| 1 | <?php
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| 2 | // ----------------------------------------------------------------------------------
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| 3 | // Class: ResAlt
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| 4 | // ----------------------------------------------------------------------------------
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| 5 |
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| 6 | /**
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| 7 | * This interface defines methods for accessing RDF Alternative resources.
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| 8 | * These methods operate on the RDF statements contained in a model.
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| 9 | *
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| 10 | * @version $Id: ResAlt.php 320 2006-11-21 09:38:51Z tgauss $
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| 11 | * @author Daniel Westphal <mail at d-westphal dot de>
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| 12 | *
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| 13 | * @package resModel
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| 14 | * @access public
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| 15 | **/
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| 16 | class ResAlt extends ResContainer
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| 17 | {
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| 18 |
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| 19 | /**
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| 20 | * Constructor
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| 21 | * You can supply a URI
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| 22 | *
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| 23 | * @param string $uri
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| 24 | * @access public
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| 25 | */
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| 26 | function ResAlt($uri = null)
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| 27 | {
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| 28 | parent::ResContainer($uri);
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| 29 | $this->containerType=new ResResource(RDF_NAMESPACE_URI.RDF_ALT);
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| 30 | }
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| 31 |
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| 32 | /**
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| 33 | * Return the default value for this resource
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| 34 | *
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| 35 | * @return object ResResource/ResLiteral
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| 36 | * @access public
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| 37 | */
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| 38 | function getDefault()
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| 39 | {
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| 40 | //get the first memeber
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| 41 | $statements=$this->listProperties($this->_getMembershipPropertyWithIndex(1));
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| 42 | if(isset($statements[0]))
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| 43 | {
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| 44 | //return the value
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| 45 | return $statements[0]->getObject();
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| 46 | } else
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| 47 | {
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| 48 | return null;
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| 49 | }
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| 50 | }
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| 51 |
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| 52 | /**
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| 53 | * Set the default value of this container.
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| 54 | *
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| 55 | * @param object ResResource/ResLiteral $object
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| 56 | * @access public
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| 57 | */
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| 58 | function setDefault($object)
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| 59 | {
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| 60 | //remember the old default value
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| 61 | $oldDefaultObject=$this->getDefault();
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| 62 | //if there wasn't a default value before
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| 63 | if($oldDefaultObject === null)
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| 64 | {
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| 65 | //add the new value
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| 66 | $this->addProperty($this->_getMembershipPropertyWithIndex(1),$object);
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| 67 | } else
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| 68 | {
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| 69 | //remove the old value
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| 70 | $this->removeAll($this->_getMembershipPropertyWithIndex(1));
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| 71 | //set the new value
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| 72 | $this->addProperty($this->_getMembershipPropertyWithIndex(1),$object);
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| 73 | //add the old default value at the end
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| 74 | $this->add($oldDefaultObject);
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| 75 | }
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| 76 | }
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| 77 | }
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| 78 | ?> |
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