<?php
/**
 * Field handler to provide simple renderer that allows using a themed user link
 */
class tweak_handler_field_user_picture_preset extends views_handler_field_user_picture {

  function option_definition() {
    $options = parent::option_definition();
    $options['preset'] = array(
      'default' => $this->definition['title'],
      'translatable' => FALSE,
    );
    return $options;
  }

  /**
   * Choose a preset
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $options = array('0' => t('None'));
    foreach (imagecache_presets() as $pid => $preset) {
      $options[$pid] = $preset['presetname'];
    }
    $form['preset'] = array(
      '#type' => 'select',
      '#title' => t('Imagecache preset'),
      '#options' => $options,
      '#default_value' => $this->options['preset'],
    );

    if (!empty($form_state['exposed'])) {
      $identifier = $this->options['expose']['identifier'];
      if (!isset($form_state['input'][$identifier])) {
        $form_state['input'][$identifier] = $this->value;
      }
    }
  }

  function admin_summary() {
    $pid = $this->options['preset'];
    if ($pid) {
      $preset = imagecache_preset($pid);
      $ret = $preset['presetname'];
    }
    else {
      $ret = t('Raw');
    }
    return $ret;
  }

  function render($values) {
    $pid = $this->options['preset'];
    if ($pid) {
      $preset = imagecache_preset($pid);
      return theme_imagecache($preset['presetname'], $values->{$this->field_alias});
    }
    else {
      return parent::render($values);
    }
  }
}