source: plugins/themeEditor/class.themeEditor.php @ 270:48858be15bda

<?php
# -- BEGIN LICENSE BLOCK ---------------------------------------
#
# This file is part of Dotclear 2.
#
# Copyright (c) 2003-2011 Olivier Meunier & Association Dotclear
# Licensed under the GPL version 2.0 license.
# See LICENSE file or
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK -----------------------------------------
if (!defined('DC_RC_PATH')) { return; }

class dcThemeEditor
{
     protected $core;
     
     protected $default_theme;
     protected $user_theme;
     protected $parent_theme;
     
     protected $default_tpl = array();
     public $tpl = array();
     public $css = array();
     public $js  = array();
     
     public function __construct($core)
     {
          $this->core =& $core;
          $this->default_theme = path::real($this->core->blog->themes_path.'/default');
          $this->user_theme = path::real($this->core->blog->themes_path.'/'.$this->core->blog->settings->system->theme);
          if (null !== $this->core->themes) {
               $parent_theme = $this->core->themes->moduleInfo($this->core->blog->settings->system->theme,'parent');
               if ($parent_theme) {
                    $this->parent_theme = path::real($this->core->blog->themes_path.'/'.$parent_theme);
               }
          }
          $this->findTemplates();
          $this->findStyles();
          $this->findScripts();
     }
     
     public function filesList($type,$item='%1$s')
     {
          $files = $this->getFilesFromType($type);
          
          if (empty($files)) {
               return '<p>'.__('No file').'</p>';
          }
          
          $list = '';
          foreach ($files as $k => $v)
          {
               if (strpos($v,$this->user_theme) === 0) {
                    $li = sprintf('<li class="default-file">%s</li>',$item);
               } elseif ($this->parent_theme && strpos($v,$this->parent_theme) === 0) {
                    $li = sprintf('<li class="parent-file">%s</li>',$item);
               } else {
                    $li = sprintf('<li>%s</li>',$item);
               }
               $list .= sprintf($li,$k,html::escapeHTML($k));
          }
          
          return sprintf('<ul>%s</ul>',$list);
     }
     
     public function getFileContent($type,$f)
     {
          $files = $this->getFilesFromType($type);
          
          if (!isset($files[$f])) {
               throw new Exception(__('File does not exist.'));
          }
          
          $F = $files[$f];
          if (!is_readable($F)) {
               throw new Exception(sprintf(__('File %s is not readable'),$f));
          }
          
          return array(
               'c' => file_get_contents($F),
               'w' => $this->getDestinationFile($type,$f) !== false,
               'type' => $type,
               'f' => $f
          );
     }
     
     public function writeFile($type,$f,$content)
     {
          $files = $this->getFilesFromType($type);
          
          if (!isset($files[$f])) {
               throw new Exception(__('File does not exist.'));
          }
          
          try
          {
               $dest = $this->getDestinationFile($type,$f);
               
               if ($dest == false) {
                    throw new Exception();
               }
               
               if ($type == 'tpl' && !is_dir(dirname($dest))) {
                    files::makeDir(dirname($dest));
               }
               
               $fp = @fopen($dest,'wb');
               if (!$fp) {
                    throw new Exception('tocatch');
               }
               
               $content = preg_replace('/(\r?\n)/m',"\n",$content);
               $content = preg_replace('/\r/m',"\n",$content);
               
               fwrite($fp,$content);
               fclose($fp);
               
               # Updating inner files list
               $this->updateFileInList($type,$f,$dest);
          }
          catch (Exception $e)
          {
               throw new Exception(sprintf(__('Unable to write file %s. Please check your theme files and folders permissions.'),$f));
          }
     }
     
     protected function getDestinationFile($type,$f)
     {
          if ($type == 'tpl') {
               $dest = $this->user_theme.'/tpl/'.$f;
          } else {
               $dest = $this->user_theme.'/'.$f;
          }
          
          if (file_exists($dest) && is_writable($dest)) {
               return $dest;
          }
          
          if ($type == 'tpl' && !is_dir(dirname($dest))) {
               if (is_writable($this->user_theme)) {
                    return $dest;
               }
          }
          
          if (is_writable(dirname($dest))) {
               return $dest;
          }
          
          return false;
     }
     
     protected function getFilesFromType($type)
     {
          switch ($type)
          {
               case 'tpl':
                    return $this->tpl;
               case 'css':
                    return $this->css;
               case 'js':
                    return $this->js;
               default:
                    return array();
          }
     }
     
     protected function updateFileInList($type,$f,$file)
     {
          switch ($type)
          {
               case 'tpl':
                    $list =& $this->tpl;
                    break;
               case 'css':
                    $list =& $this->css;
                    break;
               case 'js':
                    $list =& $this->js;
                    break;
               default:
                    return;
          }
          
          $list[$f] = $file;
     }
     
     protected function findTemplates()
     {
          # First, we look in template paths
          $this->default_tpl = $this->getFilesInDir($this->default_theme.'/tpl');
          
          $this->tpl = array_merge(
               $this->default_tpl,
               $this->getFilesInDir($this->parent_theme.'/tpl'),
               $this->getFilesInDir($this->user_theme.'/tpl')
               );
          $this->tpl = array_merge($this->getFilesInDir(DC_ROOT.'/inc/public/default-templates'),$this->tpl);
          
          # Then we look in 'default-templates' plugins directory
          $plugins = $this->core->plugins->getModules();
          foreach ($plugins as $p) {
               $this->tpl = array_merge($this->getFilesInDir($p['root'].'/default-templates'),$this->tpl);
          }
          
          uksort($this->tpl,array($this,'sortFilesHelper'));
     }
     
     protected function findStyles()
     {
          $this->css = $this->getFilesInDir($this->user_theme,'css');
          $this->css= array_merge($this->css,$this->getFilesInDir($this->user_theme.'/style','css','style/'));
     }
     
     protected function findScripts()
     {
          $this->js = $this->getFilesInDir($this->user_theme,'js');
          $this->js = array_merge($this->js,$this->getFilesInDir($this->user_theme.'/js','js','js/'));
     }
     
     protected function getFilesInDir($dir,$ext=null,$prefix='')
     {
          $dir = path::real($dir);
          if (!$dir || !is_dir($dir) || !is_readable($dir)) {
               return array();
          }
          
          $d = dir($dir);
          $res = array();
          while (($f = $d->read()) !== false)
          {
               if (is_file($dir.'/'.$f) && !preg_match('/^\./',$f) && (!$ext || preg_match('/\.'.preg_quote($ext).'$/i',$f))) {
                    $res[$prefix.$f] = $dir.'/'.$f;
               }
          }
          
          return $res;
     }
     
     protected function sortFilesHelper($a,$b)
     {
          if ($a == $b) {
               return 0;
          }
          
          $ext_a = files::getExtension($a);
          $ext_b = files::getExtension($b);
          
          return strcmp($ext_a.'.'.$a,$ext_b.'.'.$b);
     }
}
?>