ILIAS Release_3_5_x_branch .rev 46805: content/classes/Pages/class.ilPCMediaObjectGUI.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/Pages/class.ilPageContentGUI.php");
00025 //require_once ("content/classes/Pages/class.ilMediaObject.php");
00026 require_once ("content/classes/Pages/class.ilMediaAliasItem.php");
00027 require_once ("content/classes/Media/class.ilObjMediaObjectGUI.php");
00028 
00039 // Todo: extend ilObjMediaObjectGUI !?
00040 class ilPCMediaObjectGUI extends ilPageContentGUI
00041 {
00042         var $header;
00043         var $ctrl;
00044 
00045         function ilPCMediaObjectGUI(&$a_pg_obj, &$a_content_obj, $a_hier_id = 0)
00046         {
00047                 global $ilCtrl;
00048 
00049                 $this->ctrl =& $ilCtrl;
00050 
00051 //echo "constructor target:".$_SESSION["il_map_il_target"].":<br>";
00052                 parent::ilPageContentGUI($a_pg_obj, $a_content_obj, $a_hier_id);
00053         }
00054 
00055         function _forwards()
00056         {
00057                 return array();
00058         }
00059 
00060         function setHeader($a_title = "")
00061         {
00062                 $this->header = $a_title;
00063         }
00064 
00065         function getHeader()
00066         {
00067                 return $this->header;
00068         }
00069 
00070 
00074         function insert($a_post_cmd = "edpost", $a_submit_cmd = "create_mob")
00075         {
00076                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mob_new.html", "content");
00077                 $this->tpl->setVariable("TXT_ACTION", $this->lng->txt("cont_insert_mob"));
00078                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00079 
00080                 $this->displayValidationError();
00081 
00082                 // select fields for number of columns
00083                 $this->tpl->setVariable("TXT_STANDARD_VIEW", $this->lng->txt("cont_std_view"));
00084                 $this->tpl->setVariable("TXT_FILE", $this->lng->txt("cont_file"));
00085                 $this->tpl->setVariable("TXT_REFERENCE", $this->lng->txt("cont_reference"));
00086                 $this->tpl->setVariable("TXT_REF_HELPTEXT", $this->lng->txt("cont_ref_helptext"));
00087                 $this->tpl->setVariable("TXT_WIDTH", $this->lng->txt("cont_width"));
00088                 $this->tpl->setVariable("TXT_HEIGHT", $this->lng->txt("cont_height"));
00089                 $this->tpl->setVariable("TXT_ORIGINAL_SIZE", $this->lng->txt("cont_orig_size"));
00090                 $this->tpl->setVariable("TXT_CAPTION", $this->lng->txt("cont_caption"));
00091                 $this->tpl->setVariable("TXT_FULLSCREEN_VIEW", $this->lng->txt("cont_fullscreen"));
00092                 $this->tpl->setVariable("TXT_PARAMETER", $this->lng->txt("cont_parameter"));
00093                 $this->tpl->setVariable("TXT_RESIZE", $this->lng->txt("cont_resize_image"));
00094                 $this->tpl->setVariable("TXT_RESIZE_EXPLANATION", $this->lng->txt("cont_resize_explanation"));
00095                 $this->tpl->parseCurrentBlock();
00096 
00097                 // operations
00098                 $this->tpl->setCurrentBlock("commands");
00099                 $this->tpl->setVariable("BTN_NAME", $a_submit_cmd);
00100                 $this->tpl->setVariable("BTN_TEXT", $this->lng->txt("save"));
00101                 $this->tpl->setVariable("BTN_CANCEL", "cancelCreate");
00102                 $this->tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
00103                 $this->tpl->parseCurrentBlock();
00104 
00105         }
00106 
00110         function &create($a_create_alias = true)
00111         {
00112                 // determinte title and format
00113                 if ($_POST["standard_type"] == "File")
00114                 {
00115                         $title = $_FILES['standard_file']['name'];
00116                 }
00117                 else
00118                 {
00119                         $title = $_POST["standard_reference"];
00120                 }
00121 
00122                 // create dummy object in db (we need an id)
00123                 $this->content_obj = new ilObjMediaObject();
00124                 $this->content_obj->setTitle($title);
00125                 $this->content_obj->setDescription("");
00126                 $this->content_obj->create();
00127 
00128                 // determine and create mob directory, move uploaded file to directory
00129                 //$mob_dir = ilUtil::getWebspaceDir()."/mobs/mm_".$this->content_obj->getId();
00130                 $this->content_obj->createDirectory();
00131                 $mob_dir = ilObjMediaObject::_getDirectory($this->content_obj->getId());
00132 
00133                 $media_item =& new ilMediaItem();
00134                 $this->content_obj->addMediaItem($media_item);
00135                 $media_item->setPurpose("Standard");
00136 
00137                 if ($_POST["standard_type"] == "File")
00138                 {
00139                         $file = $mob_dir."/".$_FILES['standard_file']['name'];
00140                         //move_uploaded_file($_FILES['standard_file']['tmp_name'], $file);
00141                         if (!ilUtil::moveUploadedFile($_FILES['standard_file']['tmp_name'],
00142                                 $_FILES['standard_file']['name'], $file, false))
00143                         {
00144                                 $this->content_obj->delete();
00145                                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00146                                 return;
00147                         }
00148 
00149                         // get mime type
00150                         $format = ilObjMediaObject::getMimeType($file);
00151                         $location = $_FILES['standard_file']['name'];
00152 
00153                         // resize standard images
00154                         if ($_POST["standard_size"] != "original" &&
00155                                 $_POST["standard_resize"] == "y" &&
00156                                 is_int(strpos($format, "image")))
00157                         {
00158                                 $location = ilObjMediaObject::_resizeImage($file, $_POST["standard_width"],
00159                                         $_POST["standard_height"]);
00160                         }
00161 
00162                         // set real meta and object data
00163                         $media_item->setFormat($format);
00164                         $media_item->setLocation($location);
00165                         $media_item->setLocationType("LocalFile");
00166                         $this->content_obj->setTitle($_FILES['standard_file']['name']);
00167                 }
00168                 else    // standard type: reference
00169                 {
00170                         $format = ilObjMediaObject::getMimeType($_POST["standard_reference"]);
00171                         $media_item->setFormat($format);
00172                         $media_item->setLocation($_POST["standard_reference"]);
00173                         $media_item->setLocationType("Reference");
00174                         $this->content_obj->setTitle($_POST["standard_reference"]);
00175                 }
00176 
00177                 $this->content_obj->setDescription($format);
00178 
00179                 // determine width and height of known image types
00180                 if ($_POST["standard_size"] == "original")
00181                 {
00182                         if (ilUtil::deducibleSize($format))
00183                         {
00184                                 $size = getimagesize($file);
00185                                 $media_item->setWidth($size[0]);
00186                                 $media_item->setHeight($size[1]);
00187                         }
00188                 }
00189                 else
00190                 {
00191                         $media_item->setWidth($_POST["standard_width"]);
00192                         $media_item->setHeight($_POST["standard_height"]);
00193                 }
00194 
00195                 if ($_POST["standard_caption"] != "")
00196                 {
00197                         $media_item->setCaption($_POST["standard_caption"]);
00198                 }
00199 
00200                 if ($_POST["standard_param"] != "")
00201                 {
00202                         $media_item->setParameters(ilUtil::stripSlashes(utf8_decode($_POST["standard_param"])));
00203                 }
00204 
00205                 $media_item->setHAlign("Left");
00206 
00207                 // fullscreen view
00208                 if ($_POST["fullscreen"] == "y")
00209                 {
00210                         $media_item =& new ilMediaItem();
00211                         $this->content_obj->addMediaItem($media_item);
00212                         $media_item->setPurpose("Fullscreen");
00213 
00214                         // file
00215                         if ($_POST["full_type"] == "File")
00216                         {
00217                                 if ($_FILES['full_file']['name'] != "")
00218                                 {
00219                                         $file = $mob_dir."/".$_FILES['full_file']['name'];
00220                                         //move_uploaded_file($_FILES['full_file']['tmp_name'], $file);
00221                                         if (!ilUtil::moveUploadedFile($_FILES['full_file']['tmp_name'],
00222                                                 $_FILES['full_file']['name'], $file, false))
00223                                         {
00224                                                 $this->content_obj->delete();
00225                                                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00226                                                 return;
00227                                         }
00228                                 }
00229 
00230                                 if ($_FILES['full_file']['name'] != "" ||
00231                                                 ($_POST["full_size"] != "original" &&
00232                                                 $_POST["full_resize"] == "y" &&
00233                                                 is_int(strpos($format, "image")))
00234                                         )
00235                                 {
00236                                         // set real meta and object data
00237                                         $format = ilObjMediaObject::getMimeType($file);
00238                                         $location = $_FILES['full_file']['name'];
00239 
00240                                         // resize fullscreen images
00241                                         if ($_POST["full_size"] != "original" &&
00242                                                 $_POST["full_resize"] == "y" &&
00243                                                 is_int(strpos($format, "image")))
00244                                         {
00245                                                 $location = ilObjMediaObject::_resizeImage($file, $_POST["full_width"],
00246                                                         $_POST["full_height"]);
00247                                         }
00248                                 }
00249 
00250                                 $media_item->setFormat($format);
00251                                 $media_item->setLocation($location);
00252                                 $media_item->setLocationType("LocalFile");
00253 
00254                         }
00255                         else    // reference
00256                         {
00257                                 if ($_POST["full_reference"] != "")
00258                                 {
00259                                         $format = ilObjMediaObject::getMimeType($_POST["full_reference"]);
00260                                         $media_item->setFormat($format);
00261                                         $media_item->setLocation($_POST["full_reference"]);
00262                                         $media_item->setLocationType("Reference");
00263                                 }
00264                         }
00265 
00266                         // determine width and height of known image types
00267                         if ($_POST["full_size"] == "original")
00268                         {
00269                                 if (ilUtil::deducibleSize($format))
00270                                 {
00271                                         $size = getimagesize($file);
00272                                         $media_item->setWidth($size[0]);
00273                                         $media_item->setHeight($size[1]);
00274                                 }
00275                         }
00276                         else
00277                         {
00278                                 $media_item->setWidth($_POST["full_width"]);
00279                                 $media_item->setHeight($_POST["full_height"]);
00280                         }
00281 
00282                         if ($_POST["full_caption"] != "")
00283                         {
00284                                 $media_item->setCaption($_POST["full_caption"]);
00285                         }
00286 
00287                         if ($_POST["full_param"] != "")
00288                         {
00289                                 $media_item->setParameters(ilUtil::stripSlashes(utf8_decode($_POST["full_param"])));
00290                         }
00291 
00292                 }
00293                 ilUtil::renameExecutables($mob_dir);
00294                 $this->content_obj->update();
00295 
00296                 if ($a_create_alias)
00297                 {
00298                         $this->content_obj->setDom($this->dom);
00299                         $this->content_obj->createAlias($this->pg_obj, $this->hier_id);
00300                         $this->updated = $this->pg_obj->update();
00301                         if ($this->updated === true)
00302                         {
00303                                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00304                         }
00305                         else
00306                         {
00307                                 $this->insert();
00308                         }
00309                 }
00310                 else
00311                 {
00312                         return $this->content_obj;
00313                 }
00314         }
00315 
00316 
00317 
00321         function editAlias()
00322         {
00323                 //add template for view button
00324                 $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
00325 
00326                 //$item_nr = $this->content_obj->getMediaItemNr("Standard");
00327                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00328                 $std_item =& $this->content_obj->getMediaItem("Standard");
00329 //echo htmlentities($this->dom->dump_node($std_alias_item->item_node));
00330                 // edit media alias template
00331                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mob_alias_properties.html", "content");
00332                 $this->tpl->setVariable("TXT_ACTION", $this->lng->txt("cont_edit_mob_alias_prop"));
00333                 $this->tpl->setVariable("TXT_STANDARD_VIEW", $this->lng->txt("cont_std_view"));
00334                 $this->tpl->setVariable("TXT_DERIVE", $this->lng->txt("cont_derive_from_obj"));
00335                 $this->tpl->setVariable("TXT_TYPE", $this->lng->txt("cont_".$std_item->getLocationType()));
00336                 $this->tpl->setVariable("TXT_LOCATION", $std_item->getLocation());
00337                 $this->tpl->setVariable("TXT_FORMAT", $this->lng->txt("cont_format"));
00338                 $this->tpl->setVariable("VAL_FORMAT", $std_item->getFormat());
00339                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00340 
00341                 $this->displayValidationError();
00342 
00343                 // width
00344                 $this->tpl->setVariable("TXT_MOB_WIDTH", $this->lng->txt("cont_width"));
00345                 $this->tpl->setVariable("INPUT_MOB_WIDTH", "mob_width");
00346                 $this->tpl->setVariable("VAL_MOB_WIDTH", $std_alias_item->getWidth());
00347 
00348                 // height
00349                 $this->tpl->setVariable("TXT_MOB_HEIGHT", $this->lng->txt("cont_height"));
00350                 $this->tpl->setVariable("INPUT_MOB_HEIGHT", "mob_height");
00351                 $this->tpl->setVariable("VAL_MOB_HEIGHT", $std_alias_item->getHeight());
00352 
00353                 // caption
00354                 $this->tpl->setVariable("TXT_CAPTION", $this->lng->txt("cont_caption"));
00355                 $this->tpl->setVariable("INPUT_CAPTION", "mob_caption");
00356                 $this->tpl->setVariable("VAL_CAPTION", $std_alias_item->getCaption());
00357                 $this->tpl->parseCurrentBlock();
00358 
00359                 // parameters
00360                 $this->tpl->setVariable("TXT_PARAMETER", $this->lng->txt("cont_parameter"));
00361                 $this->tpl->setVariable("INPUT_PARAMETERS", "mob_parameters");
00362                 $this->tpl->setVariable("VAL_PARAMETERS", $std_alias_item->getParameterString());
00363                 $this->tpl->parseCurrentBlock();
00364 
00365                 // object default values
00366                 $this->tpl->setVariable("VAL_OBJ_ST_SIZE", $std_item->getWidth()." / ".$std_item->getHeight());
00367                 $this->tpl->setVariable("VAL_OBJ_ST_CAPTION", $std_item->getCaption());
00368                 $this->tpl->setVariable("VAL_OBJ_ST_PARAMETERS", $std_item->getParameterString());
00369                 if ($std_alias_item->definesSize())
00370                 {
00371                         $this->tpl->setVariable("DERIVE_ST_SIZE_N", "checked=\"1\"");
00372                 }
00373                 else
00374                 {
00375                         $this->tpl->setVariable("DERIVE_ST_SIZE_Y", "checked=\"1\"");
00376                 }
00377                 if ($std_alias_item->definesCaption())
00378                 {
00379                         $this->tpl->setVariable("DERIVE_ST_CAPTION_N", "checked=\"1\"");
00380                 }
00381                 else
00382                 {
00383                         $this->tpl->setVariable("DERIVE_ST_CAPTION_Y", "checked=\"1\"");
00384                 }
00385                 if ($std_alias_item->definesParameters())
00386                 {
00387                         $this->tpl->setVariable("DERIVE_ST_PARAMETER_N", "checked=\"1\"");
00388                 }
00389                 else
00390                 {
00391                         $this->tpl->setVariable("DERIVE_ST_PARAMETER_Y", "checked=\"1\"");
00392                 }
00393 
00394                 // fullscreen view
00395                 if($this->content_obj->hasFullScreenItem())
00396                 {
00397                         $this->tpl->setCurrentBlock("fullscreen");
00398                         $full_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Fullscreen");
00399                         $full_item =& $this->content_obj->getMediaItem("Fullscreen");
00400 
00401                         $this->tpl->setVariable("TXT_FULLSCREEN_VIEW", $this->lng->txt("cont_fullscreen"));
00402                         $this->tpl->setVariable("TXT_FULL_TYPE", $this->lng->txt("cont_".$full_item->getLocationType()));
00403                         $this->tpl->setVariable("TXT_FULL_LOCATION", $full_item->getLocation());
00404 
00405                         $this->tpl->setVariable("TXT_FULL_FORMAT", $this->lng->txt("cont_format"));
00406                         $this->tpl->setVariable("VAL_FULL_FORMAT", $full_item->getFormat());
00407 
00408                         // width text
00409                         $this->tpl->setVariable("TXT_FULL_WIDTH", $this->lng->txt("cont_width"));
00410                         $this->tpl->setVariable("INPUT_FULL_WIDTH", "full_width");
00411 
00412                         // height text
00413                         $this->tpl->setVariable("TXT_FULL_HEIGHT", $this->lng->txt("cont_height"));
00414                         $this->tpl->setVariable("INPUT_FULL_HEIGHT", "full_height");
00415 
00416                         // caption text
00417                         $this->tpl->setVariable("TXT_FULL_CAPTION", $this->lng->txt("cont_caption"));
00418                         $this->tpl->setVariable("INPUT_FULL_CAPTION", "full_caption");
00419 
00420                         // parameters text
00421                         $this->tpl->setVariable("TXT_FULL_PARAMETER", $this->lng->txt("cont_parameter"));
00422                         $this->tpl->setVariable("INPUT_FULL_PARAMETERS", "full_parameters");
00423 
00424                         // object default values
00425                         $this->tpl->setVariable("VAL_OBJ_FULL_SIZE", $full_item->getWidth()." / ".$full_item->getHeight());
00426                         $this->tpl->setVariable("VAL_OBJ_FULL_CAPTION", $full_item->getCaption());
00427                         $this->tpl->setVariable("VAL_OBJ_FULL_PARAMETERS", $full_item->getParameterString());
00428                         if ($full_alias_item->definesSize())
00429                         {
00430                                 $this->tpl->setVariable("DERIVE_FULL_SIZE_N", "checked=\"1\"");
00431                         }
00432                         else
00433                         {
00434                                 $this->tpl->setVariable("DERIVE_FULL_SIZE_Y", "checked=\"1\"");
00435                         }
00436                         if ($full_alias_item->definesCaption())
00437                         {
00438                                 $this->tpl->setVariable("DERIVE_FULL_CAPTION_N", "checked=\"1\"");
00439                         }
00440                         else
00441                         {
00442                                 $this->tpl->setVariable("DERIVE_FULL_CAPTION_Y", "checked=\"1\"");
00443                         }
00444                         if ($full_alias_item->definesParameters())
00445                         {
00446                                 $this->tpl->setVariable("DERIVE_FULL_PARAMETER_N", "checked=\"1\"");
00447                         }
00448                         else
00449                         {
00450                                 $this->tpl->setVariable("DERIVE_FULL_PARAMETER_Y", "checked=\"1\"");
00451                         }
00452 
00453                         if ($full_alias_item->exists())
00454                         {
00455                                 $this->tpl->setVariable("FULLSCREEN_CHECKED", "checked=\"1\"");
00456 
00457                                 // width
00458                                 $this->tpl->setVariable("VAL_FULL_WIDTH", $full_alias_item->getWidth());
00459 
00460                                 // height
00461                                 $this->tpl->setVariable("VAL_FULL_HEIGHT", $full_alias_item->getHeight());
00462 
00463                                 // caption
00464                                 $this->tpl->setVariable("VAL_FULL_CAPTION", $full_alias_item->getCaption());
00465 
00466                                 // parameters
00467                                 $this->tpl->setVariable("VAL_FULL_PARAMETERS", $full_alias_item->getParameterString());
00468                         }
00469 
00470                         $this->tpl->parseCurrentBlock();
00471                 }
00472 
00473                 // operations
00474                 $this->tpl->setCurrentBlock("commands");
00475                 $this->tpl->setVariable("BTN_NAME", "saveAliasProperties");
00476                 $this->tpl->setVariable("BTN_TEXT", $this->lng->txt("save"));
00477                 $this->tpl->parseCurrentBlock();
00478 
00479         }
00480 
00481 
00485         function saveAliasProperties()
00486         {
00487                 $std_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00488                 $full_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Fullscreen");
00489 
00490                 // standard size
00491                 if($_POST["derive_st_size"] == "y")
00492                 {
00493                         $std_item->deriveSize();
00494                 }
00495                 else
00496                 {
00497                         $std_item->setWidth($_POST["mob_width"]);
00498                         $std_item->setHeight($_POST["mob_height"]);
00499                 }
00500 
00501                 // standard caption
00502                 if($_POST["derive_st_caption"] == "y")
00503                 {
00504                         $std_item->deriveCaption();
00505                 }
00506                 else
00507                 {
00508                         $std_item->setCaption($_POST["mob_caption"]);
00509                 }
00510 
00511                 // standard parameters
00512                 if($_POST["derive_st_parameter"] == "y")
00513                 {
00514                         $std_item->deriveParameters();
00515                 }
00516                 else
00517                 {
00518                         $std_item->setParameters(ilUtil::extractParameterString(ilUtil::stripSlashes(utf8_decode($_POST["mob_parameters"]))));
00519                 }
00520 
00521                 if($this->content_obj->hasFullscreenItem())
00522                 {
00523                         if ($_POST["fullscreen"] ==  "y")
00524                         {
00525                                 if (!$full_item->exists())
00526                                 {
00527                                         $full_item->insert();
00528                                 }
00529 
00530                                 // fullscreen size
00531                                 if($_POST["derive_full_size"] == "y")
00532                                 {
00533                                         $full_item->deriveSize();
00534                                 }
00535                                 else
00536                                 {
00537                                         $full_item->setWidth($_POST["full_width"]);
00538                                         $full_item->setHeight($_POST["full_height"]);
00539                                 }
00540 
00541                                 // fullscreen caption
00542                                 if($_POST["derive_full_caption"] == "y")
00543                                 {
00544                                         $full_item->deriveCaption();
00545                                 }
00546                                 else
00547                                 {
00548                                         $full_item->setCaption($_POST["full_caption"]);
00549                                 }
00550 
00551                                 // fullscreen parameters
00552                                 if($_POST["derive_full_parameter"] == "y")
00553                                 {
00554                                         $full_item->deriveParameters();
00555                                 }
00556                                 else
00557                                 {
00558                                         $full_item->setParameters(ilUtil::extractParameterString(ilUtil::stripSlashes(utf8_decode($_POST["full_parameters"]))));
00559                                 }
00560                         }
00561                         else
00562                         {
00563                                 if ($full_item->exists())
00564                                 {
00565                                         $full_item->delete();
00566                                 }
00567                         }
00568                 }
00569 
00570                 $this->updated = $this->pg_obj->update();
00571                 if ($this->updated === true)
00572                 {
00573                         $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00574                 }
00575                 else
00576                 {
00577                         $this->pg_obj->addHierIDs();
00578                         $this->edit();
00579                 }
00580         }
00581 
00585         function &executeCommand()
00586         {
00587                 // get next class that processes or forwards current command
00588                 $next_class = $this->ctrl->getNextClass($this);
00589 
00590                 // get current command
00591                 $cmd = $this->ctrl->getCmd();
00592 
00593                 switch($next_class)
00594                 {
00595                         default:
00596                                 $ret =& $this->$cmd();
00597                                 break;
00598                 }
00599 
00600                 return $ret;
00601         }
00602 
00603 
00607         function copyToClipboard()
00608         {
00609                 $this->ilias->account->addObjectToClipboard($this->content_obj->getId(), $this->content_obj->getType()
00610                         , $this->content_obj->getTitle());
00611                 sendInfo($this->lng->txt("copied_to_clipboard"), true);
00612                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00613         }
00614 
00618         function centerAlign()
00619         {
00620                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00621                 $std_alias_item->setHorizontalAlign("Center");
00622                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00623                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00624         }
00625 
00629         function leftAlign()
00630         {
00631                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00632                 $std_alias_item->setHorizontalAlign("Left");
00633                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00634                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00635         }
00636 
00640         function rightAlign()
00641         {
00642                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00643                 $std_alias_item->setHorizontalAlign("Right");
00644                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00645                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00646         }
00647 
00651         function leftFloatAlign()
00652         {
00653                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00654                 $std_alias_item->setHorizontalAlign("LeftFloat");
00655                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00656                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00657         }
00658 
00662         function rightFloatAlign()
00663         {
00664                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00665                 $std_alias_item->setHorizontalAlign("RightFloat");
00666                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00667                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00668         }
00669 
00676         function getTabs(&$tab_gui, $a_create = false)
00677         {
00678                 global $ilCtrl;
00679 
00680                 if ($a_create)
00681                 {
00682 /*
00683                         $tab_gui->addTarget("cont_back",
00684                                 $ilCtrl->getParentReturn($this), "",
00685                                 "");
00686 */
00687                 }
00688                 else
00689                 {
00690                         $tab_gui->addTarget("cont_mob_inst_prop",
00691                                 $ilCtrl->getLinkTarget($this, "editAlias"), "editAlias",
00692                                 get_class($this));
00693                 }
00694         }
00695 
00696 }
00697 ?>