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.
	handleCommand ($a_cmd)
	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
	$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, ilLuceneAdvancedSearchFields\getInstance(), and initUserSearchCache().

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

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Member Function Documentation

ilLuceneAdvancedSearchGUI::addAdminPanelCommand	(	$a_cmd,
		$a_txt
	)

protected

Add a command to the admin panel.

Definition at line 461 of file class.ilLuceneAdvancedSearchGUI.php.

Referenced by prepareOutput().

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

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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;
        }

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ilLuceneAdvancedSearchGUI::fillAdminPanel ( )

protected

Definition at line 385 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.gif"));
                        $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();
                }
        }

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ilLuceneAdvancedSearchGUI::getTabs ( )

protected

get tabs

Definition at line 346 of file class.ilLuceneAdvancedSearchGUI.php.

References ilSearchSettings\getInstance().

Referenced by prepareOutput().

        {
                if(ilSearchSettings::getInstance()->getHideAdvancedSearch())
                {
                        return false;
                }
                
                $this->tabs_gui->addTarget('search',$this->ctrl->getLinkTargetByClass('illucenesearchgui'));
                
                if($this->fields->getActiveFields())
                {
                        $this->tabs_gui->addTarget('search_advanced',$this->ctrl->getLinkTarget($this));
                }
                
                $this->tabs_gui->setTabActive('search_advanced');
        }

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ilLuceneAdvancedSearchGUI::initFormSearch ( )

protected

Show search form.

Definition at line 152 of file class.ilLuceneAdvancedSearchGUI.php.

References $section.

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;
        }

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ilLuceneAdvancedSearchGUI::initUserSearchCache ( )

protected

Init user search cache.

private

Definition at line 369 of file class.ilLuceneAdvancedSearchGUI.php.

References $_GET, $_POST, 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']);
                }
        }

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ilLuceneAdvancedSearchGUI::performSearch ( )

protected

Perform search.

Definition at line 227 of file class.ilLuceneAdvancedSearchGUI.php.

References $_SESSION, $ilBench, 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();
                }
        }

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ilLuceneAdvancedSearchGUI::prepareOutput ( )

Add admin panel command.

Reimplemented from ilSearchBaseGUI.

Definition at line 296 of file class.ilLuceneAdvancedSearchGUI.php.

References $_SESSION, $ilSetting, addAdminPanelCommand(), getTabs(), and setAdminViewButton().

Referenced by executeCommand().

        {
                parent::prepareOutput();
                $this->getTabs();
                return true;
                
                global $ilAccess, $ilSetting;
                global $ilUser;
                if($_SESSION['il_cont_admin_panel'])
                {
                        $this->setAdminViewButton(
                                $this->ctrl->getLinkTarget($this, "disableAdministrationPanel"),
                                $this->lng->txt("basic_commands"));
                        
                        $this->addAdminPanelCommand("delete",
                                $this->lng->txt("delete_selected_items"));
                        
                        if(!$_SESSION["clipboard"])
                        {
                                $this->addAdminPanelCommand("cut",
                                        $this->lng->txt("move_selected_items"));
                                $this->addAdminPanelCommand("link",
                                        $this->lng->txt("link_selected_items"));
                        }
                        else
                        {
                                #$this->addAdminPanelCommand("paste",
                                #       $this->lng->txt("paste_clipboard_items"));
                                $this->addAdminPanelCommand("clear",
                                        $this->lng->txt("clear_clipboard"));
                        }
                }
                elseif($ilUser->getId() != ANONYMOUS_USER_ID)
                {
                        $this->setAdminViewButton(
                                $this->ctrl->getLinkTarget($this, "enableAdministrationPanel"),
                                $this->lng->txt("all_commands"));
                }
                $this->ctrl->setParameter($this, "type", "");
                $this->ctrl->setParameter($this, "item_ref_id", "");
                $this->tpl->setPageFormAction($this->ctrl->getFormAction($this));
                
        }

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ilLuceneAdvancedSearchGUI::remoteSearch ( )

protected

Search from main menu.

Definition at line 187 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();
        }

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ilLuceneAdvancedSearchGUI::reset ( )

protected

Reset search form.

Definition at line 217 of file class.ilLuceneAdvancedSearchGUI.php.

References showSavedResults().

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

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ilLuceneAdvancedSearchGUI::search ( )

protected

Definition at line 195 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();
        }

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ilLuceneAdvancedSearchGUI::setAdminViewButton	(	$a_link,
		$a_txt
	)

protected

Show admin view button.

Definition at line 470 of file class.ilLuceneAdvancedSearchGUI.php.

Referenced by prepareOutput().

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

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ilLuceneAdvancedSearchGUI::setPageFormAction ( $a_action )

protected

Definition at line 476 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, 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
                $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));
                }
                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();
                }
        }