Meta Data search GUI. More...

Inheritance diagram for ilLuceneAdvancedSearchGUI:

Collaboration diagram for ilLuceneAdvancedSearchGUI:

Public Member Functions
	__construct ()
	Constructor.
	executeCommand ()
	Execute Command.
	showSavedResults ()
	Show saved results.
	prepareOutput ()
	Add admin panel command.
Public Member Functions inherited from ilSearchBaseGUI
	ilSearchBaseGUI ()
	Constructor public.
	initStandardSearchForm ($a_mode)
	Init standard search form.
	getSearchAreaForm ()
	Init standard search form.
	handleCommand ($a_cmd)
	Handle command.
	addToDeskObject ()
	Interface methods.
	removeFromDeskObject ()
	Remove from dektop.
	delete ()
	Show deletion screen.
	cancelDelete ()
	Cancel delete.
	performDelete ()
	Delete objects.
	cut ()
	Interface ilAdministrationCommandHandler.
	link ()
	Interface ilAdministrationCommandHandler.
	paste ()
	Paste.
	showLinkIntoMultipleObjectsTree ()
	Target selection link.
	showMoveIntoObjectTree ()
	Target selection cut.
	performPasteIntoMultipleObjects ()
	Perform paste into multiple objects.
	clear ()
	clear clipboard
	enableAdministrationPanel ()
	Enable administration panel.
	disableAdministrationPanel ()
	Disable administration panel.
	addLocator ()
	Add Locator.
	autoComplete ()
	Data resource for autoComplete.

Protected Member Functions
	initFormSearch ()
	Show search form.
	remoteSearch ()
	Search from main menu.
	search ()
	reset ()
	Reset search form.
	performSearch ()
	Perform search.
	getTabs ()
	get tabs
	initUserSearchCache ()
	Init user search cache.
	fillAdminPanel ()
	addAdminPanelCommand ($a_cmd, $a_txt)
	Add a command to the admin panel.
	setAdminViewButton ($a_link, $a_txt)
	Show admin view button.
	setPageFormAction ($a_action)
Protected Member Functions inherited from ilSearchBaseGUI
	addPager ($result, $a_session_key)
	Add Pager.
	buildSearchAreaPath ($a_root_node)
	Build path for search area.

Protected Attributes
	$ilTabs
	$fields = null
Protected Attributes inherited from ilSearchBaseGUI
	$ctrl = null

Additional Inherited Members
Data Fields inherited from ilSearchBaseGUI
const	SEARCH_FAST = 1
const	SEARCH_DETAILS = 2
const	SEARCH_AND = 'and'
const	SEARCH_OR = 'or'
const	SEARCH_FORM_LUCENE = 1
const	SEARCH_FORM_STANDARD = 2
const	SEARCH_FORM_USER = 3
	$settings = null
	$ilias = null
	$lng = null
	$tpl = null

Detailed Description

Meta Data search GUI.

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version: $Id$

ilLuceneAdvancedSearchGUI: ilSearchController ilLuceneAdvancedSearchGUI: ilObjectGUI, ilContainerGUI ilLuceneAdvancedSearchGUI: ilObjCategoryGUI, ilObjCourseGUI, ilObjFolderGUI, ilObjGroupGUI ilLuceneAdvancedSearchGUI: ilObjRootFolderGUI, ilObjectCopyGUI

Definition at line 42 of file class.ilLuceneAdvancedSearchGUI.php.

Constructor & Destructor Documentation

ilLuceneAdvancedSearchGUI::__construct ( )

Constructor.

Definition at line 51 of file class.ilLuceneAdvancedSearchGUI.php.

References $ilTabs, fields, ilLuceneAdvancedSearchFields\getInstance(), and initUserSearchCache().

        {
                global $ilTabs;
                
                $this->tabs_gui = $ilTabs;
                parent::__construct();
                
                $this->fields = ilLuceneAdvancedSearchFields::getInstance(); 
                $this->initUserSearchCache();
        }

Here is the call graph for this function:

Member Function Documentation

ilLuceneAdvancedSearchGUI::addAdminPanelCommand	(	$a_cmd,
		$a_txt
	)

protected

Add a command to the admin panel.

Definition at line 421 of file class.ilLuceneAdvancedSearchGUI.php.

        {
                $this->admin_panel_commands[] =
                        array("cmd" => $a_cmd, "txt" => $a_txt);
        }

ilLuceneAdvancedSearchGUI::executeCommand ( )

Execute Command.

Definition at line 65 of file class.ilLuceneAdvancedSearchGUI.php.

References $cmd, ilSearchBaseGUI\handleCommand(), and prepareOutput().

        {
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();
                $this->prepareOutput();
                switch($next_class)
                {
                        case 'ilobjectcopygui':
                                include_once './Services/Object/classes/class.ilObjectCopyGUI.php';
                                $cp = new ilObjectCopyGUI($this);
                                $this->ctrl->forwardCommand($cp);
                                break;
                        
                        
                        default:
                                if(!$cmd)
                                {
                                        $cmd = "showSavedResults";
                                }
                                $this->handleCommand($cmd);
                                break;
                }
                return true;
        }

Here is the call graph for this function:

ilLuceneAdvancedSearchGUI::fillAdminPanel ( )

protected

Definition at line 345 of file class.ilLuceneAdvancedSearchGUI.php.

References $cmd, ilSearchBaseGUI\$lng, and ilUtil\getImagePath().

Referenced by performSearch(), and showSavedResults().

        {
                global $lng;
                
                $adm_view_cmp = $adm_cmds = $creation_selector = $adm_view = false;
                // admin panel commands
                if ((count($this->admin_panel_commands) > 0))
                {
                        foreach($this->admin_panel_commands as $cmd)
                        {
                                $this->tpl->setCurrentBlock("lucene_admin_panel_cmd");
                                $this->tpl->setVariable("LUCENE_PANEL_CMD", $cmd["cmd"]);
                                $this->tpl->setVariable("LUCENE_TXT_PANEL_CMD", $cmd["txt"]);
                                $this->tpl->parseCurrentBlock();
                        }
                        $adm_cmds = true;
                }
                if ($adm_cmds)
                {
                        $this->tpl->setCurrentBlock("lucene_adm_view_components");
                        $this->tpl->setVariable("LUCENE_ADM_IMG_ARROW", ilUtil::getImagePath("arrow_upright.png"));
                        $this->tpl->setVariable("LUCENE_ADM_ALT_ARROW", $lng->txt("actions"));
                        $this->tpl->parseCurrentBlock();
                        $adm_view_cmp = true;
                }
                
                // admin view button
                if (is_array($this->admin_view_button))
                {
                        if (is_array($this->admin_view_button))
                        {
                                $this->tpl->setCurrentBlock("lucene_admin_button");
                                $this->tpl->setVariable("LUCENE_ADMIN_MODE_LINK",
                                        $this->admin_view_button["link"]);
                                $this->tpl->setVariable("LUCENE_TXT_ADMIN_MODE",
                                        $this->admin_view_button["txt"]);
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("lucene_admin_view");
                        $this->tpl->parseCurrentBlock();
                        $adm_view = true;
                }
                
                // creation selector
                if (is_array($this->creation_selector))
                {
                        $this->tpl->setCurrentBlock("lucene_add_commands");
                        if ($adm_cmds)
                        {
                                $this->tpl->setVariable("LUCENE_ADD_COM_WIDTH", 'width="1"');
                        }
                        $this->tpl->setVariable("LUCENE_SELECT_OBJTYPE_REPOS",
                                $this->creation_selector["options"]);
                        $this->tpl->setVariable("LUCENE_BTN_NAME_REPOS",
                                $this->creation_selector["command"]);
                        $this->tpl->setVariable("LUCENE_TXT_ADD_REPOS",
                                $this->creation_selector["txt"]);
                        $this->tpl->parseCurrentBlock();
                        $creation_selector = true;
                }
                if ($adm_view || $creation_selector)
                {
                        $this->tpl->setCurrentBlock("lucene_adm_panel");
                        if ($adm_view_cmp)
                        {
                                $this->tpl->setVariable("LUCENE_ADM_TBL_WIDTH", 'width:"100%";');
                        }
                        $this->tpl->parseCurrentBlock();
                }
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::getTabs ( )

protected

get tabs

Definition at line 304 of file class.ilLuceneAdvancedSearchGUI.php.

References fields, and ilSearchSettings\getInstance().

Referenced by prepareOutput().

        {
                $this->tabs_gui->addTarget('search',$this->ctrl->getLinkTargetByClass('illucenesearchgui'));
                
                if(ilSearchSettings::getInstance()->isLuceneUserSearchEnabled())
                {
                        $this->tabs_gui->addTarget('search_user',$this->ctrl->getLinkTargetByClass('illuceneusersearchgui'));
                }
                
                if(
                        !ilSearchSettings::getInstance()->getHideAdvancedSearch() and
                        $this->fields->getActiveFields())
                {
                        $this->tabs_gui->addTarget('search_advanced',$this->ctrl->getLinkTarget($this));
                }
                
                $this->tabs_gui->setTabActive('search_advanced');
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::initFormSearch ( )

protected

Show search form.

Definition at line 150 of file class.ilLuceneAdvancedSearchGUI.php.

References $section, and fields.

Referenced by performSearch(), and showSavedResults().

        {
                global $tree;
                
                include_once './Services/Form/classes/class.ilPropertyFormGUI.php';
                
                $this->form = new ilPropertyFormGUI();
                $this->form->setFormAction($this->ctrl->getFormAction($this,'search'));
                $this->form->setTitle($this->lng->txt('search_advanced'));
                $this->form->addCommandButton('search',$this->lng->txt('search'));
                $this->form->addCommandButton('reset',$this->lng->txt('reset'));
                
                foreach($this->fields->getActiveSections() as $definition)
                {
                        if($definition['name'] != 'default')
                        {
                                $section = new ilFormSectionHeaderGUI();
                                $section->setTitle($definition['name']);
                                $this->form->addItem($section);
                        }
                        
                        foreach($definition['fields'] as $field_name)
                        {
                                if(is_object($element = $this->fields->getFormElement($this->search_cache->getQuery(),$field_name)))
                                {
                                        $this->form->addItem($element);
                                }
                        }
                }
                return true;
        }

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::initUserSearchCache ( )

protected

Init user search cache.

private

Definition at line 329 of file class.ilLuceneAdvancedSearchGUI.php.

References $_GET, $_POST, $ilUser, ilUserSearchCache\_getInstance(), and ilUserSearchCache\LUCENE_ADVANCED.

Referenced by __construct().

        {
                global $ilUser;
                
                include_once('Services/Search/classes/class.ilUserSearchCache.php');
                $this->search_cache = ilUserSearchCache::_getInstance($ilUser->getId());
                $this->search_cache->switchSearchType(ilUserSearchCache::LUCENE_ADVANCED);
                if((int) $_GET['page_number'])
                {
                        $this->search_cache->setResultPageNumber((int) $_GET['page_number']);
                }
                if(isset($_POST['query']))
                {
                        $this->search_cache->setQuery($_POST['query']);
                }
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::performSearch ( )

protected

Perform search.

Definition at line 225 of file class.ilLuceneAdvancedSearchGUI.php.

References $_SESSION, $ilBench, $ilUser, ilSearchBaseGUI\addPager(), fillAdminPanel(), ilLuceneSearcher\getInstance(), ilLuceneSearchResultFilter\getInstance(), initFormSearch(), ilLuceneAdvancedQueryParser\parse(), ilUtil\sendInfo(), and showSavedResults().

Referenced by search().

        {
                global $ilUser,$ilBench;
                
                unset($_SESSION['vis_references']);
                
                include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
                include_once './Services/Search/classes/Lucene/class.ilLuceneAdvancedQueryParser.php';
                $qp = new ilLuceneAdvancedQueryParser($this->search_cache->getQuery());
                $qp->parse();
                if(!strlen(trim($qp->getQuery())))
                {               
                        ilUtil::sendInfo($this->lng->txt('msg_no_search_string'));
                        $this->showSavedResults();
                        return false;
                }
                
                $searcher = ilLuceneSearcher::getInstance($qp);
                $searcher->search();
                
                // Filter results
                $ilBench->start('Lucene','ResultFilter');
                include_once './Services/Search/classes/Lucene/class.ilLuceneSearchResultFilter.php';
                include_once './Services/Search/classes/Lucene/class.ilLucenePathFilter.php';
                $filter = ilLuceneSearchResultFilter::getInstance($ilUser->getId());
                $filter->addFilter(new ilLucenePathFilter($this->search_cache->getRoot()));
                $filter->setCandidates($searcher->getResult());
                $filter->filter();
                $ilBench->stop('Lucene','ResultFilter');
                                
                if($filter->getResultObjIds()) {
                        $searcher->highlight($filter->getResultObjIds());
                }
                // Show results
                $this->tpl->addBlockFile('ADM_CONTENT','adm_content','tpl.lucene_search.html','Services/Search');
                include_once './Services/Search/classes/class.ilSearchResultPresentation.php';
                $presentation = new ilSearchResultPresentation($this);
                $presentation->setResults($filter->getResultIds());
                $presentation->setSearcher($searcher);
                // TODO: other handling required
                $ilBench->start('Lucene','1500_fo');
                $this->addPager($filter,'max_page');
                $ilBench->stop('Lucene','1500_fo');
                $presentation->setPreviousNext($this->prev_link, $this->next_link);
                if($presentation->render())
                {
                        $this->tpl->setVariable('SEARCH_RESULTS',$presentation->getHTML(true));
                }
                else
                {
                        ilUtil::sendInfo($this->lng->txt('search_no_match'));
                }
                
                // and finally add search form
                $this->initFormSearch();
                $this->tpl->setVariable('SEARCH_TABLE',$this->form->getHTML());
                
                if($filter->getResultIds())
                {
                        $this->fillAdminPanel();
                }
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::prepareOutput ( )

Add admin panel command.

Reimplemented from ilSearchBaseGUI.

Definition at line 294 of file class.ilLuceneAdvancedSearchGUI.php.

References getTabs().

Referenced by executeCommand().

        {
                parent::prepareOutput();
                $this->getTabs();
                return true;
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::remoteSearch ( )

protected

Search from main menu.

Definition at line 185 of file class.ilLuceneAdvancedSearchGUI.php.

References $_POST, search(), and ilUtil\stripSlashes().

        {
                $this->search_cache->setRoot((int) $_POST['root_id']);
                $this->search_cache->setQuery(array('lom_content' => ilUtil::stripSlashes($_POST['queryString'])));
                $this->search_cache->save();
                $this->search();
        }

Here is the call graph for this function:

ilLuceneAdvancedSearchGUI::reset ( )

protected

Reset search form.

Definition at line 215 of file class.ilLuceneAdvancedSearchGUI.php.

References showSavedResults().

        {
                $this->search_cache->setQuery(array());
                $this->search_cache->save();
                $this->showSavedResults();
        }

Here is the call graph for this function:

ilLuceneAdvancedSearchGUI::search ( )

protected

Definition at line 193 of file class.ilLuceneAdvancedSearchGUI.php.

References $_SESSION, performSearch(), ilSubItemListGUI\resetDetails(), ilUtil\sendInfo(), and showSavedResults().

Referenced by remoteSearch().

        {
                if(!is_array($this->search_cache->getQuery()))
                {
                        // TOD: handle empty advances search
                        ilUtil::sendInfo($this->lng->txt('msg_no_search_string'));
                        $this->showSavedResults();
                        return false;
                }
                unset($_SESSION['max_page']);
                $this->search_cache->deleteCachedEntries();
                
                // Reset details
                include_once './Services/Object/classes/class.ilSubItemListGUI.php';
                ilSubItemListGUI::resetDetails();
                
                $this->performSearch();
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLuceneAdvancedSearchGUI::setAdminViewButton	(	$a_link,
		$a_txt
	)

protected

Show admin view button.

Definition at line 430 of file class.ilLuceneAdvancedSearchGUI.php.

        {
                $this->admin_view_button =
                        array("link" => $a_link, "txt" => $a_txt);
        }

ilLuceneAdvancedSearchGUI::setPageFormAction ( $a_action )

protected

Definition at line 436 of file class.ilLuceneAdvancedSearchGUI.php.

        {
                $this->page_form_action = $a_action;
        }

ilLuceneAdvancedSearchGUI::showSavedResults ( )

Show saved results.

Returns

Definition at line 96 of file class.ilLuceneAdvancedSearchGUI.php.

References $ilBench, $ilUser, ilSearchBaseGUI\addPager(), fillAdminPanel(), ilLuceneSearcher\getInstance(), ilLuceneSearchResultFilter\getInstance(), initFormSearch(), ilLuceneAdvancedQueryParser\parse(), and ilUtil\sendInfo().

Referenced by performSearch(), reset(), and search().

        {
                global $ilUser,$ilBench;
                
                include_once './Services/Search/classes/Lucene/class.ilLuceneSearcher.php';
                include_once './Services/Search/classes/Lucene/class.ilLuceneAdvancedQueryParser.php';
                $qp = new ilLuceneAdvancedQueryParser($this->search_cache->getQuery());
                $qp->parse();
                $searcher = ilLuceneSearcher::getInstance($qp);
                $searcher->search();
                // Load saved results
                include_once './Services/Search/classes/Lucene/class.ilLuceneSearchResultFilter.php';
                $filter = ilLuceneSearchResultFilter::getInstance($ilUser->getId());
                $filter->loadFromDb();
                // Highlight
                if($filter->getResultObjIds()) {
                        $searcher->highlight($filter->getResultObjIds());
                }
                
                $this->tpl->addBlockFile('ADM_CONTENT','adm_content','tpl.lucene_adv_search.html','Services/Search');
                include_once './Services/Search/classes/class.ilSearchResultPresentation.php';
                $presentation = new ilSearchResultPresentation($this);
                $presentation->setResults($filter->getResultIds());
                $presentation->setSearcher($searcher);
                // TODO: other handling required
                $this->addPager($filter,'max_page');
                $presentation->setPreviousNext($this->prev_link, $this->next_link);
                
                if($presentation->render())
                {
                        $this->tpl->setVariable('SEARCH_RESULTS',$presentation->getHTML(true));
                }
                elseif(strlen(trim($qp->getQuery())))
                {
                        ilUtil::sendInfo($this->lng->txt('search_no_match'));
                }
                
                // and finally add search form
                $this->initFormSearch();
                $this->tpl->setVariable('SEARCH_TABLE',$this->form->getHTML());
                
                if($filter->getResultIds())
                {       
                        $this->fillAdminPanel();
                }
        }