Taxonomy-Tree

<?php
// -----------------------------------------------------

header("Content-Type: text/html; charset=utf-8");

// -----------------------------------------------------
?>
<html>
<head>
<title>Kategorie Baum - Google Taxonomy</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">


<script type="text/javascript">

function show(id) {
    if (document.getElementById(id).style.display == "none") {
        document.getElementById(id).style.display = "block";
    } else {
        document.getElementById(id).style.display = "none";
    }
}

</script>


</head>

<body bgcolor="#FFFFFF" text="#000000">

<h1>Kategorie Baum - Google Taxonomy</h1>

<br>
<br>
<br>

<?php
// -----------------------------------------------------------------

### http://www.google.com/basepages/producttype/taxonomy.de-DE.txt

$filename = 'taxonomy.de-DE.txt';

$fdata1 = file($filename, FILE_IGNORE_NEW_LINES);

// -----------------------------------------------------

$kat_temp = array();   // ---  Hilfs-Array ID->Name
$kat_data = array();   // ---  Ergebnis-Array Daten

$max_deep = 0;  // --- max. Tiefe der Kategorie-Ebenen

// -----------------------------------------------------------------

foreach($fdata1 as $key => $line) {

  if ($key > 0) {

// ------ Kategorie Ebene ($level) ermitteln -----
    $nx = substr_count($line, '>');
    if ($nx > $max_deep) { $max_deep = $nx; }
    ## $level = ($nx+1);
    $level = $nx;

// ------ Element in Array $kat_temp erstellen -----
    $subarray = explode('>', $line);
    $kat_name = trim($subarray[$nx]);
    $kat_temp[$key] = $kat_name;

// ------ parent_id aus $kat_temp ermitteln -----
    if ($nx > 0) {
      $ny = ($nx-1);
      $kat_pren = trim($subarray[$ny]);
      $kat_prek = array_search($kat_pren, $kat_temp);
    }
    else {
      $kat_pren  = 'root';
      $kat_prek = '0';
    }

// ------ Neues Array-Element erstellen -----
    $kat_data[$key] = array(
      'id' => $key,
      'parent_id' => $kat_prek,
      'level' => $level,
      'name' => $kat_name
    );

    unset($subarray);
  }

}

unset($kat_temp);

// -----------------------------------------------------------------


echo "<br />\n";
echo "<br />Max Deep: ".$max_deep."\n";
echo "<br />\n";

// -----------------------------------------------------------------

if (!empty($_REQUEST['d'])) {
$go_d = trim($_REQUEST['d']);
}
else {
$go_d = '1';
}

// -----------------------------------------------------------------


$runfile = $_SERVER['PHP_SELF'];

for ($d=1; $d<=$max_deep; $d++) {

if ($d == $go_d) {
echo "<br />... <strong>zeige ".$d." Ebene(n)</strong>\n";
}
else {
echo "<br />... <a href=\"".$runfile."?d=".$d."\">zeige ".$d." Ebene(n)</a>\n";
}

}


// -----------------------------------------------------------------


## print "<br />---- DEBUG --- kat_data ---- \n";
## print "<pre style=\"margin:8px; padding:6px; background:#DEDEDE;\">\n";
## print_r($kat_data);
## print "</pre>\n";
## print "<br />\n";


// -----------------------------------------------------------------


$p = array(0 => array());

foreach($kat_data as $n) {

  $pid = $n['parent_id'];
  $id = $n['id'];

  if (!isset($p[$pid])) {
    $p[$pid] = array('child' => array());
    }

  if (isset($p[$id])) { $child = &$p[$id]['child']; }
    else { $child = array(); }

  $p[$id] = $n;
  $p[$id]['child'] = &$child;
  ## unset($p[$id]['parent_id']);
  unset($child);

  $p[$pid]['child'][] = &$p[$id];

}

$nodes = $p['0']['child'];
unset($p);


// -----------------------------------------------------


## print "<br />---- DEBUG --- nodes ---- \n";
## print "<pre style=\"margin:8px; padding:6px; background:#DEDEDE;\">\n";
## print_r($nodes);
## print "</pre>\n";
## print "<br />\n";


// -----------------------------------------------------

$outputArray = array();
$nodeRefs = array(0 => &$outputArray);

foreach ($kat_data as $element) {

    $parent = &$nodeRefs[$element['parent_id']];
    $parent[$element['id']] = array( 'name' => $element['name'], 'parent_id' => $element['parent_id'], 'sub' => array() );
    $nodeRefs[$element['id']] = &$parent[$element['id']]['sub'];

}

// -----------------------------------------------------


## print "<br />---- DEBUG --- outputArray ---- \n";
## print "<pre style=\"margin:8px; padding:6px; background:#DEDEDE;\">\n";
## print_r($outputArray);
## print "</pre>\n";
## print "<br />\n";


// -----------------------------------------------------------------

function print_tree($array, $level=0, $view=1) {
global $go_shopid;

    if ($level == 0) { print "<ul id=\"katroot\" style=\"background:#DEDEDE;\">\n";  }


    foreach($array as $key => $val) {

        $level++;

        if ( isset($val['sub']) && !empty($val['sub']) ) {

            $preid = $val['parent_id'];

            print "<li>".$val['name']." (<a href=\"javascript:show('".$key.$level."')\">".$preid." / ".$key."</a>) - ".$level."";


            if ($level == 1) { $ulcolor = 'background:#FFFFCC;'; }
                elseif ($level == 2) { $ulcolor = 'background:#CCFFFF;'; }
                elseif ($level == 3) { $ulcolor = 'background:#FFFFFF;'; }
                elseif ($level == 4) { $ulcolor = 'background:#FFCCFF;'; }
                elseif ($level == 5) { $ulcolor = 'background:#EEEEFF;'; }
                else { $ulcolor = 'background:#EAEAEA;'; }

            if ($level >= $view) { $ulview = 'display:none;'; }
                else { $ulview = 'display:block;'; }

            $ulstyle = 'style="'.$ulview.' '.$ulcolor.'"';

            print "\n<ul id=\"".$key.$level."\" ".$ulstyle.">\n";


            print_tree($val['sub'], $level, $view);

            print "</li>\n</ul>\n";

        }
        else {

            print "<li>".$val['name']." (".$key.") - ".$level."</li>\n";

        }


        $level--;

    }

    if ($level == 0) { print "</ul>\n"; }


}

// -----------------------------------------------------------------


print "<br />\n";
print "<br />\n";
print "<br />\n";


$data_array = $outputArray;
$startlevel = 0;
$open_level = $go_d;

print_tree($data_array, $startlevel, $open_level);

print "<br />\n";
print "<br />\n";
print "<br />\n";


// -----------------------------------------------------------------
?>


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</body>
</html>