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<?php |
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// |
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// +----------------------------------------------------------------------+ |
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// | PHP Version 4 | |
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// +----------------------------------------------------------------------+ |
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// | Copyright (c) 1997-2003 The PHP Group | |
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// +----------------------------------------------------------------------+ |
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// | This source file is subject to version 2.02 of the PHP license, | |
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// | that is bundled with this package in the file LICENSE, and is | |
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// | available at through the world-wide-web at | |
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// | http://www.php.net/license/2_02.txt. | |
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// | If you did not receive a copy of the PHP license and are unable to | |
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// | obtain it through the world-wide-web, please send a note to | |
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// | license@php.net so we can mail you a copy immediately. | |
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// +----------------------------------------------------------------------+ |
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// | Authors: Wolfram Kriesing <wolfram@kriesing.de> | |
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// +----------------------------------------------------------------------+ |
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// |
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// Id: Array.php,v 1.5 2003/01/18 15:36:22 cain Exp |
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// $Id: Array.php,v 1.5 2003/01/18 15:36:22 cain Exp $ |
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|
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require_once('Tree/Error.php'); |
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|
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/** |
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* EXPERIMENTAL |
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* |
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* @access public |
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* @author Wolfram Kriesing <wolfram@kriesing.de> |
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* @version 2002/08/30 |
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* @package Tree |
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*/ |
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class Tree_Memory_Array |
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{ |
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|
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var $data = array(); |
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|
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/** |
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* this is the internal id that will be assigned if no id is given |
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* it simply counts from 1, so we can check if( $id ) i am lazy :-) |
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*/ |
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var $_id = 1; |
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|
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/** |
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* set up this object |
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* |
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* @version 2002/08/30 |
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* @access public |
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* @author Wolfram Kriesing <wolfram@kriesing.de> |
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* @param string $dsn the path on the filesystem |
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* @param array $options additional options you can set |
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*/ |
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function Tree_Memory_Array( &$array , $options=array() ) |
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{ |
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$this->_array = &$array; |
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$this->_options = $options; // not in use currently |
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} // end of function |
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|
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/** |
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* |
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* |
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* @version 2002/08/30 |
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* @access public |
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* @author Wolfram Kriesing <wolfram@kriesing.de> |
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* @return boolean true on success |
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*/ |
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function setup() |
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{ |
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unset($this->data); // unset the data to be sure to get the real data again, no old data |
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if( is_array($this->_array) ) |
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{ |
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$this->data[0] = null; |
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$theData = array(&$this->_array); |
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$this->_setup($theData); |
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} |
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|
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return $this->data; |
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} |
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|
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/** |
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* we modify the $this->_array in here, we also add the id |
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* so methods like 'add' etc can find the elements they are searching for, |
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* if you dont like your data to be modified dont pass them as reference! |
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*/ |
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function _setup( &$array , $parentId=0 ) |
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{ |
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foreach( $array as $nodeKey=>$aNode ) |
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{ |
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$newData = $aNode; |
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if ( !isset($newData['id']) || !$newData['id'] ) { |
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$newData['id'] = $this->_id++; |
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$array[$nodeKey]['id'] = $newData['id']; |
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} |
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|
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$newData['parentId'] = $parentId; |
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$children = null; |
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foreach ( $newData as $key=>$val ) // remove the 'children' array, since this is only info for this class |
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{ |
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if( $key=='children' ) |
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{ |
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unset($newData[$key]); |
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} |
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} |
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|
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$this->data[] = $newData; |
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if ( isset($aNode['children']) && $aNode['children'] ) { |
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if( !isset($array[$nodeKey]['children']) ) { |
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$array[$nodeKey]['children'] = array(); |
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} |
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$this->_setup( $array[$nodeKey]['children'] , $newData['id'] ); |
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} |
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} |
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} |
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|
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|
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/** |
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* |
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* |
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* @access private |
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* @version 2002/03/02 |
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* @author Wolfram Kriesing <wolfram@kriesing.de> |
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* @param |
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* @return |
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*/ |
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function _throwError( $msg , $line , $mode=null ) |
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{ |
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return new Tree_Error( $msg , $line , __FILE__ , $mode , $this->db->last_query ); |
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} |
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|
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/** |
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* prepare multiple results |
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* |
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* @see _prepareResult() |
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* @access private |
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* @version 2002/03/03 |
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* @author Wolfram Kriesing <wolfram@kriesing.de> |
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* @param |
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* @return |
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*/ |
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function _prepareResults( $results ) |
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{ |
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$newResults = array(); |
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foreach( $results as $aResult ) |
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$newResults[] = $this->_prepareResult($aResult); |
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return $newResults; |
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} |
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|
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/** |
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* map back the index names to get what is expected |
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* |
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* @access private |
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* @version 2002/03/03 |
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* @author Wolfram Kriesing <wolfram@kriesing.de> |
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* @param |
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* @return |
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*/ |
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function _prepareResult( $result ) |
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{ |
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$map = $this->getOption('columnNameMaps'); |
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|
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if( $map ) |
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foreach( $map as $key=>$columnName ) |
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{ |
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$result[$key] = $result[$columnName]; |
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unset($result[$columnName]); |
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} |
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return $result; |
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} |
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|
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/** |
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* |
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*/ |
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function add( $data , $parentId , $previousId=0 ) |
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{ |
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$data['id'] = $this->_id++; |
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$data['parentId'] = $parentId; |
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$this->data[] = $data; |
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|
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// add the element itself also in the source array, where we actually read the structure from |
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//$path = $this->getPathById($parentId); |
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array_walk($this->_array['children'],array(&$this,'_add'),array($data,$parentId)); |
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|
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//$this->_array |
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return $data['id']; |
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} |
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|
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// this one was a real quicky !!! |
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function _add( &$val , $key , $data ) |
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{ |
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if( $val['id']==$data[1] ) |
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$val['children'][] = $data[0]; |
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else // if we havent found the new element go on searching |
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{ |
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if( $val['children'] ) |
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array_walk($val['children'],array(&$this,'_add'),$data); |
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} |
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} |
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|
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} // end of class |
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?> |
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