ilLuceneAdvancedSearchFields Class Reference

Field definitions of advanced meta data search. More...

Collaboration diagram for ilLuceneAdvancedSearchFields:

Public Member Functions
	getActiveFields ()
	Get all active fields. More...
	getActiveSections ()
	getFormElement ($a_query, $a_field_name, ilPropertyFormGUI $a_form)
	parseFieldQuery ($a_field, $a_query)
	Called from ilLuceneAdvancedQueryParser Parse a field specific query. More...

Static Public Member Functions
static	getInstance ()
	Get singleton instance. More...
static	getFields ()
	Return an array of all meta data fields. More...

Data Fields
const	ONLINE_QUERY = 1
const	OFFLINE_QUERY = 2

Protected Member Functions
	__construct ()
	readFields ()
	Read active fields. More...
	readSections ()
	Read active sections. More...
	getRangeSelect ($txt_from, $select_from, $txt_until, $select_until)
	get a range selection More...

Protected Attributes
	$lng = null

Private Attributes
	$settings = null
	$active_fields = array()
	$active_sections = array()

Static Private Attributes
static	$instance = null
static	$fields = null
static	$sections = null

Detailed Description

Field definitions of advanced meta data search.

Author

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

Version

$Id$

Definition at line 36 of file class.ilLuceneAdvancedSearchFields.php.

Constructor & Destructor Documentation

__construct()

ilLuceneAdvancedSearchFields::__construct ( )

protected

Definition at line 53 of file class.ilLuceneAdvancedSearchFields.php.

    {
        global $DIC;
 
        $lng = $DIC['lng'];
        
        $this->settings = ilLuceneAdvancedSearchSettings::getInstance();
        
        $this->lng = $lng;
        $this->lng->loadLanguageModule('meta');
        
        $this->readFields();
        $this->readSections();
    }

References $DIC, $lng, ilLuceneAdvancedSearchSettings\getInstance(), readFields(), readSections(), and settings().

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Member Function Documentation

getActiveFields()

ilLuceneAdvancedSearchFields::getActiveFields

(

)

Get all active fields.

Definition at line 134 of file class.ilLuceneAdvancedSearchFields.php.

    {
        return $this->active_fields ? $this->active_fields : array();
    }

Referenced by readSections().

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getActiveSections()

ilLuceneAdvancedSearchFields::getActiveSections

(

)

Definition at line 139 of file class.ilLuceneAdvancedSearchFields.php.

    {
        return $this->active_sections ? $this->active_sections : array();
    }

getFields()

static ilLuceneAdvancedSearchFields::getFields ( )

static

Return an array of all meta data fields.

Definition at line 82 of file class.ilLuceneAdvancedSearchFields.php.

    {
        global $DIC;
 
        $lng = $DIC->language();
        
        $lng->loadLanguageModule('meta');
        
        $fields['lom_content'] = $lng->txt('content');
        
        include_once './Services/Search/classes/class.ilSearchSettings.php';
        if (ilSearchSettings::getInstance()->enabledLucene()) {
            $fields['general_offline'] = $lng->txt('lucene_offline_filter');
        }
        //'lom_type'                                    = $lng->txt('type');
        $fields['lom_language'] = $lng->txt('language');
        $fields['lom_keyword'] = $lng->txt('meta_keyword');
        $fields['lom_coverage'] = $lng->txt('meta_coverage');
        $fields['lom_structure'] = $lng->txt('meta_structure');
        $fields['lom_status'] = $lng->txt('meta_status');
        $fields['lom_version'] = $lng->txt('meta_version');
        $fields['lom_contribute'] = $lng->txt('meta_contribute');
        $fields['lom_format'] = $lng->txt('meta_format');
        $fields['lom_operating_system'] = $lng->txt('meta_operating_system');
        $fields['lom_browser'] = $lng->txt('meta_browser');
        $fields['lom_interactivity'] = $lng->txt('meta_interactivity_type');
        $fields['lom_resource'] = $lng->txt('meta_learning_resource_type');
        $fields['lom_level'] = $lng->txt('meta_interactivity_level');
        $fields['lom_density'] = $lng->txt('meta_semantic_density');
        $fields['lom_user_role'] = $lng->txt('meta_intended_end_user_role');
        $fields['lom_context'] = $lng->txt('meta_context');
        $fields['lom_difficulty'] = $lng->txt('meta_difficulty');
        $fields['lom_costs'] = $lng->txt('meta_cost');
        $fields['lom_copyright'] = $lng->txt('meta_copyright_and_other_restrictions');
        $fields['lom_purpose'] = $lng->txt('meta_purpose');
        $fields['lom_taxon'] = $lng->txt('meta_taxon');
            
        // Append all advanced meta data fields
        include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDRecord.php';
        include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
        foreach (ilAdvancedMDRecord::_getRecords() as $record) {
            foreach (ilAdvancedMDFieldDefinition::getInstancesByRecordId($record->getRecordId(), true) as $def) {
                $field_translations = ilAdvancedMDFieldTranslations::getInstanceByRecordId($record->getRecordId());
                $fields['adv_' . $def->getFieldId()] = $field_translations->getTitleForLanguage($def->getFieldId(), $lng->getLangKey());
            }
        }
        return $fields;
    }

References $DIC, $fields, $lng, ilAdvancedMDRecord\_getRecords(), ilSearchSettings\getInstance(), ilAdvancedMDFieldTranslations\getInstanceByRecordId(), and ilAdvancedMDFieldDefinition\getInstancesByRecordId().

Referenced by ilLuceneAdvancedSearchActivationTableGUI\parse(), ilLuceneAdvancedSearchSettings\read(), and ilObjSearchSettingsGUI\saveAdvancedLuceneSettingsObject().

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getFormElement()

ilLuceneAdvancedSearchFields::getFormElement	(		$a_query,
			$a_field_name,
		ilPropertyFormGUI	$a_form
	)

Definition at line 144 of file class.ilLuceneAdvancedSearchFields.php.

    {
        include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
 
        $a_post_name = 'query[' . $a_field_name . ']';
        
        ilLoggerFactory::getLogger('sea')->debug('Query was: ' . print_r($a_query, true));
        if (!is_array($a_query)) {
            $a_query = array();
        }
 
        switch ($a_field_name) {
            case 'general_offline':
                $offline_options = array(
                    '0' => $this->lng->txt('search_any'),
                    self::ONLINE_QUERY => $this->lng->txt('search_option_online'),
                    self::OFFLINE_QUERY => $this->lng->txt('search_option_offline')
                );
                $offline = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $offline->setOptions($offline_options);
                $offline->setValue($a_query['general_offline']);
                return $offline;
            
            case 'lom_content':
                $text = new ilTextInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $text->setSubmitFormOnEnter(true);
                $text->setValue($a_query['lom_content']);
                $text->setSize(30);
                $text->setMaxLength(255);
                return $text;
            
            // General
            case 'lom_language':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_language']);
                $select->setOptions(ilMDUtilSelect::_getLanguageSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
                            
            case 'lom_keyword':
                $text = new ilTextInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $text->setSubmitFormOnEnter(true);
                $text->setValue($a_query['lom_keyword']);
                $text->setSize(30);
                $text->setMaxLength(255);
                return $text;
 
            case 'lom_coverage':
                $text = new ilTextInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $text->setSubmitFormOnEnter(true);
                $text->setValue($a_query['lom_coverage']);
                $text->setSize(30);
                $text->setMaxLength(255);
                return $text;
 
            case 'lom_structure':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_structure']);
                $select->setOptions(ilMDUtilSelect::_getStructureSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            // Lifecycle
            case 'lom_status':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_status']);
                $select->setOptions(ilMDUtilSelect::_getStatusSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            case 'lom_version':
                $text = new ilTextInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $text->setSubmitFormOnEnter(true);
                $text->setValue($a_query['lom_version']);
                $text->setSize(30);
                $text->setMaxLength(255);
                return $text;
                
            case 'lom_contribute':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], 'query[' . 'lom_role' . ']');
                $select->setValue($a_query['lom_role']);
                $select->setOptions(ilMDUtilSelect::_getRoleSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                    
                    $text = new ilTextInputGUI($this->lng->txt('meta_entry'), 'query[' . 'lom_role_entry' . ']');
                    $text->setValue($a_query['lom_role_entry']);
                    $text->setSize(30);
                    $text->setMaxLength(255);
                
                $select->addSubItem($text);
                return $select;
 
            // Technical
            case 'lom_format':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_format']);
                $select->setOptions(ilMDUtilSelect::_getFormatSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            case 'lom_operating_system':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_operating_system']);
                $select->setOptions(ilMDUtilSelect::_getOperatingSystemSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            case 'lom_browser':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_browser']);
                $select->setOptions(ilMDUtilSelect::_getBrowserSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
            
            // Education
            case 'lom_interactivity':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_interactivity']);
                $select->setOptions(ilMDUtilSelect::_getInteractivityTypeSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
            
            case 'lom_resource':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_resource']);
                $select->setOptions(ilMDUtilSelect::_getLearningResourceTypeSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
            
            case 'lom_level':
                $range = new ilCustomInputGUI($this->active_fields[$a_field_name]);
                $html = $this->getRangeSelect(
                    $this->lng->txt('from'),
                    ilMDUtilSelect::_getInteractivityLevelSelect(
                        $a_query['lom_level_start'],
                        'query[' . 'lom_level_start' . ']',
                        array(0 => $this->lng->txt('search_any'))
                    ),
                    $this->lng->txt('until'),
                    ilMDUtilSelect::_getInteractivityLevelSelect(
                        $a_query['lom_level_end'],
                        'query[' . 'lom_level_end' . ']',
                        array(0 => $this->lng->txt('search_any'))
                    )
                    );
                $range->setHTML($html);
                return $range;
                        
            case 'lom_density':
                $range = new ilCustomInputGUI($this->active_fields[$a_field_name]);
                $html = $this->getRangeSelect(
                    $this->lng->txt('from'),
                    ilMDUtilSelect::_getSemanticDensitySelect(
                        $a_query['lom_density_start'],
                        'query[' . 'lom_density_start' . ']',
                        array(0 => $this->lng->txt('search_any'))
                    ),
                    $this->lng->txt('until'),
                    ilMDUtilSelect::_getSemanticDensitySelect(
                        $a_query['lom_density_end'],
                        'query[' . 'lom_density_end' . ']',
                        array(0 => $this->lng->txt('search_any'))
                    )
                    );
                $range->setHTML($html);
                return $range;
 
            
            case 'lom_user_role':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_user_role']);
                $select->setOptions(ilMDUtilSelect::_getIntendedEndUserRoleSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
            
            case 'lom_context':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_context']);
                $select->setOptions(ilMDUtilSelect::_getContextSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            case 'lom_difficulty':
                $range = new ilCustomInputGUI($this->active_fields[$a_field_name]);
                $html = $this->getRangeSelect(
                    $this->lng->txt('from'),
                    ilMDUtilSelect::_getDifficultySelect(
                        $a_query['lom_difficulty_start'],
                        'query[' . 'lom_difficulty_start' . ']',
                        array(0 => $this->lng->txt('search_any'))
                    ),
                    $this->lng->txt('until'),
                    ilMDUtilSelect::_getDifficultySelect(
                        $a_query['lom_difficulty_end'],
                        'query[' . 'lom_difficulty_end' . ']',
                        array(0 => $this->lng->txt('search_any'))
                    )
                    );
                $range->setHTML($html);
                return $range;
 
            // Rights
            case 'lom_costs':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_costs']);
                $select->setOptions(ilMDUtilSelect::_getCostsSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            case 'lom_copyright':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_copyright']);
                $select->setOptions((array) ilMDUtilSelect::_getCopyrightAndOtherRestrictionsSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
                
 
 
            // Classification
            case 'lom_purpose':
                $select = new ilSelectInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $select->setValue($a_query['lom_purpose']);
                $select->setOptions(ilMDUtilSelect::_getPurposeSelect(
                    '',
                    $a_field_name,
                    array(0 => $this->lng->txt('search_any')),
                    true
                ));
                return $select;
 
            case 'lom_taxon':
                $text = new ilTextInputGUI($this->active_fields[$a_field_name], $a_post_name);
                $text->setSubmitFormOnEnter(true);
                $text->setValue($a_query['lom_taxon']);
                $text->setSize(30);
                $text->setMaxLength(255);
                return $text;
                
            default:
                if (substr($a_field_name, 0, 3) != 'adv') {
                    break;
                }
                    
                // Advanced meta data
                $field_id = substr($a_field_name, 4);
                include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
                $field = ilAdvancedMDFieldDefinition::getInstance($field_id);
                                
                $field_form = ilADTFactory::getInstance()->getSearchBridgeForDefinitionInstance($field->getADTDefinition(), true, false);
                $field_form->setForm($a_form);
                $field_form->setElementId($a_post_name);
                $field_form->setTitle($this->active_fields[$a_field_name]);
                $field_form->addToForm();
                
                // #17071 - reload search values
                if (is_array($a_query) &&
                    array_key_exists($a_field_name, $a_query)) {
                    $field_form->importFromPost((array) $a_query);
                    $field_form->validate();
                }
                
                return;
        }
        return null;
    }

References ilMDUtilSelect\_getBrowserSelect(), ilMDUtilSelect\_getContextSelect(), ilMDUtilSelect\_getCopyrightAndOtherRestrictionsSelect(), ilMDUtilSelect\_getCostsSelect(), ilMDUtilSelect\_getDifficultySelect(), ilMDUtilSelect\_getFormatSelect(), ilMDUtilSelect\_getIntendedEndUserRoleSelect(), ilMDUtilSelect\_getInteractivityLevelSelect(), ilMDUtilSelect\_getInteractivityTypeSelect(), ilMDUtilSelect\_getLanguageSelect(), ilMDUtilSelect\_getLearningResourceTypeSelect(), ilMDUtilSelect\_getOperatingSystemSelect(), ilMDUtilSelect\_getPurposeSelect(), ilMDUtilSelect\_getRoleSelect(), ilMDUtilSelect\_getSemanticDensitySelect(), ilMDUtilSelect\_getStatusSelect(), ilMDUtilSelect\_getStructureSelect(), ilAdvancedMDFieldDefinition\getInstance(), ilADTFactory\getInstance(), ilLoggerFactory\getLogger(), and getRangeSelect().

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getInstance()

static ilLuceneAdvancedSearchFields::getInstance ( )

static

Get singleton instance.

Definition at line 71 of file class.ilLuceneAdvancedSearchFields.php.

    {
        if (isset(self::$instance) and self::$instance) {
            return self::$instance;
        }
        return self::$instance = new ilLuceneAdvancedSearchFields();
    }

References $instance.

Referenced by ilLuceneAdvancedQueryParser\__construct(), ilAdvancedSearchGUI\__construct(), ilLuceneAdvancedSearchGUI\__construct(), ilLuceneSearchGUI\__construct(), and ilLuceneUserSearchGUI\getTabs().

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getRangeSelect()

ilLuceneAdvancedSearchFields::getRangeSelect (   $txt_from,   $select_from,   $txt_until,   $select_until  )

protected

get a range selection

Definition at line 812 of file class.ilLuceneAdvancedSearchFields.php.

    {
        $tpl = new ilTemplate('tpl.range_search.html', true, true, 'Services/Search');
        $tpl->setVariable('TXT_FROM', $txt_from);
        $tpl->setVariable('FROM', $select_from);
        $tpl->setVariable('TXT_UPTO', $txt_until);
        $tpl->setVariable('UPTO', $select_until);
        return $tpl->get();
    }

References $tpl.

Referenced by getFormElement().

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parseFieldQuery()

ilLuceneAdvancedSearchFields::parseFieldQuery	(		$a_field,
			$a_query
	)

Called from ilLuceneAdvancedQueryParser Parse a field specific query.

Definition at line 467 of file class.ilLuceneAdvancedSearchFields.php.

    {
        switch ($a_field) {
            case 'lom_content':
                return $a_query;
                
            case 'general_offline':
                
                switch ($a_query) {
                    case self::OFFLINE_QUERY:
                        return 'offline:1';
                    
                    default:
                        return '-offline:1';
                
                }
                return '';
                
            // General
            case 'lom_language':
                return 'lomLanguage:' . $a_query;
                
            case 'lom_keyword':
                return 'lomKeyword:' . $a_query;
                
            case 'lom_coverage':
                return 'lomCoverage:' . $a_query;
                
            case 'lom_structure':
                return 'lomStructure:' . $a_query;
            
            // Lifecycle
            case 'lom_status':
                return 'lomStatus:' . $a_query;
 
            case 'lom_version':
                return 'lomVersion:' . $a_query;
                
            // Begin Contribute
            case 'lom_role':
                return 'lomRole:' . $a_query;
                
            case 'lom_role_entry':
                return 'lomRoleEntity:' . $a_query;
            // End contribute
    
            // Technical
            case 'lom_format':
                return 'lomFormat:' . $a_query;
 
            case 'lom_operating_system':
                return 'lomOS:' . $a_query;
 
            case 'lom_browser':
                return 'lomBrowser:' . $a_query;
 
            // Educational
            case 'lom_interactivity':
                return 'lomInteractivity:' . $a_query;
 
            case 'lom_resource':
                return 'lomResource:' . $a_query;
                
            case 'lom_level_start':
                $q_string = '';
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
                $options = ilMDUtilSelect::_getInteractivityLevelSelect(0, 'lom_level', array(), true);
                for ($i = $a_query; $i <= count($options); $i++) {
                    if (strlen($q_string)) {
                        $q_string .= 'OR ';
                    }
                    $q_string .= ('lomLevel:"' . $options[$i] . '" ');
                }
                return $q_string;
                
            case 'lom_level_end':
                $q_string = '';
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
                $options = ilMDUtilSelect::_getInteractivityLevelSelect(0, 'lom_level', array(), true);
                for ($i = 1; $i <= $a_query; $i++) {
                    if (strlen($q_string)) {
                        $q_string .= 'OR ';
                    }
                    $q_string .= ('lomLevel:"' . $options[$i] . '" ');
                }
                return $q_string;
 
            case 'lom_density_start':
                $q_string = '';
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
                $options = ilMDUtilSelect::_getSemanticDensitySelect(0, 'lom_density', array(), true);
                for ($i = $a_query; $i <= count($options); $i++) {
                    if (strlen($q_string)) {
                        $q_string .= 'OR ';
                    }
                    $q_string .= ('lomDensity:"' . $options[$i] . '" ');
                }
                return $q_string;
                
            case 'lom_density_end':
                $q_string = '';
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
                $options = ilMDUtilSelect::_getSemanticDensitySelect(0, 'lom_density', array(), true);
                for ($i = 1; $i <= $a_query; $i++) {
                    if (strlen($q_string)) {
                        $q_string .= 'OR ';
                    }
                    $q_string .= ('lomDensity:"' . $options[$i] . '" ');
                }
                return $q_string;
 
            case 'lom_user_role':
                return 'lomUserRole:' . $a_query;
 
            case 'lom_context':
                return 'lomContext:' . $a_query;
            
            case 'lom_difficulty_start':
                $q_string = '';
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
                $options = ilMDUtilSelect::_getDifficultySelect(0, 'lom_difficulty', array(), true);
                for ($i = $a_query; $i <= count($options); $i++) {
                    if (strlen($q_string)) {
                        $q_string .= 'OR ';
                    }
                    $q_string .= ('lomDifficulty:"' . $options[$i] . '" ');
                }
                return $q_string;
                
            case 'lom_difficulty_end':
                $q_string = '';
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
                $options = ilMDUtilSelect::_getDifficultySelect(0, 'lom_difficulty', array(), true);
                for ($i = 1; $i <= $a_query; $i++) {
                    if (strlen($q_string)) {
                        $q_string .= 'OR ';
                    }
                    $q_string .= ('lomDifficulty:"' . $options[$i] . '" ');
                }
                return $q_string;
 
            // Rights
            case 'lom_costs':
                return 'lomCosts:' . $a_query;
 
            case 'lom_copyright':
                return 'lomCopyright:' . $a_query;
 
            // Classification
            case 'lom_purpose':
                return 'lomPurpose:' . $a_query;
 
            case 'lom_taxon':
                return 'lomTaxon:' . $a_query;
                
            default:
                if (substr($a_field, 0, 3) != 'adv') {
                    break;
                }
                    
                // Advanced meta data
                $field_id = substr($a_field, 4);
                include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
                try {
                    // field might be invalid (cached query)
                    $field = ilAdvancedMDFieldDefinition::getInstance($field_id);
                } catch (Exception $ex) {
                    return '';
                }
                                
                $adv_query = $field->getLuceneSearchString($a_query);
                if ($adv_query) {
                    // #17558
                    if (!is_array($adv_query)) {
                        return 'advancedMetaData_' . $field_id . ': ' . $adv_query;
                    } else {
                        $res = array();
                        foreach ($adv_query as $adv_query_item) {
                            $res[] = 'advancedMetaData_' . $field_id . ': ' . $adv_query_item;
                        }
                        return '(' . implode(' OR ', $res) . ')';
                    }
                }
        }
    }

References $i, $res, ilMDUtilSelect\_getDifficultySelect(), ilMDUtilSelect\_getInteractivityLevelSelect(), ilMDUtilSelect\_getSemanticDensitySelect(), ilAdvancedMDFieldDefinition\getInstance(), and OFFLINE_QUERY.

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readFields()

ilLuceneAdvancedSearchFields::readFields ( )

protected

Read active fields.

Definition at line 657 of file class.ilLuceneAdvancedSearchFields.php.

    {
        foreach (self::getFields() as $name => $translation) {
            if ($this->settings->isActive($name)) {
                $this->active_fields[$name] = $translation;
            }
        }
    }

References $name, and settings().

Referenced by __construct().

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readSections()

ilLuceneAdvancedSearchFields::readSections ( )

protected

Read active sections.

Definition at line 669 of file class.ilLuceneAdvancedSearchFields.php.

    {
        global $DIC;
 
        $user = $DIC->user();
 
        foreach ($this->getActiveFields() as $field_name => $translation) {
            switch ($field_name) {
                // Default section
                case 'lom_content':
                    $this->active_sections['default']['fields'][] = 'lom_content';
                    $this->active_sections['default']['name'] = '';
                    break;
                
                case 'general_offline':
                    $this->active_sections['default']['fields'][] = 'general_offline';
                    $this->active_sections['default']['name'] = '';
                    break;
                
                case 'lom_type':
                    $this->active_sections['default']['fields'][] = 'lom_type';
                    $this->active_sections['default']['name'] = '';
                    break;
                
                // General
                case 'lom_language':
                    $this->active_sections['general']['fields'][] = 'lom_language';
                    $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
                    break;
                case 'lom_keyword':
                    $this->active_sections['general']['fields'][] = 'lom_keyword';
                    $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
                    break;
                case 'lom_coverage':
                    $this->active_sections['general']['fields'][] = 'lom_coverage';
                    $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
                    break;
                case 'lom_structure':
                    $this->active_sections['general']['fields'][] = 'lom_structure';
                    $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
                    break;
                    
                // Lifecycle
                case 'lom_status':
                    $this->active_sections['lifecycle']['fields'][] = 'lom_status';
                    $this->active_sections['lifecycle']['name'] = $this->lng->txt('meta_lifecycle');
                    break;
                case 'lom_version':
                    $this->active_sections['lifecycle']['fields'][] = 'lom_version';
                    $this->active_sections['lifecycle']['name'] = $this->lng->txt('meta_lifecycle');
                    break;
                case 'lom_contribute':
                    $this->active_sections['lifecycle']['fields'][] = 'lom_contribute';
                    $this->active_sections['lifecycle']['name'] = $this->lng->txt('meta_lifecycle');
                    break;
                    
                // Technical
                case 'lom_format':
                    $this->active_sections['technical']['fields'][] = 'lom_format';
                    $this->active_sections['technical']['name'] = $this->lng->txt('meta_technical');
                    break;
                case 'lom_operating_system':
                    $this->active_sections['technical']['fields'][] = 'lom_operating_system';
                    $this->active_sections['technical']['name'] = $this->lng->txt('meta_technical');
                    break;
                case 'lom_browser':
                    $this->active_sections['technical']['fields'][] = 'lom_browser';
                    $this->active_sections['technical']['name'] = $this->lng->txt('meta_technical');
                    break;
                    
                // Education
                case 'lom_interactivity':
                    $this->active_sections['education']['fields'][] = 'lom_interactivity';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                case 'lom_resource':
                    $this->active_sections['education']['fields'][] = 'lom_resource';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                case 'lom_level':
                    $this->active_sections['education']['fields'][] = 'lom_level';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                case 'lom_density':
                    $this->active_sections['education']['fields'][] = 'lom_density';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                case 'lom_user_role':
                    $this->active_sections['education']['fields'][] = 'lom_user_role';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                case 'lom_context':
                    $this->active_sections['education']['fields'][] = 'lom_context';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                case 'lom_difficulty':
                    $this->active_sections['education']['fields'][] = 'lom_difficulty';
                    $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
                    break;
                    
                // Rights
                case 'lom_costs':
                    $this->active_sections['rights']['fields'][] = 'lom_costs';
                    $this->active_sections['rights']['name'] = $this->lng->txt('meta_rights');
                    break;
                case 'lom_copyright':
                    $this->active_sections['rights']['fields'][] = 'lom_copyright';
                    $this->active_sections['rights']['name'] = $this->lng->txt('meta_rights');
                    break;
                
                // Classification
                case 'lom_purpose':
                    $this->active_sections['classification']['fields'][] = 'lom_purpose';
                    $this->active_sections['classification']['name'] = $this->lng->txt('meta_classification');
                    break;
                case 'lom_taxon':
                    $this->active_sections['classification']['fields'][] = 'lom_taxon';
                    $this->active_sections['classification']['name'] = $this->lng->txt('meta_classification');
                    break;
                    
                default:
                    if (substr($field_name, 0, 3) != 'adv') {
                        break;
                    }
 
                    // Advanced meta data
                    $field_id = substr($field_name, 4);
                    include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
                    include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDRecord.php';
                    $field = ilAdvancedMDFieldDefinition::getInstance($field_id);
                    $record_id = $field->getRecordId();
 
                    $translations = ilAdvancedMDRecordTranslations::getInstanceByRecordId($record_id);
                    $this->active_sections['adv_record_' . $record_id]['fields'][] = $field_name;
                    $this->active_sections['adv_record_' . $record_id]['name'] = $translations->getTitleForLanguage($user->getLanguage());
                    break;
            }
        }
    }

References $DIC, getActiveFields(), ilAdvancedMDFieldDefinition\getInstance(), and ilAdvancedMDRecordTranslations\getInstanceByRecordId().

Referenced by __construct().

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Field Documentation

$active_fields

ilLuceneAdvancedSearchFields::$active_fields = array()

private

Definition at line 47 of file class.ilLuceneAdvancedSearchFields.php.

$active_sections

ilLuceneAdvancedSearchFields::$active_sections = array()

private

Definition at line 50 of file class.ilLuceneAdvancedSearchFields.php.

$fields

ilLuceneAdvancedSearchFields::$fields = null

staticprivate

Definition at line 46 of file class.ilLuceneAdvancedSearchFields.php.

Referenced by getFields().

$instance

ilLuceneAdvancedSearchFields::$instance = null

staticprivate

Definition at line 41 of file class.ilLuceneAdvancedSearchFields.php.

Referenced by getInstance().

$lng

ilLuceneAdvancedSearchFields::$lng = null

protected

Definition at line 44 of file class.ilLuceneAdvancedSearchFields.php.

Referenced by __construct(), and getFields().

$sections

ilLuceneAdvancedSearchFields::$sections = null

staticprivate

Definition at line 49 of file class.ilLuceneAdvancedSearchFields.php.

$settings

ilLuceneAdvancedSearchFields::$settings = null

private

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

OFFLINE_QUERY

const ilLuceneAdvancedSearchFields::OFFLINE_QUERY = 2

Definition at line 39 of file class.ilLuceneAdvancedSearchFields.php.

Referenced by parseFieldQuery().

ONLINE_QUERY

const ilLuceneAdvancedSearchFields::ONLINE_QUERY = 1

Definition at line 38 of file class.ilLuceneAdvancedSearchFields.php.

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The documentation for this class was generated from the following file:

• Services/Search/classes/Lucene/class.ilLuceneAdvancedSearchFields.php