inc/smarty/plugins/function.html_options.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8
   9 /**
  10  * Smarty {html_options} function plugin
  11  *
  12  * Type:     function<br>
  13  * Name:     html_options<br>
  14  * Input:<br>
  15  *           - name       (optional) - string default "select"
  16  *           - values     (required if no options supplied) - array
  17  *           - options    (required if no values supplied) - associative array
  18  *           - selected   (optional) - string default not set
  19  *           - output     (required if not options supplied) - array
  20  * Purpose:  Prints the list of <option> tags generated from
  21  *           the passed parameters
  22  * @link http://smarty.php.net/manual/en/language.function.html.options.php {html_image}
  23  *      (Smarty online manual)
  24  * @param array
  25  * @param Smarty
  26  * @return string
  27  * @uses smarty_function_escape_special_chars()
  28  */
  29 function smarty_function_html_options($params, &$smarty)
  30 {
  31    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
  32
  33    $name = null;
  34    $values = null;
  35    $options = null;
  36    $selected = array();
  37    $output = null;
  38
  39    $extra = '';
  40
  41         foreach($params as $_key => $_val) {
  42                 switch($_key) {
  43                         case 'name':
  44                         $$_key = (string)$_val;
  45                         break;
  46
  47                 case 'options':
  48                         $$_key = (array)$_val;
  49                         break;
  50
  51                 case 'selected':
  52                 case 'values':
  53                 case 'output':
  54                         $$_key = array_values((array)$_val);
  55                         break;
  56
  57                 default:
  58                         if(!is_array($_val)) {
  59                                 $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
  60                         } else {
  61                                 $smarty->trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
  62                         }
  63                         break;
  64                 }
  65         }
  66
  67    if (!isset($options) && !isset($values))
  68       return ''; /* raise error here? */
  69
  70    $_html_result = '';
  71
  72    if (is_array($options)) {
  73
  74       foreach ($options as $_key=>$_val)
  75          $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
  76
  77    } else {
  78
  79       foreach ((array)$values as $_i=>$_key) {
  80          $_val = isset($output[$_i]) ? $output[$_i] : '';
  81          $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
  82       }
  83
  84    }
  85
  86    if(!empty($name)) {
  87       $_html_result = '<select name="' . $name . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
  88    }
  89
  90    return $_html_result;
  91
  92 }
  93
  94 function smarty_function_html_options_optoutput($key, $value, $selected) {
  95    if(!is_array($value)) {
  96       $_html_result = '<option label="' . smarty_function_escape_special_chars($value) . '" value="' .
  97          smarty_function_escape_special_chars($key) . '"';
  98       if (in_array($key, $selected))
  99          $_html_result .= ' selected="selected"';
 100       $_html_result .= '>' . smarty_function_escape_special_chars($value) . '</option>' . "\n";
 101    } else {
 102       $_html_result = smarty_function_html_options_optgroup($key, $value, $selected);
 103    }
 104    return $_html_result;
 105 }
 106
 107 function smarty_function_html_options_optgroup($key, $values, $selected) {
 108    $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
 109    foreach ($values as $key => $value) {
 110       $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected);
 111    }
 112    $optgroup_html .= "</optgroup>\n";
 113    return $optgroup_html;
 114 }
 115
 116 /* vim: set expandtab: */
 117
 118 ?>