Tuesday, January 6th 2009 3.07am GMT

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Scotland's Digital Future: A Blueprint

Strategy document in 3 parts - Innovation, Education, Infrastructure.

 

<?php
$book_top_page
= 41;
$levels_deep = 2;
$emulate_book_block = true;

if (!
function_exists('book_struct_recurse')){
  function
book_struct_recurse($nid, $levels_deep, $children, $current_lineage = array(), $emulate_book_block = true) {
   
$struct = '';
    if (
$children[$nid] && ($levels_deep > 0 || ($emulate_book_block && in_array($nid, $current_lineage)))) {
     
$struct = '<ul>';
      foreach (
$children[$nid] as $key => $node) {
        if (
$tree = book_struct_recurse($node->nid, $levels_deep - 1, $children, $current_lineage, $emulate_book_block)) {
         
$struct .= '<li class="expanded">';
         
$struct .= l($node->title, 'node/'. $node->nid);
         
$struct .= $tree;
         
$struct .= '</li>';
        }
        else {
          if (
$children[$node->nid]){
           
$struct .= '<li class="collapsed">'. l($node->title, 'node/'. $node->nid) .'</li>';
          }
          else {
           
$struct .= '<li class="leaf">'. l($node->title, 'node/'. $node->nid) .'</li>';
          }
        }
      }
     
$struct .= '</ul>';
      return
$struct;
    }
  }
}

$current_lineage = array();


// use this version for Drupal 4.6
// $result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid WHERE n.status = 1 ORDER BY b.weight, n.title'));

// use this version for Drupal 4.7 and Drupal 5
$result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid AND n.vid = b.vid WHERE n.status = 1 ORDER BY b.weight, n.title'));

while (
$node = db_fetch_object($result)) {
  if (!
$children[$node->parent]) {
   
$children[$node->parent] = array();
  }
 
array_push($children[$node->parent], $node);
 
  if (
arg(0) == 'node' && is_numeric(arg(1)) && arg(1) == $node->nid) {
   
$_temp = book_location($node);
    foreach (
$_temp as $key => $val){
     
$current_lineage[] = $val->nid;
    }
   
$current_lineage[] = arg(1);
  }
}

echo
book_struct_recurse($book_top_page, $levels_deep, $children, $current_lineage, $emulate_book_block);
?>