From a17fe620d400804067188ffa245be7fb894e2075 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sun, 31 May 2009 14:14:21 -0400
Subject: [PATCH] - support browser object in template expressions

---
 program/include/rcube_template.php |  346 ++++++++++++++++++++++++++++++++++++++-------------------
 1 files changed, 231 insertions(+), 115 deletions(-)

diff --git a/program/include/rcube_template.php b/program/include/rcube_template.php
index d519f75..42b642a 100755
--- a/program/include/rcube_template.php
+++ b/program/include/rcube_template.php
@@ -5,7 +5,7 @@
  | program/include/rcube_template.php                                    |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2006-2008, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2006-2009, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -32,14 +32,15 @@
 {
     var $app;
     var $config;
-    var $task = '';
     var $framed = false;
     var $pagetitle = '';
+    var $message = null;
     var $env = array();
     var $js_env = array();
     var $js_commands = array();
     var $object_handlers = array();
 
+    public $type = 'html';
     public $ajax_call = false;
 
     /**
@@ -54,19 +55,24 @@
 
         $this->app = rcmail::get_instance();
         $this->config = $this->app->config->all();
+        $this->browser = new rcube_browser();
         
         //$this->framed = $framed;
-        $this->task = $task;
+        $this->set_env('task', $task);
+
+        // load the correct skin (in case user-defined)
+        $this->set_skin($this->config['skin']);
 
         // add common javascripts
         $javascript = 'var '.JS_OBJECT_NAME.' = new rcube_webmail();';
 
         // don't wait for page onload. Call init at the bottom of the page (delayed)
-        $javascript_foot = "if (window.call_init)\n call_init('".JS_OBJECT_NAME."');";
+        $javascript_foot = '$(document).ready(function(){ '.JS_OBJECT_NAME.'.init(); });';
 
         $this->add_script($javascript, 'head_top');
         $this->add_script($javascript_foot, 'foot');
         $this->scripts_path = 'program/js/';
+        $this->include_script('jquery-1.3.min.js');
         $this->include_script('common.js');
         $this->include_script('app.js');
 
@@ -103,6 +109,54 @@
         $this->pagetitle = $title;
     }
 
+
+    /**
+     * Getter for the current page title
+     *
+     * @return string The page title
+     */
+    public function get_pagetitle()
+    {
+        if (!empty($this->pagetitle)) {
+            $title = $this->pagetitle;
+        }
+        else if ($this->env['task'] == 'login') {
+            $title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
+        }
+        else {
+            $title = ucfirst($this->env['task']);
+        }
+        
+        return $title;
+    }
+
+
+    /**
+     * Set skin
+     */
+    public function set_skin($skin)
+    {
+        if (!empty($skin) && is_dir('skins/'.$skin) && is_readable('skins/'.$skin))
+            $skin_path = 'skins/'.$skin;
+        else
+            $skin_path = $this->config['skin_path'] ? $this->config['skin_path'] : 'skins/default';
+
+        $this->app->config->set('skin_path', $skin_path);
+        $this->config['skin_path'] = $skin_path;
+    }
+
+    /**
+     * Check if a specific template exists
+     *
+     * @param string Template name
+     * @return boolean True if template exists
+     */
+    public function template_exists($name)
+    {
+        $filename = $this->config['skin_path'] . '/templates/' . $name . '.html';
+
+        return (is_file($filename) && is_readable($filename));
+    }
 
     /**
      * Register a template object handler
@@ -156,8 +210,11 @@
      */
     public function add_label()
     {
-        $arg_list = func_get_args();
-        foreach ($arg_list as $i => $name) {
+        $args = func_get_args();
+        if (count($args) == 1 && is_array($args[0]))
+          $args = $args[0];
+        
+        foreach ($args as $name) {
             $this->command('add_label', $name, rcube_label($name));
         }
     }
@@ -169,14 +226,18 @@
      * @param string Message to display
      * @param string Message type [notice|confirm|error]
      * @param array Key-value pairs to be replaced in localized text
+     * @param boolean Override last set message
      * @uses self::command()
      */
-    public function show_message($message, $type='notice', $vars=NULL)
+    public function show_message($message, $type='notice', $vars=null, $override=true)
     {
-        $this->command(
-            'display_message',
-            rcube_label(array('name' => $message, 'vars' => $vars)),
-            $type);
+        if ($override || !$this->message) {
+            $this->message = $message;
+            $this->command(
+                'display_message',
+                rcube_label(array('name' => $message, 'vars' => $vars)),
+                $type);
+        }
     }
 
 
@@ -190,13 +251,27 @@
      * @uses   self::$js_commands
      * @uses   self::$object_handlers
      */
-    public public function reset()
+    public function reset()
     {
         $this->env = array();
         $this->js_env = array();
         $this->js_commands = array();
         $this->object_handlers = array();
         parent::reset();
+    }
+
+
+    /**
+     * Redirect to a certain url
+     *
+     * @param mixed Either a string with the action or url parameters as key-value pairs
+     * @see rcmail::url()
+     */
+    public function redirect($p = array())
+    {
+        $location = $this->app->url($p);
+        header('Location: ' . $location);
+        exit;
     }
 
 
@@ -257,28 +332,39 @@
     private function parse($name = 'main', $exit = true)
     {
         $skin_path = $this->config['skin_path'];
-
-        // read template file
-        $templ = '';
+        $plugin = false;
+        
+        $temp = explode(".", $name, 2);
+        if (count($temp) > 1) {
+            $plugin = $temp[0];
+            $name = $temp[1];
+            $skin_dir = $plugin . '/skins/' . $this->config['skin'];
+            $skin_path = $this->app->plugins->dir . $skin_dir;
+            if (!is_dir($skin_path)) {  // fallback to default skin
+                $skin_dir = $plugin . '/skins/default';
+                $skin_path = $this->app->plugins->dir . $skin_dir;
+            }
+        }
+        
         $path = "$skin_path/templates/$name.html";
 
-        if (($fp = fopen($path, 'r')) === false) {
-            $message = '';
-            ob_start();
-            fopen($path, 'r');
-            $message.= ob_get_contents();
-            ob_end_clean();
+        // read template file
+        if (($templ = @file_get_contents($path)) === false) {
             raise_error(array(
                 'code' => 501,
                 'type' => 'php',
                 'line' => __LINE__,
                 'file' => __FILE__,
-                'message' => 'Error loading template for '.$name.': '.$message
+                'message' => 'Error loading template for '.$name
                 ), true, true);
             return false;
         }
-        $templ = fread($fp, filesize($path));
-        fclose($fp);
+        
+        // replace all path references to plugins/... with the configured plugins dir
+        // and /this/ to the current plugin skin directory
+        if ($plugin) {
+            $templ = preg_replace(array('/\bplugins\//', '/(["\']?)\/this\//'), array($this->app->plugins->url, '\\1'.$this->app->plugins->url.$skin_dir.'/'), $templ);
+        }
 
         // parse for specialtags
         $output = $this->parse_conditions($templ);
@@ -286,13 +372,13 @@
 
         // add debug console
         if ($this->config['debug_level'] & 8) {
-            $this->add_footer('<div style="position:absolute;top:5px;left:5px;width:400px;padding:0.2em;background:white;opacity:0.8;z-index:9000">
+            $this->add_footer('<div style="position:absolute;top:5px;left:5px;width:405px;padding:2px;background:white;opacity:0.8;filter:alpha(opacity=80);z-index:9000">
                 <a href="#toggle" onclick="con=document.getElementById(\'dbgconsole\');con.style.display=(con.style.display==\'none\'?\'block\':\'none\');return false">console</a>
-                <form action="/" name="debugform"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small"></textarea></form></div>'
+                <form action="/" name="debugform" style="display:inline"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small" spellcheck="false"></textarea></form></div>'
             );
         }
         $output = $this->parse_with_globals($output);
-        $this->write(trim($output), $skin_path);
+        $this->write(trim($output));
         if ($exit) {
             exit;
         }
@@ -318,18 +404,12 @@
             $parent = $this->framed || preg_match('/^parent\./', $method);
             $out .= sprintf(
                 "%s.%s(%s);\n",
-            ($parent ? 'parent.' : '') . JS_OBJECT_NAME,
-            preg_replace('/^parent\./', '', $method),
-            implode(',', $args)
+                ($parent ? 'if(window.parent && parent.'.JS_OBJECT_NAME.') parent.' : '') . JS_OBJECT_NAME,
+                preg_replace('/^parent\./', '', $method),
+                implode(',', $args)
             );
         }
-        // add command to set page title
-        if ($this->ajax_call && !empty($this->pagetitle)) {
-            $out .= sprintf(
-                "this.set_pagetitle('%s');\n",
-                JQ((!empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '') . $this->pagetitle)
-            );
-        }
+        
         return $out;
     }
 
@@ -414,26 +494,40 @@
      * @todo   Get rid off eval() once I understand what this does.
      * @todo   Extend this to allow real conditions, not just "set"
      * @param  string Condition statement
-     * @return boolean True if condition is met, False is not
+     * @return boolean True if condition is met, False if not
      */
     private function check_condition($condition)
     {
-        $condition = preg_replace(
+            return eval("return (".$this->parse_expression($condition).");");
+    }
+
+
+    /**
+     * Parses expression and replaces variables
+     *
+     * @param  string Expression statement
+     * @return string Expression statement
+     */
+    private function parse_expression($expression)
+    {
+        return preg_replace(
             array(
                 '/session:([a-z0-9_]+)/i',
-                '/config:([a-z0-9_]+)/i',
+                '/config:([a-z0-9_]+)(:([a-z0-9_]+))?/i',
                 '/env:([a-z0-9_]+)/i',
-                '/request:([a-z0-9_]+)/ie'
+                '/request:([a-z0-9_]+)/i',
+                '/cookie:([a-z0-9_]+)/i',
+                '/browser:([a-z0-9_]+)/i'
             ),
             array(
                 "\$_SESSION['\\1']",
-                "\$this->config['\\1']",
+                "\$this->app->config->get('\\1',get_boolean('\\3'))",
                 "\$this->env['\\1']",
-                "get_input_value('\\1', RCUVE_INPUT_GPC)"
+                "get_input_value('\\1', RCUBE_INPUT_GPC)",
+                "\$_COOKIE['\\1']",
+                "\$this->browser->{'\\1'}"
             ),
-            $condition);
-            
-            return eval("return (".$condition.");");
+            $expression);
     }
 
 
@@ -443,25 +537,26 @@
      *
      * @param  string Input string to parse
      * @return string Altered input string
+     * @todo   Use DOM-parser to traverse template HTML
      * @todo   Maybe a cache.
      */
     private function parse_xml($input)
     {
-        return preg_replace('/<roundcube:([-_a-z]+)\s+([^>]+)>/Uie', "\$this->xml_command('\\1', '\\2')", $input);
+        return preg_replace_callback('/<roundcube:([-_a-z]+)\s+([^>]+)>/Ui', array($this, 'xml_command'), $input);
     }
 
 
     /**
-     * Convert a xml command tag into real content
+     * Callback function for parsing an xml command tag
+     * and turn it into real html content
      *
-     * @param  string Tag command: object,button,label, etc.
-     * @param  string Attribute string
+     * @param  array Matches array of preg_replace_callback
      * @return string Tag/Object content
      */
-    private function xml_command($command, $str_attrib, $add_attrib = array())
+    private function xml_command($matches)
     {
-        $command = strtolower($command);
-        $attrib  = parse_attrib_string($str_attrib) + $add_attrib;
+        $command = strtolower($matches[1]);
+        $attrib  = parse_attrib_string($matches[2]);
 
         // empty output if required condition is not met
         if (!empty($attrib['condition']) && !$this->check_condition($attrib['condition'])) {
@@ -487,72 +582,77 @@
             // include a file
             case 'include':
                 $path = realpath($this->config['skin_path'].$attrib['file']);
-                if ($fsize = filesize($path)) {
+                if (is_readable($path)) {
                     if ($this->config['skin_include_php']) {
                         $incl = $this->include_php($path);
                     }
-                    else if ($fp = fopen($path, 'r')) {
-                        $incl = fread($fp, $fsize);
-                        fclose($fp);
+                    else {
+                      $incl = file_get_contents($path);
                     }
+                    $incl = $this->parse_conditions($incl);
                     return $this->parse_xml($incl);
                 }
                 break;
 
             case 'plugin.include':
-                //rcube::tfk_debug(var_export($this->config['skin_path'], true));
-                $path = realpath($this->config['skin_path'].$attrib['file']);
-                if (!$path) {
-                    //rcube::tfk_debug("Does not exist:");
-                    //rcube::tfk_debug($this->config['skin_path']);
-                    //rcube::tfk_debug($attrib['file']);
-                    //rcube::tfk_debug($path);
-                }
-                $incl = file_get_contents($path);
-                if ($incl) {
-                    return $this->parse_xml($incl);
+                $hook = $this->app->plugins->exec_hook("template_plugin_include", $attrib);
+                return $hook['content'];
+                break;
+            
+            // define a container block
+            case 'container':
+                if ($attrib['name'] && $attrib['id']) {
+                    $this->command('gui_container', $attrib['name'], $attrib['id']);
+                    // let plugins insert some content here
+                    $hook = $this->app->plugins->exec_hook("template_container", $attrib);
+                    return $hook['content'];
                 }
                 break;
 
             // return code for a specific application object
             case 'object':
                 $object = strtolower($attrib['name']);
+                $content = '';
 
                 // we are calling a class/method
                 if (($handler = $this->object_handlers[$object]) && is_array($handler)) {
                     if ((is_object($handler[0]) && method_exists($handler[0], $handler[1])) ||
                     (is_string($handler[0]) && class_exists($handler[0])))
-                    return call_user_func($handler, $attrib);
+                    $content = call_user_func($handler, $attrib);
                 }
+                // execute object handler function
                 else if (function_exists($handler)) {
-                    // execute object handler function
-                    return call_user_func($handler, $attrib);
+                    $content = call_user_func($handler, $attrib);
                 }
-
-                if ($object=='productname') {
+                else if ($object == 'productname') {
                     $name = !empty($this->config['product_name']) ? $this->config['product_name'] : 'RoundCube Webmail';
-                    return Q($name);
+                    $content = Q($name);
                 }
-                if ($object=='version') {
-                    return (string)RCMAIL_VERSION;
+                else if ($object == 'version') {
+                    $ver = (string)RCMAIL_VERSION;
+                    if (is_file(INSTALL_PATH . '.svn/entries')) {
+                        if (preg_match('/Revision:\s(\d+)/', @shell_exec('svn info'), $regs))
+                          $ver .= ' [SVN r'.$regs[1].']';
+                    }
+                    $content = Q($ver);
                 }
-                if ($object=='pagetitle') {
-                    $task  = $this->task;
+                else if ($object == 'steptitle') {
+                  $content = Q($this->get_pagetitle());
+                }
+                else if ($object == 'pagetitle') {
                     $title = !empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '';
-
-                    if (!empty($this->pagetitle)) {
-                        $title .= $this->pagetitle;
-                    }
-                    else if ($task == 'login') {
-                        $title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
-                    }
-                    else {
-                        $title .= ucfirst($task);
-                    }
-
-                    return Q($title);
+                    $title .= $this->get_pagetitle();
+                    $content = Q($title);
                 }
-                break;
+                
+                // exec plugin hooks for this template object
+                $hook = $this->app->plugins->exec_hook("template_object_$object", $attrib + array('content' => $content));
+                return $hook['content'];
+
+            // return code for a specified eval expression
+            case 'exp':
+                $value = $this->parse_expression($attrib['expression']);
+                return eval("return Q($value);");
             
             // return variable
             case 'var':
@@ -575,6 +675,12 @@
                         break;
                     case 'session':
                         $value = $_SESSION[$name];
+                        break;
+                    case 'cookie':
+                        $value = htmlspecialchars($_COOKIE[$name]);
+                        break;
+                    case 'browser':
+                        $value = $this->browser->{$name};
                         break;
                 }
 
@@ -612,19 +718,17 @@
      * @todo   Remove all inline JS calls and use jQuery instead.
      * @todo   Remove all sprintf()'s - they are pretty, but also slow.
      */
-    private function button($attrib)
+    public function button($attrib)
     {
         static $sa_buttons = array();
         static $s_button_count = 100;
 
         // these commands can be called directly via url
-        $a_static_commands = array('compose', 'list');
+        $a_static_commands = array('compose', 'list', 'preferences', 'folders', 'identities');
 
         if (!($attrib['command'] || $attrib['name'])) {
             return '';
         }
-
-        $browser   = new rcube_browser();
 
         // try to find out the button type
         if ($attrib['type']) {
@@ -654,27 +758,23 @@
             $attrib = $sa_buttons[$command];
         }
 
-        // set border to 0 because of the link arround the button
-        if ($attrib['type']=='image' && !isset($attrib['border'])) {
-            $attrib['border'] = 0;
-        }
         if (!$attrib['id']) {
             $attrib['id'] =  sprintf('rcmbtn%d', $s_button_count++);
         }
         // get localized text for labels and titles
         if ($attrib['title']) {
-            $attrib['title'] = Q(rcube_label($attrib['title']));
+            $attrib['title'] = Q(rcube_label($attrib['title'], $attrib['domain']));
         }
         if ($attrib['label']) {
-            $attrib['label'] = Q(rcube_label($attrib['label']));
+            $attrib['label'] = Q(rcube_label($attrib['label'], $attrib['domain']));
         }
         if ($attrib['alt']) {
-            $attrib['alt'] = Q(rcube_label($attrib['alt']));
+            $attrib['alt'] = Q(rcube_label($attrib['alt'], $attrib['domain']));
         }
+
         // set title to alt attribute for IE browsers
-        if ($browser->ie && $attrib['title'] && !$attrib['alt']) {
+        if ($this->browser->ie && $attrib['title'] && !$attrib['alt']) {
             $attrib['alt'] = $attrib['title'];
-            unset($attrib['title']);
         }
 
         // add empty alt attribute for XHTML compatibility
@@ -697,11 +797,14 @@
 
             // make valid href to specific buttons
             if (in_array($attrib['command'], rcmail::$main_tasks)) {
-                $attrib['href'] = Q(rcmail_url(null, null, $attrib['command']));
+                $attrib['href'] = rcmail_url(null, null, $attrib['command']);
             }
             else if (in_array($attrib['command'], $a_static_commands)) {
-                $attrib['href'] = Q(rcmail_url($attrib['command']));
+                $attrib['href'] = rcmail_url($attrib['command']);
             }
+	    else if ($attrib['command'] == 'permaurl' && !empty($this->env['permaurl'])) {
+	        $attrib['href'] = $this->env['permaurl'];
+	    }
         }
 
         // overwrite attributes
@@ -755,18 +858,18 @@
                 array(
                     'style', 'class', 'id', 'width',
                     'height', 'border', 'hspace',
-                    'vspace', 'align', 'alt',
+                    'vspace', 'align', 'alt', 'tabindex'
                 )
             );
             $btn_content = sprintf('<img src="%s"%s />', $this->abs_url($attrib['image']), $attrib_str);
             if ($attrib['label']) {
                 $btn_content .= ' '.$attrib['label'];
             }
-            $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title');
+            $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title', 'target');
         }
         else if ($attrib['type']=='link') {
             $btn_content = $attrib['label'] ? $attrib['label'] : $attrib['command'];
-            $link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style');
+            $link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style', 'tabindex', 'target');
         }
         else if ($attrib['type']=='input') {
             $attrib['type'] = 'button';
@@ -779,7 +882,7 @@
                 $attrib,
                 array(
                     'type', 'value', 'onclick',
-                    'id', 'class', 'style'
+                    'id', 'class', 'style', 'tabindex'
                 )
             );
             $out = sprintf('<input%s disabled="disabled" />', $attrib_str);
@@ -860,10 +963,17 @@
         $default_host = $this->config['default_host'];
 
         $_SESSION['temp'] = true;
+        
+        // save original url
+        $url = get_input_value('_url', RCUBE_INPUT_POST);
+        if (empty($url) && !preg_match('/_action=logout/', $_SERVER['QUERY_STRING']))
+            $url = $_SERVER['QUERY_STRING'];
 
-        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30, 'autocomplete' => 'off'));
-        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30));
+        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30) + $attrib);
+        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30) + $attrib);
         $input_action = new html_hiddenfield(array('name' => '_action', 'value' => 'login'));
+        $input_tzone  = new html_hiddenfield(array('name' => '_timezone', 'id' => 'rcmlogintz', 'value' => '_default_'));
+        $input_url    = new html_hiddenfield(array('name' => '_url', 'id' => 'rcmloginurl', 'value' => $url));
         $input_host   = null;
 
         if (is_array($default_host)) {
@@ -879,7 +989,7 @@
                 }
             }
         }
-        else if (!strlen($default_host)) {
+        else if (empty($default_host)) {
             $input_host = new html_inputfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30));
         }
 
@@ -890,7 +1000,7 @@
         $table = new html_table(array('cols' => 2));
 
         $table->add('title', html::label('rcmloginuser', Q(rcube_label('username'))));
-        $table->add(null, $input_user->show(get_input_value('_user', RCUVE_INPUT_POST)));
+        $table->add(null, $input_user->show(get_input_value('_user', RCUBE_INPUT_POST)));
 
         $table->add('title', html::label('rcmloginpwd', Q(rcube_label('password'))));
         $table->add(null, $input_pass->show());
@@ -898,10 +1008,12 @@
         // add host selection row
         if (is_object($input_host)) {
             $table->add('title', html::label('rcmloginhost', Q(rcube_label('server'))));
-            $table->add(null, $input_host->show(get_input_value('_host', RCUVE_INPUT_POST)));
+            $table->add(null, $input_host->show(get_input_value('_host', RCUBE_INPUT_POST)));
         }
 
         $out = $input_action->show();
+        $out .= $input_tzone->show();
+        $out .= $input_url->show();
         $out .= $table->show();
 
         // surround html output with a form tag
@@ -930,6 +1042,10 @@
         if (empty($attrib['id'])) {
             $attrib['id'] = 'rcmqsearchbox';
         }
+        if ($attrib['type'] == 'search' && !$this->browser->khtml) {
+          unset($attrib['type'], $attrib['results']);
+        }
+        
         $input_q = new html_inputfield($attrib);
         $out = $input_q->show();
 

--
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