function rules_condition_data_is_form_alter in Rules 7.2

Form alter callback for the condition data_is.

Use multiple steps to configure the condition as the needed type of the value depends on the selected data.

Related topics

File

modules/data.rules.inc, line 637

General data related rules integration.

Code

function rules_condition_data_is_form_alter(&$form, &$form_state, $options, RulesAbstractPlugin $element) {
  if (!empty($options['init']) && !isset($form_state['rules_element_step'])) {
    unset($form['parameter']['op'], $form['parameter']['value']);
    $form['negate']['#access'] = FALSE;
    $form_state['rules_element_step'] = 'data_value';
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Continue'),
      '#limit_validation_errors' => array(
        array(
          'parameter',
          'data',
        ),
        array(
          'parameter',
          'op',
        ),
      ),
      '#submit' => array(
        'rules_form_submit_rebuild',
      ),
    );

    // Clear the parameter mode for the value parameter, so its gets the proper
    // default value based upon the type of the the selected data on rebuild.
    unset($form_state['parameter_mode']['value']);
  }
  else {

    // Change the data parameter to be not editable.
    $form['parameter']['data']['settings']['#access'] = FALSE;

    // @todo Improve display.
    $form['parameter']['data']['info'] = array(
      '#prefix' => '<p>',
      '#markup' => t('<strong>Selected data:</strong> %selector', array(
        '%selector' => $element->settings['data:select'],
      )),
      '#suffix' => '</p>',
    );

    // Limit the operations to what makes sense for the selected data type.
    $info = $element
      ->pluginParameterInfo();
    $data_info = $info['value'];
    if ($element->settings['op'] == 'IN') {
      $data_info['type'] = entity_property_list_extract_type($data_info['type']);
    }
    if (!RulesData::typesMatch($data_info, array(
      'type' => array(
        'decimal',
        'date',
      ),
    ))) {
      $options =& $form['parameter']['op']['settings']['op']['#options'];
      unset($options['<'], $options['>']);
    }

    // Remove 'contains' if it is not selected, as it is deprecated by the
    // text comparison condition.
    if ($element->settings['op'] != 'contains') {
      unset($form['parameter']['op']['settings']['op']['#options']['contains']);
    }

    // Auto-refresh the form if the operation is changed, so the input form
    // changes in case "is one of" requires a list value.
    $form['parameter']['op']['settings']['op']['#ajax'] = rules_ui_form_default_ajax() + array(
      'trigger_as' => array(
        'name' => 'reload',
      ),
    );

    // Provide a reload button for non-JS users.
    $form['reload'] = array(
      '#type' => 'submit',
      '#value' => t('Reload form'),
      '#limit_validation_errors' => array(
        array(
          'parameter',
          'data',
        ),
        array(
          'parameter',
          'op',
        ),
      ),
      '#submit' => array(
        'rules_form_submit_rebuild',
      ),
      '#ajax' => rules_ui_form_default_ajax(),
      '#weight' => 5,
    );

    // Hide the reload button in case JS is enabled.
    $form['reload']['#attributes'] = array(
      'class' => array(
        'rules-hide-js',
      ),
    );
  }
}