<?php
/**
* gTemplate Plugins
*
* @package gTemplate
* @subpackage Plugins
*/
/**
* gTemplate {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>
*
* @version 1.0
* @author Tamas David (G-Lex) <glex at mittudomain.info>
* @link https://github.com/glex86/g-template-php G-Template Engine on Github
*
* @internal Some source codes are taken from Smarty
* @internal author Monte Ohrt <monte at ohrt dot com>
* @internal author Ralf Strehle (minor optimization) <ralf dot strehle at yahoo dot de>
* @internal link http://smarty.net Smarty
*/
function tpl_function_html_options($params, &$gTpl) {
require_once('shared.escape_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) {
$_sel = tpl_escape_chars((string) $_sel);
$selected[$_sel] = true;
}
} else {
$selected = tpl_escape_chars((string) $_val);
}
break;
case 'disabled':
case 'readonly':
if (!is_scalar($_val)) {
$gTpl->trigger_error("[SYNTAX] $_key attribute must be a scalar, only boolean true or string '$_key' will actually add the attribute in 'html_options' tag", E_USER_NOTICE, $gTpl->_file, $gTpl->_linenum);
}
if ($_val === true || $_val === $_key) {
$extra .= ' ' . $_key . '="' . tpl_escape_chars($_key) . '"';
}
break;
default:
if (!is_array($_val)) {
$extra .= ' ' . $_key . '="' . tpl_escape_chars($_val) . '"';
} else {
$gTpl->trigger_error("[SYNTAX] extra attribute '$_key' cannot be an array in 'html_options' tag", E_USER_NOTICE, $gTpl->_file, $gTpl->_linenum);
}
break;
}
}
if (!isset($options) && !isset($values)) {
/* raise error here? */
return '';
}
$_html_result = '';
$_idx = 0;
if (isset($options)) {
foreach ($options as $_key => $_val) {
$_html_result .= tpl_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx);
}
} else {
foreach ($values as $_i => $_key) {
$_val = isset($output[$_i]) ? $output[$_i] : '';
$_html_result .= tpl_function_html_options_optoutput($_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 $_html_result;
}
function tpl_function_html_options_optoutput($key, $value, $selected, $id, $class, &$idx) {
if (!is_array($value)) {
$_key = tpl_escape_chars($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 . '"' : '';
$value = tpl_escape_chars((string) $value);
$_html_result .= $_html_class . $_html_id . '>' . $value . '</option>' . "\n";
$idx ++;
} else {
$_idx = 0;
$_html_result = tpl_function_html_options_optgroup($key, $value, $selected, !empty($id) ? ($id . '-' . $idx) : null, $class, $_idx);
$idx ++;
}
return $_html_result;
}
function tpl_function_html_options_optgroup($key, $values, $selected, $id, $class, &$idx) {
$optgroup_html = '<optgroup label="' . tpl_escape_chars($key) . '">' . "\n";
foreach ($values as $key => $value) {
$optgroup_html .= tpl_function_html_options_optoutput($key, $value, $selected, $id, $class, $idx);
}
$optgroup_html .= "</optgroup>\n";
return $optgroup_html;
}
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