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)
	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
	$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();
        }

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Member Function Documentation

ilLuceneAdvancedSearchGUI::addAdminPanelCommand	(	$a_cmd,
		$a_txt
	)

protected

Add a command to the admin panel.

Definition at line 459 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 383 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();
                }
        }

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ilLuceneAdvancedSearchGUI::getTabs ( )

protected

get tabs

Definition at line 344 of file class.ilLuceneAdvancedSearchGUI.php.

References fields, and 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 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;
        }

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ilLuceneAdvancedSearchGUI::initUserSearchCache ( )

protected

Init user search cache.

private

Definition at line 367 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']);
                }
        }

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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();
                }
        }

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ilLuceneAdvancedSearchGUI::prepareOutput ( )

Add admin panel command.

Reimplemented from ilSearchBaseGUI.

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

References $_SESSION, $ilSetting, $ilUser, 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 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();
        }

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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();
        }

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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();
        }

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ilLuceneAdvancedSearchGUI::setAdminViewButton	(	$a_link,
		$a_txt
	)

protected

Show admin view button.

Definition at line 468 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 474 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();
                }
        }