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joko |
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<?php |
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// |
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// $Id$ |
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// Id: treeClass.php,v 1.1 2003/01/30 17:18:24 cain Exp |
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// |
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// $Log: treeClass.php,v $ |
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// Revision 1.1 2003/01/30 17:18:24 cain |
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// - moved all examples to docs |
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// - and make them work properly |
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// |
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// Revision 1.1 2002/08/23 17:18:28 cain |
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// - a good example to show how the tree works |
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// |
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// |
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require_once('Tree/Memory.php'); |
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class treeClass extends Tree_Memory |
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{ |
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function getPathAsString( $id ) |
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{ |
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return preg_replace('/Root\s-\s/','',parent::getPathAsString( $id , ' - ' )); |
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} |
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/** |
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* just a wrapper to be compatible to vp_DB_Common |
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* |
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*/ |
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function &getAll() |
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{ |
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return $this->getNode(); |
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} |
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/** |
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* this is only for the getAllVisible it is called by the walk-method |
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* to retreive only the nodes that shall be visible |
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* |
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* @param array this is the node to check |
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* @return mixed an array if the node shall be visible |
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* nothing if the node shall not be shown |
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*/ |
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function _walkForGettingVisibleFolders( $node ) |
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{ |
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global $session; |
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if( $node['id']==$this->getRootId() ) |
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return $node; |
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$parentsIds = $this->getParentsIds($node['id']); |
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if( !@$this->_unfoldAll ) |
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{ |
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foreach( $parentsIds as $aParentId ) |
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{ |
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if( !@$session->temp->openProjectFolders[$aParentId] && |
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$aParentId!=$node['id']) // dont check the node itself, since we only look if the parents are openend, then this $node is shown! |
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return false; |
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} |
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} |
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else |
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{ |
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// if all folders shall be unfolded save the unfold-ids in the session |
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$session->temp->openProjectFolders[$node['id']] = $node['id']; |
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} |
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return $node; |
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} |
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/** |
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* this returns all the visible projects, the folders returned |
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* are those which are unfolded, the explorer-like way |
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* it also handles the 'unfold' parameter, which we simply might be given |
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* so the unfold/fold works on every page that shows only visible folders |
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* i think that is really cool :-) |
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* |
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* @return array only those folders which are visible |
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*/ |
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function getAllVisible() |
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{ |
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$this->unfoldHandler(); |
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return $this->walk( array(&$this,'_walkForGettingVisibleFolders') , 0 , 'ifArray' ); |
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} |
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function unfoldHandler() |
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{ |
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global $session; |
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if( @$_REQUEST['unfoldAll'] ) |
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{ |
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$this->_unfoldAll = true; |
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} |
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if( @$_REQUEST['unfold'] ) |
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{ |
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if( @$session->temp->openProjectFolders[$_REQUEST['unfold']] ) |
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{ |
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unset($session->temp->openProjectFolders[$_REQUEST['unfold']]); |
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} |
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else |
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{ |
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$session->temp->openProjectFolders[$_REQUEST['unfold']] = $_REQUEST['unfold']; |
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} |
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} |
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} |
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} |
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?> |
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