source: branches/dev/data/module/Smarty/libs/plugins/function.html_options.php @ 8

Revision 8, 3.7 KB checked in by root, 17 years ago (diff)

new import

Line 
1<?php
2/**
3 * Smarty plugin
4 * @package Smarty
5 * @subpackage plugins
6 */
7
8
9/**
10 * Smarty {html_options} function plugin
11 *
12 * Type:     function<br>
13 * Name:     html_options<br>
14 * Input:<br>
15 *           - name       (optional) - string default "select"
16 *           - values     (required if no options supplied) - array
17 *           - options    (required if no values supplied) - associative array
18 *           - selected   (optional) - string default not set
19 *           - output     (required if not options supplied) - array
20 * Purpose:  Prints the list of <option> tags generated from
21 *           the passed parameters
22 * @link http://smarty.php.net/manual/en/language.function.html.options.php {html_image}
23 *      (Smarty online manual)
24 * @author Monte Ohrt <monte at ohrt dot com>
25 * @param array
26 * @param Smarty
27 * @return string
28 * @uses smarty_function_escape_special_chars()
29 */
30function smarty_function_html_options($params, &$smarty)
31{
32    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
33   
34    $name = null;
35    $values = null;
36    $options = null;
37    $selected = array();
38    $output = null;
39   
40    $extra = '';
41   
42    foreach($params as $_key => $_val) {
43        switch($_key) {
44            case 'name':
45                $$_key = (string)$_val;
46                break;
47           
48            case 'options':
49                $$_key = (array)$_val;
50                break;
51               
52            case 'values':
53            case 'output':
54                $$_key = array_values((array)$_val);
55                break;
56
57            case 'selected':
58                $$_key = array_map('strval', array_values((array)$_val));
59                break;
60               
61            default:
62                if(!is_array($_val)) {
63                    $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
64                } else {
65                    $smarty->trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
66                }
67                break;
68        }
69    }
70
71    if (!isset($options) && !isset($values))
72        return ''; /* raise error here? */
73
74    $_html_result = '';
75
76    if (isset($options)) {
77       
78        foreach ($options as $_key=>$_val)
79            $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
80
81    } else {
82       
83        foreach ($values as $_i=>$_key) {
84            $_val = isset($output[$_i]) ? $output[$_i] : '';
85            $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
86        }
87
88    }
89
90    if(!empty($name)) {
91        $_html_result = '<select name="' . $name . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
92    }
93
94    return $_html_result;
95
96}
97
98function smarty_function_html_options_optoutput($key, $value, $selected) {
99    if(!is_array($value)) {
100        $_html_result = '<option label="' . smarty_function_escape_special_chars($value) . '" value="' .
101            smarty_function_escape_special_chars($key) . '"';
102        if (in_array((string)$key, $selected))
103            $_html_result .= ' selected="selected"';
104        $_html_result .= '>' . smarty_function_escape_special_chars($value) . '</option>' . "\n";
105    } else {
106        $_html_result = smarty_function_html_options_optgroup($key, $value, $selected);
107    }
108    return $_html_result;
109}
110
111function smarty_function_html_options_optgroup($key, $values, $selected) {
112    $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
113    foreach ($values as $key => $value) {
114        $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected);
115    }
116    $optgroup_html .= "</optgroup>\n";
117    return $optgroup_html;
118}
119
120/* vim: set expandtab: */
121
122?>
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