library/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 'values':
  52             case 'output':
  53                 $$_key = array_values((array)$_val);
  54                 break;
  55
  56             case 'selected':
  57                 $$_key = array_map('strval', array_values((array)$_val));
  58                 break;
  59
  60             default:
  61                 if(!is_array($_val)) {
  62                     $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
  63                 } else {
  64                     $smarty->trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
  65                 }
  66                 break;
  67         }
  68     }
  69
  70     if (!isset($options) && !isset($values))
  71         return ''; /* raise error here? */
  72
  73     $_html_result = '';
  74
  75     if (is_array($options)) {
  76
  77         foreach ($options as $_key=>$_val) {
  78                         if (!empty($_val)) {
  79                 $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
  80                         }
  81                 }
  82
  83     } else {
  84
  85         foreach ((array)$values as $_i=>$_key) {
  86             $_val = isset($output[$_i]) ? $output[$_i] : '';
  87             $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
  88         }
  89
  90     }
  91
  92     if(!empty($name)) {
  93         $_html_result = '<select name="' . $name . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
  94     }
  95
  96     return $_html_result;
  97
  98 }
  99
 100 function smarty_function_html_options_optoutput($key, $value, $selected) {
 101     if(!is_array($value)) {
 102         $_html_result = '<option label="' . smarty_function_escape_special_chars($value) . '" value="' .
 103             smarty_function_escape_special_chars($key) . '"';
 104         if (in_array((string)$key, $selected))
 105             $_html_result .= ' selected="selected"';
 106         $_html_result .= '>' . smarty_function_escape_special_chars($value) . '</option>' . "\n";
 107     } else {
 108         $_html_result = smarty_function_html_options_optgroup($key, $value, $selected);
 109     }
 110     return $_html_result;
 111 }
 112
 113 function smarty_function_html_options_optgroup($key, $values, $selected) {
 114     $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
 115     foreach ($values as $key => $value) {
 116         $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected);
 117     }
 118     $optgroup_html .= "</optgroup>\n";
 119     return $optgroup_html;
 120 }
 121
 122 /* vim: set expandtab: */
 123
 124 ?>