45 lines
929 B
PHP
45 lines
929 B
PHP
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<?php
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class Item_LocationField
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implements FieldValidator , FieldModifier
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{
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private $okLocations;
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public function __construct( $okLocations )
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{
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$this->okLocations = $okLocations;
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}
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public function replace( $value )
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{
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$exploded = explode( ':' , $value );
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if ( count( $exploded ) != 2 ) {
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$exploded = array( 0 , $value );
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}
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if ( $exploded[ 1 ] == '' ) {
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$exploded[ 0 ] = 1;
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} else {
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$exploded[ 0 ] = ( $exploded[ 0 ] == '0' ) ? 0 : 1;
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$exploded[ 1 ] = (int) $exploded[ 1 ];
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}
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return join( ':' , $exploded );
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}
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public function validate( $value )
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{
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list( $inside , $before ) = explode( ':' , $value );
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if ( $before != '' && Loader::DAO( 'items' )->get( $before ) == null ) {
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return array( 'This item no longer exists.' );
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}
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if ( ! ( empty( $this->okLocations ) || in_array( $value , $this->okLocations ) ) ) {
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return array( 'Invalid destination' );
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}
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return null;
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}
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}
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