ILIAS Release_3_9_x_branch .rev 46835: classes/class.ilObjStyleSheet.php Source File

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00001 <?php
00002 /*
00003         +-----------------------------------------------------------------------------+
00004         | ILIAS open source                                                           |
00005         +-----------------------------------------------------------------------------+
00006         | Copyright (c) 1998-2006 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 
00025 require_once "classes/class.ilObject.php";
00026 
00035 class ilObjStyleSheet extends ilObject
00036 {
00037         var $style;
00038 
00039 
00046         function ilObjStyleSheet($a_id = 0, $a_call_by_reference = false)
00047         {
00048                 $this->type = "sty";
00049                 $this->style = array();
00050                 if($a_call_by_reference)
00051                 {
00052                         $this->ilias->raiseError("Can't instantiate style object via reference id.",$this->ilias->error_obj->FATAL);
00053                 }
00054 
00055                 parent::ilObject($a_id, false);
00056         }
00057 
00058         function setRefId()
00059         {
00060                 $this->ilias->raiseError("Operation ilObjStyleSheet::setRefId() not allowed.",$this->ilias->error_obj->FATAL);
00061         }
00062 
00063         function getRefId()
00064         {
00065                 return "";
00066                 //$this->ilias->raiseError("Operation ilObjStyleSheet::getRefId() not allowed.",$this->ilias->error_obj->FATAL);
00067         }
00068 
00069         function putInTree()
00070         {
00071                 $this->ilias->raiseError("Operation ilObjStyleSheet::putInTree() not allowed.",$this->ilias->error_obj->FATAL);
00072         }
00073 
00074         function createReference()
00075         {
00076                 $this->ilias->raiseError("Operation ilObjStyleSheet::createReference() not allowed.",$this->ilias->error_obj->FATAL);
00077         }
00078 
00079         function setUpToDate($a_up_to_date = true)
00080         {
00081                 $this->up_to_date = $a_up_to_date;
00082         }
00083         
00084         function getUpToDate()
00085         {
00086                 return $this->up_to_date;
00087         }
00088 
00089         function setScope($a_scope)
00090         {
00091                 $this->scope = $a_scope;
00092         }
00093         
00094         function getScope()
00095         {
00096                 return $this->scope;
00097         }
00098 
00099         function _writeUpToDate($a_id, $a_up_to_date)
00100         {
00101                 global $ilDB;
00102 
00103                 $q = "UPDATE style_data SET uptodate = ".$ilDB->quote((int) $a_up_to_date).
00104                         " WHERE id = ".$ilDB->quote($a_id);
00105                 $ilDB->query($q);
00106         }
00107 
00111         function _lookupUpToDate($a_id)
00112         {
00113                 global $ilDB;
00114                 
00115                 $q = "SELECT * FROM style_data ".
00116                         " WHERE id = ".$ilDB->quote($a_id);
00117                 $res = $ilDB->query($q);
00118                 $sty = $res->fetchRow(DB_FETCHMODE_ASSOC);
00119                 
00120                 return (boolean) $sty["uptodate"];
00121         }
00122 
00126         function _writeStandard($a_id, $a_std)
00127         {
00128                 global $ilDB;
00129 
00130                 $q = "UPDATE style_data SET standard = ".$ilDB->quote((int) $a_std).
00131                         " WHERE id = ".$ilDB->quote($a_id);
00132                 $ilDB->query($q);
00133         }
00134 
00138         function _writeScope($a_id, $a_scope)
00139         {
00140                 global $ilDB;
00141 
00142                 $q = "UPDATE style_data SET category = ".$ilDB->quote((int) $a_scope).
00143                         " WHERE id = ".$ilDB->quote($a_id);
00144                 $ilDB->query($q);
00145         }
00146 
00150         function _lookupStandard($a_id)
00151         {
00152                 global $ilDB;
00153                 
00154                 $q = "SELECT * FROM style_data ".
00155                         " WHERE id = ".$ilDB->quote($a_id);
00156                 $res = $ilDB->query($q);
00157                 $sty = $res->fetchRow(DB_FETCHMODE_ASSOC);
00158                 
00159                 return (boolean) $sty["standard"];
00160         }
00161 
00165         function _writeActive($a_id, $a_active)
00166         {
00167                 global $ilDB;
00168 
00169                 $q = "UPDATE style_data SET active = ".$ilDB->quote((int) $a_active).
00170                         " WHERE id = ".$ilDB->quote($a_id);
00171                 $ilDB->query($q);
00172         }
00173 
00177         function _lookupActive($a_id)
00178         {
00179                 global $ilDB;
00180                 
00181                 $q = "SELECT * FROM style_data ".
00182                         " WHERE id = ".$ilDB->quote($a_id);
00183                 $res = $ilDB->query($q);
00184                 $sty = $res->fetchRow(DB_FETCHMODE_ASSOC);
00185                 
00186                 return (boolean) $sty["active"];
00187         }
00188 
00192         function _getStandardStyles($a_exclude_default_style = false,
00193                 $a_include_deactivated = false, $a_scope = 0)
00194         {
00195                 global $ilDB, $ilias, $tree;
00196                 
00197                 $default_style = $ilias->getSetting("default_content_style_id");
00198                 
00199                 $and_str = "";
00200                 if (!$a_include_deactivated)
00201                 {
00202                         $and_str = " AND active = 1";
00203                 }
00204                 
00205                 $q = "SELECT * FROM style_data ".
00206                         " WHERE standard = 1".$and_str;
00207                 $res = $ilDB->query($q);
00208                 $styles = array();
00209                 while($sty = $res->fetchRow(DB_FETCHMODE_ASSOC))
00210                 {
00211                         if (!$a_exclude_default_style || $default_style != $sty["id"])
00212                         {
00213                                 // check scope
00214                                 if ($a_scope > 0 && $sty["category"] > 0)
00215                                 {
00216                                         if ($tree->isInTree($sty["category"]) &&
00217                                                 $tree->isInTree($a_scope))
00218                                         {
00219                                                 $path = $tree->getPathId($a_scope);
00220                                                 if (!in_array($sty["category"], $path))
00221                                                 {
00222                                                         continue;
00223                                                 }
00224                                         }
00225                                 }
00226                                 $styles[$sty["id"]] = ilObject::_lookupTitle($sty["id"]);
00227                         }
00228                 }
00229                 
00230                 return $styles;
00231         }
00232         
00233         
00239         function _getClonableContentStyles()
00240         {
00241                 global $ilAccess, $ilDB;
00242                 
00243                 $clonable_styles = array();
00244                 
00245                 $q = "SELECT * FROM style_data, object_data ".
00246                         " WHERE object_data.obj_id = style_data.id ";
00247                 $style_set = $ilDB->query($q);
00248                 while($style_rec = $style_set->fetchRow(DB_FETCHMODE_ASSOC))
00249                 {
00250                         $clonable = false;
00251                         if ($style_rec["standard"] == 1)
00252                         {
00253                                 if ($style_rec["active"] == 1)
00254                                 {
00255                                         $clonable = true;
00256                                 }
00257                         }
00258                         else
00259                         {
00260                                 include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
00261                                 $obj_ids = ilObjContentObject::_lookupContObjIdByStyleId($style_rec["id"]);
00262                                 foreach($obj_ids as $id)
00263                                 {
00264                                         $ref = ilObject::_getAllReferences($id);
00265                                         foreach($ref as $ref_id)
00266                                         {
00267                                                 if ($ilAccess->checkAccess("write", "", $ref_id))
00268                                                 {
00269                                                         $clonable = true;
00270                                                 }
00271                                         }
00272                                 }
00273                         }
00274                         if ($clonable)
00275                         {
00276                                 $clonable_styles[$style_rec["id"]] =
00277                                         $style_rec["title"];
00278                         }
00279                 }
00280                 return $clonable_styles;
00281         }
00282 
00286         function assignMetaData(&$a_meta_data)
00287         {
00288                 $this->meta_data =& $a_meta_data;
00289         }
00290 
00294         function &getMetaData()
00295         {
00296                 return $this->meta_data;
00297         }
00298 
00299         function create($a_from_style = 0)
00300         {
00301                 global $ilDB;
00302                 
00303                 parent::create();
00304 
00305                 if ($a_from_style == 0)
00306                 {
00307                         $def = array(
00308                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "margin-top" ,"value" => "5px"),
00309                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "margin-bottom" ,"value" => "20px"),
00310                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "font-size" ,"value" => "140%"),
00311                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "padding-bottom" ,"value" => "3px"),
00312                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "border-bottom-width" ,"value" => "1px"),
00313                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "border-bottom-style" ,"value" => "solid"),
00314                                 array("tag" => "div", "class" => "PageTitle", "parameter" => "border-color" ,"value" => "#000000"),
00315         
00316                                 array("tag" => "span", "class" => "Strong", "parameter" => "font-weight" ,"value" => "bold"),
00317                                 array("tag" => "span", "class" => "Emph", "parameter" => "font-style" ,"value" => "italic"),
00318                                 array("tag" => "span", "class" => "Comment", "parameter" => "color" ,"value" => "green"),
00319                                 array("tag" => "span", "class" => "Quotation", "parameter" => "color" ,"value" => "brown"),
00320                                 array("tag" => "span", "class" => "Quotation", "parameter" => "font-style" ,"value" => "italic"),
00321         
00322                                 array("tag" => "a", "class" => "FootnoteLink", "parameter" => "color" ,"value" => "blue"),
00323                                 array("tag" => "a", "class" => "FootnoteLink", "parameter" => "font-weight" ,"value" => "normal"),
00324                                 array("tag" => "a", "class" => "FootnoteLink:hover", "parameter" => "color" ,"value" => "#000000"),
00325                                 array("tag" => "div", "class" => "Footnote", "parameter" => "margin-top" ,"value" => "5px"),
00326                                 array("tag" => "div", "class" => "Footnote", "parameter" => "margin-bottom" ,"value" => "5px"),
00327                                 array("tag" => "div", "class" => "Footnote", "parameter" => "font-style" ,"value" => "italic"),
00328         
00329                                 array("tag" => "a", "class" => "IntLink", "parameter" => "color" ,"value" => "blue"),
00330                                 array("tag" => "a", "class" => "IntLink:visited", "parameter" => "color" ,"value" => "blue"),
00331                                 array("tag" => "a", "class" => "IntLink", "parameter" => "font-weight" ,"value" => "normal"),
00332                                 array("tag" => "a", "class" => "IntLink", "parameter" => "text-decoration" ,"value" => "underline"),
00333                                 array("tag" => "a", "class" => "IntLink:hover", "parameter" => "color" ,"value" => "#000000"),
00334         
00335                                 array("tag" => "a", "class" => "ExtLink", "parameter" => "color" ,"value" => "blue"),
00336                                 array("tag" => "a", "class" => "ExtLink:visited", "parameter" => "color" ,"value" => "blue"),
00337                                 array("tag" => "a", "class" => "ExtLink", "parameter" => "font-weight" ,"value" => "normal"),
00338                                 array("tag" => "a", "class" => "ExtLink", "parameter" => "text-decoration" ,"value" => "underline"),
00339                                 array("tag" => "a", "class" => "ExtLink:hover", "parameter" => "color" ,"value" => "#000000"),
00340         
00341                                 array("tag" => "div", "class" => "LMNavigation", "parameter" => "background-color" ,"value" => "#EEEEEE"),
00342                                 array("tag" => "div", "class" => "LMNavigation", "parameter" => "border-style" ,"value" => "outset"),
00343                                 array("tag" => "div", "class" => "LMNavigation", "parameter" => "border-color" ,"value" => "#EEEEEE"),
00344                                 array("tag" => "div", "class" => "LMNavigation", "parameter" => "border-width" ,"value" => "1px"),
00345                                 array("tag" => "div", "class" => "Page", "parameter" => "background-color" ,"value" => "#FFFFFF"),
00346                                 array("tag" => "div", "class" => "Page", "parameter" => "padding" ,"value" => "0px"),
00347                                 array("tag" => "div", "class" => "Page", "parameter" => "margin" ,"value" => "0px"),
00348                                 array("tag" => "td", "class" => "Cell1", "parameter" => "background-color" ,"value" => "#FFCCCC"),
00349                                 array("tag" => "td", "class" => "Cell2", "parameter" => "background-color" ,"value" => "#CCCCFF"),
00350                                 array("tag" => "td", "class" => "Cell3", "parameter" => "background-color" ,"value" => "#CCFFCC"),
00351                                 array("tag" => "td", "class" => "Cell4", "parameter" => "background-color" ,"value" => "#FFFFCC"),
00352         
00353                                 array("tag" => "p", "class" => "Standard", "parameter" => "margin-top" ,"value" => "10px"),
00354                                 array("tag" => "p", "class" => "Standard", "parameter" => "margin-bottom" ,"value" => "10px"),
00355         
00356                                 array("tag" => "p", "class" => "List", "parameter" => "margin-top" ,"value" => "3px"),
00357                                 array("tag" => "p", "class" => "List", "parameter" => "margin-bottom" ,"value" => "3px"),
00358         
00359                                 array("tag" => "p", "class" => "Headline1", "parameter" => "margin-top" ,"value" => "20px"),
00360                                 array("tag" => "p", "class" => "Headline1", "parameter" => "margin-bottom" ,"value" => "10px"),
00361                                 array("tag" => "p", "class" => "Headline1", "parameter" => "font-size" ,"value" => "140%"),
00362         
00363                                 array("tag" => "p", "class" => "Headline2", "parameter" => "margin-top" ,"value" => "20px"),
00364                                 array("tag" => "p", "class" => "Headline2", "parameter" => "margin-bottom" ,"value" => "10px"),
00365                                 array("tag" => "p", "class" => "Headline2", "parameter" => "font-size" ,"value" => "130%"),
00366         
00367                                 array("tag" => "p", "class" => "Headline3", "parameter" => "margin-top" ,"value" => "20px"),
00368                                 array("tag" => "p", "class" => "Headline3", "parameter" => "margin-bottom" ,"value" => "10px"),
00369                                 array("tag" => "p", "class" => "Headline3", "parameter" => "font-size" ,"value" => "120%"),
00370         
00371                                 array("tag" => "p", "class" => "Example", "parameter" => "padding-left" ,"value" => "20px"),
00372                                 array("tag" => "p", "class" => "Example", "parameter" => "border-left-width" ,"value" => "3px"),
00373                                 array("tag" => "p", "class" => "Example", "parameter" => "border-left-style" ,"value" => "solid"),
00374                                 array("tag" => "p", "class" => "Example", "parameter" => "border-left-color" ,"value" => "blue"),
00375         
00376                                 array("tag" => "p", "class" => "Citation", "parameter" => "color" ,"value" => "brown"),
00377                                 array("tag" => "p", "class" => "Citation", "parameter" => "font-style" ,"value" => "italic"),
00378         
00379                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "margin-left" ,"value" => "20px"),
00380                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "margin-right" ,"value" => "20px"),
00381                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "color" ,"value" => "red"),
00382                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "padding" ,"value" => "10px"),
00383                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "border-width" ,"value" => "1px"),
00384                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "border-style" ,"value" => "solid"),
00385                                 array("tag" => "p", "class" => "Mnemonic", "parameter" => "border-color" ,"value" => "red"),
00386         
00387                                 array("tag" => "p", "class" => "Additional", "parameter" => "padding" ,"value" => "10px"),
00388                                 array("tag" => "p", "class" => "Additional", "parameter" => "border-width" ,"value" => "1px"),
00389                                 array("tag" => "p", "class" => "Additional", "parameter" => "border-style" ,"value" => "solid"),
00390                                 array("tag" => "p", "class" => "Additional", "parameter" => "border-color" ,"value" => "blue"),
00391         
00392                                 array("tag" => "p", "class" => "Remark", "parameter" => "padding" ,"value" => "10px"),
00393                                 array("tag" => "p", "class" => "Remark", "parameter" => "border-width" ,"value" => "1px"),
00394                                 array("tag" => "p", "class" => "Remark", "parameter" => "border-style" ,"value" => "solid"),
00395                                 array("tag" => "p", "class" => "Remark", "parameter" => "border-color" ,"value" => "#909090"),
00396                                 array("tag" => "p", "class" => "Remark", "parameter" => "background-color" ,"value" => "#D0D0D0"),
00397                                 array("tag" => "p", "class" => "Remark", "parameter" => "text-align" ,"value" => "right"),
00398         
00399                                 array("tag" => "p", "class" => "TableContent", "parameter" => "margin-left" ,"value" => "0px"),
00400                                 array("tag" => "p", "class" => "TableContent", "parameter" => "margin-right" ,"value" => "0px"),
00401                                 array("tag" => "p", "class" => "TableContent", "parameter" => "margin-top" ,"value" => "0px"),
00402                                 array("tag" => "p", "class" => "TableContent", "parameter" => "margin-bottom" ,"value" => "0px"),
00403                                 array("tag" => "p", "class" => "TableContent", "parameter" => "padding-left" ,"value" => "0px"),
00404                                 array("tag" => "p", "class" => "TableContent", "parameter" => "padding-right" ,"value" => "0px"),
00405                                 array("tag" => "p", "class" => "TableContent", "parameter" => "padding-top" ,"value" => "0px"),
00406                                 array("tag" => "p", "class" => "TableContent", "parameter" => "padding-bottom" ,"value" => "0px"),
00407         
00408                                 array("tag" => "table", "class" => "Media", "parameter" => "background-color" ,"value" => "#F5F5F5"),
00409                                 array("tag" => "table", "class" => "Media", "parameter" => "padding" ,"value" => "0px"),
00410                                 array("tag" => "table", "class" => "Media", "parameter" => "margin" ,"value" => "10px"),
00411         
00412                                 array("tag" => "td", "class" => "MediaCaption", "parameter" => "padding" ,"value" => "5px")
00413                         );
00414                 }
00415                 else
00416                 {
00417                         $def = array();
00418                         $q = "SELECT * FROM style_parameter WHERE style_id = ".$ilDB->quote($a_from_style);
00419                         $par_set = $ilDB->query($q);
00420                         while($par_rec = $par_set->fetchRow(DB_FETCHMODE_ASSOC))
00421                         {
00422                                 $def[] = array("tag" => $par_rec["tag"], "class" => $par_rec["class"],
00423                                         "parameter" => $par_rec["parameter"] ,"value" => $par_rec["value"]);
00424                         }
00425                 }
00426 
00427                 // default style settings
00428                 foreach ($def as $sty)
00429                 {
00430                         $q = "INSERT INTO style_parameter (style_id, tag, class, parameter, value) VALUES ".
00431                                 "(".$ilDB->quote($this->getId()).",".
00432                                 $ilDB->quote($sty["tag"]).",".
00433                                 $ilDB->quote($sty["class"]).",".
00434                                 $ilDB->quote($sty["parameter"]).",".
00435                                 $ilDB->quote($sty["value"]).")";
00436                         $ilDB->query($q);
00437                 }
00438                 
00439                 // add style_data record
00440                 $q = "INSERT INTO style_data (id, uptodate, category) VALUES ".
00441                         "(".$ilDB->quote($this->getId()).", 0,".
00442                         $ilDB->quote($this->getScope()).")";
00443                 $ilDB->query($q);
00444 
00445                 $this->read();
00446                 $this->writeCSSFile();
00447         }
00448         
00455         function ilClone()
00456         {
00457                 global $log;
00458                 
00459                 $new_obj = new ilObjStyleSheet();
00460                 $new_obj->setTitle($this->getTitle());
00461                 $new_obj->setType($this->getType());
00462                 $new_obj->setDescription($this->getDescription());
00463                 $new_obj->create($this->getId());
00464                 
00465                 return $new_obj->getId();
00466         }
00467 
00468 
00475         function addParameter($a_tag, $a_par)
00476         {
00477                 global $ilDB;
00478                 
00479                 $avail_params = $this->getAvailableParameters();
00480                 $tag = explode(".", $a_tag);
00481                 $value = $avail_params[$a_par][0];
00482                 $q = "INSERT INTO style_parameter (style_id, tag, class, parameter, value) VALUES ".
00483                         "(".$ilDB->quote($this->getId()).",".$ilDB->quote($tag[0]).",".
00484                         $ilDB->quote($tag[1]).
00485                         ",".$ilDB->quote($a_par).",".$ilDB->quote($value).")";
00486                 $this->ilias->db->query($q);
00487                 $this->read();
00488                 $this->writeCSSFile();
00489         }
00490 
00496         function deleteParameter($a_id)
00497         {
00498                 global $ilDB;
00499                 
00500                 $q = "DELETE FROM style_parameter WHERE id = ".$ilDB->quote($a_id);
00501                 $this->ilias->db->query($q);
00502         }
00503 
00508         function deleteStylePar($a_tag, $a_class, $a_par)
00509         {
00510                 global $ilDB;
00511                 
00512                 $q = "DELETE FROM style_parameter WHERE ".
00513                         " style_id = ".$ilDB->quote($this->getId())." AND ".
00514                         " tag = ".$ilDB->quote($a_tag)." AND ".
00515                         " class = ".$ilDB->quote($a_class)." AND ".
00516                         " parameter = ".$ilDB->quote($a_par);
00517 
00518                 $this->ilias->db->query($q);
00519         }
00520 
00524         function delete()
00525         {
00526                 global $ilDB;
00527                 
00528                 // delete object
00529                 parent::delete();
00530                 
00531                 // check whether this style is global default
00532                 $def_style = $this->ilias->getSetting("default_content_style_id");              
00533                 if ($def_style == $this->getId())
00534                 {
00535                         $this->ilias->deleteSetting("default_content_style_id");
00536                 }
00537 
00538                 // check whether this style is global fixed
00539                 $fixed_style = $this->ilias->getSetting("fixed_content_style_id");              
00540                 if ($fixed_style == $this->getId())
00541                 {
00542                         $this->ilias->deleteSetting("fixed_content_style_id");
00543                 }
00544 
00545                 // delete style parameter
00546                 $q = "DELETE FROM style_parameter WHERE style_id = ".$ilDB->quote($this->getId());
00547                 $ilDB->query($q);
00548                 
00549                 // delete style file
00550                 $css_file_name = ilUtil::getWebspaceDir()."/css/style_".$this->getId().".css";
00551                 if (is_file($css_file_name))
00552                 {
00553                         unlink($css_file_name);
00554                 }
00555                 
00556                 // delete entries in learning modules
00557                 include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
00558                 ilObjContentObject::_deleteStyleAssignments($this->getId());
00559                 
00560                 // delete style data record
00561                 $q = "DELETE FROM style_data WHERE id = ".$ilDB->quote($this->getId());
00562                 $ilDB->query($q);
00563 
00564         }
00565 
00566 
00570         function read()
00571         {
00572                 global $ilDB;
00573                 
00574                 parent::read();
00575 
00576                 $q = "SELECT * FROM style_parameter WHERE style_id = ".
00577                         $ilDB->quote($this->getId())." ORDER BY tag, class ";
00578                 $style_set = $this->ilias->db->query($q);
00579                 $ctag = "";
00580                 $cclass = "";
00581                 $this->style = array();
00582                 while($style_rec = $style_set->fetchRow(DB_FETCHMODE_ASSOC))
00583                 {
00584                         if ($style_rec["tag"] != $ctag || $style_rec["class"] != $cclass)
00585                         {
00586                                 // add current tag array to style array
00587                                 if(is_array($tag))
00588                                 {
00589                                         $this->style[] = $tag;
00590                                 }
00591                                 $tag = array();
00592                         }
00593                         $ctag = $style_rec["tag"];
00594                         $cclass = $style_rec["class"];
00595                         $tag[] = $style_rec;
00596                 }
00597                 if(is_array($tag))
00598                 {
00599                         $this->style[] = $tag;
00600                 }
00601                 
00602                 $q = "SELECT * FROM style_data WHERE id = ".$ilDB->quote($this->getId());
00603                 $res = $ilDB->query($q);
00604                 $sty = $res->fetchRow(DB_FETCHMODE_ASSOC);
00605                 $this->setUpToDate((boolean) $sty["uptodate"]);
00606                 $this->setScope($sty["category"]);
00607                 
00608         }
00609 
00613         function writeCSSFile($a_target_file = "")
00614         {
00615                 $style = $this->getStyle();
00616 
00617                 if ($a_target_file == "")
00618                 {
00619                         $css_file_name = ilUtil::getWebspaceDir()."/css/style_".$this->getId().".css";
00620                 }
00621                 else
00622                 {
00623                         $css_file_name = $a_target_file;
00624                 }
00625                 $css_file = fopen($css_file_name, "w");
00626                 
00627                 $page_background = "";
00628 
00629                 foreach ($style as $tag)
00630                 {
00631                         fwrite ($css_file, $tag[0]["tag"].".ilc_".$tag[0]["class"]."\n");
00632                         fwrite ($css_file, "{\n");
00633 
00634                         foreach($tag as $par)
00635                         {
00636                                 fwrite ($css_file, "\t".$par["parameter"].": ".$par["value"].";\n");
00637                                 
00638                                 // save page background
00639                                 if ($tag[0]["tag"] == "div" && $tag[0]["class"] == "Page"
00640                                         && $par["parameter"] == "background-color")
00641                                 {
00642                                         $page_background = $par["value"];
00643                                 }
00644                         }
00645                         fwrite ($css_file, "}\n");
00646                         fwrite ($css_file, "\n");
00647                 }
00648                 
00649                 if ($page_background != "")
00650                 {
00651                         fwrite ($css_file, "td.ilc_Page\n");
00652                         fwrite ($css_file, "{\n");
00653                         fwrite ($css_file, "\t"."background-color: ".$page_background.";\n");
00654                         fwrite ($css_file, "}\n");
00655                 }
00656                 fclose($css_file);
00657                 
00658                 $this->setUpToDate(true);
00659                 $this->_writeUpToDate($this->getId(), true);
00660         }
00661 
00662 
00668         function getContentStylePath($a_style_id)
00669         {
00670                 global $ilias;
00671                 
00672                 $rand = rand(1,999999);
00673                 
00674                 
00675                 // check global fixed content style
00676                 $fixed_style = $ilias->getSetting("fixed_content_style_id");
00677                 if ($fixed_style > 0)
00678                 {
00679                         $a_style_id = $fixed_style;
00680                 }
00681 
00682                 // check global default style
00683                 if ($a_style_id <= 0)
00684                 {
00685                         $a_style_id = $ilias->getSetting("default_content_style_id");
00686                 }
00687 
00688                 if ($a_style_id > 0 && ilObject::_exists($a_style_id))
00689                 {
00690                         // check whether file is up to date
00691                         if (!ilObjStyleSheet::_lookupUpToDate($a_style_id))
00692                         {
00693                                 $style = new ilObjStyleSheet($a_style_id);
00694                                 $style->writeCSSFile();
00695                         }
00696                         
00697                         return ilUtil::getWebspaceDir("output").
00698                                 "/css/style_".$a_style_id.".css?dummy=$rand";
00699                 }
00700                 else            // todo: work this out
00701                 {
00702                         return "./Services/COPage/css/content.css";
00703                 }
00704         }
00705 
00711         function getContentPrintStyle()
00712         {
00713                 return "./Services/COPage/css/print_content.css";
00714         }
00715 
00721         function getSyntaxStylePath()
00722         {
00723                 return "./Services/COPage/css/syntaxhighlight.css";
00724         }
00725 
00726         function update()
00727         {
00728                 global $ilDB;
00729                 
00730                 parent::update();
00731                 $this->read();                          // this could be done better
00732                 $this->writeCSSFile();
00733                 
00734                 $q = "UPDATE style_data ".
00735                         "SET category = ".$ilDB->quote($this->getScope());
00736                 $ilDB->query($q);
00737         }
00738 
00745         function updateStyleParameter($a_id, $a_value)
00746         {
00747                 global $ilDB;
00748                 
00749                 $q = "UPDATE style_parameter SET VALUE=".
00750                         $ilDB->quote($a_value)." WHERE id = ".
00751                         $ilDB->quote($a_id);
00752                 $style_set = $this->ilias->db->query($q);
00753         }
00754         
00759         function replaceStylePar($a_tag, $a_class, $a_par, $a_val)
00760         {
00761                 global $ilDB;
00762                 
00763                 $q = "SELECT * FROM style_parameter WHERE ".
00764                         " style_id = ".$ilDB->quote($this->getId())." AND ".
00765                         " tag = ".$ilDB->quote($a_tag)." AND ".
00766                         " class = ".$ilDB->quote($a_class)." AND ".
00767                         " parameter = ".$ilDB->quote($a_par);
00768                 
00769                 $set = $ilDB->query($q);
00770                 
00771                 if ($rec = $set->fetchRow())
00772                 {
00773                         $q = "UPDATE style_parameter SET ".
00774                                 " value = ".$ilDB->quote($a_val)." WHERE ".
00775                                 " style_id = ".$ilDB->quote($this->getId())." AND ".
00776                                 " tag = ".$ilDB->quote($a_tag)." AND ".
00777                                 " class = ".$ilDB->quote($a_class)." AND ".
00778                                 " parameter = ".$ilDB->quote($a_par);
00779 
00780                         $ilDB->query($q);
00781                 }
00782                 else
00783                 {
00784                         $q = "INSERT INTO style_parameter (value, style_id, tag,  class, parameter) VALUES ".
00785                                 " (".$ilDB->quote($a_val).",".
00786                                 " ".$ilDB->quote($this->getId()).",".
00787                                 " ".$ilDB->quote($a_tag).",".
00788                                 " ".$ilDB->quote($a_class).",".
00789                                 " ".$ilDB->quote($a_par).")";
00790 
00791                         $ilDB->query($q);
00792                 }
00793         }
00794 
00795 
00799         function getStyle()
00800         {
00801                 return $this->style;
00802         }
00803         
00807         function setStyle($a_style)
00808         {
00809                 $this->style = $a_style;
00810         }
00811         
00812         
00816         function getXML()
00817         {
00818                 $xml.= "<StyleSheet>";
00819                 $xml.= "<Title>".$this->getTitle()."</Title>";
00820                 $xml.= "<Description>".$this->getDescription()."</Description>";
00821                 foreach($this->style as $style)
00822                 {
00823                         $xml.= "<Style Tag=\"".$style[0]["tag"]."\" Class=\"".$style[0]["class"]."\">";
00824                         foreach($style as $tag)
00825                         {
00826                                 $xml.="<StyleParameter Name=\"".$tag["parameter"]."\" Value=\"".$tag["value"]."\"/>";
00827                         }
00828                         $xml.= "</Style>";
00829                 }
00830                 $xml.= "</StyleSheet>";
00831                 
00832                 return $xml;
00833         }
00834         
00835         
00839         function exportXML($a_dir)
00840         {
00841                 $file = $a_dir."/style.xml";
00842                 
00843                 // open file
00844                 if (!($fp = @fopen($file,"w")))
00845                 {
00846                         die ("<b>Error</b>: Could not open \"".$file."\" for writing".
00847                                         " in <b>".__FILE__."</b> on line <b>".__LINE__."</b><br />");
00848                 }
00849                 
00850                 // set file permissions
00851                 chmod($file, 0770);
00852                 
00853                 // write xml data into the file
00854                 fwrite($fp, $this->getXML());
00855                 
00856                 // close file
00857                 fclose($fp);
00858 
00859         }
00860 
00864         function createFromXMLFile($a_file)
00865         {
00866                 global $ilDB;
00867                 
00868                 parent::create();               
00869                 include_once("classes/class.ilStyleImportParser.php");
00870                 $importParser = new ilStyleImportParser($a_file, $this);
00871                 $importParser->startParsing();
00872                 
00873                 // store style parameter
00874                 foreach ($this->style as $style)
00875                 {
00876                         foreach($style as $tag)
00877                         {
00878                                 $q = "INSERT INTO style_parameter (style_id, tag, class, parameter, value) VALUES ".
00879                                         "(".$ilDB->quote($this->getId()).",".
00880                                         $ilDB->quote($tag["tag"]).",".
00881                                         $ilDB->quote($tag["class"]).
00882                                         ",".$ilDB->quote($tag["parameter"]).",".
00883                                         $ilDB->quote($tag["value"]).")";
00884                                 $this->ilias->db->query($q);
00885                         }
00886                 }
00887                 
00888                 // add style_data record
00889                 $q = "INSERT INTO style_data (id, uptodate) VALUES ".
00890                         "(".$ilDB->quote($this->getId()).", 0)";
00891                 $ilDB->query($q);
00892                 
00893                 $this->update();
00894                 $this->read();
00895                 $this->writeCSSFile();
00896         }
00897         
00901         function getAvailableTags()
00902         {
00903                 $tags = array("a.FootnoteLink", "a.FootnoteLink:hover", "a.IntLink", "a.IntLink:hover",
00904                         "a.IntLink:visited", "a.IntLink:active",
00905                         "a.ExtLink", "a.ExtLink:hover", "a.ExtLink:visited", "a.ExtLink:active",
00906                         "div.Footnote", "div.LMNavigation", "div.Page", "div.PageTitle", "span.Comment",
00907                         "span.Emph", "span.Quotation", "span.Strong",
00908                         "td.Cell1", "td.Cell2", "td.Cell3", "td.Cell4",
00909                         "p.Standard", "p.List", "p.Headline1", "p.Headline2", "p.Headline3",
00910                         "p.Example", "p.Citation", "p.Mnemonic", "p.Additional", "p.Remark",
00911                         "p.TableContent",
00912                         "table.Media", "td.MediaCaption");
00913 
00914                 return $tags;
00915         }
00916 
00917         function getAvailableParameters()
00918         {
00919                 $pars = array(
00920                         "font-family" => array(),
00921                         "font-style" => array("italic", "oblique", "normal"),
00922                         "font-variant" => array("small-caps", "normal"),
00923                         "font-weight" => array("bold", "normal", "bolder", "lighter"),
00924                         "font-stretch" => array("wider", "narrower", "condensed", "semi-condensed",
00925                                         "extra-condensed", "ultra-condensed", "expanded", "semi-expanded",
00926                                         "extra-expanded", "ultra-expanded", "normal"),
00927                         "font-size" => array(),
00928                         "word-spacing" => array(),
00929                         "letter-spacing" => array(),
00930                         "text-decoration" => array("underline", "overline", "line-through", "blink", "none"),
00931                         "text-transform" => array("capitalize", "uppercase", "lowercase", "none"),
00932                         "color" => array(),
00933 
00934                         "text-indent" => array(),
00935                         "line-height" => array(),
00936                         "vertical-align" => array("top", "middle", "bottom", "baseline", "sub", "super",
00937                                 "text-top", "text-bottom"),
00938                         "text-align" => array("left", "center", "right", "justify"),
00939                         "white-space" => array("normal", "pre", "nowrap"),
00940 
00941                         "margin" => array(),
00942                         "margin-top" => array(),
00943                         "margin-bottom" => array(),
00944                         "margin-left" => array(),
00945                         "margin-right" => array(),
00946 
00947                         "padding" => array(),
00948                         "padding-top" => array(),
00949                         "padding-bottom" => array(),
00950                         "padding-left" => array(),
00951                         "padding-right" => array(),
00952 
00953                         "border-width" => array(),
00954                         "border-top-width" => array(),
00955                         "border-bottom-width" => array(),
00956                         "border-left-width" => array(),
00957                         "border-right-width" => array(),
00958 
00959                         "border-color" => array(),
00960                         "border-top-color" => array(),
00961                         "border-bottom-color" => array(),
00962                         "border-left-color" => array(),
00963                         "border-right-color" => array(),
00964 
00965                         "border-style" => array("none", "hidden", "dotted", "dashed", "solid", "double",
00966                                 "groove", "ridge", "inset", "outset"),
00967                         "border-top-style" => array("none", "hidden", "dotted", "dashed", "solid", "double",
00968                                 "groove", "ridge", "inset", "outset"),
00969                         "border-bottom-style" => array("none", "hidden", "dotted", "dashed", "solid", "double",
00970                                 "groove", "ridge", "inset", "outset"),
00971                         "border-left-style" => array("none", "hidden", "dotted", "dashed", "solid", "double",
00972                                 "groove", "ridge", "inset", "outset"),
00973                         "border-right-style" => array("none", "hidden", "dotted", "dashed", "solid", "double",
00974                                 "groove", "ridge", "inset", "outset"),
00975 
00976                         "background-color" => array(),
00977                         "background-image" => array(),
00978                         "background-repeat" => array("repeat", "repeat-x", "repeat-y", "no-repeat"),
00979                         "background-attachment" => array("fixed", "scroll"),
00980                         "background-position" => array("top", "center", "middle", "bottom", "left", "right"),
00981 
00982                         "cursor" => array("auto", "default", "crosshair", "pointer", "move",
00983                                 "n-resize", "ne-resize", "e-resize", "se-resize", "s-resize", "sw-resize",
00984                                 "w-resize", "nw-resize", "text", "wait", "help"),
00985                         "clear" => array ("non","left","right","both")
00986                 );
00987 
00988                 return $pars;
00989         }
00990 
00991 } // END class.ilObjStyleSheet
00992 ?>