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function.html_options.php in Quiz 6.5

Same filename and directory in other branches
  1. 6.6 includes/moodle/lib/smarty/plugins/function.html_options.php

File

includes/moodle/lib/smarty/plugins/function.html_options.php
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<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty {html_options} function plugin
 *
 * Type:     function<br>
 * Name:     html_options<br>
 * Input:<br>
 *           - name       (optional) - string default "select"
 *           - values     (required if no options supplied) - array
 *           - options    (required if no values supplied) - associative array
 *           - selected   (optional) - string default not set
 *           - output     (required if not options supplied) - array
 * Purpose:  Prints the list of <option> tags generated from
 *           the passed parameters
 * @link http://smarty.php.net/manual/en/language.function.html.options.php {html_image}
 *      (Smarty online manual)
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_function_escape_special_chars()
 */
function smarty_function_html_options($params, &$smarty) {
  require_once $smarty
    ->_get_plugin_filepath('shared', 'escape_special_chars');
  $name = null;
  $values = null;
  $options = null;
  $selected = array();
  $output = null;
  $extra = '';
  foreach ($params as $_key => $_val) {
    switch ($_key) {
      case 'name':
        ${$_key} = (string) $_val;
        break;
      case 'options':
        ${$_key} = (array) $_val;
        break;
      case 'values':
      case 'output':
        ${$_key} = array_values((array) $_val);
        break;
      case 'selected':
        ${$_key} = array_map('strval', array_values((array) $_val));
        break;
      default:
        if (!is_array($_val)) {
          $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
        }
        else {
          $smarty
            ->trigger_error("html_options: extra attribute '{$_key}' cannot be an array", E_USER_NOTICE);
        }
        break;
    }
  }
  if (!isset($options) && !isset($values)) {
    return '';
  }

  /* raise error here? */
  $_html_result = '';
  if (isset($options)) {
    foreach ($options as $_key => $_val) {
      $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
    }
  }
  else {
    foreach ($values as $_i => $_key) {
      $_val = isset($output[$_i]) ? $output[$_i] : '';
      $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
    }
  }
  if (!empty($name)) {
    $_html_result = '<select name="' . $name . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
  }
  return $_html_result;
}
function smarty_function_html_options_optoutput($key, $value, $selected) {
  if (!is_array($value)) {
    $_html_result = '<option label="' . smarty_function_escape_special_chars($value) . '" value="' . smarty_function_escape_special_chars($key) . '"';
    if (in_array((string) $key, $selected)) {
      $_html_result .= ' selected="selected"';
    }
    $_html_result .= '>' . smarty_function_escape_special_chars($value) . '</option>' . "\n";
  }
  else {
    $_html_result = smarty_function_html_options_optgroup($key, $value, $selected);
  }
  return $_html_result;
}
function smarty_function_html_options_optgroup($key, $values, $selected) {
  $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
  foreach ($values as $key => $value) {
    $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected);
  }
  $optgroup_html .= "</optgroup>\n";
  return $optgroup_html;
}

/* vim: set expandtab: */