smarty/plugins/function.html_options.php
changeset 0 c63de9eb7045
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smarty/plugins/function.html_options.php	Sun Mar 23 14:59:33 2008 -0400
@@ -0,0 +1,122 @@
+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+
+/**
+ * Smarty {html_options} function plugin
+ *
+ * Type:     function<br>
+ * Name:     html_options<br>
+ * Input:<br>
+ *           - 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
+ * Purpose:  Prints the list of <option> tags generated from
+ *           the passed parameters
+ * @link http://smarty.php.net/manual/en/language.function.html.options.php {html_image}
+ *      (Smarty online manual)
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @param array
+ * @param Smarty
+ * @return string
+ * @uses smarty_function_escape_special_chars()
+ */
+function smarty_function_html_options($params, &$smarty)
+{
+    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
+    
+    $name = null;
+    $values = null;
+    $options = null;
+    $selected = array();
+    $output = null;
+    
+    $extra = '';
+    
+    foreach($params as $_key => $_val) {
+        switch($_key) {
+            case 'name':
+                $$_key = (string)$_val;
+                break;
+            
+            case 'options':
+                $$_key = (array)$_val;
+                break;
+                
+            case 'values':
+            case 'output':
+                $$_key = array_values((array)$_val);
+                break;
+
+            case 'selected':
+                $$_key = array_map('strval', array_values((array)$_val));
+                break;
+                
+            default:
+                if(!is_array($_val)) {
+                    $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
+                } else {
+                    $smarty->trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
+                }
+                break;
+        }
+    }
+
+    if (!isset($options) && !isset($values))
+        return ''; /* raise error here? */
+
+    $_html_result = '';
+
+    if (isset($options)) {
+        
+        foreach ($options as $_key=>$_val)
+            $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
+
+    } else {
+        
+        foreach ($values as $_i=>$_key) {
+            $_val = isset($output[$_i]) ? $output[$_i] : '';
+            $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
+        }
+
+    }
+
+    if(!empty($name)) {
+        $_html_result = '<select name="' . $name . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
+    }
+
+    return $_html_result;
+
+}
+
+function smarty_function_html_options_optoutput($key, $value, $selected) {
+    if(!is_array($value)) {
+        $_html_result = '<option label="' . smarty_function_escape_special_chars($value) . '" value="' .
+            smarty_function_escape_special_chars($key) . '"';
+        if (in_array((string)$key, $selected))
+            $_html_result .= ' selected="selected"';
+        $_html_result .= '>' . smarty_function_escape_special_chars($value) . '</option>' . "\n";
+    } else {
+        $_html_result = smarty_function_html_options_optgroup($key, $value, $selected);
+    }
+    return $_html_result;
+}
+
+function smarty_function_html_options_optgroup($key, $values, $selected) {
+    $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
+    foreach ($values as $key => $value) {
+        $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected);
+    }
+    $optgroup_html .= "</optgroup>\n";
+    return $optgroup_html;
+}
+
+/* vim: set expandtab: */
+
+?>