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