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<?php/**
 * Smarty plugin
 *
 * @package Smarty
 * @subpackage PluginsFunction
 */
 
 /**
 * Smarty {html_checkboxes} function plugin
 *
 * File:       function.html_checkboxes.php<br>
 * Type:       function<br>
 * Name:       html_checkboxes<br>
 * Date:       24.Feb.2003<br>
 * Purpose:    Prints out a list of checkbox input types<br>
 * Examples:
 * <pre>
 * {html_checkboxes values=$ids output=$names}
 * {html_checkboxes values=$ids name='box' separator='<br>' output=$names}
 * {html_checkboxes values=$ids checked=$checked separator='<br>' output=$names}
 * </pre>
 * Params:
 * <pre>
 * - name       (optional) - string default "checkbox"
 * - values     (required) - array
 * - options    (optional) - associative array
 * - checked    (optional) - array default not set
 * - separator  (optional) - ie <br> or  
 * - output     (optional) - the output next to each checkbox
 * - assign     (optional) - assign the output as an array to this variable
 * - escape     (optional) - escape the content (not value), defaults to true
 * </pre>
 *
 * @link http://www.smarty.net/manual/en/language.function.html.checkboxes.php {html_checkboxes}
 *      (Smarty online manual)
 * @author     Christopher Kvarme <[email protected]>
 * @author credits to Monte Ohrt <monte at ohrt dot com>
 * @version    1.0
 * @param array $params parameters
 * @param object $template template object
 * @return string
 * @uses smarty_function_escape_special_chars()
 */
 function smarty_function_html_checkboxes($params, $template)
 {
 require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
 
 $name = 'checkbox';
 $values = null;
 $options = null;
 $selected = array();
 $separator = '';
 $escape = true;
 $labels = true;
 $label_ids = false;
 $output = null;
 
 $extra = '';
 
 foreach ($params as $_key => $_val) {
 switch ($_key) {
 case 'name':
 case 'separator':
 $$_key = (string) $_val;
 break;
 
 case 'escape':
 case 'labels':
 case 'label_ids':
 $$_key = (bool) $_val;
 break;
 
 case 'options':
 $$_key = (array) $_val;
 break;
 
 case 'values':
 case 'output':
 $$_key = array_values((array) $_val);
 break;
 
 case 'checked':
 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) $_sel->__toString());
 } else {
 trigger_error("html_checkboxes: selected attribute contains an object of class '". get_class($_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) $_val->__toString());
 } else {
 trigger_error("html_checkboxes: selected attribute is an object of class '". get_class($_val) ."' without __toString() method", E_USER_NOTICE);
 }
 } else {
 $selected = smarty_function_escape_special_chars((string) $_val);
 }
 break;
 
 case 'checkboxes':
 trigger_error('html_checkboxes: the use of the "checkboxes" attribute is deprecated, use "options" instead', E_USER_WARNING);
 $options = (array) $_val;
 break;
 
 case 'assign':
 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($_val).'"';
 } else {
 trigger_error("html_checkboxes: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
 }
 break;
 }
 }
 
 if (!isset($options) && !isset($values))
 return ''; /* raise error here? */
 
 $_html_result = array();
 
 if (isset($options)) {
 foreach ($options as $_key=>$_val) {
 $_html_result[] = smarty_function_html_checkboxes_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_ids, $escape);
 }
 } else {
 foreach ($values as $_i=>$_key) {
 $_val = isset($output[$_i]) ? $output[$_i] : '';
 $_html_result[] = smarty_function_html_checkboxes_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_ids, $escape);
 }
 }
 
 if (!empty($params['assign'])) {
 $template->assign($params['assign'], $_html_result);
 } else {
 return implode("\n", $_html_result);
 }
 
 }
 
 function smarty_function_html_checkboxes_output($name, $value, $output, $selected, $extra, $separator, $labels, $label_ids, $escape=true)
 {
 $_output = '';
 
 if (is_object($value)) {
 if (method_exists($value, "__toString")) {
 $value = (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 = (string) $value;
 }
 
 if (is_object($output)) {
 if (method_exists($output, "__toString")) {
 $output = (string) $output->__toString();
 } else {
 trigger_error("html_options: output is an object of class '". get_class($output) ."' without __toString() method", E_USER_NOTICE);
 
 return '';
 }
 } else {
 $output = (string) $output;
 }
 
 if ($labels) {
 if ($label_ids) {
 $_id = smarty_function_escape_special_chars(preg_replace('![^\w\-\.]!' . Smarty::$_UTF8_MODIFIER, '_', $name . '_' . $value));
 $_output .= '<label for="' . $_id . '">';
 } else {
 $_output .= '<label>';
 }
 }
 
 $name = smarty_function_escape_special_chars($name);
 $value = smarty_function_escape_special_chars($value);
 if ($escape) {
 $output = smarty_function_escape_special_chars($output);
 }
 
 $_output .= '<input type="checkbox" name="' . $name . '[]" value="' . $value . '"';
 
 if ($labels && $label_ids) {
 $_output .= ' id="' . $_id . '"';
 }
 
 if (is_array($selected)) {
 if (isset($selected[$value])) {
 $_output .= ' checked="checked"';
 }
 } elseif ($value === $selected) {
 $_output .= ' checked="checked"';
 }
 
 $_output .= $extra . ' />' . $output;
 if ($labels) {
 $_output .= '</label>';
 }
 
 $_output .=  $separator;
 
 return $_output;
 }
 
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