children)) { $this->data = null; } else { $tree =& $this->builder($root); $this->data = '

' . implode("

", $tree) . '

'; } $this->time = time(); $this->version = BANANA_TREE_VERSION; $this->saveToFile($root->id); } private function &builder(BananaSpoolHead &$head) { static $t_e, $u_h, $u_ht, $u_vt, $u_l, $u_f, $r_h, $r_ht, $r_vt, $r_l, $r_f; if (!isset($spfx_f)) { $t_e = Banana::$page->makeImg(Array('img' => 'e', 'alt' => ' ', 'height' => 18, 'width' => 14)); $u_h = Banana::$page->makeImg(Array('img' => 'h2', 'alt' => '-', 'height' => 18, 'width' => 14)); $u_ht = Banana::$page->makeImg(Array('img' => 'T2', 'alt' => '+', 'height' => 18, 'width' => 14)); $u_vt = Banana::$page->makeImg(Array('img' => 't2', 'alt' => '`', 'height' => 18, 'width' => 14)); $u_l = Banana::$page->makeImg(Array('img' => 'l2', 'alt' => '|', 'height' => 18, 'width' => 14)); $u_f = Banana::$page->makeImg(Array('img' => 'f2', 'alt' => 't', 'height' => 18, 'width' => 14)); $r_h = Banana::$page->makeImg(Array('img' => 'h2r', 'alt' => '-', 'height' => 18, 'width' => 14)); $r_ht = Banana::$page->makeImg(Array('img' => 'T2r', 'alt' => '+', 'height' => 18, 'width' => 14)); $r_vt = Banana::$page->makeImg(Array('img' => 't2r', 'alt' => '`', 'height' => 18, 'width' => 14)); $r_l = Banana::$page->makeImg(Array('img' => 'l2r', 'alt' => '|', 'height' => 18, 'width' => 14)); $r_f = Banana::$page->makeImg(Array('img' => 'f2r', 'alt' => 't', 'height' => 18, 'width' => 14)); } $style = 'background-color:' . $head->color . '; text-decoration: none'; $text = ''; $array = array($text); foreach ($head->children as $key=>&$msg) { $tree =& $this->builder($msg); $last = $key == count($head->children) - 1; foreach ($tree as $kt=>&$line) { if ($kt === 0 && $key === 0 && !$last) { $array[0] .= ($msg->isread ? $r_ht : $u_ht) . $line; } else if($kt === 0 && $key === 0) { $array[0] .= ($msg->isread ? $r_h : $u_h) . $line; } else if ($kt === 0 && $last) { $array[] = $t_e . ($msg->isread ? $r_vt : $u_vt) . $line; } else if ($kt === 0) { $array[] = $t_e . ($msg->isread ? $r_f : $u_f) . $line; } else if ($last) { $array[] = $t_e . $t_e . $line; } else { $array[] = $t_e . ($msg->isread ? $r_l : $u_l) . $line; } } unset($tree); } return $array; } /** Save the content of the tree into a file */ private function saveToFile($id) { file_put_contents(BananaTree::filename($id), serialize($this)); } /** Return html to display the tree */ public function &show() { return $this->data; } /** Get filename */ static private function filename($id) { return BananaSpool::getPath('tree_' . $id); } /** Read a tree from a file */ static private function &readFromFile($id) { $tree = null; $file = BananaTree::filename($id); if (!file_exists($file)) { return $tree; } $tree = unserialize(file_get_contents($file)); if ($tree->version != BANANA_TREE_VERSION) { $tree = null; } return $tree; } /** Build a tree for the given id */ static public function &build($id) { $root =& Banana::$spool->root($id); if (!isset(BananaTree::$cache[$root->id])) { $tree =& BananaTree::readFromFile($root->id); if (is_null($tree) || $tree->time < $root->time) { $tree = new BananaTree($root); } BananaTree::$cache[$root->id] =& $tree; } return BananaTree::$cache[$root->id]; } /** Kill the file associated to the given id */ static public function kill($id) { @unlink(BananaTree::filename($id)); } } // vim:set et sw=4 sts=4 ts=4 enc=utf-8: ?>