ILIAS Release_3_9_x_branch .rev 46835: Services/COPage/classes/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 ("./Services/COPage/classes/class.ilPageContentGUI.php");
00025 require_once ("./Services/COPage/classes/class.ilMediaAliasItem.php");
00026 require_once ("./Services/MediaObjects/classes/class.ilObjMediaObjectGUI.php");
00027 
00038 // Todo: extend ilObjMediaObjectGUI !?
00039 class ilPCMediaObjectGUI extends ilPageContentGUI
00040 {
00041         var $header;
00042         var $ctrl;
00043 
00044         function ilPCMediaObjectGUI(&$a_pg_obj, &$a_content_obj, $a_hier_id = 0)
00045         {
00046                 global $ilCtrl;
00047 
00048                 $this->ctrl =& $ilCtrl;
00049 
00050 //echo "constructor target:".$_SESSION["il_map_il_target"].":<br>";
00051                 parent::ilPageContentGUI($a_pg_obj, $a_content_obj, $a_hier_id);
00052         }
00053 
00054         function _forwards()
00055         {
00056                 return array();
00057         }
00058 
00059         function setHeader($a_title = "")
00060         {
00061                 $this->header = $a_title;
00062         }
00063 
00064         function getHeader()
00065         {
00066                 return $this->header;
00067         }
00068 
00069 
00073         function insert($a_post_cmd = "edpost", $a_submit_cmd = "create_mob")
00074         {
00075                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mob_new.html",
00076                         "./Services/MediaObjects");
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                         else
00189                         {
00190                                 $media_item->setWidth(500);
00191                                 $media_item->setHeight(400);
00192                         }
00193                 }
00194                 else
00195                 {
00196                         $media_item->setWidth($_POST["standard_width"]);
00197                         $media_item->setHeight($_POST["standard_height"]);
00198                 }
00199 
00200                 if ($_POST["standard_caption"] != "")
00201                 {
00202                         $media_item->setCaption($_POST["standard_caption"]);
00203                 }
00204 
00205                 if ($_POST["standard_param"] != "")
00206                 {
00207                         $media_item->setParameters(ilUtil::stripSlashes(utf8_decode($_POST["standard_param"])));
00208                 }
00209 
00210                 $media_item->setHAlign("Left");
00211 
00212                 // fullscreen view
00213                 if ($_POST["fullscreen"] == "y")
00214                 {
00215                         $media_item =& new ilMediaItem();
00216                         $this->content_obj->addMediaItem($media_item);
00217                         $media_item->setPurpose("Fullscreen");
00218 
00219                         // file
00220                         if ($_POST["full_type"] == "File")
00221                         {
00222                                 if ($_FILES['full_file']['name'] != "")
00223                                 {
00224                                         $file = $mob_dir."/".$_FILES['full_file']['name'];
00225                                         //move_uploaded_file($_FILES['full_file']['tmp_name'], $file);
00226                                         if (!ilUtil::moveUploadedFile($_FILES['full_file']['tmp_name'],
00227                                                 $_FILES['full_file']['name'], $file, false))
00228                                         {
00229                                                 $this->content_obj->delete();
00230                                                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00231                                                 return;
00232                                         }
00233                                 }
00234 
00235                                 if ($_FILES['full_file']['name'] != "" ||
00236                                                 ($_POST["full_size"] != "original" &&
00237                                                 $_POST["full_resize"] == "y" &&
00238                                                 is_int(strpos($format, "image")))
00239                                         )
00240                                 {
00241                                         // set real meta and object data
00242                                         $format = ilObjMediaObject::getMimeType($file);
00243                                         $location = $_FILES['full_file']['name'];
00244 
00245                                         // resize fullscreen images
00246                                         if ($_POST["full_size"] != "original" &&
00247                                                 $_POST["full_resize"] == "y" &&
00248                                                 is_int(strpos($format, "image")))
00249                                         {
00250                                                 $location = ilObjMediaObject::_resizeImage($file, $_POST["full_width"],
00251                                                         $_POST["full_height"]);
00252                                         }
00253                                 }
00254 
00255                                 $media_item->setFormat($format);
00256                                 $media_item->setLocation($location);
00257                                 $media_item->setLocationType("LocalFile");
00258 
00259                         }
00260                         else    // reference
00261                         {
00262                                 if ($_POST["full_reference"] != "")
00263                                 {
00264                                         $format = ilObjMediaObject::getMimeType($_POST["full_reference"]);
00265                                         $media_item->setFormat($format);
00266                                         $media_item->setLocation($_POST["full_reference"]);
00267                                         $media_item->setLocationType("Reference");
00268                                 }
00269                         }
00270 
00271                         // determine width and height of known image types
00272                         if ($_POST["full_size"] == "original")
00273                         {
00274                                 if (ilUtil::deducibleSize($format))
00275                                 {
00276                                         $size = getimagesize($file);
00277                                         $media_item->setWidth($size[0]);
00278                                         $media_item->setHeight($size[1]);
00279                                 }
00280                                 else
00281                                 {
00282                                         $media_item->setWidth(500);
00283                                         $media_item->setHeight(400);
00284                                 }
00285                         }
00286                         else
00287                         {
00288                                 $media_item->setWidth($_POST["full_width"]);
00289                                 $media_item->setHeight($_POST["full_height"]);
00290                         }
00291 
00292                         if ($_POST["full_caption"] != "")
00293                         {
00294                                 $media_item->setCaption($_POST["full_caption"]);
00295                         }
00296 
00297                         if ($_POST["full_param"] != "")
00298                         {
00299                                 $media_item->setParameters(ilUtil::stripSlashes(utf8_decode($_POST["full_param"])));
00300                         }
00301 
00302                 }
00303                 ilUtil::renameExecutables($mob_dir);
00304                 $this->content_obj->update();
00305 
00306                 if ($a_create_alias)
00307                 {
00308                         $this->content_obj->setDom($this->dom);
00309                         $this->content_obj->createAlias($this->pg_obj, $this->hier_id);
00310                         $this->updated = $this->pg_obj->update();
00311                         if ($this->updated === true)
00312                         {
00313                                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00314                         }
00315                         else
00316                         {
00317                                 $this->insert();
00318                         }
00319                 }
00320                 else
00321                 {
00322                         return $this->content_obj;
00323                 }
00324         }
00325 
00326 
00327 
00331         function editAlias()
00332         {
00333                 //add template for view button
00334                 $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
00335 
00336                 //$item_nr = $this->content_obj->getMediaItemNr("Standard");
00337                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00338                 $std_item =& $this->content_obj->getMediaItem("Standard");
00339 //echo htmlentities($this->dom->dump_node($std_alias_item->item_node));
00340                 // edit media alias template
00341                 $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mob_alias_properties.html", "Services/COPage");
00342                 $this->tpl->setVariable("TXT_ACTION", $this->lng->txt("cont_edit_mob_alias_prop"));
00343                 $this->tpl->setVariable("TXT_STANDARD_VIEW", $this->lng->txt("cont_std_view"));
00344                 $this->tpl->setVariable("TXT_DERIVE", $this->lng->txt("cont_derive_from_obj"));
00345                 $this->tpl->setVariable("TXT_TYPE", $this->lng->txt("cont_".$std_item->getLocationType()));
00346                 $this->tpl->setVariable("TXT_LOCATION", $std_item->getLocation());
00347                 $this->tpl->setVariable("TXT_FORMAT", $this->lng->txt("cont_format"));
00348                 $this->tpl->setVariable("VAL_FORMAT", $std_item->getFormat());
00349                 $this->tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
00350 
00351                 $this->displayValidationError();
00352 
00353                 // width
00354                 $this->tpl->setVariable("TXT_MOB_WIDTH", $this->lng->txt("cont_width"));
00355                 $this->tpl->setVariable("INPUT_MOB_WIDTH", "mob_width");
00356                 $this->tpl->setVariable("VAL_MOB_WIDTH", $std_alias_item->getWidth());
00357 
00358                 // height
00359                 $this->tpl->setVariable("TXT_MOB_HEIGHT", $this->lng->txt("cont_height"));
00360                 $this->tpl->setVariable("INPUT_MOB_HEIGHT", "mob_height");
00361                 $this->tpl->setVariable("VAL_MOB_HEIGHT", $std_alias_item->getHeight());
00362 
00363                 // caption
00364                 $this->tpl->setVariable("TXT_CAPTION", $this->lng->txt("cont_caption"));
00365                 $this->tpl->setVariable("INPUT_CAPTION", "mob_caption");
00366                 $this->tpl->setVariable("VAL_CAPTION", $std_alias_item->getCaption());
00367                 $this->tpl->parseCurrentBlock();
00368 
00369                 // parameters
00370                 $this->tpl->setVariable("TXT_PARAMETER", $this->lng->txt("cont_parameter"));
00371                 $this->tpl->setVariable("INPUT_PARAMETERS", "mob_parameters");
00372                 $this->tpl->setVariable("VAL_PARAMETERS", $std_alias_item->getParameterString());
00373                 $this->tpl->parseCurrentBlock();
00374 
00375                 // object default values
00376                 $this->tpl->setVariable("VAL_OBJ_ST_SIZE", $std_item->getWidth()." / ".$std_item->getHeight());
00377                 $this->tpl->setVariable("VAL_OBJ_ST_CAPTION", $std_item->getCaption());
00378                 $this->tpl->setVariable("VAL_OBJ_ST_PARAMETERS", $std_item->getParameterString());
00379                 if ($std_alias_item->definesSize())
00380                 {
00381                         $this->tpl->setVariable("DERIVE_ST_SIZE_N", "checked=\"1\"");
00382                 }
00383                 else
00384                 {
00385                         $this->tpl->setVariable("DERIVE_ST_SIZE_Y", "checked=\"1\"");
00386                 }
00387                 if ($std_alias_item->definesCaption())
00388                 {
00389                         $this->tpl->setVariable("DERIVE_ST_CAPTION_N", "checked=\"1\"");
00390                 }
00391                 else
00392                 {
00393                         $this->tpl->setVariable("DERIVE_ST_CAPTION_Y", "checked=\"1\"");
00394                 }
00395                 if ($std_alias_item->definesParameters())
00396                 {
00397                         $this->tpl->setVariable("DERIVE_ST_PARAMETER_N", "checked=\"1\"");
00398                 }
00399                 else
00400                 {
00401                         $this->tpl->setVariable("DERIVE_ST_PARAMETER_Y", "checked=\"1\"");
00402                 }
00403 
00404                 // fullscreen view
00405                 if($this->content_obj->hasFullScreenItem())
00406                 {
00407                         $this->tpl->setCurrentBlock("fullscreen");
00408                         $full_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Fullscreen");
00409                         $full_item =& $this->content_obj->getMediaItem("Fullscreen");
00410 
00411                         $this->tpl->setVariable("TXT_FULLSCREEN_VIEW", $this->lng->txt("cont_fullscreen"));
00412                         $this->tpl->setVariable("TXT_FULL_TYPE", $this->lng->txt("cont_".$full_item->getLocationType()));
00413                         $this->tpl->setVariable("TXT_FULL_LOCATION", $full_item->getLocation());
00414 
00415                         $this->tpl->setVariable("TXT_FULL_FORMAT", $this->lng->txt("cont_format"));
00416                         $this->tpl->setVariable("VAL_FULL_FORMAT", $full_item->getFormat());
00417 
00418                         // width text
00419                         $this->tpl->setVariable("TXT_FULL_WIDTH", $this->lng->txt("cont_width"));
00420                         $this->tpl->setVariable("INPUT_FULL_WIDTH", "full_width");
00421 
00422                         // height text
00423                         $this->tpl->setVariable("TXT_FULL_HEIGHT", $this->lng->txt("cont_height"));
00424                         $this->tpl->setVariable("INPUT_FULL_HEIGHT", "full_height");
00425 
00426                         // caption text
00427                         $this->tpl->setVariable("TXT_FULL_CAPTION", $this->lng->txt("cont_caption"));
00428                         $this->tpl->setVariable("INPUT_FULL_CAPTION", "full_caption");
00429 
00430                         // parameters text
00431                         $this->tpl->setVariable("TXT_FULL_PARAMETER", $this->lng->txt("cont_parameter"));
00432                         $this->tpl->setVariable("INPUT_FULL_PARAMETERS", "full_parameters");
00433 
00434                         // object default values
00435                         $this->tpl->setVariable("VAL_OBJ_FULL_SIZE", $full_item->getWidth()." / ".$full_item->getHeight());
00436                         $this->tpl->setVariable("VAL_OBJ_FULL_CAPTION", $full_item->getCaption());
00437                         $this->tpl->setVariable("VAL_OBJ_FULL_PARAMETERS", $full_item->getParameterString());
00438                         if ($full_alias_item->definesSize())
00439                         {
00440                                 $this->tpl->setVariable("DERIVE_FULL_SIZE_N", "checked=\"1\"");
00441                         }
00442                         else
00443                         {
00444                                 $this->tpl->setVariable("DERIVE_FULL_SIZE_Y", "checked=\"1\"");
00445                         }
00446                         if ($full_alias_item->definesCaption())
00447                         {
00448                                 $this->tpl->setVariable("DERIVE_FULL_CAPTION_N", "checked=\"1\"");
00449                         }
00450                         else
00451                         {
00452                                 $this->tpl->setVariable("DERIVE_FULL_CAPTION_Y", "checked=\"1\"");
00453                         }
00454                         if ($full_alias_item->definesParameters())
00455                         {
00456                                 $this->tpl->setVariable("DERIVE_FULL_PARAMETER_N", "checked=\"1\"");
00457                         }
00458                         else
00459                         {
00460                                 $this->tpl->setVariable("DERIVE_FULL_PARAMETER_Y", "checked=\"1\"");
00461                         }
00462 
00463                         if ($full_alias_item->exists())
00464                         {
00465                                 $this->tpl->setVariable("FULLSCREEN_CHECKED", "checked=\"1\"");
00466 
00467                                 // width
00468                                 $this->tpl->setVariable("VAL_FULL_WIDTH", $full_alias_item->getWidth());
00469 
00470                                 // height
00471                                 $this->tpl->setVariable("VAL_FULL_HEIGHT", $full_alias_item->getHeight());
00472 
00473                                 // caption
00474                                 $this->tpl->setVariable("VAL_FULL_CAPTION", $full_alias_item->getCaption());
00475 
00476                                 // parameters
00477                                 $this->tpl->setVariable("VAL_FULL_PARAMETERS", $full_alias_item->getParameterString());
00478                         }
00479 
00480                         $this->tpl->parseCurrentBlock();
00481                 }
00482 
00483                 // operations
00484                 $this->tpl->setCurrentBlock("commands");
00485                 $this->tpl->setVariable("BTN_NAME", "saveAliasProperties");
00486                 $this->tpl->setVariable("BTN_TEXT", $this->lng->txt("save"));
00487                 $this->tpl->parseCurrentBlock();
00488 
00489         }
00490 
00491 
00495         function saveAliasProperties()
00496         {
00497                 $std_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00498                 $full_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Fullscreen");
00499 
00500                 // standard size
00501                 if($_POST["derive_st_size"] == "y")
00502                 {
00503                         $std_item->deriveSize();
00504                 }
00505                 else
00506                 {
00507                         $std_item->setWidth($_POST["mob_width"]);
00508                         $std_item->setHeight($_POST["mob_height"]);
00509                 }
00510 
00511                 // standard caption
00512                 if($_POST["derive_st_caption"] == "y")
00513                 {
00514                         $std_item->deriveCaption();
00515                 }
00516                 else
00517                 {
00518                         $std_item->setCaption($_POST["mob_caption"]);
00519                 }
00520 
00521                 // standard parameters
00522                 if($_POST["derive_st_parameter"] == "y")
00523                 {
00524                         $std_item->deriveParameters();
00525                 }
00526                 else
00527                 {
00528                         $std_item->setParameters(ilUtil::extractParameterString(ilUtil::stripSlashes(utf8_decode($_POST["mob_parameters"]))));
00529                 }
00530 
00531                 if($this->content_obj->hasFullscreenItem())
00532                 {
00533                         if ($_POST["fullscreen"] ==  "y")
00534                         {
00535                                 if (!$full_item->exists())
00536                                 {
00537                                         $full_item->insert();
00538                                 }
00539 
00540                                 // fullscreen size
00541                                 if($_POST["derive_full_size"] == "y")
00542                                 {
00543                                         $full_item->deriveSize();
00544                                 }
00545                                 else
00546                                 {
00547                                         $full_item->setWidth($_POST["full_width"]);
00548                                         $full_item->setHeight($_POST["full_height"]);
00549                                 }
00550 
00551                                 // fullscreen caption
00552                                 if($_POST["derive_full_caption"] == "y")
00553                                 {
00554                                         $full_item->deriveCaption();
00555                                 }
00556                                 else
00557                                 {
00558                                         $full_item->setCaption($_POST["full_caption"]);
00559                                 }
00560 
00561                                 // fullscreen parameters
00562                                 if($_POST["derive_full_parameter"] == "y")
00563                                 {
00564                                         $full_item->deriveParameters();
00565                                 }
00566                                 else
00567                                 {
00568                                         $full_item->setParameters(ilUtil::extractParameterString(ilUtil::stripSlashes(utf8_decode($_POST["full_parameters"]))));
00569                                 }
00570                         }
00571                         else
00572                         {
00573                                 if ($full_item->exists())
00574                                 {
00575                                         $full_item->delete();
00576                                 }
00577                         }
00578                 }
00579 
00580                 $this->updated = $this->pg_obj->update();
00581                 if ($this->updated === true)
00582                 {
00583                         $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00584                 }
00585                 else
00586                 {
00587                         $this->pg_obj->addHierIDs();
00588                         $this->editAlias();
00589                 }
00590         }
00591 
00595         function &executeCommand()
00596         {
00597                 // get next class that processes or forwards current command
00598                 $next_class = $this->ctrl->getNextClass($this);
00599 
00600                 // get current command
00601                 $cmd = $this->ctrl->getCmd();
00602 
00603                 switch($next_class)
00604                 {
00605                         default:
00606                                 $ret =& $this->$cmd();
00607                                 break;
00608                 }
00609 
00610                 return $ret;
00611         }
00612 
00613 
00617         function copyToClipboard()
00618         {
00619                 $this->ilias->account->addObjectToClipboard($this->content_obj->getId(), $this->content_obj->getType()
00620                         , $this->content_obj->getTitle());
00621                 ilUtil::sendInfo($this->lng->txt("copied_to_clipboard"), true);
00622                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00623         }
00624 
00628         function centerAlign()
00629         {
00630                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00631                 $std_alias_item->setHorizontalAlign("Center");
00632                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00633                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00634         }
00635 
00639         function leftAlign()
00640         {
00641                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00642                 $std_alias_item->setHorizontalAlign("Left");
00643                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00644                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00645         }
00646 
00650         function rightAlign()
00651         {
00652                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00653                 $std_alias_item->setHorizontalAlign("Right");
00654                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00655                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00656         }
00657 
00661         function leftFloatAlign()
00662         {
00663                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00664                 $std_alias_item->setHorizontalAlign("LeftFloat");
00665                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00666                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00667         }
00668 
00672         function rightFloatAlign()
00673         {
00674                 $std_alias_item =& new ilMediaAliasItem($this->dom, $this->getHierId(), "Standard");
00675                 $std_alias_item->setHorizontalAlign("RightFloat");
00676                 $_SESSION["il_pg_error"] = $this->pg_obj->update();
00677                 $this->ctrl->returnToParent($this, "jump".$this->hier_id);
00678         }
00679 
00686         function getTabs(&$tab_gui, $a_create = false)
00687         {
00688                 global $ilCtrl;
00689 
00690                 if ($a_create)
00691                 {
00692 /*
00693                         $tab_gui->addTarget("cont_back",
00694                                 $ilCtrl->getParentReturn($this), "",
00695                                 "");
00696 */
00697                 }
00698                 else
00699                 {
00700                         $tab_gui->addTarget("cont_mob_inst_prop",
00701                                 $ilCtrl->getLinkTarget($this, "editAlias"), "editAlias",
00702                                 get_class($this));
00703                 }
00704         }
00705 
00706 }
00707 ?>