<?php

/**
 * @file
 * Support for the Link module.
 */

/**
 * Field handler.
 */
class MigrateLinkFieldHandler extends MigrateFieldHandler {
  public function __construct() {
    $this->registerTypes(array('link'));
  }

  public function prepare(stdClass $entity, array $instance, array $values) {
    if (isset($values['arguments'])) {
      $arguments = $values['arguments'];
      unset($values['arguments']);
    }
    else {
      $arguments = array();
    }

    // Setup the standard Field API array for saving.
    $delta = 0;
    $return = array();
    foreach ($values as $value) {
      // Don't save empty references
      if ($value) {
        $pos = strpos($value, '|');
        if ($pos){
          $return[$delta]['url'] = substr($value, 0, $pos);
          $return[$delta]['title'] = substr($value, $pos+1);
        }else {
          $return[$delta]['url'] = $value;
        }
        $delta++;
      }
    }
    return $return;
  }
}