ILIAS Release_3_7_x_branch .rev 46817: Services/Tracking/classes/class.ilLPFilterGUI.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 
00040 include_once 'Services/Tracking/classes/class.ilLPFilter.php';
00041 
00042 
00043 class ilLPFilterGUI
00044 {
00045         var $usr_id = null;
00046         var $tpl = null;
00047         var $lng = null;
00048         var $ctrl = null;
00049 
00050         function ilLPFilterGUI($a_usr_id)
00051         {
00052                 global $lng,$ilCtrl,$tpl;
00053 
00054                 $this->ctrl =& $ilCtrl;
00055                 $this->lng =& $lng;
00056                 $this->tpl =& $tpl;
00057                 $this->usr_id = $a_usr_id;
00058                 $this->__initFilter();
00059         }
00060 
00064         function &executeCommand()
00065         {
00066                 $this->ctrl->setReturn($this, "");
00067                 switch($this->ctrl->getNextClass())
00068                 {
00069                         default:
00070                                 $cmd = $this->ctrl->getCmd() ? $this->ctrl->getCmd() : 'show';
00071                                 $this->$cmd();
00072 
00073                 }
00074                 return true;
00075         }
00076 
00077         
00078         function getUserId()
00079         {
00080                 return $this->usr_id;
00081         }
00082 
00083 
00084         function getHTML()
00085         {
00086                 global $ilObjDataCache;
00087 
00088                 $tpl = new ilTemplate('tpl.lp_filter.html',true,true,'Services/Tracking');
00089 
00090                 $tpl->setVariable("FILTER_ACTION",$this->ctrl->getFormAction($this));
00091                 $tpl->setVariable("TBL_TITLE",$this->lng->txt('trac_lp_filter'));
00092                 $tpl->setVariable("TXT_AREA",$this->lng->txt('trac_filter_area'));
00093 
00094 
00095                 // Area
00096                 if($this->filter->getRootNode() == ROOT_FOLDER_ID)
00097                 {
00098                         $tpl->setVariable("FILTER_AREA",$this->lng->txt('trac_filter_repository'));
00099                 }
00100                 else
00101                 {
00102                         $text = $this->lng->txt('trac_below')." '";
00103                         $text .= $ilObjDataCache->lookupTitle($ilObjDataCache->lookupObjId($this->filter->getRootNode()));
00104                         $text .= "'";
00105                         $tpl->setVariable("FILTER_AREA",$text);
00106                 }
00107 
00108                 $tpl->setVariable("TXT_QUERY",$this->lng->txt('trac_query'));
00109                 $tpl->setVariable("QUERY",ilUtil::prepareFormOutput($this->filter->getQueryString()));
00110 
00111                 $tpl->setVariable("UPDATE_AREA",$this->lng->txt('change'));
00112                 $tpl->setVariable("TYPES",$this->lng->txt('obj_types'));
00113                 $tpl->setVariable("TYPE_SELECTOR",ilUtil::formSelect($this->filter->getFilterType(),
00114                                                                                                                          'type',
00115                                                                                                                          $this->__getPossibleTypes(),
00116                                                                                                                          false,
00117                                                                                                                          true));
00118                 $tpl->setVariable("TXT_HIDDEN",$this->lng->txt('trac_filter_hidden'));
00119 
00120                 if(count($hidden = $this->__prepareHidden()))
00121                 {
00122                         $tpl->setVariable("HIDDEN_SELECTOR",ilUtil::formSelect(0,'hide',$hidden,false,true));
00123                         $tpl->setCurrentBlock("editable");
00124                         $tpl->setVariable("BTN_SHOW",$this->lng->txt('trac_show_hidden'));
00125                         $tpl->parseCurrentBlock();
00126                 }
00127                 else
00128                 {
00129                         $tpl->setVariable("HIDDEN_SELECTOR",$this->lng->txt('trac_filter_none'));
00130                 }
00131                 $tpl->setVariable("HREF_UPDATE_AREA",$this->ctrl->getLinkTargetByClass('illpfiltergui','selector'));
00132                 $tpl->setVariable("DOWNRIGHT",ilUtil::getImagePath('arrow_downright.gif'));
00133                 $tpl->setVariable("BTN_REFRESH",$this->lng->txt('trac_refresh'));
00134 
00135                 return $tpl->get();
00136         }
00137 
00138         function getFO()
00139         {
00140                 global $ilObjDataCache,$ilUser;
00141 
00142                 $tpl = new ilTemplate('tpl.lp_filter.xml',true,true,'Services/Tracking');
00143 
00144                 if(strlen($this->filter->getQueryString()))
00145                 {
00146                         $tpl->setCurrentBlock("filter_title");
00147                         $tpl->setVariable("TXT_TITLE",ilXmlWriter::_xmlEscapeData($this->lng->txt('trac_query')));
00148                         $tpl->setVariable("TITLE",ilXmlWriter::_xmlEscapeData($this->filter->getQueryString()));
00149                         $tpl->parseCurrentBlock();
00150                 }
00151 
00152                 $tpl->setVariable("TXT_FILTER",ilXmlWriter::_xmlEscapeData($this->lng->txt('trac_lp_filter')));
00153                 $tpl->setVariable("TXT_TYPE",ilXmlWriter::_xmlEscapeData($this->lng->txt('obj_types')));
00154                 $tpl->setVariable("TYPE",ilXmlWriter::_xmlEscapeData($this->lng->txt('objs_'.$this->filter->getFilterType())));
00155                 $tpl->setVariable("TXT_AREA",ilXmlWriter::_xmlEscapeData($this->lng->txt('trac_filter_area')));
00156                 $tpl->setVariable("FILTER_LANG",ilXmlWriter::_xmlEscapeData($ilUser->getLanguage()));
00157                 if($this->filter->getRootNode() == ROOT_FOLDER_ID)
00158                 {
00159                         $tpl->setVariable("AREA",ilXmlWriter::_xmlEscapeData($this->lng->txt('trac_filter_repository')));
00160                 }
00161                 else
00162                 {
00163                         $text = $this->lng->txt('trac_below')." '";
00164                         $text .= $ilObjDataCache->lookupTitle($ilObjDataCache->lookupObjId($this->filter->getRootNode()));
00165                         $text .= "'";
00166                         $tpl->setVariable("AREA",ilXmlWriter::_xmlEscapeData($text));
00167                 }
00168                 return $tpl->get();
00169         }
00170                 
00171 
00172         function hideSelected()
00173         {
00174                 if(!count($_POST['item_id']))
00175                 {
00176                         sendInfo($this->lng->txt('trac_select_one'),true);
00177                         $this->ctrl->returnToParent($this);
00178                 }
00179                 foreach($_POST['item_id'] as $item_id)
00180                 {
00181                         $this->filter->addHidden((int) $item_id);
00182                 }
00183                 $this->filter->update();
00184                 sendInfo($this->lng->txt('trac_added_no_shown_list'),true);
00185                 $this->ctrl->returnToParent($this);
00186         }                       
00187 
00188 
00189         function hide()
00190         {
00191                 $this->filter->addHidden((int) $_GET['hide']);
00192                 $this->filter->update();
00193                 sendInfo($this->lng->txt('trac_added_no_shown_list'),true);
00194                 $this->ctrl->returnToParent($this);
00195         }
00196 
00197         function updateHidden()
00198         {
00199                 if(!$_POST['hide'])
00200                 {
00201                         sendInfo($this->lng->txt('trac_select_one'),true);
00202                         $this->ctrl->returnToParent($this);
00203                 }
00204                 $this->filter->removeHidden((int) $_POST['hide']);
00205                 $this->filter->update();
00206                 sendInfo($this->lng->txt('trac_modifications_saved'),true);
00207                 $this->ctrl->returnToParent($this);
00208 
00209         }
00210                 
00211         function refresh()
00212         {
00213                 $this->filter->setFilterType($_POST['type']);
00214                 $this->filter->setQueryString(ilUtil::stripSlashes($_POST['query']));
00215                 $this->filter->update();
00216                 $this->ctrl->returnToParent($this);
00217 
00218                 return true;
00219         }
00220 
00221         function selector()
00222         {
00223                 global $tree;
00224 
00225                 $this->tpl->addBlockFile('ADM_CONTENT','adm_content','tpl.trac_root_selector.html','Services/Tracking');
00226 
00227                 include_once 'Services/Search/classes/class.ilSearchRootSelector.php';
00228 
00229                 sendInfo($this->lng->txt('search_area_info'));
00230 
00231                 $exp = new ilSearchRootSelector($this->ctrl->getLinkTargetByClass('illpfiltergui','selector'));
00232                 $exp->setExpand($_GET["search_root_expand"] ? $_GET["search_root_expand"] : $tree->readRootId());
00233                 $exp->setExpandTarget($this->ctrl->getLinkTargetByClass('illpfiltergui','selector'));
00234                 $exp->setTargetClass('illpfiltergui');
00235                 $exp->setCmd('selectRoot');
00236 
00237                 // build html-output
00238                 $exp->setOutput(0);
00239 
00240                 $this->tpl->setVariable("EXPLORER",$exp->getOutput());
00241 
00242                 
00243         }
00244 
00245         function selectRoot()
00246         {
00247                 $this->filter->setRootNode((int) $_GET['root_id']);
00248                 $this->filter->update();
00249                 sendInfo($this->lng->txt('trac_modifications_saved'),true);
00250                 $this->ctrl->returnToParent($this);
00251         }
00252 
00253         // Private
00254         function __initFilter()
00255         {
00256                 global $ilUser;
00257 
00258                 $this->filter = new ilLPFilter($ilUser->getId());
00259                 return true;
00260         }
00261 
00262         function __getPossibleTypes()
00263         {
00264                 return array('lm' => $this->lng->txt('learning_resources'),
00265                                          'crs' => $this->lng->txt('objs_crs'),
00266                                          'tst' => $this->lng->txt('objs_tst'),
00267                                          'grp' => $this->lng->txt('objs_grp'),
00268                                          'exc' => $this->lng->txt('objs_exc'));
00269                                          
00270         }
00271 
00272         function __prepareHidden()
00273         {
00274                 $types = $this->filter->prepareType();
00275 
00276 
00277                 global $ilObjDataCache;
00278 
00279                 foreach($this->filter->getHidden() as $obj_id)
00280                 {
00281                         if(in_array($ilObjDataCache->lookupType($obj_id),$types))
00282                         {
00283                                 $hidden[$obj_id] = $ilObjDataCache->lookupTitle($obj_id);
00284                         }
00285                 }
00286                 return $hidden ? $hidden : array();
00287         }
00288 }       
00289 ?>