From 66510e20d36cb8da4f3012ef063de7bfce9b51aa Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 09 May 2012 07:52:28 -0400
Subject: [PATCH] Merge pull request #1 from Brianetta/de-svn

---
 program/include/rcube_plugin.php |  114 +++++++++++++++++++++++++++++++++++++++++++--------------
 1 files changed, 86 insertions(+), 28 deletions(-)

diff --git a/program/include/rcube_plugin.php b/program/include/rcube_plugin.php
index 1c3a8f6..25a3b6a 100644
--- a/program/include/rcube_plugin.php
+++ b/program/include/rcube_plugin.php
@@ -5,8 +5,11 @@
  | program/include/rcube_plugin.php                                      |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2008-2009, Roundcube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
+ | Copyright (C) 2008-2009, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |  Abstract plugins interface/class                                     |
@@ -78,12 +81,25 @@
     $this->home = $api->dir . $this->ID;
     $this->urlbase = $api->url . $this->ID . '/';
   }
-  
+
   /**
    * Initialization method, needs to be implemented by the plugin itself
    */
   abstract function init();
-  
+
+
+  /**
+   * Attempt to load the given plugin which is required for the current plugin
+   *
+   * @param string Plugin name
+   * @return boolean True on success, false on failure
+   */
+  public function require_plugin($plugin_name)
+  {
+    return $this->api->load_plugin($plugin_name);
+  }
+
+
   /**
    * Load local config file from plugins directory.
    * The loaded values are patched over the global configuration.
@@ -94,14 +110,15 @@
   public function load_config($fname = 'config.inc.php')
   {
     $fpath = $this->home.'/'.$fname;
-    $rcmail = rcmail::get_instance();
-    if (is_file($fpath) && !$rcmail->config->load_from_file($fpath)) {
-      raise_error(array('code' => 527, 'type' => 'php',
+    $rcube = rcube::get_instance();
+    if (is_file($fpath) && !$rcube->config->load_from_file($fpath)) {
+      rcube::raise_error(array(
+        'code' => 527, 'type' => 'php',
         'file' => __FILE__, 'line' => __LINE__,
         'message' => "Failed to load config from $fpath"), true, false);
       return false;
     }
-    
+
     return true;
   }
 
@@ -115,7 +132,18 @@
   {
     $this->api->register_hook($hook, $callback);
   }
-  
+
+  /**
+   * Unregister a callback function for a specific (server-side) hook.
+   *
+   * @param string $hook Hook name
+   * @param mixed  $callback Callback function as string or array with object reference and method name
+   */
+  public function remove_hook($hook, $callback)
+  {
+    $this->api->unregister_hook($hook, $callback);
+  }
+
   /**
    * Load localized texts from the plugins dir
    *
@@ -125,17 +153,48 @@
   public function add_texts($dir, $add2client = false)
   {
     $domain = $this->ID;
-    
-    $lang = $_SESSION['language'];
+    $lang   = $_SESSION['language'];
+    $langs  = array_unique(array('en_US', $lang));
     $locdir = slashify(realpath(slashify($this->home) . $dir));
-    $texts = array();
+    $texts  = array();
+
+    // Language aliases used to find localization in similar lang, see below
+    $aliases = array(
+        'de_CH' => 'de_DE',
+        'es_AR' => 'es_ES',
+        'fa_AF' => 'fa_IR',
+        'nl_BE' => 'nl_NL',
+        'pt_BR' => 'pt_PT',
+        'zh_CN' => 'zh_TW',
+    );
 
     // use buffering to handle empty lines/spaces after closing PHP tag
     ob_start();
 
-    foreach (array('en_US', $lang) as $lng) {
-      @include($locdir . $lng . '.inc');
-      $texts = (array)$labels + (array)$messages + (array)$texts;
+    foreach ($langs as $lng) {
+      $fpath = $locdir . $lng . '.inc';
+      if (is_file($fpath) && is_readable($fpath)) {
+        include $fpath;
+        $texts = (array)$labels + (array)$messages + (array)$texts;
+      }
+      else if ($lng != 'en_US') {
+        // Find localization in similar language (#1488401)
+        $alias = null;
+        if (!empty($aliases[$lng])) {
+          $alias = $aliases[$lng];
+        }
+        else if ($key = array_search($lng, $aliases)) {
+          $alias = $key;
+        }
+
+        if (!empty($alias)) {
+          $fpath = $locdir . $alias . '.inc';
+          if (is_file($fpath) && is_readable($fpath)) {
+            include $fpath;
+            $texts = (array)$labels + (array)$messages + (array)$texts;
+          }
+        }
+      }
     }
 
     ob_end_clean();
@@ -148,7 +207,7 @@
 
       $rcmail = rcmail::get_instance();
       $rcmail->load_language($lang, $add);
-      
+
       // add labels to client
       if ($add2client) {
         $js_labels = is_array($add2client) ? array_map(array($this, 'label_map_callback'), $add2client) : array_keys($add);
@@ -156,7 +215,7 @@
       }
     }
   }
-  
+
   /**
    * Wrapper for rcmail::gettext() adding the plugin ID as domain
    *
@@ -166,7 +225,7 @@
    */
   public function gettext($p)
   {
-    return rcmail::get_instance()->gettext($p, $this->ID);
+    return rcube::get_instance()->gettext($p, $this->ID);
   }
 
   /**
@@ -226,7 +285,7 @@
   {
     $this->api->include_stylesheet($this->resource_url($fn));
   }
-  
+
   /**
    * Append a button to a certain container
    *
@@ -241,11 +300,11 @@
       foreach (array('imagepas', 'imageact', 'imagesel') as $key)
         if ($p[$key])
           $p[$key] = $this->api->url . $this->resource_url($p[$key]);
-      
+
       $this->api->add_content($this->api->output->button($p), $container);
     }
   }
-  
+
   /**
    * Generate an absolute URL to the given resource within the current
    * plugin directory
@@ -270,18 +329,19 @@
     else
       return $fn;
   }
-  
+
   /**
    * Provide path to the currently selected skin folder within the plugin directory
    * with a fallback to the default skin folder.
    *
    * @return string Skin path relative to plugins directory
    */
-  protected function local_skin_path()
+  public function local_skin_path()
   {
-      $skin_path = 'skins/'.$this->api->config->get('skin');
-      if (!is_dir(realpath(slashify($this->home) . $skin_path)))
-        $skin_path = 'skins/default';
+    $rcmail = rcube::get_instance();
+    $skin_path = 'skins/' . $rcmail->config->get('skin');
+    if (!is_dir(realpath(slashify($this->home) . $skin_path)))
+      $skin_path = 'skins/default';
     return $skin_path;
   }
 
@@ -296,6 +356,4 @@
     return $this->ID.'.'.$key;
   }
 
-
 }
-

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