<?php

/**
 * @file flag_lists_handler_field_template_types.inc
 * Field handler to provide a list of template node types.
 */
class flag_lists_handler_field_template_types extends views_handler_field_prerender_list {
  function construct() {
    parent::construct();
    $this->additional_fields['name'] = array('table' => 'flag', 'field' => 'name');
  }

  function query() {
    $this->add_additional_fields();
    $this->field_alias = $this->aliases['name'];
  }

  function pre_render(&$values) {
    $names = array();
    $this->items = array();

    foreach ($values as $result) {
      $names[] = $result->{$this->aliases['name']};
    }

    if (count($names)) {
      $query = db_select('flag_lists_types', 'flt');
      $query->innerJoin('flag', 'f', 'flt.name = f.name');
      $result = $query->fields('flt', array('type', 'name'))
        ->condition('f.name', $names, 'IN')
        ->orderBy('flt.type')
        ->execute();
      foreach ($result as $type) {
        $this->items[$type->name][$type->type] = check_plain($type->type);
      }
    }
  }

  function render($values) {
    $field = $values->{$this->field_alias};
    if (!empty($this->items[$field])) {
      if ($this->options['type'] == 'separator') {
        return implode($this->sanitize_value($this->options['separator']), $this->items[$field]);
      }
      else {
        return theme('item_list',
          array(
            'items' => $this->items[$field],
            'title' => NULL,
            'type' => $this->options['type']
          ));
      }
    }
  }

  function get_value($values, $field = NULL, $raw = FALSE) {
    if ($raw) {
      return parent::get_value($values, $field);
    }
    $item = $this->get_items($values);
    $item = (array) $item;
    if (isset($field) && isset($item[$field])) {
      return $item[$field];
    }
    return $item;
  }
}