Changeset 1151:088d6e96adb4

Timestamp:

04/02/13 13:02:27 (12 years ago)

Author:

Dsls <dsls@…>

Branch:

twig

Message:

Add proxy class for context

File:

• inc/admin/class.dc.admincontext.php (modified) (3 diffs)

inc/admin/class.dc.admincontext.php

@@ -12 +12 @@
 if (!defined('DC_RC_PATH')) { return; }
 
+
+class dcProxy {
+     protected $object;
+     protected $attributes;
+     protected $methods;
+     protected $default;
+     protected $denyfirst;
+
+    /**
+     * valuesToArray - converts a list of strings to an array having these strings as keys.
+     * 
+     * @param mixed $val the list to convert.
+     * @access protected
+     * @return mixed Value The resulting array
+     */
+     protected function valuesToArray($val) {
+          $arr = array();
+          foreach ($val as $k) {
+               $arr[$k]=true;
+          }
+          return $arr;
+     }
+
+     protected function isAllowed ($name,$list) {
+          if ($this->denyfirst) {
+               return isset($list[$name]);
+          } else {
+               return !isset($list[$name]);
+          }
+     }
+
+     public function __construct($object,$rights,$default='',$denyfirst=true) {
+          $this->object = $object;
+          $this->attributes = array();
+          $this->methods = array();
+          $this->denyfirst = $denyfirst;
+          if (isset($rights['attr'])) {
+               $this->attributes = $this->valuesToArray($rights['attr']);
+          }
+          if (isset($rights['methods'])) {
+               $this->methods = $this->valuesToArray($rights['methods']);
+          }
+     }
+
+     public function __get($name) {
+          if ($this->isAllowed($name,$this->attributes)) {
+               return $this->object->$name;
+          } else {
+               return $this->default;
+          }
+     }
+
+     public function __call($name,$args) {
+          if ($this->isAllowed($name,$this->methods) &&
+               is_callable(array($this->object,$name))) {
+               return call_user_func_array(array($this->object,$name),$args);
+          } else {
+               return $this->default;
+          }
+
+     }
+}
+
+class dcArrayProxy extends dcProxy implements ArrayAccess {
+     public function offsetExists ($offset) {
+          return (isset($this->value[$offset]));
+     }
+     public function offsetGet ($offset) {
+          return new ProxyValue($this->object[$offset],$this->rights);
+     }
+     public function offsetSet ($offset ,$value ) {
+          // Do nothing, we are read only
+     }
+     public function offsetUnset ($offset) {
+          // Do nothing, we are read only
+     }
+}
+
+
 /**
 @ingroup DC_CORE
@@ -297 +376 @@
                while ($rs_blogs->fetch()) {
                     $blogs[$rs_blogs->blog_id] = $rs_blogs->blog_name.' - '.$rs_blogs->blog_url;
-                    $this->protected_globals['blogs'][$rs_blogs->blog_id] = array(
-                         'id'      => $rs_blogs->blog_id,
-                         'name'    => $rs_blogs->blog_name,
-                         'desc'    => $rs_blogs->blog_desc,
-                         'url'     => $rs_blogs->blog_url,
-                         'creadt'  => $rs_blogs->blog_creadt,
-                         'upddt'   => $rs_blogs->blog_upddt
-                    );
+                    $this->protected_globals['blogs'][$rs_blogs->blog_id] = 
+                    new dcArrayProxy($rs_blogs, array(
+                         'blog_id','blog_name','blog_desc','blog_url','blog_creadt','blog_upddt'));
                }
           }
@@ -326 +400 @@
      {
           $this->protected_globals['current_blog'] = $this->core->auth->blog_count ?
-               array(
-                    'id'      => $this->core->blog->id,
-                    'name'    => $this->core->blog->name,
-                    'desc'    => $this->core->blog->desc,
-                    'url'     => $this->core->blog->url,
-                    'host'    => $this->core->blog->host,
-                    'creadt'  => $this->core->blog->creadt,
-                    'upddt'   => $this->core->blog->upddt
-               ) : array(
+               new dcProxy($this->core->blog,array(
+                    'id','name','desc','url','host','creadt','upddt'
+               )) : array(
                     'id'      => '',
                     'name'    => '',