typo3/backend.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 2007-2009 Ingo Renner <ingo@typo3.org>
   6 *  All rights reserved
   7 *
   8 *  This script is part of the TYPO3 project. The TYPO3 project is
   9 *  free software; you can redistribute it and/or modify
  10 *  it under the terms of the GNU General Public License as published by
  11 *  the Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  The GNU General Public License can be found at
  15 *  http://www.gnu.org/copyleft/gpl.html.
  16 *  A copy is found in the textfile GPL.txt and important notices to the license
  17 *  from the author is found in LICENSE.txt distributed with these scripts.
  18 *
  19 *
  20 *  This script is distributed in the hope that it will be useful,
  21 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *  GNU General Public License for more details.
  24 *
  25 *  This copyright notice MUST APPEAR in all copies of the script!
  26 ***************************************************************/
  27
  28 require_once('init.php');
  29 require_once('template.php');
  30 require_once('interfaces/interface.backend_toolbaritem.php');
  31
  32 require('classes/class.typo3logo.php');
  33 require('classes/class.modulemenu.php');
  34
  35         // core toolbar items
  36 require('classes/class.workspaceselector.php');
  37 require('classes/class.clearcachemenu.php');
  38 require('classes/class.shortcutmenu.php');
  39 require('classes/class.backendsearchmenu.php');
  40
  41 require_once('class.alt_menu_functions.inc');
  42 $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_misc.xml');
  43
  44
  45 /**
  46  * Class for rendering the TYPO3 backend version 4.2+
  47  *
  48  * @author      Ingo Renner <ingo@typo3.org>
  49  * @package TYPO3
  50  * @subpackage core
  51  */
  52 class TYPO3backend {
  53
  54         protected $content;
  55         protected $css;
  56         protected $cssFiles;
  57         protected $js;
  58         protected $jsFiles;
  59         protected $jsFilesAfterInline;
  60         protected $toolbarItems;
  61         private   $menuWidthDefault = 160; // intentionally private as nobody should modify defaults
  62         protected $menuWidth;
  63
  64         /**
  65          * Object for loading backend modules
  66          *
  67          * @var t3lib_loadModules
  68          */
  69         protected $moduleLoader;
  70
  71         /**
  72          * module menu generating object
  73          *
  74          * @var ModuleMenu
  75          */
  76         protected $moduleMenu;
  77
  78         /**
  79          * constructor
  80          *
  81          * @return      void
  82          */
  83         public function __construct() {
  84
  85                         // Initializes the backend modules structure for use later.
  86                 $this->moduleLoader = t3lib_div::makeInstance('t3lib_loadModules');
  87                 $this->moduleLoader->load($GLOBALS['TBE_MODULES']);
  88
  89                 $this->moduleMenu = t3lib_div::makeInstance('ModuleMenu');
  90
  91                         // add default BE javascript
  92                 $this->js      = '';
  93                 $this->jsFiles = array(
  94                         'contrib/swfupload/swfupload.js',
  95                         'contrib/swfupload/plugins/swfupload.swfobject.js',
  96                         'contrib/swfupload/plugins/swfupload.cookies.js',
  97                         'contrib/swfupload/plugins/swfupload.queue.js',
  98                         'md5.js',
  99                         'js/common.js',
 100                         'js/sizemanager.js',
 101                         'js/toolbarmanager.js',
 102                         'js/modulemenu.js',
 103                         'js/iecompatibility.js',
 104                         'js/flashupload.js',
 105                         '../t3lib/jsfunc.evalfield.js'
 106                 );
 107                 $this->jsFilesAfterInline = array(
 108                         'js/backend.js',
 109                                 'js/loginrefresh.js',
 110                 );
 111                         // add default BE css
 112                 $this->css      = '';
 113                 $this->cssFiles = array(
 114                         'backend-scaffolding' => 'css/backend-scaffolding.css',
 115                         'backend-style'       => 'css/backend-style.css',
 116                         'modulemenu'          => 'css/modulemenu.css',
 117                 );
 118
 119                 $this->toolbarItems = array();
 120                 $this->initializeCoreToolbarItems();
 121
 122                 $this->menuWidth = $this->menuWidthDefault;
 123                 if (isset($GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW']) && (int) $GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW'] != (int) $this->menuWidth) {
 124                         $this->menuWidth = (int) $GLOBALS['TBE_STYLES']['dims']['leftMenuFrameW'];
 125                 }
 126         }
 127
 128         /**
 129          * initializes the core toolbar items
 130          *
 131          * @return      void
 132          */
 133         protected function initializeCoreToolbarItems() {
 134
 135                 $coreToolbarItems = array(
 136                         'workspaceSelector' => 'WorkspaceSelector',
 137                         'shortcuts'         => 'ShortcutMenu',
 138                         'clearCacheActions' => 'ClearCacheMenu',
 139                         'backendSearch'     => 'BackendSearchMenu'
 140                 );
 141
 142                 foreach($coreToolbarItems as $toolbarItemName => $toolbarItemClassName) {
 143                         $toolbarItem = t3lib_div::makeInstance($toolbarItemClassName, $this);
 144
 145                         if(!($toolbarItem instanceof backend_toolbarItem)) {
 146                                 throw new UnexpectedValueException('$toolbarItem "'.$toolbarItemName.'" must implement interface backend_toolbarItem', 1195126772);
 147                         }
 148
 149                         if($toolbarItem->checkAccess()) {
 150                                 $this->toolbarItems[$toolbarItemName] = $toolbarItem;
 151                         } else {
 152                                 unset($toolbarItem);
 153                         }
 154                 }
 155         }
 156
 157         /**
 158          * main function generating the BE scaffolding
 159          *
 160          * @return      void
 161          */
 162         public function render()        {
 163
 164                         // prepare the scaffolding, at this point extension may still add javascript and css
 165                 $logo         = t3lib_div::makeInstance('TYPO3Logo');
 166                 $logo->setLogo('gfx/typo3logo_mini.png');
 167
 168                 $menu         = $this->moduleMenu->render();
 169
 170                 if ($this->menuWidth != $this->menuWidthDefault) {
 171                         $this->css .= '
 172                                 #typo3-logo,
 173                                 #typo3-side-menu {
 174                                         width: ' . ($this->menuWidth - 1) . 'px;
 175                                 }
 176
 177                                 #typo3-top,
 178                                 #typo3-content {
 179                                         margin-left: ' . $this->menuWidth . 'px;
 180                                 }
 181                         ';
 182                 }
 183
 184                         // create backend scaffolding
 185                 $backendScaffolding = '
 186         <div id="typo3-backend">
 187                 <div id="typo3-top-container">
 188                         <div id="typo3-logo">'.$logo->render().'</div>
 189                         <div id="typo3-top" class="typo3-top-toolbar">'
 190                                 .$this->renderToolbar()
 191                         .'</div>
 192                 </div>
 193                 <div id="typo3-main-container">
 194                         <div id="typo3-side-menu">
 195                                 '.$menu.'
 196                         </div>
 197                         <div id="typo3-content">
 198                                 <iframe src="alt_intro.php" name="content" id="content" marginwidth="0" marginheight="0" frameborder="0" scrolling="auto"></iframe>
 199                         </div>
 200                 </div>
 201         </div>
 202 ';
 203
 204                 /******************************************************
 205                  * now put the complete backend document together
 206                  ******************************************************/
 207
 208                 $GLOBALS['TBE_TEMPLATE']->loadScriptaculous('builder,effects,controls,dragdrop');
 209                 $GLOBALS['TBE_TEMPLATE']->loadExtJS();
 210
 211                         // remove duplicate entries
 212                 $this->jsFiles = array_unique($this->jsFiles);
 213
 214                         // add javascript
 215                 foreach($this->jsFiles as $jsFile) {
 216                         $GLOBALS['TBE_TEMPLATE']->loadJavascriptLib($jsFile);
 217                 }
 218                 $GLOBALS['TBE_TEMPLATE']->JScode .= chr(10);
 219                 $this->generateJavascript();
 220                 $GLOBALS['TBE_TEMPLATE']->JScode .= $GLOBALS['TBE_TEMPLATE']->wrapScriptTags($this->js) . chr(10);
 221
 222                 foreach($this->jsFilesAfterInline as $jsFile) {
 223                         $GLOBALS['TBE_TEMPLATE']->JScode .= '
 224                         <script type="text/javascript" src="' . $jsFile . '"></script>';
 225                 }
 226
 227
 228                         // FIXME abusing the JS container to add CSS, need to fix template.php
 229                 foreach($this->cssFiles as $cssFileName => $cssFile) {
 230                         $GLOBALS['TBE_TEMPLATE']->addStyleSheet($cssFileName, $cssFile);
 231
 232                                 // load addditional css files to overwrite existing core styles
 233                         if(!empty($GLOBALS['TBE_STYLES']['stylesheets'][$cssFileName])) {
 234                                 $GLOBALS['TBE_TEMPLATE']->addStyleSheet($cssFileName . 'TBE_STYLES', $GLOBALS['TBE_STYLES']['stylesheets'][$cssFileName]);
 235                         }
 236                 }
 237
 238                 if(!empty($this->css)) {
 239                         $GLOBALS['TBE_TEMPLATE']->inDocStylesArray['backend.php'] = $this->css;
 240                 }
 241
 242                         // set document title:
 243                 $title = ($GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']
 244                         ? $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'].' [TYPO3 '.TYPO3_version.']'
 245                         : 'TYPO3 '.TYPO3_version
 246                 );
 247
 248                         // start page header:
 249                 $this->content .= $GLOBALS['TBE_TEMPLATE']->startPage($title);
 250                 $this->content .= $backendScaffolding;
 251                 $this->content .= $GLOBALS['TBE_TEMPLATE']->endPage();
 252
 253                 echo $this->content;
 254         }
 255
 256         /**
 257          * renders the items in the top toolbar
 258          *
 259          * @return      string  top toolbar elements as HTML
 260          */
 261         protected function renderToolbar() {
 262
 263                         // move search to last position
 264                 $search = $this->toolbarItems['backendSearch'];
 265                 unset($this->toolbarItems['backendSearch']);
 266                 $this->toolbarItems['backendSearch'] = $search;
 267
 268                 $toolbar = '<ul id="typo3-toolbar">';
 269                 $toolbar.= '<li>'.$this->getLoggedInUserLabel().'</li>
 270                                         <li><div id="logout-button" class="toolbar-item no-separator">'.$this->moduleMenu->renderLogoutButton().'</div></li>';
 271
 272                 foreach($this->toolbarItems as $toolbarItem) {
 273                         $menu = $toolbarItem->render();
 274                         if ($menu) {
 275                                 $additionalAttributes = $toolbarItem->getAdditionalAttributes();
 276                                 $toolbar .= '<li' . $additionalAttributes . '>' .$menu. '</li>';
 277                         }
 278                 }
 279
 280                 return $toolbar.'</ul>';
 281         }
 282
 283         /**
 284          * gets the label of the currently loged in BE user
 285          *
 286          * @return      string          html code snippet displaying the currently logged in user
 287          */
 288         protected function getLoggedInUserLabel() {
 289                 global $BE_USER, $BACK_PATH;
 290
 291                 $icon = '<img'.t3lib_iconWorks::skinImg(
 292                         '',
 293                         $BE_USER->isAdmin() ?
 294                                 'gfx/i/be_users_admin.gif' :
 295                                 'gfx/i/be_users.gif',
 296                         'width="18" height="16"'
 297                 )
 298                 .' title="" alt="" />';
 299
 300                 $label = $GLOBALS['BE_USER']->user['realName'] ?
 301                         $BE_USER->user['realName'].' ['.$BE_USER->user['username'].']' :
 302                         $BE_USER->user['username'];
 303
 304                         // Link to user setup if it's loaded and user has access
 305                 $link = '';
 306                 if (t3lib_extMgm::isLoaded('setup') && $BE_USER->check('modules','user_setup')) {
 307                         $link = '<a href="#" onclick="top.goToModule(\'user_setup\');this.blur();return false;">';
 308                 }
 309
 310                 $username = '">'.$link.$icon.'<span>'.htmlspecialchars($label).'</span>'.($link?'</a>':'');
 311
 312                         // superuser mode
 313                 if($BE_USER->user['ses_backuserid']) {
 314                         $username   = ' su-user">'.$icon.
 315                         '<span title="'.$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_misc.xml:switchtouser').'">SU: </span>'.
 316                         '<span>'.htmlspecialchars($label).'</span>';
 317                 }
 318
 319                 return '<div id="username" class="toolbar-item no-separator'.$username.'</div>';
 320         }
 321
 322         /**
 323          * Generates the JavaScript code for the backend.
 324          *
 325          * @return      void
 326          */
 327         protected function generateJavascript() {
 328
 329                 $pathTYPO3          = t3lib_div::dirname(t3lib_div::getIndpEnv('SCRIPT_NAME')).'/';
 330                 $goToModuleSwitch   = $this->moduleMenu->getGotoModuleJavascript();
 331                 $moduleFramesHelper = implode(chr(10), $this->moduleMenu->getFsMod());
 332
 333                         // If another page module was specified, replace the default Page module with the new one
 334                 $newPageModule = trim($GLOBALS['BE_USER']->getTSConfigVal('options.overridePageModule'));
 335                 $pageModule    = t3lib_BEfunc::isModuleSetInTBE_MODULES($newPageModule) ? $newPageModule : 'web_layout';
 336
 337                 $menuFrameName = 'menu';
 338                 if($GLOBALS['BE_USER']->uc['noMenuMode'] === 'icons') {
 339                         $menuFrameName = 'topmenuFrame';
 340                 }
 341
 342                 // create challenge for the (re)login form and save it in the session.
 343                 $challenge = md5(uniqid('').getmypid());
 344                 session_start();
 345                 $_SESSION['login_challenge'] = $challenge;
 346
 347                 // determine security level from conf vars and default to super challenged
 348                 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel']) {
 349                         $this->loginSecurityLevel = $GLOBALS['TYPO3_CONF_VARS']['BE']['loginSecurityLevel'];
 350                 } else {
 351                         $this->loginSecurityLevel = 'superchallenged';
 352                 }
 353
 354                 $this->js .= '
 355         Ext.BLANK_IMAGE_URL = "' .
 356                                 // t3lib_div::locationHeaderUrl() will include '/typo3/' in the URL
 357                                 htmlspecialchars(t3lib_div::locationHeaderUrl('gfx/clear.gif')) .
 358                                 '";
 359
 360
 361         TYPO3.configuration = ' . json_encode(array(
 362                 'siteUrl' => t3lib_div::getIndpEnv('TYPO3_SITE_URL'),
 363                 'PATH_typo3' => $pathTYPO3,
 364                 'PATH_typo3_enc' => rawurlencode($pathTYPO3),
 365                 'username' => htmlspecialchars($GLOBALS['BE_USER']->user['username']),
 366                 'uniqueID' => t3lib_div::shortMD5(uniqid('')),
 367                 'securityLevel' => $this->loginSecurityLevel,
 368                 'challenge' => $challenge,
 369                 'TYPO3_mainDir' => TYPO3_mainDir,
 370                 'pageModule' => $pageModule,
 371                 'condensedMode' => $GLOBALS['BE_USER']->uc['condensedMode'] ? 1 : 0 ,
 372                 'workspaceFrontendPreviewEnabled' => (($GLOBALS['BE_USER']->workspace != 0 && !$GLOBALS['BE_USER']->user['workspace_preview']) ? 'false' : 'true'),
 373                 'veriCode' => $GLOBALS['BE_USER']->veriCode(),
 374                 'denyFileTypes' => PHP_EXTENSIONS_DEFAULT,
 375         )) . ';
 376         TYPO3.LLL = {
 377                         core : ' . json_encode(array(
 378                 'waitTitle' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_logging_in') ,
 379                 'refresh_login_failed' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_failed'),
 380                 'refresh_login_failed_message' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_failed_message'),
 381                 'refresh_login_title' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_title'),
 382                 'login_expired' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.login_expired'),
 383                 'refresh_login_username' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_username'),
 384                 'refresh_login_password' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_password'),
 385                 'refresh_login_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_button'),
 386                 'refresh_logout_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_logout_button'),
 387                 'please_wait' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.please_wait'),
 388                 'be_locked' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.be_locked'),
 389                 'refresh_login_countdown_singular' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_countdown_singular'),
 390                 'refresh_login_countdown' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_countdown'),
 391                 'login_about_to_expire' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.login_about_to_expire'),
 392                 'login_about_to_expire_title' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.login_about_to_expire_title'),
 393                 'refresh_login_refresh_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_login_refresh_button'),
 394                 'refresh_direct_logout_button' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:mess.refresh_direct_logout_button'),
 395         )) . ',
 396                 fileUpload: ' . json_encode(array(
 397                         'windowTitle' => "File Upload Progress",
 398                         'buttonSelectFiles' => "Select Files",
 399                         'buttonCancelAll' => "Cancel All Uploads",
 400                         'infoComponentMaxFileSize' => "You can upload files with a maximum size of {0}.",
 401                         'infoComponentFileUploadLimit' => "You can upload a total of {0}.",
 402                         'infoComponentFileTypeLimit' => "You can upload the following file types {0}.",
 403                         'infoComponentOverrideFiles' => $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_misc.xml:overwriteExistingFiles', 1),
 404                         'processRunning' => "Another process is already uploading",
 405                         'uploadWait' => "Waiting to start upload of {0}",
 406                         'uploadStarting' => "Starting upload of {0}",
 407                         'uploadProgress' => "{0}% of {1} uploaded",
 408                         'uploadSuccess' => "{0} was successfully uploaded!",
 409                         'errorQueueLimitExceeded' => "Too many files selected",
 410                         'errorQueueFileSizeLimit' => "{0} is too big",
 411                         'errorQueueZeroByteFile' =>  "{0} is empty",
 412                         'errorQueueInvalidFiletype' => "Filetype not allowed for {0}",
 413                         'errorUploadHttp' => "Too many files selected",
 414                         'errorUploadMissingUrl' => "Internal error: No Upload URL set",
 415                         'errorUploadIO' => "Internal error: Problems while reading/writing the file",
 416                         'errorUploadSecurityError' => "Internal error: {0}",
 417                         'errorUploadLimit' => "Upload limit exceeded",
 418                         'errorUploadFailed' => "Upload failed",
 419                         'errorUploadFileIDNotFound' => "Internal error: File ID not found",
 420                         'errorUploadFileValidation' => "Internal error while validating the file",
 421                         'errorUploadFileCancelled' => "Upload of {0} canceled",
 422                         'errorUploadStopped' => "Upload of {0} stopped",
 423                 )) . '};
 424
 425         /**
 426          * TypoSetup object.
 427          */
 428         function typoSetup()    {       //
 429                 this.PATH_typo3 = TYPO3.configuration.PATH_typo3;
 430                 this.PATH_typo3_enc = TYPO3.configuration.PATH_typo3_enc;
 431                 this.username = TYPO3.configuration.username;
 432                 this.uniqueID = TYPO3.configuration.uniqueID;
 433                 this.navFrameWidth = 0;
 434                 this.securityLevel = TYPO3.configuration.securityLevel;
 435                 this.veriCode = TYPO3.configuration.veriCode;
 436                 this.denyFileTypes = TYPO3.configuration.denyFileTypes;
 437         }
 438         var TS = new typoSetup();
 439
 440         var currentModuleLoaded = "";
 441         var goToModule = ' . $goToModuleSwitch . ';
 442
 443         /**
 444          * Frameset Module object
 445          *
 446          * Used in main modules with a frameset for submodules to keep the ID between modules
 447          * Typically that is set by something like this in a Web>* sub module:
 448          *              if (top.fsMod) top.fsMod.recentIds["web"] = "\'.intval($this->id).\'";
 449          *              if (top.fsMod) top.fsMod.recentIds["file"] = "...(file reference/string)...";
 450          */
 451         function fsModules()    {       //
 452                 this.recentIds=new Array();                                     // used by frameset modules to track the most recent used id for list frame.
 453                 this.navFrameHighlightedID=new Array();         // used by navigation frames to track which row id was highlighted last time
 454                 this.currentMainLoaded="";
 455                 this.currentBank="0";
 456         }
 457         var fsMod = new fsModules();' . $moduleFramesHelper . ';';
 458
 459
 460
 461                         // Check editing of page:
 462                 $this->handlePageEditing();
 463                 $this->setStartupModule();
 464         }
 465
 466         /**
 467          * Checking if the "&edit" variable was sent so we can open it for editing the page.
 468          * Code based on code from "alt_shortcut.php"
 469          *
 470          * @return      void
 471          */
 472         protected function handlePageEditing()  {
 473
 474                 if(!t3lib_extMgm::isLoaded('cms'))      {
 475                         return;
 476                 }
 477
 478                         // EDIT page:
 479                 $editId     = preg_replace('/[^[:alnum:]_]/', '', t3lib_div::_GET('edit'));
 480                 $editRecord = '';
 481
 482                 if($editId)     {
 483
 484                                 // Looking up the page to edit, checking permissions:
 485                         $where = ' AND ('.$GLOBALS['BE_USER']->getPagePermsClause(2)
 486                                         .' OR '.$GLOBALS['BE_USER']->getPagePermsClause(16).')';
 487
 488                         if(t3lib_div::testInt($editId)) {
 489                                 $editRecord = t3lib_BEfunc::getRecordWSOL('pages', $editId, '*', $where);
 490                         } else {
 491                                 $records = t3lib_BEfunc::getRecordsByField('pages', 'alias', $editId, $where);
 492
 493                                 if(is_array($records))  {
 494                                         reset($records);
 495                                         $editRecord = current($records);
 496                                         t3lib_BEfunc::workspaceOL('pages', $editRecord);
 497                                 }
 498                         }
 499
 500                                 // If the page was accessible, then let the user edit it.
 501                         if(is_array($editRecord) && $GLOBALS['BE_USER']->isInWebMount($editRecord['uid']))      {
 502                                         // Setting JS code to open editing:
 503                                 $this->js .= '
 504                 // Load page to edit:
 505         window.setTimeout("top.loadEditId('.intval($editRecord['uid']).');", 500);
 506                         ';
 507                                         // Checking page edit parameter:
 508                                 if(!$GLOBALS['BE_USER']->getTSConfigVal('options.shortcut_onEditId_dontSetPageTree')) {
 509
 510                                                 // Expanding page tree:
 511                                         t3lib_BEfunc::openPageTree(intval($editRecord['pid']), !$GLOBALS['BE_USER']->getTSConfigVal('options.shortcut_onEditId_keepExistingExpanded'));
 512                                 }
 513                         } else {
 514                                 $this->js .= '
 515                 // Warning about page editing:
 516         alert('.$GLOBALS['LANG']->JScharCode(sprintf($GLOBALS['LANG']->getLL('noEditPage'), $editId)).');
 517                         ';
 518                         }
 519                 }
 520         }
 521
 522         /**
 523          * Sets the startup module from either GETvars module and mpdParams or user configuration.
 524          *
 525          * @return      void
 526          */
 527         protected function setStartupModule() {
 528                 $startModule = preg_replace('/[^[:alnum:]_]/', '', t3lib_div::_GET('module'));
 529
 530                 if(!$startModule)       {
 531                         if ($GLOBALS['BE_USER']->uc['startModule'])     {
 532                                 $startModule = $GLOBALS['BE_USER']->uc['startModule'];
 533                         } else if($GLOBALS['BE_USER']->uc['startInTaskCenter']) {
 534                                 $startModule = 'user_task';
 535                         }
 536                 }
 537
 538                 $moduleParameters = t3lib_div::_GET('modParams');
 539                 if($startModule) {
 540                         $this->js .= '
 541                         // start in module:
 542                 function startInModule(modName, cMR_flag, addGetVars)   {
 543                         Event.observe(document, \'dom:loaded\', function() {
 544                                 top.goToModule(modName, cMR_flag, addGetVars);
 545                         });
 546                 }
 547
 548                 startInModule(\''.$startModule.'\', false, \''.$moduleParameters.'\');
 549                         ';
 550                 }
 551         }
 552
 553         /**
 554          * generates the code for the TYPO3 logo, either the default TYPO3 logo or a custom one
 555          *
 556          * @return      string  HTML code snippet to display the TYPO3 logo
 557          */
 558         protected function getLogo() {
 559                 $logo = '<a href="http://www.typo3.com/" target="_blank" onclick="'.$GLOBALS['TBE_TEMPLATE']->thisBlur().'">'.
 560                                 '<img'.t3lib_iconWorks::skinImg('','gfx/alt_backend_logo.gif','width="117" height="32"').' title="TYPO3 Content Management Framework" alt="" />'.
 561                                 '</a>';
 562
 563                         // overwrite with custom logo
 564                 if($GLOBALS['TBE_STYLES']['logo'])      {
 565                         if(substr($GLOBALS['TBE_STYLES']['logo'], 0, 3) == '../')       {
 566                                 $imgInfo = @getimagesize(PATH_site.substr($GLOBALS['TBE_STYLES']['logo'], 3));
 567                         }
 568                         $logo = '<a href="http://www.typo3.com/" target="_blank" onclick="'.$GLOBALS['TBE_TEMPLATE']->thisBlur().'">'.
 569                                 '<img src="'.$GLOBALS['TBE_STYLES']['logo'].'" '.$imgInfo[3].' title="TYPO3 Content Management Framework" alt="" />'.
 570                                 '</a>';
 571                 }
 572
 573                 return $logo;
 574         }
 575
 576         /**
 577          * adds a javascript snippet to the backend
 578          *
 579          * @param       string  javascript snippet
 580          * @return      void
 581          */
 582         public function addJavascript($javascript) {
 583                         // TODO do we need more checks?
 584                 if(!is_string($javascript)) {
 585                         throw new InvalidArgumentException('parameter $javascript must be of type string', 1195129553);
 586                 }
 587
 588                 $this->js .= $javascript;
 589         }
 590
 591         /**
 592          * adds a javscript file to the backend after it has been checked that it exists
 593          *
 594          * @param       string  javascript file reference
 595          * @return      boolean true if the javascript file was successfully added, false otherwise
 596          */
 597         public function addJavascriptFile($javascriptFile) {
 598                 $jsFileAdded = false;
 599
 600                         //TODO add more checks if neccessary
 601                 if(file_exists(t3lib_div::resolveBackPath(PATH_typo3.$javascriptFile))) {
 602                         $this->jsFiles[] = $javascriptFile;
 603                         $jsFileAdded     = true;
 604                 }
 605
 606                 return $jsFileAdded;
 607         }
 608
 609         /**
 610          * adds a css snippet to the backend
 611          *
 612          * @param       string  css snippet
 613          * @return      void
 614          */
 615         public function addCss($css) {
 616                 if(!is_string($css)) {
 617                         throw new InvalidArgumentException('parameter $css must be of type string', 1195129642);
 618                 }
 619
 620                 $this->css .= $css;
 621         }
 622
 623         /**
 624          * adds a css file to the backend after it has been checked that it exists
 625          *
 626          * @param       string  the css file's name with out the .css ending
 627          * @param       string  css file reference
 628          * @return      boolean true if the css file was added, false otherwise
 629          */
 630         public function addCssFile($cssFileName, $cssFile) {
 631                 $cssFileAdded = false;
 632
 633                         //TODO add more checks if neccessary
 634                 if(file_exists(t3lib_div::resolveBackPath(PATH_typo3.$cssFile))) {
 635                                 // prevent overwriting existing css files
 636                         if(empty($this->cssFiles[$cssFileName])) {
 637                                 $this->cssFiles[$cssFileName] = $cssFile;
 638                                 $cssFileAdded = true;
 639                         }
 640                 }
 641
 642                 return $cssFileAdded;
 643         }
 644
 645         /**
 646          * adds an item to the toolbar, the class file for the toolbar item must be loaded at this point
 647          *
 648          * @param       string  toolbar item name, f.e. tx_toolbarExtension_coolItem
 649          * @param       string  toolbar item class name, f.e. tx_toolbarExtension_coolItem
 650          * @return      void
 651          */
 652         public function addToolbarItem($toolbarItemName, $toolbarItemClassName) {
 653                 $toolbarItem = t3lib_div::makeInstance($toolbarItemClassName, $this);
 654
 655                 if(!($toolbarItem instanceof backend_toolbarItem)) {
 656                         throw new UnexpectedValueException('$toolbarItem "'.$toolbarItemName.'" must implement interface backend_toolbarItem', 1195125501);
 657                 }
 658
 659                 if($toolbarItem->checkAccess()) {
 660                         $this->toolbarItems[$toolbarItemName] = $toolbarItem;
 661                 } else {
 662                         unset($toolbarItem);
 663                 }
 664         }
 665 }
 666
 667
 668         // include XCLASS
 669 if(defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/backend.php']) {
 670         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/backend.php']);
 671 }
 672
 673
 674         // document generation
 675 $TYPO3backend = t3lib_div::makeInstance('TYPO3backend');
 676
 677         // include extensions which may add css, javascript or toolbar items
 678 if(is_array($GLOBALS['TYPO3_CONF_VARS']['typo3/backend.php']['additionalBackendItems'])) {
 679         foreach($GLOBALS['TYPO3_CONF_VARS']['typo3/backend.php']['additionalBackendItems'] as $additionalBackendItem) {
 680                 include_once($additionalBackendItem);
 681         }
 682 }
 683
 684 $TYPO3backend->render();
 685
 686 ?>