protected function getParameterDescription(array $configuration) {
  $parameters = [];

  // 'context_mapping' is for context parameters set in data selector mode.
  // 'context_values' is for context parameters set in direct input mode.
  $context = [];
  if (isset($configuration['context_values']) && isset($configuration['context_mapping'])) {

    // @todo Remove this if() check on context_values and context_mapping when
    // https://www.drupal.org/project/rules/issues/3103808 is fixed.
    $context = $configuration['context_mapping'] + $configuration['context_values'];
  }
  foreach ($context as $key => $value) {
    if ($value === FALSE) {
      $value = 'FALSE';
    }
    elseif ($value === TRUE) {
      $value = 'TRUE';
    }
    elseif ($value === NULL) {
      $value = 'NULL';
    }
    elseif ($value === '') {
      $value = "''";
    }
    elseif (is_array($value)) {
      $value = '[' . implode(', ', $value) . ']';
    }

    // @todo Truncate $value if it's "too long", so as not to clutter UI.
    // Perhaps we can display the full value on hover.
    $parameters[] = $key . ': ' . $value;
  }

  // Build description string.
  if (empty($parameters)) {
    $description = $this
      ->t('Parameters: <none>');
  }
  else {
    $description = $this
      ->t('Parameters: @name-value', [
      '@name-value' => implode(', ', $parameters),
    ]);
  }
  return $description;
}