<?php
/**
* Smarty plugin
*
* @package Smarty
* @subpackage PluginsFunction
*/
/**
* Smarty {html_options} function plugin
*
* Type: function<br>
* Name: html_options<br>
* Purpose: Prints the list of <option> tags generated from
* the passed parameters<br>
* Params:
* <pre>
* - 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
* - id (optional) - string default not set
* - class (optional) - string default not set
* </pre>
*
* @link http://www.smarty.net/manual/en/language.function.html.options.php {html_image}
* (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com>
* @author Ralf Strehle (minor optimization) <ralf dot strehle at yahoo dot de>
* @param array $params parameters
* @param Smarty_Internal_Template $template template object
* @return string
* @uses smarty_function_escape_special_chars()
*/
function smarty_function_html_options($params, $template)
{
require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
$name = null;
$values = null;
$options = null;
$selected = null;
$output = null;
$id = null;
$class = null;
$extra = '';
foreach ($params as $_key => $_val) {
switch ($_key) {
case 'name':
case 'class':
case 'id':
$$_key = (string) $_val;
break;
case 'options':
$options = (array) $_val;
break;
case 'values':
case 'output':
$$_key = array_values((array) $_val);
break;
case 'selected':
if (is_array($_val)) {
$selected = array();
foreach ($_val as $_sel) {
if (is_object($_sel)) {
if (method_exists($_sel, "__toString")) {
$_sel = smarty_function_escape_special_chars((string) $_sel->__toString());
} else {
trigger_error("html_options: selected attribute contains an object of class '". get_class($_sel) ."' without __toString() method", E_USER_NOTICE);
continue;
}
} else {
$_sel = smarty_function_escape_special_chars((string) $_sel);
}
$selected[$_sel] = true;
}
} elseif (is_object($_val)) {
if (method_exists($_val, "__toString")) {
$selected = smarty_function_escape_special_chars((string) $_val->__toString());
} else {
trigger_error("html_options: selected attribute is an object of class '". get_class($_val) ."' without __toString() method", E_USER_NOTICE);
}
} else {
$selected = smarty_function_escape_special_chars((string) $_val);
}
break;
case 'strict': break;
case 'disabled':
case 'readonly':
if (!empty($params['strict'])) {
if (!is_scalar($_val)) {
trigger_error("html_options: $_key attribute must be a scalar, only boolean true or string '$_key' will actually add the attribute", E_USER_NOTICE);
}
if ($_val === true || $_val === $_key) {
$extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_key) . '"';
}
break;
}
// omit break; to fall through!
default:
if (!is_array($_val)) {
$extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
} else {
trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
}
break;
}
}
if (!isset($options) && !isset($values)) {
/* raise error here? */
return '';
}
$_html_result = '';
$_idx = 0;
if (isset($options)) {
foreach ($options as $_key => $_val) {
$_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx);
}
} else {
foreach ($values as $_i => $_key) {
$_val = isset($output[$_i]) ? $output[$_i] : '';
$_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx);
}
}
if (!empty($name)) {
$_html_class = !empty($class) ? ' class="'.$class.'"' : '';
$_html_id = !empty($id) ? ' id="'.$id.'"' : '';
$_html_result = '<select name="' . $name . '"' . $_html_class . $_html_id . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
}
return $_html_result;
}
function smarty_function_html_options_optoutput($key, $value, $selected, $id, $class, &$idx)
{
if (!is_array($value)) {
$_key = smarty_function_escape_special_chars($key);
$_html_result = '<option value="' . $_key . '"';
if (is_array($selected)) {
if (isset($selected[$_key])) {
$_html_result .= ' selected="selected"';
}
} elseif ($_key === $selected) {
$_html_result .= ' selected="selected"';
}
$_html_class = !empty($class) ? ' class="'.$class.' option"' : '';
$_html_id = !empty($id) ? ' id="'.$id.'-'.$idx.'"' : '';
if (is_object($value)) {
if (method_exists($value, "__toString")) {
$value = smarty_function_escape_special_chars((string) $value->__toString());
} else {
trigger_error("html_options: value is an object of class '". get_class($value) ."' without __toString() method", E_USER_NOTICE);
return '';
}
} else {
$value = smarty_function_escape_special_chars((string) $value);
}
$_html_result .= $_html_class . $_html_id . '>' . $value . '</option>' . "\n";
$idx++;
} else {
$_idx = 0;
$_html_result = smarty_function_html_options_optgroup($key, $value, $selected, !empty($id) ? ($id.'-'.$idx) : null, $class, $_idx);
$idx++;
}
return $_html_result;
}
function smarty_function_html_options_optgroup($key, $values, $selected, $id, $class, &$idx)
{
$optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
foreach ($values as $key => $value) {
$optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected, $id, $class, $idx);
}
$optgroup_html .= "</optgroup>\n";
return $optgroup_html;
}
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