ILIAS Release_3_7_x_branch .rev 46817: classes/class.ilObjFileGUI.php Source File

Go to the documentation of this file.
00001 <?php
00002 
00003 /*
00004         +-----------------------------------------------------------------------------+
00005         | ILIAS open source                                                           |
00006         +-----------------------------------------------------------------------------+
00007         | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
00008         |                                                                             |
00009         | This program is free software; you can redistribute it and/or               |
00010         | modify it under the terms of the GNU General Public License                 |
00011         | as published by the Free Software Foundation; either version 2              |
00012         | of the License, or (at your option) any later version.                      |
00013         |                                                                             |
00014         | This program is distributed in the hope that it will be useful,             |
00015         | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
00016         | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
00017         | GNU General Public License for more details.                                |
00018         |                                                                             |
00019         | You should have received a copy of the GNU General Public License           |
00020         | along with this program; if not, write to the Free Software                 |
00021         | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
00022         +-----------------------------------------------------------------------------+
00023 */
00024 
00025 
00026 require_once "class.ilObjectGUI.php";
00027 require_once "./classes/class.ilObjFile.php"; // temp. fix
00028 
00039 class ilObjFileGUI extends ilObjectGUI
00040 {
00045         function ilObjFileGUI($a_data,$a_id,$a_call_by_reference = true, $a_prepare_output = true)
00046         {
00047                 $this->type = "file";
00048                 $this->ilObjectGUI($a_data,$a_id,$a_call_by_reference, false);
00049         }
00050         
00051         function _forwards()
00052         {
00053                 return array();
00054         }
00055         
00056         function &executeCommand()
00057         {
00058                 $next_class = $this->ctrl->getNextClass($this);
00059                 $cmd = $this->ctrl->getCmd();
00060                 $this->prepareOutput();
00061                 
00062 //echo "-$cmd-";
00063                 switch ($next_class)
00064                 {
00065                         case "ilinfoscreengui":
00066                                 $this->infoScreen();    // forwards command
00067                                 break;
00068 
00069                         case 'ilmdeditorgui':
00070 
00071                                 include_once 'Services/MetaData/classes/class.ilMDEditorGUI.php';
00072 
00073                                 $md_gui =& new ilMDEditorGUI($this->object->getId(), 0, $this->object->getType());
00074                                 $md_gui->addObserver($this->object,'MDUpdateListener','General');
00075                                 
00076                                 // todo: make this work
00077                                 $md_gui->addObserver($this->object,'MDUpdateListener','Technical');
00078                                 
00079                                 $this->ctrl->forwardCommand($md_gui);
00080                                 break;
00081                                 
00082                         case 'ilpermissiongui':
00083                                 include_once("./classes/class.ilPermissionGUI.php");
00084                                 $perm_gui =& new ilPermissionGUI($this);
00085                                 $ret =& $this->ctrl->forwardCommand($perm_gui);
00086                                 break;
00087 
00088                         default:
00089                                 if (empty($cmd))
00090                                 {
00091                                         // does not seem to work
00092                                         //$this->ctrl->returnToParent($this);
00093                                         //$cmd = "view";
00094                                         $cmd = "infoScreen";
00095                                 }
00096 
00097                                 $cmd .= "Object";
00098                                 $this->$cmd();
00099                                 break;
00100                 }               
00101         }
00102 
00108         function createObject()
00109         {
00110                 global $rbacsystem;
00111 
00112                 $new_type = $_POST["new_type"] ? $_POST["new_type"] : $_GET["new_type"];
00113 
00114                 if (!$rbacsystem->checkAccess("create", $_GET["ref_id"], $new_type))
00115                 {
00116                         $this->ilErr->raiseError($this->lng->txt("permission_denied"),$this->ilErr->MESSAGE);
00117                 }
00118 
00119                 // fill in saved values in case of error
00120                 $data = array();
00121                 $data["fields"] = array();
00122                 $data["fields"]["title"] = ilUtil::prepareFormOutput($_SESSION["error_post_vars"]["Fobject"]["title"],true);
00123                 $data["fields"]["desc"] = ilUtil::stripSlashes($_SESSION["error_post_vars"]["Fobject"]["desc"]);
00124                 $data["fields"]["file"] = $_SESSION["error_post_vars"]["Fobject"]["file"];
00125 
00126                 $this->getTemplateFile("new",$this->type);
00127 
00128                 $this->tpl->setVariable("TYPE_IMG",ilUtil::getImagePath('icon_file.gif'));
00129                 $this->tpl->setVariable("ALT_IMG", $this->lng->txt('obj_file'));
00130 
00131                 foreach ($data["fields"] as $key => $val)
00132                 {
00133                         $this->tpl->setVariable("TXT_".strtoupper($key), $this->lng->txt($key));
00134                         $this->tpl->setVariable(strtoupper($key), $val);
00135                         #$this->tpl->parseCurrentBlock();
00136                 }
00137                 
00138                 $this->ctrl->setParameter($this, "new_type", $new_type);
00139                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00140 
00141                 $this->tpl->setVariable("TXT_TITLE_NOTE", $this->lng->txt("if_no_title_then_filename"));
00142                 $this->tpl->setVariable("TXT_HEADER", $this->lng->txt($this->type."_new"));
00143                 $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
00144                 $this->tpl->setVariable("TXT_SUBMIT", $this->lng->txt($this->type."_add"));
00145                 $this->tpl->setVariable("TXT_SUBMIT_AND_META", $this->lng->txt("file_add_and_metadata"));
00146                 $this->tpl->setVariable("CMD_SUBMIT", "save");
00147                 $this->tpl->setVariable("CMD_SUBMIT_AND_META", "saveAndMeta");
00148                 $this->tpl->setVariable("TARGET", $this->getTargetFrame("save"));
00149                 $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
00150         }
00151 
00157         function saveObject()
00158         {
00159                 global $rbacsystem, $objDefinition;
00160 
00161                 $data = $_FILES["Fobject"];
00162 
00163                 // delete trailing '/' in filename
00164                 while (substr($data["name"]["file"],-1) == '/')
00165                 {
00166                         $data["name"]["file"] = substr($data["name"]["file"],0,-1);
00167                 }
00168 
00169                 if (empty($data["name"]["file"]))
00170                 {
00171                         $this->ilias->raiseError($this->lng->txt("msg_no_file"),$this->ilias->error_obj->MESSAGE);
00172                 }
00173 
00174                 if (empty($_POST["Fobject"]["title"]))
00175                 {
00176                         $_POST["Fobject"]["title"] = $_FILES["Fobject"]["name"]["file"];
00177                         //$this->ilias->raiseError($this->lng->txt("msg_no_title"),$this->ilias->error_obj->MESSAGE);
00178                 }
00179 
00180                 // create and insert file in grp_tree
00181                 include_once("classes/class.ilObjFile.php");
00182                 $fileObj = new ilObjFile();
00183                 $fileObj->setType($this->type);
00184                 $fileObj->setTitle(ilUtil::stripSlashes($_POST["Fobject"]["title"]));
00185                 $fileObj->setDescription(ilUtil::stripSlashes($_POST["Fobject"]["desc"]));
00186                 $fileObj->setFileName(ilUtil::stripSlashes($_FILES["Fobject"]["name"]["file"]));
00187                 $fileObj->setFileType($_FILES["Fobject"]["type"]["file"]);
00188                 $fileObj->setFileSize($_FILES["Fobject"]["size"]["file"]);
00189                 $fileObj->create();
00190                 $fileObj->createReference();
00191                 $fileObj->putInTree($_GET["ref_id"]);
00192                 $fileObj->setPermissions($_GET["ref_id"]);
00193                 // upload file to filesystem
00194                 $fileObj->createDirectory();
00195                 $fileObj->getUploadFile($_FILES["Fobject"]["tmp_name"]["file"],ilUtil::stripSlashes($_FILES["Fobject"]["name"]["file"]));
00196 
00197                 sendInfo($this->lng->txt("file_added"),true);
00198                 
00199                 $this->ctrl->setParameter($this, "ref_id", $fileObj->getRefId());
00200                 if ($this->ctrl->getCmd() == "saveAndMeta")
00201                 {
00202                         ilUtil::redirect($this->getReturnLocation("save",
00203                                 $this->ctrl->getLinkTargetByClass(array("ilobjfilegui", "ilmdeditorgui"), "listSection")));
00204                 }
00205                 else
00206                 {
00207                         $this->ctrl->returnToParent($this);
00208                 }
00209         }
00210 
00216         function saveAndMetaObject()
00217         {
00218                 $this->saveObject();
00219         }
00220 
00226         function updateObject()
00227         {
00228                 $data = $_FILES["Fobject"];
00229 
00230                 // delete trailing '/' in filename
00231                 while (substr($data["name"]["file"],-1) == '/')
00232                 {
00233                         $data["name"]["file"] = substr($data["name"]["file"],0,-1);
00234                 }
00235 
00236                 if (empty($data["name"]["file"]) && empty($_POST["Fobject"]["title"]))
00237                 {
00238                         $this->ilias->raiseError($this->lng->txt("msg_no_title"),$this->ilias->error_obj->MESSAGE);
00239                 }
00240 
00241                 if (empty($_POST["Fobject"]["title"]))
00242                 {
00243                         $_POST["Fobject"]["title"] = $_FILES["Fobject"]["name"]["file"];
00244                 }
00245 
00246                 if (!empty($data["name"]["file"]))
00247                 {
00248                         $this->object->replaceFile($_FILES["Fobject"]["tmp_name"]["file"],$_FILES["Fobject"]["name"]["file"]);
00249                         $this->object->setFileName($_FILES["Fobject"]["name"]["file"]);
00250                         $this->object->setFileType($_FILES["Fobject"]["type"]["file"]);
00251                         $this->object->setFileSize($_FILES["Fobject"]["size"]["file"]);
00252                 }
00253                 
00254                 $this->object->setTitle(ilUtil::stripSlashes($_POST["Fobject"]["title"]));
00255                 $this->object->setDescription(ilUtil::stripSlashes($_POST["Fobject"]["desc"]));
00256 
00257                 $this->update = $this->object->update();
00258 
00259                 sendInfo($this->lng->txt("msg_obj_modified"),true);
00260 //echo "-".$this->ctrl->getLinkTarget($this)."-";
00261                 ilUtil::redirect($this->getReturnLocation("update",$this->ctrl->getLinkTarget($this, "edit")));
00262         }
00263 
00264         
00270         function editObject()
00271         {
00272                 global $rbacsystem, $ilAccess;
00273 
00274                 if (!$ilAccess->checkAccess("write", "", $this->ref_id))
00275                 {
00276                         $this->ilias->raiseError($this->lng->txt("msg_no_perm_write"),$this->ilias->error_obj->MESSAGE);
00277                 }
00278 
00279                 $fields = array();
00280 
00281                 if ($_SESSION["error_post_vars"])
00282                 {
00283                         // fill in saved values in case of error
00284                         $fields["title"] = ilUtil::prepareFormOutput($_SESSION["error_post_vars"]["Fobject"]["title"],true);
00285                         $fields["desc"] = ilUtil::stripSlashes($_SESSION["error_post_vars"]["Fobject"]["desc"]);
00286                 }
00287                 else
00288                 {
00289                         $fields["title"] = ilUtil::prepareFormOutput($this->object->getTitle());
00290                         $fields["desc"] = ilUtil::stripSlashes($this->object->getDescription());
00291                 }
00292                 
00293                 $this->getTemplateFile("edit");
00294                 $this->tpl->setVariable("TXT_TITLE", $this->lng->txt("title"));
00295                 $this->tpl->setVariable("TITLE", $fields["title"]);
00296                 $this->tpl->setVariable("TXT_DESC", $this->lng->txt("desc"));
00297                 $this->tpl->setVariable("DESC", $fields["desc"]);
00298                 $this->tpl->setVariable("TXT_REPLACE_FILE", $this->lng->txt("replace_file"));
00299                 //$this->tpl->parseCurrentBlock();
00300 
00301                 $obj_str = ($this->call_by_reference) ? "" : "&obj_id=".$this->obj_id;
00302 
00303                 $this->tpl->setVariable("FORMACTION", $this->getFormAction("update",$this->ctrl->getFormAction($this).$obj_str));
00304                 $this->tpl->setVariable("TXT_HEADER", $this->lng->txt($this->object->getType()."_edit"));
00305                 $this->tpl->setVariable("TARGET", $this->getTargetFrame("update"));
00306                 $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
00307                 $this->tpl->setVariable("TXT_SUBMIT", $this->lng->txt("save"));
00308                 $this->tpl->setVariable("CMD_SUBMIT", "update");
00309                 $this->tpl->setVariable("TXT_REQUIRED_FLD", $this->lng->txt("required_field"));
00310                 //$this->tpl->parseCurrentBlock();
00311         }
00312         
00313         function sendFileObject()
00314         {
00315                 global $ilAccess;
00316                 
00317                 if ($ilAccess->checkAccess("read", "", $this->ref_id))
00318                 {
00319                         $this->object->sendFile($_GET["hist_id"]);
00320                 }
00321                 else
00322                 {
00323                         $this->ilErr->raiseError($this->lng->txt("permission_denied"),$this->ilErr->MESSAGE);
00324                 }
00325                 
00326                 return true;
00327         }
00328 
00329 
00335         function versionsObject()
00336         {
00337                 global $rbacsystem, $ilAccess;
00338 
00339                 if (!$ilAccess->checkAccess("read", "", $_GET["ref_id"]))
00340                 {
00341                         $this->ilErr->raiseError($this->lng->txt("permission_denied"),$this->ilErr->MESSAGE);
00342                 }
00343 
00344                 require_once("classes/class.ilHistoryGUI.php");
00345                 
00346                 $hist_gui =& new ilHistoryGUI($this->object->getId());
00347                 
00348                 // not nice, should be changed, if ilCtrl handling
00349                 // has been introduced to administration
00350                 $hist_html = $hist_gui->getVersionsTable(
00351                         array("ref_id" => $_GET["ref_id"], "cmd" => "versions",
00352                         "cmdClass" =>$_GET["cmdClass"], "cmdNode" =>$_GET["cmdNode"]));
00353                 
00354                 $this->tpl->setVariable("ADM_CONTENT", $hist_html);
00355         }
00356         
00362         function infoScreenObject()
00363         {
00364                 $this->ctrl->setCmd("showSummary");
00365                 $this->ctrl->setCmdClass("ilinfoscreengui");
00366                 $this->infoScreen();
00367         }
00368 
00372         function infoScreen()
00373         {
00374                 global $ilAccess;
00375 
00376                 if (!$ilAccess->checkAccess("visible", "", $this->ref_id))
00377                 {
00378                         $this->ilias->raiseError($this->lng->txt("msg_no_perm_read"),$this->ilias->error_obj->MESSAGE);
00379                 }
00380 
00381                 include_once("classes/class.ilInfoScreenGUI.php");
00382                 $info = new ilInfoScreenGUI($this);
00383 
00384                 if ($ilAccess->checkAccess("read", "sendfile", $this->ref_id))
00385                 {
00386                         $info->addButton($this->lng->txt("file_read"), $this->ctrl->getLinkTarget($this, "sendfile"));
00387                 }
00388                 
00389                 $info->enablePrivateNotes();
00390                 
00391                 // standard meta data
00392                 $info->addMetaDataSections($this->object->getId(),0, $this->object->getType());
00393                 
00394                 $info->addSection($this->lng->txt("file_info"));
00395                 $info->addProperty($this->lng->txt("filename"),
00396                         $this->object->getFileName());
00397                 $info->addProperty($this->lng->txt("type"),
00398                         $this->object->getFileType());
00399                 $info->addProperty($this->lng->txt("size"),
00400                         ilObjFile::_lookupFileSize($this->object->getId(), true));
00401                 $info->addProperty($this->lng->txt("version"),
00402                         $this->object->getVersion());
00403 
00404                 // forward the command
00405                 $this->ctrl->forwardCommand($info);
00406         }
00407 
00408 
00409         // get tabs
00410         function getTabs(&$tabs_gui)
00411         {
00412                 global $rbacsystem, $ilAccess;
00413                 
00414 //echo "-".$this->ctrl->getCmd()."-";
00415 
00416                 $this->ctrl->setParameter($this,"ref_id",$this->ref_id);
00417 
00418                 if ($ilAccess->checkAccess("visible", "", $this->ref_id))
00419                 {
00420                         $force_active = (strtolower($_GET["cmdClass"]) == "ilinfoscreengui"
00421                                 || strtolower($_GET["cmdClass"]) == "ilnotegui")
00422                                 ? true
00423                                 : false;
00424                         $tabs_gui->addTarget("info_short",
00425                                  $this->ctrl->getLinkTargetByClass(
00426                                  array("ilobjfilegui", "ilinfoscreengui"), "showSummary"),
00427                                  array("showSummary","", "infoScreen"),
00428                                  "", "", $force_active);
00429                 }
00430 
00431                 if ($ilAccess->checkAccess("write", "", $this->ref_id))
00432                 {
00433                         $tabs_gui->addTarget("edit",
00434                                 $this->ctrl->getLinkTarget($this, "edit"), "edit", "");
00435                 }
00436                 
00437                 // meta data 
00438                 if ($ilAccess->checkAccess("write", "", $this->ref_id))
00439                 {
00440                         $tabs_gui->addTarget("meta_data",
00441                                  $this->ctrl->getLinkTargetByClass(array('ilobjfilegui','ilmdeditorgui'),'listSection'),
00442                                  "", 'ilmdeditorgui');
00443                 }
00444 
00445                 if ($ilAccess->checkAccess("write", "", $this->ref_id))
00446                 {
00447                         $tabs_gui->addTarget("versions",
00448                                 $this->ctrl->getLinkTarget($this, "versions"), "versions", get_class($this));
00449                 }
00450 
00451                 if ($ilAccess->checkAccess("edit_permission", "", $this->ref_id))
00452                 {
00453                         $tabs_gui->addTarget("perm_settings",
00454                                 $this->ctrl->getLinkTargetByClass(array(get_class($this),'ilpermissiongui'), "perm"), array("perm","info","owner"), 'ilpermissiongui');
00455                 }
00456         }
00457         
00458         function _goto($a_target)
00459         {
00460                 global $ilAccess, $ilErr, $lng;
00461 
00462                 if ($ilAccess->checkAccess("visible", "", $a_target))
00463                 {
00464                         $_GET["cmd"] = "infoScreen";
00465                         $_GET["ref_id"] = $a_target;
00466                         include("repository.php");
00467                         exit;
00468                 }
00469                 else if ($ilAccess->checkAccess("read", "", ROOT_FOLDER_ID))
00470                 {
00471                         $_GET["cmd"] = "frameset";
00472                         $_GET["target"] = "";
00473                         $_GET["ref_id"] = ROOT_FOLDER_ID;
00474                         sendInfo(sprintf($lng->txt("msg_no_perm_read_item"),
00475                                 ilObject::_lookupTitle(ilObject::_lookupObjId($a_target))), true);
00476                         include("repository.php");
00477                         exit;
00478                 }
00479 
00480                 $ilErr->raiseError($lng->txt("msg_no_perm_read"), $ilErr->FATAL);
00481 
00482         }
00483 
00484 } // END class.ilObjFileGUI
00485 ?>