From 3412e50b54e3daac8745234e21ab6e72be0ed165 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 04 Jun 2014 11:20:33 -0400
Subject: [PATCH] Fix attachment menu structure and aria-attributes

---
 plugins/help/help.php |  170 +++++++++++++++++++++++++++++++++++++-------------------
 1 files changed, 113 insertions(+), 57 deletions(-)

diff --git a/plugins/help/help.php b/plugins/help/help.php
index 336321c..df08caf 100644
--- a/plugins/help/help.php
+++ b/plugins/help/help.php
@@ -1,90 +1,146 @@
 <?php
 
 /**
- * Help Plugin
+ * Roundcube Help Plugin
  *
  * @author Aleksander 'A.L.E.C' Machniak
- * @licence GNU GPL
+ * @author Thomas Bruederli <thomas@roundcube.net>
+ * @license GNU GPLv3+
  *
- * Enable the plugin in config/main.inc.php and set Help content iframe source
- *   $rcmail_config['help_source'] = 'http://trac.roundcube.net/wiki';
+ * Configuration (see config.inc.php.dist)
  * 
  **/
- 
+
 class help extends rcube_plugin
 {
+    // all task excluding 'login' and 'logout'
+    public $task = '?(?!login|logout).*';
+    // we've got no ajax handlers
+    public $noajax = true;
+    // skip frames
+    public $noframe = true;
+
     function init()
     {
-      $this->add_texts('localization/', false);
-      
-      // register actions
-      $this->register_action('plugin.help', array($this, 'action'));
-      $this->register_action('plugin.helpabout', array($this, 'action'));
-      $this->register_action('plugin.helplicense', array($this, 'action'));
+        $this->load_config();
+        $this->add_texts('localization/', false);
 
-      // add taskbar button
-      $this->add_button(array(
-	'name' 	=> 'helptask',
-	'class'	=> 'button-help',
-	'label'	=> 'help.help',
-	'href'	=> './?_task=dummy&_action=plugin.help',
+        // register task
+        $this->register_task('help');
+
+        // register actions
+        $this->register_action('index', array($this, 'action'));
+        $this->register_action('about', array($this, 'action'));
+        $this->register_action('license', array($this, 'action'));
+
+        $this->add_hook('startup', array($this, 'startup'));
+    }
+
+    function startup($args)
+    {
+        $rcmail = rcmail::get_instance();
+
+        // add taskbar button
+        $this->add_button(array(
+            'command'    => 'help',
+            'class'      => 'button-help',
+            'classsel'   => 'button-help button-selected',
+            'innerclass' => 'button-inner',
+            'label'      => 'help.help',
         ), 'taskbar');
 
-      $skin = rcmail::get_instance()->config->get('skin');
-      if (!file_exists($this->home."/skins/$skin/help.css"))
-	$skin = 'default';
+        $this->include_script('help.js');
+        $rcmail->output->set_env('help_open_extwin', $rcmail->config->get('help_open_extwin', false), true);
 
-      // add style for taskbar button (must be here) and Help UI    
-      $this->include_stylesheet("skins/$skin/help.css");
+        // add style for taskbar button (must be here) and Help UI
+        $skin_path = $this->local_skin_path();
+        if (is_file($this->home . "/$skin_path/help.css")) {
+            $this->include_stylesheet("$skin_path/help.css");
+        }
     }
 
     function action()
     {
-      $rcmail = rcmail::get_instance();
+        $rcmail = rcmail::get_instance();
 
-      // register UI objects
-      $rcmail->output->add_handlers(array(
-	    'helpcontent' => array($this, 'content'),
-      ));
+        // register UI objects
+        $rcmail->output->add_handlers(array(
+            'helpcontent' => array($this, 'content'),
+            'tablink' => array($this, 'tablink'),
+        ));
 
-      if ($rcmail->action == 'plugin.helpabout')
-	$rcmail->output->set_pagetitle($this->gettext('about'));
-      else if ($rcmail->action == 'plugin.helplicense')
-        $rcmail->output->set_pagetitle($this->gettext('license'));
-      else
-        $rcmail->output->set_pagetitle($this->gettext('help'));
+        if ($rcmail->action == 'about')
+            $rcmail->output->set_pagetitle($this->gettext('about'));
+        else if ($rcmail->action == 'license')
+            $rcmail->output->set_pagetitle($this->gettext('license'));
+        else
+            $rcmail->output->set_pagetitle($this->gettext('help'));
 
-      $rcmail->output->send('help.help');
+        $rcmail->output->send('help.help');
     }
-    
+
+    function tablink($attrib)
+    {
+        $rcmail = rcmail::get_instance();
+        $attrib['name'] = 'helplink' . $attrib['action'];
+        $attrib['href'] = $rcmail->url(array('_action' => $attrib['action'], '_extwin' => !empty($_REQUEST['_extwin']) ? 1 : null));
+        return $rcmail->output->button($attrib);
+    }
+
     function content($attrib)
     {
-      $rcmail = rcmail::get_instance();
+        $rcmail = rcmail::get_instance();
 
-      if ($rcmail->action == 'plugin.helpabout') {
-	return @file_get_contents($this->home.'/content/about.html');
-      }
-      else if ($rcmail->action == 'plugin.helplicense') {
-	return @file_get_contents($this->home.'/content/license.html');
-      }
+        switch ($rcmail->action) {
+            case 'about':
+                if (is_readable($this->home . '/content/about.html')) {
+                    return @file_get_contents($this->home . '/content/about.html');
+                }
+                $default = $rcmail->url(array('_task' => 'settings', '_action' => 'about', '_framed' => 1));
+                $src     = $rcmail->config->get('help_about_url', $default);
+                break;
 
-      // default content: iframe
+            case 'license':
+                if (is_readable($this->home . '/content/license.html')) {
+                    return @file_get_contents($this->home . '/content/license.html');
+                }
+                $src = $rcmail->config->get('help_license_url', 'http://www.gnu.org/licenses/gpl-3.0-standalone.html');
+                break;
 
-      if ($src = $rcmail->config->get('help_source'))
-	$attrib['src'] = $src;
+            default:
+                $src = $rcmail->config->get('help_source');
 
-      if (empty($attrib['id']))
-        $attrib['id'] = 'rcmailhelpcontent';
-    
-      // allow the following attributes to be added to the <iframe> tag
-      $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height', 'frameborder'));
-      $framename = $attrib['id'];
+                // resolve task/action for depp linking
+                $index_map = $rcmail->config->get('help_index_map', array());
+                $rel = $_REQUEST['_rel'];
+                list($task,$action) = explode('/', $rel);
+                if ($add = $index_map[$rel])
+                    $src .= $add;
+                else if ($add = $index_map[$task])
+                    $src .= $add;
+                break;
+        }
 
-      $out = sprintf('<iframe name="%s"%s></iframe>'."\n", $framename, $attrib_str);
-    
-      return $out;
+        // default content: iframe
+        if (!empty($src)) {
+            $attrib['src'] = $this->resolve_language($src);
+        }
+
+        if (empty($attrib['id']))
+            $attrib['id'] = 'rcmailhelpcontent';
+
+        $attrib['name'] = $attrib['id'];
+
+        return $rcmail->output->frame($attrib);
     }
-    
-}
 
-?>
+
+    private function resolve_language($path)
+    {
+        // resolve language placeholder
+        $rcmail = rcmail::get_instance();
+        $langmap = $rcmail->config->get('help_language_map', array('*' => 'en_US'));
+        $lang = !empty($langmap[$_SESSION['language']]) ? $langmap[$_SESSION['language']] : $langmap['*'];
+        return str_replace('%l', $lang, $path);
+    }
+}

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