Bugfix: Warning because of undefined constant

[friendica.git] / include / friendica_smarty.php

diff --git a/include/friendica_smarty.php b/include/friendica_smarty.php
index f9d91a827d01e58e4bb83985d1dbace330e3fc24..99dc12bf8d9a27c96d6a2b79bed01e9939ad2aa0 100644 (file)
--- a/include/friendica_smarty.php
+++ b/include/friendica_smarty.php
@@ -2,6 +2,9 @@
 
 require_once "object/TemplateEngine.php";
 require_once("library/Smarty/libs/Smarty.class.php");
+require_once "include/plugin.php";
+
+define('SMARTY3_TEMPLATE_FOLDER','templates');
 
 class FriendicaSmarty extends Smarty {
        public $filename;
@@ -14,10 +17,10 @@ class FriendicaSmarty extends Smarty {
 
                // setTemplateDir can be set to an array, which Smarty will parse in order.
                // The order is thus very important here
-               $template_dirs = array('theme' => "view/theme/$theme/smarty3/");
+               $template_dirs = array('theme' => "view/theme/$theme/".SMARTY3_TEMPLATE_FOLDER."/");
                if( x($a->theme_info,"extends") )
-                       $template_dirs = $template_dirs + array('extends' => "view/theme/".$a->theme_info["extends"]."/smarty3/");
-               $template_dirs = $template_dirs + array('base' => 'view/smarty3/');
+                       $template_dirs = $template_dirs + array('extends' => "view/theme/".$a->theme_info["extends"]."/".SMARTY3_TEMPLATE_FOLDER."/");
+               $template_dirs = $template_dirs + array('base' => "view/".SMARTY3_TEMPLATE_FOLDER."/");
                $this->setTemplateDir($template_dirs);
 
                $this->setCompileDir('view/smarty3/compiled/');
@@ -37,12 +40,19 @@ class FriendicaSmarty extends Smarty {
                }
                return $this->fetch('file:' . $this->filename);
        }
-       
+
 
 }
 
 class FriendicaSmartyEngine implements ITemplateEngine {
        static $name ="smarty3";
+
+    public function __construct(){
+               if(!is_writable('view/smarty3/')){
+                       echo "<b>ERROR:</b> folder <tt>view/smarty3/</tt> must be writable by webserver."; killme();
+               }
+       }
+
        // ITemplateEngine interface
        public function replace_macros($s, $r) {
                $template = '';
@@ -50,18 +60,27 @@ class FriendicaSmartyEngine implements ITemplateEngine {
                        $template = $s;
                        $s = new FriendicaSmarty();
                }
+
+               // "middleware": inject variables into templates
+               $arr = array(
+                       "template"=> basename($s->filename),
+                       "vars" => $r
+               );
+               call_hooks("template_vars", $arr);
+               $r = $arr['vars'];
+
                foreach($r as $key=>$value) {
                        if($key[0] === '$') {
                                $key = substr($key, 1);
                        }
                        $s->assign($key, $value);
                }
-               return $s->parsed($template);           
+               return $s->parsed($template);
        }
-       
+
        public function get_template_file($file, $root=''){
                $a = get_app();
-               $template_file = get_template_file($a, 'smarty3/' . $file, $root);
+               $template_file = get_template_file($a, SMARTY3_TEMPLATE_FOLDER.'/'.$file, $root);
                $template = new FriendicaSmarty();
                $template->filename = $template_file;
                return $template;