72 lines
1.6 KiB
PHP
72 lines
1.6 KiB
PHP
<?php
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/**
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* File containing the ezcGraphArrayDataSet class
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*
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* @package Graph
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* @version 1.4.3
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* @copyright Copyright (C) 2005-2009 eZ Systems AS. All rights reserved.
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* @license http://ez.no/licenses/new_bsd New BSD License
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*/
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/**
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* Dataset class which receives arrays and use them as a base for datasets.
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*
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* @version 1.4.3
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* @package Graph
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* @mainclass
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*/
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class ezcGraphArrayDataSet extends ezcGraphDataSet
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{
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/**
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* Constructor
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*
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* @param array|Iterator $data Array or Iterator containing the data
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* @return void
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*/
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public function __construct( $data )
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{
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$this->createFromArray( $data );
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parent::__construct();
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}
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/**
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* setData
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*
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* Can handle data provided through an array or iterator.
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*
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* @param array|Iterator $data
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* @access public
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* @return void
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*/
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protected function createFromArray( $data = array() )
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{
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if ( !is_array( $data ) &&
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!( $data instanceof Traversable ) )
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{
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throw new ezcGraphInvalidArrayDataSourceException( $data );
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}
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$this->data = array();
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foreach ( $data as $key => $value )
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{
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$this->data[$key] = $value;
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}
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if ( !count( $this->data ) )
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{
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throw new ezcGraphInvalidDataException( 'Data sets should contain some values.' );
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}
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}
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/**
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* Returns the number of elements in this dataset
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*
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* @return int
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*/
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public function count()
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{
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return count( $this->data );
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}
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}
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?>
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