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.

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

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

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Member Function Documentation

getActiveFields()

ilLuceneAdvancedSearchFields::getActiveFields

(

)

Get all active fields.

Definition at line 133 of file class.ilLuceneAdvancedSearchFields.php.

Referenced by readSections().

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

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getActiveSections()

ilLuceneAdvancedSearchFields::getActiveSections

(

)

Definition at line 138 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 81 of file class.ilLuceneAdvancedSearchFields.php.

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

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

        {
                global $lng;
                
                $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)
                        {                               
                                $fields['adv_'.$def->getFieldId()] = $def->getTitle();                          
                        }       
                }
                return $fields;
        }

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getFormElement()

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

Definition at line 143 of file class.ilLuceneAdvancedSearchFields.php.

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(), ilADTFactory\getInstance(), ilAdvancedMDFieldDefinition\getInstance(), getRangeSelect(), and ilTextInputGUI\setValue().

        {
                include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';

                $a_post_name = 'query['.$a_field_name.']';
                
                if(!$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(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))
                                {
                                        $field_form->importFromPost($a_query);
                                        $field_form->validate();
                                }                                                               
                                
                                return;                         
                }
                return null;
        }

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getInstance()

static ilLuceneAdvancedSearchFields::getInstance ( )

static

Get singleton instance.

Definition at line 69 of file class.ilLuceneAdvancedSearchFields.php.

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

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

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getRangeSelect()

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

protected

get a range selection

Definition at line 811 of file class.ilLuceneAdvancedSearchFields.php.

References $tpl.

Referenced by getFormElement().

        {
                $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();             
        }

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parseFieldQuery()

ilLuceneAdvancedSearchFields::parseFieldQuery	(		$a_field,
			$a_query
	)

Called from ilLuceneAdvancedQueryParser Parse a field specific query.

Definition at line 447 of file class.ilLuceneAdvancedSearchFields.php.

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

        {
                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).')';
                                        }
                                }
                }
        }

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readFields()

ilLuceneAdvancedSearchFields::readFields ( )

protected

Read active fields.

Definition at line 658 of file class.ilLuceneAdvancedSearchFields.php.

Referenced by __construct().

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

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readSections()

ilLuceneAdvancedSearchFields::readSections ( )

protected

Read active sections.

Definition at line 672 of file class.ilLuceneAdvancedSearchFields.php.

References ilAdvancedMDRecord\_lookupTitle(), getActiveFields(), and ilAdvancedMDFieldDefinition\getInstance().

Referenced by __construct().

        {
                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();
                                        
                                        $this->active_sections['adv_record_'.$record_id]['fields'][] = $field_name;
                                        $this->active_sections['adv_record_'.$record_id]['name'] = ilAdvancedMDRecord::_lookupTitle($record_id);
                                        break;
                        }
                }
        }

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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.

$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.

ONLINE_QUERY

const ilLuceneAdvancedSearchFields::ONLINE_QUERY = 1

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

---

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

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