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<? |
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/** |
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* This file contains a Data::Lift actor component. |
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* |
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* @author Andreas Motl <andreas.motl@ilo.de> |
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* @package org.netfrag.glib |
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* @name Data::Lift::hash::topic::Tree |
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* |
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*/ |
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|
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/** |
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* Cvs-Log: |
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* |
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* $Id: Generic.php,v 1.18 2003/04/11 00:55:49 joko Exp $ |
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* |
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* $Log: Generic.php,v $ |
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* |
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*/ |
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|
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/** |
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* Data::Lift::hash::topic::Tree |
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* |
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* |
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* @author Andreas Motl <andreas.motl@ilo.de> |
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* @copyright (c) 2003 - All Rights reserved. |
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* @license GNU LGPL (GNU Lesser General Public License) |
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* |
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* @link http://www.netfrag.org/~joko/ |
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* @link http://www.gnu.org/licenses/lgpl.txt |
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* |
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* @package org.netfrag.glib |
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* @subpackage DataLift |
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* @name Data::Lift::hash::topic::Tree |
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* |
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* @link http://cvs.netfrag.org/php/libs/org.netfrag.glib |
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* |
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*/ |
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class Data_Lift_hash_topic_SimpleTree { |
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|
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|
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function transform($source, $atnode = null) { |
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|
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$buffer = array(); |
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|
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foreach ($source as $key => $val) { |
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//print "Key=$key, Val=$val<br/>"; |
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$node = $this->mkNode($key, $val); |
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array_push($buffer, $node); |
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} |
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|
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//print Dumper($container); |
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return $buffer; |
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|
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} |
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|
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function mkNode($name, $payload = null) { |
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|
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static $level; |
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static $anchor; |
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|
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if (!is_array($anchor)) { $anchor = array(); } |
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|
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// TODO: propagate to this place inside some argument container |
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// (make adjustable from View) |
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$level_max = 3; |
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//print "level: $level<br/>"; |
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|
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// build url to single node |
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//$url = linkargs::topic($name); |
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|
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// FIXME: HACK !!! |
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// Do we already have a Nirvana-API for such things? |
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// Propagating this through the lift seems impossible... |
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$parent_identifier = $_GET[ecdid]; |
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|
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/* |
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$main_buf = array(); |
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//for ($i = 0; $i < $level - 1; $i++) { |
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for ($i = 0; $i <= 2; $i++) { |
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if (!$anchor[$i]) { continue; } |
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array_push($main_buf, $anchor[$i]); |
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} |
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$main = join('.', $main_buf); |
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|
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//$filter = join('.', $anchor); |
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// FIXME: this is limited to three levels only |
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//$appendix = $anchor[2] ? (':' . join('.', array( $anchor[2], $anchor[3] ))) : ''; |
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$appendix = ''; |
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$appendix_buf = array(); |
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for ($i = 2; $i <= sizeof($anchor); $i++) { |
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//for ($i = $level - 1; $i <= sizeof($anchor); $i++) { |
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if (!$anchor[$i]) { continue; } |
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array_push($appendix_buf, $anchor[$i]); |
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} |
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if ($appendix_buf) { |
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$appendix = ':' . join('.', $appendix_buf); |
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} |
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|
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//$filter = join('.', array( $anchor[0], $anchor[1] )) . $appendix; |
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$filter = $main . $appendix; |
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*/ |
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|
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$buf = array(); |
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for ($i = 0; $i <= $level; $i = $i + 3) { |
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$part = array(); |
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for ($j = $i; $j <= $i + 3; $j++) { |
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if (!$anchor[$j]) { continue; } |
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array_push($part, $anchor[$j]); |
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} |
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array_push($buf, join('.', $part)); |
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} |
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$filter = join(':', $buf); |
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|
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// build propare link arguments to refer to a node as item to let it become editable |
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$link_args = array( ecat => 'item', ecdm => $parent_identifier, ecdf => $filter ); |
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|
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// The identfier (by now the filename) transitions to a meta-argument here |
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// to make room for the sub-nodename becoming the identifier. ($name!) |
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$url = url::viewdatanode($name, $link_args); |
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|
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// vivify single node |
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$node = array( name => $name, attributes => array( url => $url ) ); |
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|
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if (is_array($payload)) { |
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// count the tree-level |
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$level++; |
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array_push($anchor, $name); |
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if ($level <= $level_max) { |
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$cnode = $this->transform($payload); |
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//array_push($buffer, $cnode); |
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//array_push($buffer, $this->mkContainer(array())); |
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$node = $this->mkContainer($cnode, $node); |
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} |
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$level--; |
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array_pop($anchor); |
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} else { |
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// TODO: !! |
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$node[attributes][alt] = $name; |
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} |
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|
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return $node; |
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} |
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|
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function mkContainer($data = array(), $parent = null) { |
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|
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// autocreate parent if undef |
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if (!$parent) { $parent = $this->mkNode('dummy'); } |
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|
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// sort keys of children alphabetically |
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// TODO: add behavior to this |
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asort($data); |
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|
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// vivify list of children |
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$node = array( |
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'children' => $data, |
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); |
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// merge them together and return result |
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$result = php::array_join_merge($parent, $node); |
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return $result; |
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} |
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|
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function perform(&$data) { |
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|
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//print Dumper($data); |
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|
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//array_multisort($data); |
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//asort($data); |
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|
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// V1 |
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$data = $this->transform($data); |
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$data = $this->mkContainer( $data, $this->mkNode('root') ); |
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|
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// V2 |
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//$data = $this->mkNode('root', $data); |
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|
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return $data; |
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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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