ILIAS Release_3_4_x_branch .rev 46804: classes/class.ilFileSystemGUI.php Source File

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00001 <?php
00002 /*
00003         +-----------------------------------------------------------------------------+
00004         | ILIAS open source                                                           |
00005         +-----------------------------------------------------------------------------+
00006         | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
00007         |                                                                             |
00008         | This program is free software; you can redistribute it and/or               |
00009         | modify it under the terms of the GNU General Public License                 |
00010         | as published by the Free Software Foundation; either version 2              |
00011         | of the License, or (at your option) any later version.                      |
00012         |                                                                             |
00013         | This program is distributed in the hope that it will be useful,             |
00014         | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
00015         | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
00016         | GNU General Public License for more details.                                |
00017         |                                                                             |
00018         | You should have received a copy of the GNU General Public License           |
00019         | along with this program; if not, write to the Free Software                 |
00020         | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
00021         +-----------------------------------------------------------------------------+
00022 */
00023 
00032 class ilFileSystemGUI
00033 {
00034         var $ctrl;
00035 
00036         function ilFileSystemGUI($a_main_directory)
00037         {
00038                 global $lng, $ilCtrl, $tpl, $ilias;
00039 
00040                 $this->ctrl =& $ilCtrl;
00041                 $this->lng =& $lng;
00042                 $this->ilias =& $ilias;
00043                 $this->tpl =& $tpl;
00044                 $this->main_dir = $a_main_directory;
00045                 $this->commands = array();
00046                 $this->file_labels = array();
00047                 $this->label_enable = false;
00048                 $this->ctrl->saveParameter($this, "cdir");
00049 //echo "<br>main_dir:".$this->main_dir.":";
00050         }
00051 
00055         function &executeCommand()
00056         {
00057                 $next_class = $this->ctrl->getNextClass($this);
00058                 $cmd = $this->ctrl->getCmd();
00059 
00060                 switch($next_class)
00061                 {
00062 
00063                         default:
00064                                 if (substr($cmd, 0, 11) == "extCommand_")
00065                                 {
00066                                         $ret =& $this->extCommand(substr($cmd, 11, strlen($cmd) - 11));
00067                                 }
00068                                 else
00069                                 {
00070                                         $ret =& $this->$cmd();
00071                                 }
00072                                 break;
00073                 }
00074 
00075                 return $ret;
00076         }
00077 
00078 
00082         function addCommand(&$a_obj, $a_func, $a_name)
00083         {
00084                 $i = count($this->commands);
00085 
00086                 $this->commands[$i]["object"] =& $a_obj;
00087                 $this->commands[$i]["method"] = $a_func;
00088                 $this->commands[$i]["name"] = $a_name;
00089 
00090                 //$this->commands[] = $arr;
00091         }
00092 
00093 
00097         function labelFile($a_file, $a_label)
00098         {
00099                 $this->file_labels[$a_file] = $a_label;
00100         }
00101 
00105         function activateLabels($a_act, $a_label_header)
00106         {
00107                 $this->label_enable = $a_act;
00108                 $this->label_header = $a_label_header;
00109         }
00110 
00114         function &extCommand($a_nr)
00115         {
00116                 if (!isset($_POST["file"]))
00117                 {
00118                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00119                 }
00120 
00121                 if (count($_POST["file"]) > 1)
00122                 {
00123                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00124                 }
00125 
00126                 if ($_POST["file"][0] == ".." )
00127                 {
00128                         $this->ilias->raiseError($this->lng->txt("select_a_file"),$this->ilias->error_obj->MESSAGE);
00129                 }
00130 
00131                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00132                 $file = (!empty($cur_subdir))
00133                         ? $this->main_dir."/".$cur_subdir."/".ilUtil::stripSlashes($_POST["file"][0])
00134                         : $this->main_dir."/".ilUtil::stripSlashes($_POST["file"][0]);
00135 
00136                 // check wether selected item is a directory
00137                 if (@is_dir($file))
00138                 {
00139                         $this->ilias->raiseError($this->lng->txt("select_a_file"),$this->ilias->error_obj->MESSAGE);
00140                 }
00141 
00142                 $file = (!empty($cur_subdir))
00143                         ? $cur_subdir."/".ilUtil::stripSlashes($_POST["file"][0]) 
00144                         : ilUtil::stripSlashes($_POST["file"][0]);
00145 
00146                 $obj =& $this->commands[$a_nr]["object"];
00147                 $method = $this->commands[$a_nr]["method"];
00148 
00149 
00150                 return $obj->$method($file);
00151         }
00152 
00153 
00157         function listFiles()
00158         {
00159                 // create table
00160                 require_once("classes/class.ilTableGUI.php");
00161                 $tbl = new ilTableGUI();
00162 
00163                 // determine directory
00164                 // FIXME: I have to call stripSlashes here twice, because I could not
00165                 //        determine where the second layer of slashes is added to the
00166                 //        URL Parameter
00167                 $cur_subdir = ilUtil::stripSlashes(ilUtil::stripSlashes($_GET["cdir"]));
00168                 $new_subdir = ilUtil::stripSlashes(ilUtil::stripSlashes($_GET["newdir"]));
00169 
00170                 if($new_subdir == "..")
00171                 {
00172                         $cur_subdir = substr($cur_subdir, 0, strrpos($cur_subdir, "/"));
00173                 }
00174                 else
00175                 {
00176                         if (!empty($new_subdir))
00177                         {
00178                                 if (!empty($cur_subdir))
00179                                 {
00180                                         $cur_subdir = $cur_subdir."/".$new_subdir;
00181                                 }
00182                                 else
00183                                 {
00184                                         $cur_subdir = $new_subdir;
00185                                 }
00186                         }
00187                 }
00188 
00189                 $cur_subdir = str_replace(".", "", $cur_subdir);
00190 
00191                 $cur_dir = (!empty($cur_subdir))
00192                         ? $this->main_dir."/".$cur_subdir
00193                         : $this->main_dir;
00194 
00195                 // load files templates
00196                 $this->tpl->addBlockfile("ADM_CONTENT", "adm_content", "tpl.directory.html", false);
00197 
00198                 $this->ctrl->setParameter($this, "cdir", $cur_subdir);
00199                 $this->tpl->setVariable("FORMACTION1", $this->ctrl->getFormAction($this));
00200                 $this->tpl->setVariable("TXT_NEW_DIRECTORY", $this->lng->txt("cont_new_dir"));
00201                 $this->tpl->setVariable("TXT_NEW_FILE", $this->lng->txt("cont_new_file"));
00202                 $this->tpl->setVariable("CMD_NEW_DIR", "createDirectory");
00203                 $this->tpl->setVariable("CMD_NEW_FILE", "uploadFile");
00204                 $this->tpl->setVariable("BTN_NEW_DIR", $this->lng->txt("create"));
00205                 $this->tpl->setVariable("BTN_NEW_FILE", $this->lng->txt("upload"));
00206 
00207                 //
00208                 $this->tpl->addBlockfile("FILE_TABLE", "files", "tpl.table.html");
00209 
00210                 // load template for table content data
00211                 $this->tpl->addBlockfile("TBL_CONTENT", "tbl_content", "tpl.directory_row.html", false);
00212 
00213                 $num = 0;
00214 
00215                 $obj_str = ($this->call_by_reference) ? "" : "&obj_id=".$this->obj_id;
00216                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00217 
00218                 $tbl->setTitle($this->lng->txt("cont_files")." ".$cur_subdir);
00219                 //$tbl->setHelp("tbl_help.php","icon_help.gif",$this->lng->txt("help"));
00220 
00221                 /*
00222                 $cols = array("", "", "dir_file", "size");
00223                 $header_params = array("ref_id" => $_GET["ref_id"], "obj_id" => $_GET["obj_id"],
00224                         "cmd" => "listFiles", "hier_id" => $_GET["hier_id"]);
00225                 $tbl->setHeaderVars($cols, $header_params);*/
00226                 //$tbl->setColumnWidth(array("1%", "1%", "60%", "40%"));
00227 
00228                 // control
00229                 /*
00230                 $tbl->setOrderColumn($_GET["sort_by"]);
00231                 $tbl->setOrderDirection($_GET["sort_order"]);
00232                 $tbl->setLimit($_GET["limit"]);
00233                 $tbl->setOffset($_GET["offset"]);
00234                 $tbl->setMaxCount($this->maxcount);*/           // ???
00235                 //$tbl->setMaxCount(30);                // ???
00236 
00237                 if (!$this->label_enable)
00238                 {
00239                         $tbl->setHeaderNames(array("", "", $this->lng->txt("cont_dir_file"),
00240                                 $this->lng->txt("cont_size")));
00241                         $this->tpl->setVariable("COLUMN_COUNTS", 4);
00242                         $tbl->setColumnWidth(array("1%", "1%", "60%", "40%"));
00243                         $cols = array("", "", "dir_file", "size");
00244                         $header_params = $this->ctrl->getParameterArray($this, "listFiles");
00245                         /*
00246                         $header_params = array("ref_id" => $_GET["ref_id"], "obj_id" => $_GET["obj_id"],
00247                                 "cmd" => "listFiles", "cmdClass" => get_class($this),
00248                                 "hier_id" => $_GET["hier_id"]);*/
00249                         $tbl->setHeaderVars($cols, $header_params);
00250                 }
00251                 else
00252                 {
00253                         $tbl->setHeaderNames(array("", "", $this->lng->txt("cont_dir_file"),
00254                                 $this->lng->txt("cont_size"), $this->label_header));
00255                         $this->tpl->setVariable("COLUMN_COUNTS", 5);
00256                         $tbl->setColumnWidth(array("1%", "1%", "50%", "25%", "25%"));
00257                         $cols = array("", "", "dir_file", "size", "label");
00258                         $header_params = $this->ctrl->getParameterArray($this, "listFiles");
00259                         /*
00260                         $header_params = array("ref_id" => $_GET["ref_id"], "obj_id" => $_GET["obj_id"],
00261                                 "cmd" => "listFiles", "cmdClass" => get_class($this), "hier_id" => $_GET["hier_id"]);*/
00262                         $tbl->setHeaderVars($cols, $header_params);
00263                 }
00264 
00265                 $tbl->setOrderColumn($_GET["sort_by"]);
00266                 $tbl->setOrderDirection($_GET["sort_order"]);
00267                 $tbl->setLimit($_GET["limit"]);
00268                 $tbl->setOffset($_GET["offset"]);
00269                 $tbl->setMaxCount($this->maxcount);             // ???
00270 
00271                 // delete button
00272                 $this->tpl->setVariable("IMG_ARROW", ilUtil::getImagePath("arrow_downright.gif"));
00273                 $this->tpl->setCurrentBlock("tbl_action_btn");
00274                 $this->tpl->setVariable("BTN_NAME", "deleteFile");
00275                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("delete"));
00276                 $this->tpl->parseCurrentBlock();
00277 
00278                 // unzip button
00279                 $this->tpl->setCurrentBlock("tbl_action_btn");
00280                 $this->tpl->setVariable("BTN_NAME", "unzipFile");
00281                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("unzip"));
00282                 $this->tpl->parseCurrentBlock();
00283 
00284                 // download button
00285                 $this->tpl->setCurrentBlock("tbl_action_btn");
00286                 $this->tpl->setVariable("BTN_NAME", "downloadFile");
00287                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("download"));
00288                 $this->tpl->parseCurrentBlock();
00289 
00290                 // rename button
00291                 $this->tpl->setCurrentBlock("tbl_action_btn");
00292                 $this->tpl->setVariable("BTN_NAME", "renameFileForm");
00293                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("rename"));
00294                 $this->tpl->parseCurrentBlock();
00295 
00296                 // additional commands
00297                 for ($i=0; $i < count($this->commands); $i++)
00298                 {
00299                         $this->tpl->setCurrentBlock("tbl_action_btn");
00300                         $this->tpl->setVariable("BTN_NAME", "extCommand_".$i);
00301                         $this->tpl->setVariable("BTN_VALUE", $this->commands[$i]["name"]);
00302                         $this->tpl->parseCurrentBlock();
00303                 }
00304 
00305 
00306                 // footer
00307                 $tbl->setFooter("tblfooter",$this->lng->txt("previous"),$this->lng->txt("next"));
00308                 //$tbl->disable("footer");
00309 
00310                 $entries = ilUtil::getDir($cur_dir);
00311 
00312                 //$objs = ilUtil::sortArray($objs, $_GET["sort_by"], $_GET["sort_order"]);
00313                 $tbl->setMaxCount(count($entries));
00314                 $entries = array_slice($entries, $_GET["offset"], $_GET["limit"]);
00315 
00316                 $tbl->render();
00317                 if(count($entries) > 0)
00318                 {
00319                         $i=0;
00320                         foreach($entries as $entry)
00321                         {
00322                                 if(($entry["entry"] == ".") || ($entry["entry"] == ".." && empty($cur_subdir)))
00323                                 {
00324                                         continue;
00325                                 }
00326 
00327                                 $cfile = (!empty($cur_subdir))
00328                                         ? $cur_subdir."/".$entry["entry"]
00329                                         : $entry["entry"];
00330 
00331                                 // label
00332                                 if ($this->label_enable)
00333                                 {
00334                                         $this->tpl->setCurrentBlock("Label");
00335                                         if ($this->file_labels[$cfile] != "")
00336                                         {
00337                                                 $this->tpl->setVariable("TXT_LABEL", $this->file_labels[$cfile]);
00338                                         }
00339                                         else
00340                                         {
00341                                                 $this->tpl->setVariable("TXT_LABEL", "&nbsp;");
00342                                         }
00343                                         $this->tpl->parseCurrentBlock();
00344                                 }
00345 
00346                                 //$this->tpl->setVariable("ICON", $obj["title"]);
00347                                 if($entry["type"] == "dir")
00348                                 {
00349                                         $this->tpl->setCurrentBlock("FileLink");
00350                                         $this->ctrl->setParameter($this, "cdir", $cur_subdir);
00351                                         $this->ctrl->setParameter($this, "newdir", $entry["entry"]);
00352                                         $this->tpl->setVariable("LINK_FILENAME", $this->ctrl->getLinkTarget($this, "listFiles"));
00353                                         $this->tpl->setVariable("TXT_FILENAME", $entry["entry"]);
00354                                         $this->tpl->parseCurrentBlock();
00355 
00356                                         $this->tpl->setVariable("ICON", "<img src=\"".
00357                                                 ilUtil::getImagePath("icon_cat.gif")."\">");
00358                                 }
00359                                 else
00360                                 {
00361                                         $this->tpl->setCurrentBlock("File");
00362                                         $this->tpl->setVariable("TXT_FILENAME2", $entry["entry"]);
00363                                         $this->tpl->parseCurrentBlock();
00364                                 }
00365 
00366                                 $this->tpl->setCurrentBlock("tbl_content");
00367                                 $css_row = ilUtil::switchColor($i++, "tblrow1", "tblrow2");
00368                                 $this->tpl->setVariable("CSS_ROW", $css_row);
00369 
00370                                 $this->tpl->setVariable("TXT_SIZE", $entry["size"]);
00371                                 $this->tpl->setVariable("CHECKBOX_ID", $entry["entry"]);
00372                                 $compare = (!empty($cur_subdir))
00373                                         ? $cur_subdir."/".$entry["entry"]
00374                                         : $entry["entry"];
00375                                 $purpose = array();
00376 
00377                                 $this->tpl->parseCurrentBlock();
00378                         }
00379                 } //if is_array
00380                 else
00381                 {
00382                         $this->tpl->setCurrentBlock("notfound");
00383                         $this->tpl->setVariable("TXT_OBJECT_NOT_FOUND", $this->lng->txt("obj_not_found"));
00384                         $this->tpl->setVariable("NUM_COLS", 4);
00385                         $this->tpl->parseCurrentBlock();
00386                 }
00387 
00388                 $this->tpl->parseCurrentBlock();
00389         }
00390 
00394         function renameFileForm()
00395         {
00396                 if (!isset($_POST["file"]))
00397                 {
00398                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00399                 }
00400 
00401                 if (count($_POST["file"]) > 1)
00402                 {
00403                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00404                 }
00405 
00406                 if (ilUtil::stripSlashes($_POST["file"][0]) == ".." )
00407                 {
00408                         $this->ilias->raiseError($this->lng->txt("select_a_file"),$this->ilias->error_obj->MESSAGE);
00409                 }
00410 
00411                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00412                 $file = (!empty($cur_subdir))
00413                         ? $this->main_dir."/".$cur_subdir."/".ilUtil::stripSlashes($_POST["file"][0])
00414                         : $this->main_dir."/".ilUtil::stripSlashes($_POST["file"][0]);
00415 
00416                 // load files templates
00417                 $this->tpl->addBlockfile("ADM_CONTENT", "adm_content", "tpl.file_rename.html", false);
00418 
00419                 $this->ctrl->setParameter($this, "old_name", ilUtil::stripSlashes($_POST["file"][0]));
00420                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00421                 if (@is_dir($file))
00422                 {
00423                         $this->tpl->setVariable("TXT_HEADER", $this->lng->txt("rename_dir"));
00424                 }
00425                 else
00426                 {
00427                         $this->tpl->setVariable("TXT_HEADER", $this->lng->txt("rename_file"));
00428                 }
00429                 $this->tpl->setVariable("TXT_NAME", $this->lng->txt("name"));
00430                 $this->tpl->setVariable("VAL_NAME", ilUtil::stripSlashes($_POST["file"][0]));
00431                 $this->tpl->setVariable("CMD_CANCEL", "cancelRename");
00432                 $this->tpl->setVariable("CMD_SUBMIT", "renameFile");
00433                 $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
00434                 $this->tpl->setVariable("TXT_SUBMIT", $this->lng->txt("rename"));
00435 
00436                 $this->tpl->parseCurrentBlock();
00437         }
00438 
00442         function renameFile()
00443         {
00444                 $new_name = str_replace("..", "", ilUtil::stripSlashes($_POST["new_name"]));
00445                 $new_name = str_replace("/", "", $new_name);
00446                 if ($new_name == "")
00447                 {
00448                         $this->ilias->raiseError($this->lng->txt("enter_new_name"),$this->ilias->error_obj->MESSAGE);
00449                 }
00450 
00451                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00452                 $dir = (!empty($cur_subdir))
00453                         ? $this->main_dir."/".$cur_subdir."/"
00454                         : $this->main_dir."/";
00455 
00456                 rename($dir.ilUtil::stripSlashes($_GET["old_name"]), $dir.$new_name);
00457 
00458                 ilUtil::renameExecutables($this->main_dir);
00459 
00460                 $this->ctrl->redirect($this, "listFiles");
00461         }
00462 
00466         function cancelRename()
00467         {
00468                 $this->ctrl->redirect($this, "listFiles");
00469         }
00470 
00474         function createDirectory()
00475         {
00476 
00477                 // determine directory
00478                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00479                 $cur_dir = (!empty($cur_subdir))
00480                         ? $this->main_dir."/".$cur_subdir
00481                         : $this->main_dir;
00482 
00483                 $new_dir = str_replace(".", "", ilUtil::stripSlashes($_POST["new_dir"]));
00484                 $new_dir = str_replace("/", "", $new_dir);
00485 
00486                 if (!empty($new_dir))
00487                 {
00488                         ilUtil::makeDir($cur_dir."/".$new_dir);
00489                 }
00490                 $this->ctrl->saveParameter($this, "cdir");
00491                 $this->ctrl->redirect($this, "listFiles");
00492         }
00493 
00497         function uploadFile()
00498         {
00499                 // determine directory
00500                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00501                 $cur_dir = (!empty($cur_subdir))
00502                         ? $this->main_dir."/".$cur_subdir
00503                         : $this->main_dir;
00504                 if (is_file($_FILES["new_file"]["tmp_name"]))
00505                 {
00506                         move_uploaded_file($_FILES["new_file"]["tmp_name"],
00507                                 $cur_dir."/".ilUtil::stripSlashes($_FILES["new_file"]["name"]));
00508                 }
00509                 $this->ctrl->saveParameter($this, "cdir");
00510 
00511                 ilUtil::renameExecutables($this->main_dir);
00512 
00513                 $this->ctrl->redirect($this, "listFiles");
00514         }
00515 
00516 
00520         function deleteFile()
00521         {
00522                 if (!isset($_POST["file"]))
00523                 {
00524                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00525                 }
00526                 
00527                 foreach ($_POST["file"] as $post_file)
00528                 {
00529                         if (ilUtil::stripSlashes($post_file) == "..")
00530                         {
00531                                 $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00532                                 break;
00533                         }
00534 
00535                         $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00536                         $cur_dir = (!empty($cur_subdir))
00537                                 ? $this->main_dir."/".$cur_subdir
00538                                 : $this->main_dir;
00539                         $file = $cur_dir."/".ilUtil::stripSlashes($post_file);
00540 
00541                         if (@is_file($file))
00542                         {
00543                                 unlink($file);
00544                         }
00545 
00546                         if (@is_dir($file))
00547                         {
00548                                 ilUtil::delDir($file);
00549                         }
00550                 }
00551 
00552                 $this->ctrl->saveParameter($this, "cdir");
00553                 $this->ctrl->redirect($this, "listFiles");
00554         }
00555 
00559         function unzipFile()
00560         {
00561                 if (!isset($_POST["file"]))
00562                 {
00563                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00564                 }
00565 
00566                 if (count($_POST["file"]) > 1)
00567                 {
00568                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00569                 }
00570 
00571                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00572                 $cur_dir = (!empty($cur_subdir))
00573                         ? $this->main_dir."/".$cur_subdir
00574                         : $this->main_dir;
00575                 $file = $cur_dir."/".ilUtil::stripSlashes($_POST["file"][0]);
00576 
00577                 if (@is_file($file))
00578                 {
00579                         ilUtil::unzip($file, true);
00580                 }
00581 
00582                 ilUtil::renameExecutables($this->main_dir);
00583 
00584                 $this->ctrl->saveParameter($this, "cdir");
00585                 $this->ctrl->redirect($this, "listFiles");
00586         }
00587 
00591         function downloadFile()
00592         {
00593                 if (!isset($_POST["file"]))
00594                 {
00595                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00596                 }
00597 
00598                 if (count($_POST["file"]) > 1)
00599                 {
00600                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00601                 }
00602 
00603                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00604                 $cur_dir = (!empty($cur_subdir))
00605                         ? $this->main_dir."/".$cur_subdir
00606                         : $this->main_dir;
00607                 $file = $cur_dir."/".$_POST["file"][0];
00608 
00609                 if (@is_file($file) && !(@is_dir($file)))
00610                 {
00611                         ilUtil::deliverFile($file, $_POST["file"][0]);
00612                         exit;
00613                 }
00614                 else
00615                 {
00616                         $this->ctrl->saveParameter($this, "cdir");
00617                         $this->ctrl->redirect($this, "listFiles");
00618                 }
00619         }
00620 
00624         function getTabs(&$tabs_gui)
00625         {
00626                 // object usages
00627                 $tabs_gui->addTarget("cont_list_files",
00628                         $this->ctrl->getLinkTarget($this, "listFiles"), "listFiles",
00629                         get_class($this));
00630         }
00631 
00632 
00633 }
00634 ?>