ILIAS Release_3_4_x_branch .rev 46804: content/classes/class.ilLMPageObjectGUI.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 
00024 require_once("./content/classes/class.ilLMObjectGUI.php");
00025 require_once("./content/classes/class.ilLMPageObject.php");
00026 require_once("./content/classes/Pages/class.ilPageObjectGUI.php");
00027 //require_once ("content/classes/class.ilEditClipboardGUI.php");
00028 require_once ("content/classes/class.ilInternalLinkGUI.php");
00029 
00043 class ilLMPageObjectGUI extends ilLMObjectGUI
00044 {
00045         var $obj;
00046 
00053         function ilLMPageObjectGUI(&$a_content_obj)
00054         {
00055                 global $ilias, $tpl, $lng;
00056 
00057                 parent::ilLMObjectGUI($a_content_obj);
00058 
00059         }
00060 
00066         function _forwards()
00067         {
00068                 return (array("ilPageObjectGUI", "ilInternalLinkGUI"));
00069         }
00070 
00074         function setLMPageObject(&$a_pg_obj)
00075         {
00076                 $this->obj =& $a_pg_obj;
00077                 $this->obj->setLMId($this->content_object->getId());
00078                 $this->actions = $this->objDefinition->getActions($this->obj->getType());
00079         }
00080 
00084         function &executeCommand()
00085         {
00086 //echo "<br>:cmd:".$this->ctrl->getCmd().":cmdClass:".$this->ctrl->getCmdClass().":"; flush();
00087                 $next_class = $this->ctrl->getNextClass($this);
00088                 $cmd = $this->ctrl->getCmd();
00089 
00090                 switch($next_class)
00091                 {
00092                         case "ilpageobjectgui":
00093                         
00094                                 // Determine whether the view of a learning resource should
00095                                 // be shown in the frameset of ilias, or in a separate window.
00096                                 $showViewInFrameset = $this->ilias->ini->readVariable("layout","view_target") == "frame";
00097                         
00098                                 $this->ctrl->setReturn($this, "view");
00099                                 //require_once("content/classes/class.ilContObjLocatorGUI.php");
00100                                 //$contObjLocator =& new ilContObjLocatorGUI($this->content_object->getTree());
00101                                 //$contObjLocator->setObject($this->obj);
00102                                 //$contObjLocator->setContentObject($this->content_object);
00103                                 $page_object =& $this->obj->getPageObject();
00104                                 $page_object->buildDom();
00105                                 $page_object->addUpdateListener($this, "updateHistory");
00106                                 $int_links = $page_object->getInternalLinks();
00107                                 $link_xml = $this->getLinkXML($int_links);
00108                                 $page_gui =& new ilPageObjectGUI($page_object);
00109                                 
00110                                 // set page view link
00111                                 if ($showViewInFrameset)
00112                                 {
00113                                         $view_frame = "bottom";
00114                                 }
00115                                 else
00116                                 {
00117                                         $view_frame = "ilContObj".$this->content_object->getID();
00118                                 }
00119                                 $page_gui->setViewPageLink("../goto.php?target=pg_".$this->obj->getId(),
00120                                         $view_frame);
00121                                         
00122                                 $page_gui->setIntLinkHelpDefault("StructureObject", $_GET["ref_id"]);
00123                                 $page_gui->setTemplateTargetVar("ADM_CONTENT");
00124                                 $page_gui->setLinkXML($link_xml);
00125                                 $page_gui->enableChangeComments($this->content_object->isActiveHistoryUserComments());
00126                                 $page_gui->setFileDownloadLink("lm_presentation.php?cmd=downloadFile".
00127                                         "&amp;ref_id=".$this->content_object->getRefId());
00128                                 $page_gui->setFullscreenLink("lm_presentation.php?cmd=fullscreen".
00129                                         "&amp;ref_id=".$this->content_object->getRefId());
00130                                 $page_gui->setLinkParams("ref_id=".$this->content_object->getRefId());
00131                                 $page_gui->setSourcecodeDownloadScript("lm_presentation.php?ref_id=".$this->content_object->getRefId());
00132                                 $page_gui->setPresentationTitle(
00133                                         ilLMPageObject::_getPresentationTitle($this->obj->getId(),
00134                                         $this->content_object->getPageHeader(), $this->content_object->isActiveNumbering()));
00135                                 $page_gui->setLocator($contObjLocator);
00136                                 $page_gui->setHeader($this->lng->txt("page").": ".$this->obj->getTitle());
00137                                 $ret =& $this->ctrl->forwardCommand($page_gui);
00138                                 //$ret =& $page_gui->executeCommand();
00139                                 break;
00140 
00141                         default:
00142                                 $ret =& $this->$cmd();
00143                                 break;
00144                 }
00145         }
00146 
00147 
00148         /*
00149         * display content of page (edit view)
00150         */
00151         function view()
00152         {
00153 //echo "<br>umschuss";
00154                 $this->ctrl->setCmdClass("ilpageobjectgui");
00155                 $this->ctrl->setCmd("view");
00156                 $this->executeCommand();
00157                 $this->setTabs();
00158         }
00159 
00160         /*
00161         * display content of page (edit view)
00162         */
00163         function preview()
00164         {
00165                 $this->ctrl->setCmdClass("ilpageobjectgui");
00166                 $this->ctrl->setCmd("preview");
00167                 $this->executeCommand();
00168                 $this->setTabs();
00169         }
00170 
00171 
00175         function save()
00176         {
00177                 // create new object
00178                 $meta_data =& new ilMetaData($_GET["new_type"], $this->content_object->getId());
00179 
00180                 $this->obj =& new ilLMPageObject($this->content_object);
00181                 $this->obj->assignMetaData($meta_data);
00182                 $this->obj->setType("pg");
00183                 $this->obj->setTitle(ilUtil::stripSlashes($_POST["Fobject"]["title"]));
00184                 $this->obj->setDescription(ilUtil::stripSlashes($_POST["Fobject"]["desc"]));
00185                 $this->obj->setLMId($this->content_object->getId());
00186                 $this->obj->create();
00187 
00188                 // obj_id is empty, if page is created from "all pages" screen
00189                 // -> a free page is created (not in the tree)
00190 //echo "<br>savePage:".$_GET["obj_id"].":";
00191                 if ($_GET["obj_id"] != 0)
00192                 {
00193                         $this->putInTree();
00194 
00195                         // check the tree
00196                         $this->checkTree();
00197 
00198                         ilUtil::redirect($this->ctrl->getLinkTargetByClass("ilStructureObjectGUI",
00199                                 "view", "", true));
00200                 }
00201         }
00202 
00206         function cancel()
00207         {
00208                 sendInfo($this->lng->txt("msg_cancel"), true);
00209                 if ($_GET["obj_id"] != 0)
00210                 {
00211                         ilUtil::redirect($this->ctrl->getLinkTargetByClass("ilStructureObjectGUI",
00212                                 "view", "", true));
00213                 }
00214                 //$this->ctrl->returnToParent($this);
00215         }
00216 
00220         function getLinkXML($a_int_links)
00221         {
00222                 if ($a_layoutframes == "")
00223                 {
00224                         $a_layoutframes = array();
00225                 }
00226                 $link_info = "<IntLinkInfos>";
00227                 foreach ($a_int_links as $int_link)
00228                 {
00229                         $target = $int_link["Target"];
00230                         if (substr($target, 0, 4) == "il__")
00231                         {
00232                                 $target_arr = explode("_", $target);
00233                                 $target_id = $target_arr[count($target_arr) - 1];
00234                                 $type = $int_link["Type"];
00235                                 $targetframe = ($int_link["TargetFrame"] != "")
00236                                         ? $int_link["TargetFrame"]
00237                                         : "None";
00238                                         
00239                                 switch($type)
00240                                 {
00241                                         case "PageObject":
00242                                         case "StructureObject":
00243                                                 $lm_id = ilLMObject::_lookupContObjID($target_id);
00244                                                 $cont_obj =& $this->content_object;
00245                                                 if ($lm_id == $cont_obj->getId())
00246                                                 {
00247                                                         if ($type == "PageObject")
00248                                                         {
00249                                                                 $this->ctrl->setParameter($this, "obj_id", $target_id);
00250                                                                 $href = $this->ctrl->getLinkTargetByClass(get_class($this), "view", "", true);
00251                                                         }
00252                                                         else
00253                                                         {
00254                                                                 $this->ctrl->setParameterByClass("ilstructureobjectgui", "obj_id", $target_id);
00255                                                                 $href = $this->ctrl->getLinkTargetByClass("ilstructureobjectgui", "view", "", true);
00256                                                         }
00257                                                         $href = str_replace("&", "&amp;", $href);
00258                                                         $this->ctrl->setParameter($this, "obj_id", $_GET["obj_id"]);
00259                                                 }
00260                                                 else
00261                                                 {
00262                                                         if ($type == "PageObject")
00263                                                         {
00264                                                                 $href = "../goto.php?target=pg_".$target_id;
00265                                                         }
00266                                                         else
00267                                                         {
00268                                                                 $href = "../goto.php?target=st_".$target_id;
00269                                                         }
00270                                                         $ltarget = "ilContObj".$lm_id;
00271                                                 }
00272                                                 break;
00273 
00274                                         case "GlossaryItem":
00275                                                 $ltarget = $nframe = "_new";
00276                                                 $href = "lm_presentation.php?obj_type=$type&amp;cmd=glossary&amp;ref_id=".$_GET["ref_id"].
00277                                                         "&amp;obj_id=".$target_id."&amp;frame=$nframe";
00278                                                 break;
00279 
00280                                         case "MediaObject":
00281                                                 $ltarget = $nframe = "_new";
00282                                                 $href = "lm_presentation.php?obj_type=$type&amp;cmd=media&amp;ref_id=".$_GET["ref_id"].
00283                                                         "&amp;mob_id=".$target_id."&amp;frame=$nframe";
00284                                                 break;
00285                                                 
00286                                         case "RepositoryItem":
00287                                                 $obj_type = ilObject::_lookupType($target_id, true);
00288                                                 $obj_id = ilObject::_lookupObjId($target_id);
00289                                                 $href = "../goto.php?target=".$obj_type."_".$target_id;
00290                                                 $t_frame = ilFrameTargetInfo::_getFrame("MainContent", $obj_type);
00291                                                 $ltarget = $t_frame;
00292                                                 break;
00293                                 }
00294                                 $link_info.="<IntLinkInfo Target=\"$target\" Type=\"$type\" ".
00295                                         "TargetFrame=\"$targetframe\" LinkHref=\"$href\" LinkTarget=\"$ltarget\" />";
00296                         }
00297                 }
00298                 $link_info.= "</IntLinkInfos>";
00299 
00300                 return $link_info;
00301         }
00302         
00303         
00309         function history()
00310         {
00311                 $this->setTabs();
00312                 
00313                 require_once("classes/class.ilHistoryGUI.php");
00314                 $hist_gui =& new ilHistoryGUI($this->obj->getId() ,
00315                         $this->content_object->getType().":pg");
00316                 $hist_html = $hist_gui->getHistoryTable(
00317                         $this->ctrl->getParameterArray($this, "history"),
00318                         $this->content_object->isActiveHistoryUserComments()
00319                         );
00320                 
00321                 $this->tpl->setVariable("ADM_CONTENT", $hist_html);
00322         }
00323 
00327         function updateHistory()
00328         {
00329                 require_once("classes/class.ilHistory.php");
00330                 ilHistory::_createEntry($this->obj->getId(), "update",
00331                         "", $this->content_object->getType().":pg",
00332                         "", true);
00333         }
00334 
00335 
00339         function setTabs()
00340         {
00341                 // catch feedback message
00342                 include_once("classes/class.ilTabsGUI.php");
00343                 $tabs_gui =& new ilTabsGUI();
00344                 $this->getTabs($tabs_gui);
00345                 $this->tpl->setVariable("TABS", $tabs_gui->getHTML());
00346                 $this->tpl->setVariable("HEADER",
00347                         $this->lng->txt($this->obj->getType()).": ".$this->obj->getTitle());
00348         }
00349 
00355         function getTabs(&$tabs_gui)
00356         {
00357                 // back to upper context
00358                 $tabs_gui->addTarget("edit", $this->ctrl->getLinkTarget($this, "view")
00359                         , "view", get_class($this));
00360 
00361                 $tabs_gui->addTarget("cont_preview", $this->ctrl->getLinkTarget($this, "preview")
00362                         , "preview", get_class($this));
00363 
00364                 $tabs_gui->addTarget("meta_data", $this->ctrl->getLinkTarget($this, "editMeta")
00365                         , "editMeta", get_class($this));
00366 
00367                 $tabs_gui->addTarget("history", $this->ctrl->getLinkTarget($this, "history")
00368                         , "history", get_class($this));
00369 
00370                 $tabs = $this->ctrl->getTabs();
00371                 foreach ($tabs as $tab)
00372                 {
00373                         $tabs_gui->addTarget($tab["lang_var"], $tab["link"]
00374                                 , $tab["cmd"], $tab["class"]);
00375                 }
00376 
00377                 //$tabs_gui->addTarget("clipboard", $this->ctrl->getLinkTargetByClass("ilEditClipboardGUI", "view")
00378                 //      , "view", "ilEditClipboardGUI");
00379 
00380         }
00381 
00382 
00383 }
00384 ?>