ilAdvancedMetaDataExporter Class Reference

Export class for adv md. More...

Inheritance diagram for ilAdvancedMetaDataExporter:

Collaboration diagram for ilAdvancedMetaDataExporter:

Public Member Functions
	init ()
	Initialisation.
	getXmlExportHeadDependencies ($a_entity, $a_target_release, $a_ids)
	Get head dependencies.
	getXmlExportTailDependencies ($a_entity, $a_target_release, $a_ids)
	Get tail dependencies.
	getXmlRepresentation ($a_entity, $a_schema_version, $a_id)
	Get xml representation.
	getValidSchemaVersions ($a_entity)
	Returns schema versions that the component can export to.
Public Member Functions inherited from ilXmlExporter
	__construct ()
	Constructor.
	setExportDirectories ($a_dir_relative, $a_dir_absolute)
	Export directories.
	getRelativeExportDirectory ()
	Get relative export directory.
	getAbsoluteExportDirectory ()
	Get absolute export directory.
	determineSchemaVersion ($a_entity, $a_target_release)
	Determine schema version.

Private Attributes
	$ds

Additional Inherited Members
Static Public Member Functions inherited from ilXmlExporter
static	lookupExportDirectory ($a_obj_type, $a_obj_id, $a_export_type= 'xml', $a_entity="")
	export directory lookup
Protected Attributes inherited from ilXmlExporter
	$dir_relative
	$dir_absolute

Detailed Description

Export class for adv md.

Author

Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

Id:

Definition at line 13 of file class.ilAdvancedMetaDataExporter.php.

Member Function Documentation

ilAdvancedMetaDataExporter::getValidSchemaVersions

(

$a_entity

)

Returns schema versions that the component can export to.

ILIAS chooses the first one, that has min/max constraints which fit to the target release. Please put the newest on top.

Returns

Reimplemented from ilXmlExporter.

Definition at line 147 of file class.ilAdvancedMetaDataExporter.php.

        {
                return array (
                        "4.4.0" => array(
                                "namespace" => "http://www.ilias.de/Services/AdvancedMetaData/advmd/4_4",
                                "xsd_file" => "ilias_advmd_4_4.xsd",
                                "uses_dataset" => true,
                                "min" => "4.4.0",
                                "max" => "")
                );
        }

ilAdvancedMetaDataExporter::getXmlExportHeadDependencies	(		$a_entity,
			$a_target_release,
			$a_ids
	)

Get head dependencies.

Parameters

string	entity
string	target release
array	ids

Returns

array array of array with keys "component", entity", "ids"

Reimplemented from ilXmlExporter.

Definition at line 33 of file class.ilAdvancedMetaDataExporter.php.

        {
                return array();
        }

ilAdvancedMetaDataExporter::getXmlExportTailDependencies	(		$a_entity,
			$a_target_release,
			$a_ids
	)

Get tail dependencies.

Parameters

string	entity
string	target release
array	ids

Returns

array array of array with keys "component", entity", "ids"

Reimplemented from ilXmlExporter.

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

        {
                return array();
        }

ilAdvancedMetaDataExporter::getXmlRepresentation	(		$a_entity,
			$a_schema_version,
			$a_id
	)

Get xml representation.

Parameters

string	entity
string	schema version
string	id

Returns

string xml string

Reimplemented from ilXmlExporter.

Definition at line 60 of file class.ilAdvancedMetaDataExporter.php.

References ilAdvancedMDValues\findByObjectId(), and ilXmlWriter\xmlStartTag().

        {               
                $parts = explode(":", $a_id);
                if(sizeof($parts) != 2)
                {
                        return;
                }
                $obj_id = $parts[0];
                $rec_id = $parts[1];
                
                // any data for current record and object?
                include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php');
                $raw = ilAdvancedMDValues::findByObjectId($obj_id);
                if(!$raw)
                {
                        return;
                }
                
                // gather sub-item data from value entries
                $sub_items = array();
                foreach($raw as $item)
                {
                        $sub_items[$item["sub_type"]][] = $item["sub_id"];
                }
                
                // gather all relevant data
                $items = array();
                foreach($sub_items as $sub_type => $sub_ids)
                {                                               
                        foreach(array_unique($sub_ids) as $sub_id)
                        {
                                $values_record = new ilAdvancedMDValues($rec_id, $obj_id, $sub_type, $sub_id);
                                $defs = $values_record->getDefinitions();                       
                                $values_record->read();
                                foreach($values_record->getADTGroup()->getElements() as $element_id => $element)
                                {                                       
                                        if(!$element->isNull())
                                        {
                                                $def = $defs[$element_id];                                                      
                                                $items[$rec_id][] =array(
                                                        'id' => $def->getImportId(),
                                                        'sub_type' => $sub_type,
                                                        'sub_id' => $sub_id,
                                                        'value' => $def->getValueForXML($element)
                                                );
                                        }                                       
                                }                               
                        }
                }
                
                // we only want non-empty fields
                if(sizeof($items))
                {                       
                        $xml = new ilXmlWriter; 
                        
                        foreach($items as $record_id => $record_items)
                        {
                                // no need to state record id here
                                $xml->xmlStartTag('AdvancedMetaData');
                
                                foreach($record_items as $item)
                                {
                                        $xml->xmlElement(
                                                'Value',
                                                array(
                                                        'id' => $item['id'],
                                                        'sub_type' => $item['sub_type'],
                                                        'sub_id' => $item['sub_id']
                                                ),
                                                $item['value']
                                        );
                                }
                                
                                $xml->xmlEndTag('AdvancedMetaData');    
                        }
                                                                        
                        return $xml->xmlDumpMem(false);
                }                                                               
        }       

Here is the call graph for this function:

ilAdvancedMetaDataExporter::init

(

)

Initialisation.

Reimplemented from ilXmlExporter.

Definition at line 20 of file class.ilAdvancedMetaDataExporter.php.

        {
                
        }

Field Documentation

ilAdvancedMetaDataExporter::$ds

private

Definition at line 15 of file class.ilAdvancedMetaDataExporter.php.

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

• Services/AdvancedMetaData/classes/class.ilAdvancedMetaDataExporter.php