Subversion-Projekte lars-tiefland.php_share

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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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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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?>