/**
* Provides the form part for a context parameter.
*/
public function buildContextForm(array $form, FormStateInterface $form_state, $context_name, ContextDefinitionInterface $context_definition, array $configuration)
{
$form['context'][$context_name] = ['#type' => 'fieldset', '#title' => $context_definition->getLabel()];
$form['context'][$context_name]['description'] = ['#markup' => $context_definition->getDescription()];
// If the form has been submitted already take the mode from the submitted
// values, otherwise default to existing configuration. And if that does not
// exist default to the "input" mode.
$mode = $form_state->get('context_' . $context_name);
if (!$mode) {
if (isset($configuration['context_mapping'][$context_name])) {
$mode = 'selector';
} else {
$mode = 'input';
}
$form_state->set('context_' . $context_name, $mode);
}
$title = $mode == 'selector' ? $this->t('Data selector') : $this->t('Value');
// @todo get a description for possible values that can be filled in.
$description = $mode == 'selector' ? $this->t("The data selector helps you drill down into the data available to Rules. <em>To make entity fields appear in the data selector, you may have to use the condition 'entity has field' (or 'content is of type').</em> More useful tips about data selection is available in <a href=':url'>the online documentation</a>.", [':url' => 'https://www.drupal.org/node/1300042']) : '';
if (isset($configuration['context_values'][$context_name])) {
$default_value = $configuration['context_values'][$context_name];
} elseif (isset($configuration['context_mapping'][$context_name])) {
$default_value = $configuration['context_mapping'][$context_name];
} else {
$default_value = $context_definition->getDefaultValue();
}
$form['context'][$context_name]['setting'] = ['#type' => 'textfield', '#title' => $title, '#description' => $description, '#required' => $context_definition->isRequired(), '#default_value' => $default_value];
$value = $mode == 'selector' ? $this->t('Switch to the direct input mode') : $this->t('Switch to data selection');
$form['context'][$context_name]['switch_button'] = ['#type' => 'submit', '#name' => 'context_' . $context_name, '#attributes' => ['class' => ['rules-switch-button']], '#parameter' => $context_name, '#value' => $value, '#submit' => [static::class . '::switchContextMode'], '#limit_validation_errors' => []];
return $form;
}
/**
* {@inheritdoc}
*/
public function setVariable($name, ContextDefinitionInterface $definition, $value)
{
$data = $this->getTypedDataManager()->create($definition->getDataDefinition(), $value);
$this->setVariableData($name, $data);
return $this;
}