ILIAS Release_3_9_x_branch .rev 46835: 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 
00031 class ilFileSystemGUI
00032 {
00033         var $ctrl;
00034 
00035         function ilFileSystemGUI($a_main_directory)
00036         {
00037                 global $lng, $ilCtrl, $tpl, $ilias;
00038 
00039                 $this->ctrl =& $ilCtrl;
00040                 $this->lng =& $lng;
00041                 $this->ilias =& $ilias;
00042                 $this->tpl =& $tpl;
00043                 $this->main_dir = $a_main_directory;
00044                 $this->commands = array();
00045                 $this->file_labels = array();
00046                 $this->label_enable = false;
00047                 $this->ctrl->saveParameter($this, "cdir");
00048 //echo "<br>main_dir:".$this->main_dir.":";
00049         }
00050 
00054         function &executeCommand()
00055         {
00056                 $next_class = $this->ctrl->getNextClass($this);
00057                 $cmd = $this->ctrl->getCmd();
00058 
00059                 switch($next_class)
00060                 {
00061 
00062                         default:
00063                                 if (substr($cmd, 0, 11) == "extCommand_")
00064                                 {
00065                                         $ret =& $this->extCommand(substr($cmd, 11, strlen($cmd) - 11));
00066                                 }
00067                                 else
00068                                 {
00069                                         $ret =& $this->$cmd();
00070                                 }
00071                                 break;
00072                 }
00073 
00074                 return $ret;
00075         }
00076 
00077 
00081         function addCommand(&$a_obj, $a_func, $a_name)
00082         {
00083                 $i = count($this->commands);
00084 
00085                 $this->commands[$i]["object"] =& $a_obj;
00086                 $this->commands[$i]["method"] = $a_func;
00087                 $this->commands[$i]["name"] = $a_name;
00088 
00089                 //$this->commands[] = $arr;
00090         }
00091 
00092 
00096         function labelFile($a_file, $a_label)
00097         {
00098                 $this->file_labels[$a_file] = $a_label;
00099         }
00100 
00104         function activateLabels($a_act, $a_label_header)
00105         {
00106                 $this->label_enable = $a_act;
00107                 $this->label_header = $a_label_header;
00108         }
00109 
00113         function &extCommand($a_nr)
00114         {
00115                 if (!isset($_POST["file"]))
00116                 {
00117                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00118                 }
00119 
00120                 if (count($_POST["file"]) > 1)
00121                 {
00122                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00123                 }
00124 
00125                 if ($_POST["file"][0] == ".." )
00126                 {
00127                         $this->ilias->raiseError($this->lng->txt("select_a_file"),$this->ilias->error_obj->MESSAGE);
00128                 }
00129 
00130                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00131                 $file = (!empty($cur_subdir))
00132                         ? $this->main_dir."/".$cur_subdir."/".ilUtil::stripSlashes($_POST["file"][0])
00133                         : $this->main_dir."/".ilUtil::stripSlashes($_POST["file"][0]);
00134 
00135                 // check wether selected item is a directory
00136                 if (@is_dir($file))
00137                 {
00138                         $this->ilias->raiseError($this->lng->txt("select_a_file"),$this->ilias->error_obj->MESSAGE);
00139                 }
00140 
00141                 $file = (!empty($cur_subdir))
00142                         ? $cur_subdir."/".ilUtil::stripSlashes($_POST["file"][0]) 
00143                         : ilUtil::stripSlashes($_POST["file"][0]);
00144 
00145                 $obj =& $this->commands[$a_nr]["object"];
00146                 $method = $this->commands[$a_nr]["method"];
00147 
00148 
00149                 return $obj->$method($file);
00150         }
00151 
00152 
00156         function listFiles()
00157         {
00158                 // create table
00159                 require_once("./Services/Table/classes/class.ilTableGUI.php");
00160                 $tbl = new ilTableGUI();
00161 
00162                 // determine directory
00163                 // FIXME: I have to call stripSlashes here twice, because I could not
00164                 //        determine where the second layer of slashes is added to the
00165                 //        URL Parameter
00166                 $cur_subdir = ilUtil::stripSlashes(ilUtil::stripSlashes($_GET["cdir"]));
00167                 $new_subdir = ilUtil::stripSlashes(ilUtil::stripSlashes($_GET["newdir"]));
00168 
00169                 if($new_subdir == "..")
00170                 {
00171                         $cur_subdir = substr($cur_subdir, 0, strrpos($cur_subdir, "/"));
00172                 }
00173                 else
00174                 {
00175                         if (!empty($new_subdir))
00176                         {
00177                                 if (!empty($cur_subdir))
00178                                 {
00179                                         $cur_subdir = $cur_subdir."/".$new_subdir;
00180                                 }
00181                                 else
00182                                 {
00183                                         $cur_subdir = $new_subdir;
00184                                 }
00185                         }
00186                 }
00187 
00188                 $cur_subdir = str_replace(".", "", $cur_subdir);
00189 
00190                 $cur_dir = (!empty($cur_subdir))
00191                         ? $this->main_dir."/".$cur_subdir
00192                         : $this->main_dir;
00193 
00194                 // load files templates
00195                 $this->tpl->addBlockfile("ADM_CONTENT", "adm_content", "tpl.directory.html", false);
00196 
00197                 $this->ctrl->setParameter($this, "cdir", $cur_subdir);
00198                 $this->tpl->setVariable("FORMACTION1", $this->ctrl->getFormAction($this, "createDirectory"));
00199                 $this->tpl->setVariable("TXT_NEW_DIRECTORY", $this->lng->txt("cont_new_dir"));
00200                 $this->tpl->setVariable("TXT_NEW_FILE", $this->lng->txt("cont_new_file"));
00201                 $this->tpl->setVariable("CMD_NEW_DIR", "createDirectory");
00202                 $this->tpl->setVariable("CMD_NEW_FILE", "uploadFile");
00203                 $this->tpl->setVariable("BTN_NEW_DIR", $this->lng->txt("create"));
00204                 $this->tpl->setVariable("BTN_NEW_FILE", $this->lng->txt("upload"));
00205 
00206                 //
00207                 $this->tpl->addBlockfile("FILE_TABLE", "files", "tpl.table.html");
00208 
00209                 // load template for table content data
00210                 $this->tpl->addBlockfile("TBL_CONTENT", "tbl_content", "tpl.directory_row.html", false);
00211 
00212                 $num = 0;
00213 
00214                 $obj_str = ($this->call_by_reference) ? "" : "&obj_id=".$this->obj_id;
00215                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00216 
00217                 $tbl->setTitle($this->lng->txt("cont_files")." ".$cur_subdir);
00218                 //$tbl->setHelp("tbl_help.php","icon_help.gif",$this->lng->txt("help"));
00219 
00220                 /*
00221                 $cols = array("", "", "dir_file", "size");
00222                 $header_params = array("ref_id" => $_GET["ref_id"], "obj_id" => $_GET["obj_id"],
00223                         "cmd" => "listFiles", "hier_id" => $_GET["hier_id"]);
00224                 $tbl->setHeaderVars($cols, $header_params);*/
00225                 //$tbl->setColumnWidth(array("1%", "1%", "60%", "40%"));
00226 
00227                 // control
00228                 /*
00229                 $tbl->setOrderColumn($_GET["sort_by"]);
00230                 $tbl->setOrderDirection($_GET["sort_order"]);
00231                 $tbl->setLimit($_GET["limit"]);
00232                 $tbl->setOffset($_GET["offset"]);
00233                 $tbl->setMaxCount($this->maxcount);*/           // ???
00234                 //$tbl->setMaxCount(30);                // ???
00235 
00236                 if (!$this->label_enable)
00237                 {
00238                         $tbl->setHeaderNames(array("", "", $this->lng->txt("cont_dir_file"),
00239                                 $this->lng->txt("cont_size")));
00240                         $this->tpl->setVariable("COLUMN_COUNTS", 4);
00241                         $tbl->setColumnWidth(array("1%", "1%", "60%", "40%"));
00242                         $cols = array("", "", "dir_file", "size");
00243                         $header_params = $this->ctrl->getParameterArray($this, "listFiles");
00244                         /*
00245                         $header_params = array("ref_id" => $_GET["ref_id"], "obj_id" => $_GET["obj_id"],
00246                                 "cmd" => "listFiles", "cmdClass" => get_class($this),
00247                                 "hier_id" => $_GET["hier_id"]);*/
00248                         $tbl->setHeaderVars($cols, $header_params);
00249                 }
00250                 else
00251                 {
00252                         $tbl->setHeaderNames(array("", "", $this->lng->txt("cont_dir_file"),
00253                                 $this->lng->txt("cont_size"), $this->label_header));
00254                         $this->tpl->setVariable("COLUMN_COUNTS", 5);
00255                         $tbl->setColumnWidth(array("1%", "1%", "50%", "25%", "25%"));
00256                         $cols = array("", "", "dir_file", "size", "label");
00257                         $header_params = $this->ctrl->getParameterArray($this, "listFiles");
00258                         /*
00259                         $header_params = array("ref_id" => $_GET["ref_id"], "obj_id" => $_GET["obj_id"],
00260                                 "cmd" => "listFiles", "cmdClass" => get_class($this), "hier_id" => $_GET["hier_id"]);*/
00261                         $tbl->setHeaderVars($cols, $header_params);
00262                 }
00263 
00264                 $tbl->setOrderColumn($_GET["sort_by"]);
00265                 $tbl->setOrderDirection($_GET["sort_order"]);
00266                 $tbl->setLimit($_GET["limit"]);
00267                 $tbl->setOffset($_GET["offset"]);
00268                 $tbl->setMaxCount($this->maxcount);             // ???
00269 
00270                 // delete button
00271                 $this->tpl->setVariable("IMG_ARROW", ilUtil::getImagePath("arrow_downright.gif"));
00272                 $this->tpl->setCurrentBlock("tbl_action_btn");
00273                 $this->tpl->setVariable("BTN_NAME", "deleteFile");
00274                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("delete"));
00275                 $this->tpl->parseCurrentBlock();
00276 
00277                 // unzip button
00278                 $this->tpl->setCurrentBlock("tbl_action_btn");
00279                 $this->tpl->setVariable("BTN_NAME", "unzipFile");
00280                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("unzip"));
00281                 $this->tpl->parseCurrentBlock();
00282 
00283                 // download button
00284                 $this->tpl->setCurrentBlock("tbl_action_btn");
00285                 $this->tpl->setVariable("BTN_NAME", "downloadFile");
00286                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("download"));
00287                 $this->tpl->parseCurrentBlock();
00288 
00289                 // rename button
00290                 $this->tpl->setCurrentBlock("tbl_action_btn");
00291                 $this->tpl->setVariable("BTN_NAME", "renameFileForm");
00292                 $this->tpl->setVariable("BTN_VALUE", $this->lng->txt("rename"));
00293                 $this->tpl->parseCurrentBlock();
00294 
00295                 // additional commands
00296                 for ($i=0; $i < count($this->commands); $i++)
00297                 {
00298                         $this->tpl->setCurrentBlock("tbl_action_btn");
00299                         $this->tpl->setVariable("BTN_NAME", "extCommand_".$i);
00300                         $this->tpl->setVariable("BTN_VALUE", $this->commands[$i]["name"]);
00301                         $this->tpl->parseCurrentBlock();
00302                 }
00303 
00304 
00305                 // footer
00306                 $tbl->setFooter("tblfooter",$this->lng->txt("previous"),$this->lng->txt("next"));
00307                 //$tbl->disable("footer");
00308 
00309                 $entries = ilUtil::getDir($cur_dir);
00310 
00311                 //$objs = ilUtil::sortArray($objs, $_GET["sort_by"], $_GET["sort_order"]);
00312                 $tbl->setMaxCount(count($entries));
00313                 $entries = array_slice($entries, $_GET["offset"], $_GET["limit"]);
00314 
00315                 $tbl->render();
00316                 if(count($entries) > 0)
00317                 {
00318                         $i=0;
00319                         foreach($entries as $entry)
00320                         {
00321                                 if(($entry["entry"] == ".") || ($entry["entry"] == ".." && empty($cur_subdir)))
00322                                 {
00323                                         continue;
00324                                 }
00325 
00326                                 $cfile = (!empty($cur_subdir))
00327                                         ? $cur_subdir."/".$entry["entry"]
00328                                         : $entry["entry"];
00329 
00330                                 // label
00331                                 if ($this->label_enable)
00332                                 {
00333                                         $this->tpl->setCurrentBlock("Label");
00334                                         if ($this->file_labels[$cfile] != "")
00335                                         {
00336                                                 $this->tpl->setVariable("TXT_LABEL", $this->file_labels[$cfile]);
00337                                         }
00338                                         else
00339                                         {
00340                                                 $this->tpl->setVariable("TXT_LABEL", "&nbsp;");
00341                                         }
00342                                         $this->tpl->parseCurrentBlock();
00343                                 }
00344 
00345                                 //$this->tpl->setVariable("ICON", $obj["title"]);
00346                                 if($entry["type"] == "dir")
00347                                 {
00348                                         $this->tpl->setCurrentBlock("FileLink");
00349                                         $this->ctrl->setParameter($this, "cdir", $cur_subdir);
00350                                         $this->ctrl->setParameter($this, "newdir", $entry["entry"]);
00351                                         $this->tpl->setVariable("LINK_FILENAME", $this->ctrl->getLinkTarget($this, "listFiles"));
00352                                         $this->tpl->setVariable("TXT_FILENAME", $entry["entry"]);
00353                                         $this->tpl->parseCurrentBlock();
00354 
00355                                         $this->tpl->setVariable("ICON", "<img src=\"".
00356                                                 ilUtil::getImagePath("icon_cat.gif")."\">");
00357                                 }
00358                                 else
00359                                 {
00360                                         $this->tpl->setCurrentBlock("File");
00361                                         $this->tpl->setVariable("TXT_FILENAME2", $entry["entry"]);
00362                                         $this->tpl->parseCurrentBlock();
00363                                 }
00364 
00365                                 $this->tpl->setCurrentBlock("tbl_content");
00366                                 $css_row = ilUtil::switchColor($i++, "tblrow1", "tblrow2");
00367                                 $this->tpl->setVariable("CSS_ROW", $css_row);
00368 
00369                                 $this->tpl->setVariable("TXT_SIZE", $entry["size"]);
00370                                 $this->tpl->setVariable("CHECKBOX_ID", $entry["entry"]);
00371                                 $compare = (!empty($cur_subdir))
00372                                         ? $cur_subdir."/".$entry["entry"]
00373                                         : $entry["entry"];
00374                                 $purpose = array();
00375 
00376                                 $this->tpl->parseCurrentBlock();
00377                         }
00378                 } //if is_array
00379                 else
00380                 {
00381                         $this->tpl->setCurrentBlock("notfound");
00382                         $this->tpl->setVariable("TXT_OBJECT_NOT_FOUND", $this->lng->txt("obj_not_found"));
00383                         $this->tpl->setVariable("NUM_COLS", 4);
00384                         $this->tpl->parseCurrentBlock();
00385                 }
00386 
00387                 $this->tpl->parseCurrentBlock();
00388         }
00389 
00393         function renameFileForm()
00394         {
00395                 if (!isset($_POST["file"]))
00396                 {
00397                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00398                 }
00399 
00400                 if (count($_POST["file"]) > 1)
00401                 {
00402                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00403                 }
00404 
00405                 if (ilUtil::stripSlashes($_POST["file"][0]) == ".." )
00406                 {
00407                         $this->ilias->raiseError($this->lng->txt("select_a_file"),$this->ilias->error_obj->MESSAGE);
00408                 }
00409 
00410                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00411                 $file = (!empty($cur_subdir))
00412                         ? $this->main_dir."/".$cur_subdir."/".ilUtil::stripSlashes($_POST["file"][0])
00413                         : $this->main_dir."/".ilUtil::stripSlashes($_POST["file"][0]);
00414 
00415                 // load files templates
00416                 $this->tpl->addBlockfile("ADM_CONTENT", "adm_content", "tpl.file_rename.html", false);
00417 
00418                 $this->ctrl->setParameter($this, "old_name", ilUtil::stripSlashes($_POST["file"][0]));
00419                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this, "renameFile"));
00420                 if (@is_dir($file))
00421                 {
00422                         $this->tpl->setVariable("TXT_HEADER", $this->lng->txt("rename_dir"));
00423                 }
00424                 else
00425                 {
00426                         $this->tpl->setVariable("TXT_HEADER", $this->lng->txt("rename_file"));
00427                 }
00428                 $this->tpl->setVariable("TXT_NAME", $this->lng->txt("name"));
00429                 $this->tpl->setVariable("VAL_NAME", ilUtil::stripSlashes($_POST["file"][0]));
00430                 $this->tpl->setVariable("CMD_CANCEL", "cancelRename");
00431                 $this->tpl->setVariable("CMD_SUBMIT", "renameFile");
00432                 $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
00433                 $this->tpl->setVariable("TXT_SUBMIT", $this->lng->txt("rename"));
00434 
00435                 $this->tpl->parseCurrentBlock();
00436         }
00437 
00441         function renameFile()
00442         {
00443                 $new_name = str_replace("..", "", ilUtil::stripSlashes($_POST["new_name"]));
00444                 $new_name = str_replace("/", "", $new_name);
00445                 if ($new_name == "")
00446                 {
00447                         $this->ilias->raiseError($this->lng->txt("enter_new_name"),$this->ilias->error_obj->MESSAGE);
00448                 }
00449 
00450                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00451                 $dir = (!empty($cur_subdir))
00452                         ? $this->main_dir."/".$cur_subdir."/"
00453                         : $this->main_dir."/";
00454 
00455                 rename($dir.ilUtil::stripSlashes($_GET["old_name"]), $dir.$new_name);
00456 
00457                 ilUtil::renameExecutables($this->main_dir);
00458 
00459                 $this->ctrl->redirect($this, "listFiles");
00460         }
00461 
00465         function cancelRename()
00466         {
00467                 $this->ctrl->redirect($this, "listFiles");
00468         }
00469 
00473         function createDirectory()
00474         {
00475 
00476                 // determine directory
00477                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00478                 $cur_dir = (!empty($cur_subdir))
00479                         ? $this->main_dir."/".$cur_subdir
00480                         : $this->main_dir;
00481 
00482                 $new_dir = str_replace(".", "", ilUtil::stripSlashes($_POST["new_dir"]));
00483                 $new_dir = str_replace("/", "", $new_dir);
00484 
00485                 if (!empty($new_dir))
00486                 {
00487                         ilUtil::makeDir($cur_dir."/".$new_dir);
00488                 }
00489                 $this->ctrl->saveParameter($this, "cdir");
00490                 $this->ctrl->redirect($this, "listFiles");
00491         }
00492 
00496         function uploadFile()
00497         {
00498                 // determine directory
00499                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00500                 $cur_dir = (!empty($cur_subdir))
00501                         ? $this->main_dir."/".$cur_subdir
00502                         : $this->main_dir;
00503                 if (is_file($_FILES["new_file"]["tmp_name"]))
00504                 {
00505                         move_uploaded_file($_FILES["new_file"]["tmp_name"],
00506                                 $cur_dir."/".ilUtil::stripSlashes($_FILES["new_file"]["name"]));
00507                 }
00508                 $this->ctrl->saveParameter($this, "cdir");
00509 
00510                 ilUtil::renameExecutables($this->main_dir);
00511 
00512                 $this->ctrl->redirect($this, "listFiles");
00513         }
00514 
00515 
00519         function deleteFile()
00520         {
00521                 if (!isset($_POST["file"]))
00522                 {
00523                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00524                 }
00525                 
00526                 foreach ($_POST["file"] as $post_file)
00527                 {
00528                         if (ilUtil::stripSlashes($post_file) == "..")
00529                         {
00530                                 $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00531                                 break;
00532                         }
00533 
00534                         $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00535                         $cur_dir = (!empty($cur_subdir))
00536                                 ? $this->main_dir."/".$cur_subdir
00537                                 : $this->main_dir;
00538                         $file = $cur_dir."/".ilUtil::stripSlashes($post_file);
00539 
00540                         if (@is_file($file))
00541                         {
00542                                 unlink($file);
00543                         }
00544 
00545                         if (@is_dir($file))
00546                         {
00547                                 ilUtil::delDir($file);
00548                         }
00549                 }
00550 
00551                 $this->ctrl->saveParameter($this, "cdir");
00552                 $this->ctrl->redirect($this, "listFiles");
00553         }
00554 
00558         function unzipFile()
00559         {
00560                 if (!isset($_POST["file"]))
00561                 {
00562                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00563                 }
00564 
00565                 if (count($_POST["file"]) > 1)
00566                 {
00567                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00568                 }
00569 
00570                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00571                 $cur_dir = (!empty($cur_subdir))
00572                         ? $this->main_dir."/".$cur_subdir
00573                         : $this->main_dir;
00574                 $file = $cur_dir."/".ilUtil::stripSlashes($_POST["file"][0]);
00575 
00576                 if (@is_file($file))
00577                 {
00578                         ilUtil::unzip($file, true);
00579                 }
00580 
00581                 ilUtil::renameExecutables($this->main_dir);
00582 
00583                 $this->ctrl->saveParameter($this, "cdir");
00584                 $this->ctrl->redirect($this, "listFiles");
00585         }
00586 
00590         function downloadFile()
00591         {
00592                 if (!isset($_POST["file"]))
00593                 {
00594                         $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
00595                 }
00596 
00597                 if (count($_POST["file"]) > 1)
00598                 {
00599                         $this->ilias->raiseError($this->lng->txt("cont_select_max_one_item"),$this->ilias->error_obj->MESSAGE);
00600                 }
00601 
00602                 $cur_subdir = str_replace(".", "", ilUtil::stripSlashes($_GET["cdir"]));
00603                 $cur_dir = (!empty($cur_subdir))
00604                         ? $this->main_dir."/".$cur_subdir
00605                         : $this->main_dir;
00606                 $file = $cur_dir."/".$_POST["file"][0];
00607 
00608                 if (@is_file($file) && !(@is_dir($file)))
00609                 {
00610                         ilUtil::deliverFile($file, $_POST["file"][0]);
00611                         exit;
00612                 }
00613                 else
00614                 {
00615                         $this->ctrl->saveParameter($this, "cdir");
00616                         $this->ctrl->redirect($this, "listFiles");
00617                 }
00618         }
00619 
00623         function getTabs(&$tabs_gui)
00624         {
00625                 // object usages
00626                 $tabs_gui->addTarget("cont_list_files",
00627                         $this->ctrl->getLinkTarget($this, "listFiles"), "listFiles",
00628                         get_class($this));
00629         }
00630 
00631 
00632 }
00633 ?>