<?php
class am_signup_handler_field_ops extends views_handler_field {

  function query() {
    // do nothing -- to override the parent query.
  }

  function render( $v ) {
    $tokens = $this->get_render_tokens($v);
    $tokens = array_map('strip_tags',$tokens);
    return l(
        t('remove'),
        strtr('am_signup/remove/' . $this->options['nid_token'] . '/' . $this->options['uid_token'],$tokens),
        array('attributes' => array('class'=> 'am-signup-remove-link'))
    );
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['alter']['contains']['alter_text'] = array('default' => TRUE);
    $options['uid_token'] = array('default' => $this->definition['uid_token']);
    $options['nid_token'] = array('default' => $this->definition['nid_token']);
    return $options;
  }
  function options_form(&$form, &$form_state) {
    $tokens = array_keys($this->get_render_tokens());
    $tokens = array_combine($tokens,$tokens);
    $form['uid_token'] = array(
      '#title'=> 'User ID Field',
      '#type' => 'select',
      '#options' => $tokens,
      '#default_value' => $this->options['uid_token']
    );

    $form['nid_token'] = array(
      '#title'=> 'Shift NID Field',
      '#type' => 'select',
      '#options' => $tokens,
      '#default_value' => $this->options['nid_token']
    );
    parent::options_form( $form, $form_state);

  }
}