<?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)
* @author Monte Ohrt <monte at ohrt dot com>
* @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: */
?>
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