ipay.module

<?php
/**
 * Implements hook_field_info().
 */
function ipay_field_info() {
  return array(
    'ipay_sku_item' => array(
      'label' => 'Ipay - Reservar',
      'description' => t('This field stores and renders ipay.com code.'),
      'default_widget' => 'ipay_textfield',
      'default_formatter' => 'ipay_default',
      'property_type' => 'text',
    ),
  );
}

/**
* Implements hook_menu().
*/
function ipay_menu()
{
  $items = array();
  $items['admin/config/content/ipay'] = array(
  'title' => t('Ipay'),
  'description' => t('Configure the ipay module. (Paypal)'),
  'page callback' => 'drupal_get_form',
  'page arguments' => array('ipay_admin'),
  'access arguments' => array('administer ipay settings'),
  'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}
/**
 * Implements hook_field_validate().
 *
 * Possible error codes:
 * - 'ipay_invalid': The ipay code is not valid
 */
function ipay_field_validate($obj_type, $object, $field, $instance, $langcode, $items, &$errors) {
  foreach ($items as $delta => $item)
  {
    if(strlen($item['ipay_sku_item']) != 0)
    {
      if (strlen($item['ipay_sku_item']) != 6 )
      {
        $message = t('"%code" is not a valid. Ipay code is 6D', array('%code' => $item['ipay_sku_item']));
        $errors[$field['field_name']][$langcode][$delta][] = array(
          'error' => "ipay_invalid",
          'message' => $message,
        );
      }
    }
  }
}

/**
 * Implements hook_field_widget_error().
 */
function ipay_field_widget_error($element, $error, $form, &$form_state) {
  form_error($element, $error['message']);
}

/**
 * Implements hook_content_is_empty().
 */
function ipay_field_is_empty($item, $field) {
  if (empty($item['ipay_sku_item']))
  {
    return TRUE;
  }
  return FALSE;
}

/**
 * Implements hook_field_formatter_info().
 *
 */
function ipay_field_formatter_info() {
  $formats = array(
    'ipay_default' => array(
      'label' => t('Default Ipay link'),
      'description' => t('Display the ipay.com code as a link.'),
      'field types' => array('ipay_sku_item'),
    ),
    'ipay_button' => array(
      'label' => t('Ipay button'),
      'description' => t('Display a ipay.com code as a Button.'),
      'field types' => array('ipay_sku_item'),
    ),
    'ipay_form' => array(
      'label' => t('Ipay Form'),
      'description' => t('Display ipay.com code in form.'),
      'field types' => array('ipay_sku_item'),
    ),
    'ipay_plain' => array(
      'label' => t('Ipay Plain Text'),
      'description' => t('Display ipay.com code plain text.'),
      'field types' => array('ipay_sku_item'),
    ),
  );
  return $formats;
}
/**
 * Implements hook_field_formatter_view().
 */
function ipay_field_formatter_view($object_type, $object, $field, $instance, $langcode, $items, $display) {
  $element = array();
  $url = variable_get('ipay_url', 1);
  // print_r(node_load(6));
  switch ($display['type']) {
    case 'ipay_default':
      foreach ($items as $delta => $item)
      {
        $output ='<div id="ipay-block-1" class="ipay-block"><p><a href="'.$url."/".$item['ipay_sku_item'].'" class="form-submit">Pagar con paypal</a></p></div>';
        $element[$delta] = array('#markup' => $output);
      }
      break;

    case 'ipay_button':
      $ids = entity_extract_ids($object_type, $object);
      foreach ($items as $delta => $item) {
        $output = '<formmethod="post"><input type="hidden" name="_code" value="84" ><input  type="hidden" name="tour" value="'.$item['ipay_sku_item'].'" class="form-submit"><input  type="submit" value="Pagar con paypal" class="form-submit"></form>';
        $output = '<div id="ipay-block-1" class="ipay-block">
       <form method="get" action="'.$url.$item['ipay_sku_item'].'" id="ipay-form" class="ipay-form">
       <input  type="hidden" name="tour" value="'.$item['ipay_sku_item'].'" class="form-submit">
            <div class="ipay-field ipay-personas">
               <label>Nro de Personas: </label>
               <select class="ipay-field" name="nro_personas">
                   <option value="1">1 Viajero</option>
                   <option value="2">2 Viajeros</option>
                   <option value="3">3 Viajeros</option>
                   <option value="4">4 Viajeros</option>
                   <option value="5">5 Viajeros</option>
                   <option value="6">6 Viajeros</option>
                   <option value="7">7 Viajeros</option>
                   <option value="8">8 Viajeros</option>
                   <option value="9">9 Viajeros</option>
                   <option value="10">10 Viajeros</option>
               </select>
            </div>
           <div class="ipay-field ipay-submit">
            <input type="submit" name="pagar" class="form-submit" value="Pagar" >
           </div>
       </form>
   </div>';
        $element[$delta] = array('#markup' => $output);
        break;
      }
      break;

    case 'ipay_form':
      $ids = entity_extract_ids($object_type, $object);
      foreach ($items as $delta => $item) {
        $element[$delta] = array('#markup' => check_plain($item['ipay_sku_item']));
        break;
      }
      break;

    case 'ipay_plain':
      foreach ($items as $delta => $item) {
        $element[$delta] = array('#markup' => check_plain($item['ipay_sku_item']));
      }
      break;
  }
  return $element;
}


/**
 * Implements hook_field_widget_info().
 */
function ipay_field_widget_info() {
  return array(
    'ipay_sku_item_textfield' => array(
      'label' => t('Text field'),
      'field types' => array('ipay_sku_item'),
      'settings' => array('size' => 60),
    ),
  );
}

/**
 * Implements hook_field_widget_settings_form().
 */
function ipay_field_widget_settings_form($field, $instance) {
  $widget = $instance['widget'];
  $settings = $widget['settings'];

  $form['size'] = array(
    '#type' => 'textfield',
    '#title' => t('Size of textfield'),
    '#default_value' => $settings['size'],
    '#required' => TRUE,
    '#element_validate' => array('_element_validate_integer_positive'),
  );
  return $form;
}

/**
 * Implements hook_field_widget_form().
 */
function ipay_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $base) {
  $element = $base;
  $element['ipay_sku_item'] = $base + array(
    '#type' => 'textfield',
    '#default_value' => isset($items[$delta]['ipay_sku_item']) ? $items[$delta]['ipay_sku_item'] : NULL,
    '#size' => $instance['widget']['settings']['size'],
    '#prefix' => '<div class="text-full-wrapper">',
    '#suffix' => '</div>',
  );
  return $element;
}
/**
* Permisos
*/
function ipay_permission()
{
  return array(
    'administer ipay settings' => array(
    'title' => t('Administer ipay configurations'),
    'restrict access' => true,
    )
  );
}
function ipay_admin()
{
  $form = array();
  // Configurar URL
  $form['ipay_url'] = array(
  '#type' => 'textfield',
  '#title' => t('URL'),
  '#default_value' => variable_get('ipay_url', ""),
  '#size' => 60,
  '#maxlength' => 250,
  '#description' => t("URL en el que tiene que realizarse el pago. (ejemplo: http://negotu.com/reservar/paquete/)"),
  '#required' => TRUE,
  );
  return system_settings_form($form);
}
function ipay_uninstall()
{
  variable_del('ipay_url');
}