public static function RulesDataUICommercePrice::inputForm in Commerce Core 7

Constructs the direct input form.

Return value

array The direct input form.

Overrides RulesDataDirectInputFormInterface::inputForm

File

modules/price/commerce_price.rules.inc, line 34

Rules integration for the Price module.

Class

RulesDataUICommercePrice

Defines a commerce_price input form for Rules actions altering price fields.

Code

public static function inputForm($name, $info, $settings, RulesPlugin $element) {
  $settings += array(
    $name => isset($info['default value']) ? $info['default value'] : array(
      'amount' => NULL,
      'currency_code' => NULL,
    ),
  );
  $value = $settings[$name];

  // Legacy data stored price amount as a scalar value, so we convert it here
  // to the expected data structure.
  if (is_scalar($value)) {
    $value = array(
      'amount' => $value,
      'currency_code' => NULL,
    );
  }
  $currency_code = empty($value['currency_code']) || $value['currency_code'] == 'default' ? commerce_default_currency() : $value['currency_code'];
  $currency = commerce_currency_load($currency_code);
  if (isset($value['amount']) && is_numeric($value['amount'])) {

    // Price amount should always be saved as integers (minor units), but in
    // case they're not we round them.
    if (strpos($value['amount'], '.') === FALSE) {
      $default_amount = $value['amount'];
    }
    else {
      $default_amount = commerce_round(COMMERCE_ROUND_HALF_UP, $value['amount']);
    }

    // Format the number to the proper decimal places for the textfield.
    $default_amount = commerce_currency_amount_to_decimal($default_amount, $currency_code);
    $currency = commerce_currency_load($currency_code);
    $default_amount = number_format($default_amount, $currency['decimals'], '.', '');
  }
  else {
    $default_amount = NULL;
  }
  $form[$name]['#element_validate'] = array(
    '_commerce_price_rules_data_ui_element_validate',
  );
  $form[$name]['amount'] = array(
    '#type' => 'textfield',
    '#default_value' => $default_amount,
    '#size' => 10,
    '#required' => TRUE,
  );

  // Build a currency options list from all enabled currencies.
  $options = array();
  foreach (commerce_currencies(TRUE) as $currency_key => $currency_data) {
    $options[$currency_key] = check_plain($currency_data['code']);
  }

  // If the current currency value is not available, add it now with a message
  // in the help text explaining it.
  if (empty($options[$currency['code']])) {
    $options[$currency['code']] = check_plain($currency['code']);
    $description = t('The currency set for this action is not currently enabled. If you change it now, you will not be able to set it back.');
  }
  else {
    $description = '';
  }

  // If only one currency option is available, don't use a select list.
  if (count($options) == 1) {
    $form[$name]['amount']['#field_suffix'] = reset($options);
    $form[$name]['currency_code'] = array(
      '#type' => 'value',
      '#default_value' => key($options),
    );
  }
  else {
    $form[$name]['#attached']['css'][] = drupal_get_path('module', 'commerce_price') . '/theme/commerce_price.theme.css';
    $form[$name]['amount']['#prefix'] = '<div class="commerce-price-full">';
    $form[$name]['currency_code'] = array(
      '#type' => 'select',
      '#description' => $description,
      '#options' => $options,
      '#default_value' => $currency_code,
      '#suffix' => '</div>',
    );
  }
  return $form;
}