********************************************************************************/
-define('BANANA_TREE_VERSION', '0.1');
+define('BANANA_TREE_VERSION', '0.1.2');
/**
* Class representing a thread tree
/** Data
*/
- public $data;
+ public $data = array();
+
+ /** Data caching
+ */
+ private $urls = array();
+ private $title = array();
+
+ private $displaid = null;
/** Construct a new tree from a given root
*/
- public function __construct(BananaSpoolHead &$root)
+ public function __construct(BananaSpoolHead $root)
{
if (empty($root->children)) {
$this->data = null;
} else {
- $tree =& $this->builder($root);
- $this->data = '<div class="tree"><div style="height:18px">'
- . implode("</div>\n<div style=\"height:18px\">", $tree)
- . '</div></div>';
+ $this->data =& $this->builder($root);
}
$this->time = time();
$this->version = BANANA_TREE_VERSION;
$this->saveToFile($root->id);
}
- private function &builder(BananaSpoolHead &$head)
+ 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 = '<span style="' . $style . '" title="' . banana_entities($head->name . ', ' . Banana::$spool->formatDate($head))
- . '"><input type="radio" name="banana_tree" '
- . (Banana::$msgshow_javascript ? 'onchange="window.location=\'' .
- banana_entities(Banana::$page->makeURL(array('group' => Banana::$spool->group, 'artid' => $head->id))) . '\'"'
- : ' disabled="disabled"')
- . ' /></span>';
- $array = array($text);
+ $array = array(array($head->id));
+ $this->urls[$head->id] = banana_entities(Banana::$page->makeURL(array('group' => Banana::$group,
+ 'artid' => $head->id)));
+ $this->title[$head->id] = banana_entities($head->name . ', ' . Banana::$spool->formatDate($head));
foreach ($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;
+ $array[0] = array_merge($array[0], array(array('+', $msg->id)), $line);
} else if($kt === 0 && $key === 0) {
- $array[0] .= ($msg->isread ? $r_h : $u_h) . $line;
+ $array[0] = array_merge($array[0], array(array('-', $msg->id)), $line);
} else if ($kt === 0 && $last) {
- $array[] = $t_e . ($msg->isread ? $r_vt : $u_vt) . $line;
+ $array[] = array_merge(array(' ', array('`', $msg->id)), $line);
} else if ($kt === 0) {
- $array[] = $t_e . ($msg->isread ? $r_f : $u_f) . $line;
+ $array[] = array_merge(array(' ', array('t', $msg->id)), $line);
} else if ($last) {
- $array[] = $t_e . $t_e . $line;
+ $array[] = array_merge(array(' ', ' '), $line);
} else {
- $array[] = $t_e . ($msg->isread ? $r_l : $u_l) . $line;
+ $array[] = array_merge(array(' ', array('|', $head->children[$key+1]->id)), $line);
}
}
unset($tree);
file_put_contents(BananaTree::filename($id), serialize($this));
}
+ /** Create a reference to a tree image.
+ */
+ static private function makeTreeImg($img, $alt)
+ {
+ return Banana::$page->makeImg(Array('img' => $img, 'alt' => $alt, 'height' => 18, 'width' => 14));
+ }
+
+ /** Add an entry to the static tree association table.
+ */
+ static private function addTreeKind(array& $tree, $ascii, $img)
+ {
+ $tree[$ascii] = array(self::makeTreeImg($img . Banana::$tree_unread, $ascii),
+ self::makeTreeImg($img . Banana::$tree_read, $ascii));
+ }
+
/** Return html to display the tree
*/
public function &show()
{
- return $this->data;
+ if (!is_null($this->displaid) || is_null($this->data)) {
+ return $this->displaid;
+ }
+ static $t_e, $tree;
+ //$u_h, $u_ht, $u_vt, $u_l, $u_f, $r_h, $r_ht, $r_vt, $r_l, $r_f;
+ if (!isset($t_e)) {
+ $t_e = self::makeTreeImg('e', ' ');
+ $tree = array();
+ self::addTreeKind($tree, '+', 'p2');
+ self::addTreeKind($tree, '-', 'm2');
+ self::addTreeKind($tree, '|', 'l2');
+ self::addTreeKind($tree, '`', 'a2');
+ self::addTreeKind($tree, 't', 't2');
+ }
+ $text = '<div class="tree">';
+ foreach ($this->data as &$line) {
+ $text .= '<div style="height: 18px">';
+ foreach ($line as &$item) {
+ if ($item == ' ') {
+ $text .= $t_e;
+ } else if (is_array($item)) {
+ $head =& Banana::$spool->overview[$item[1]];
+ $text .= $tree[$item[0]][$head->isread ? 1 : 0];
+ } else {
+ $head =& Banana::$spool->overview[$item];
+ $text .= '<span style="background-color: ' . $head->color . '; text-decoration: none" title="'
+ . $this->title[$item] . '"><input type="radio" name="banana_tree" value="' . $head->id . '"';
+ if (Banana::$msgshow_javascript) {
+ $text .= ' onchange="window.location=\'' . $this->urls[$item] . '\'"';
+ } else {
+ $text .= ' disabled="disabled"';
+ }
+ if (Banana::$artid == $item) {
+ $text .= ' checked="checked"';
+ }
+ $text .= '/></span>';
+ }
+ }
+ $text .= "</div>\n";
+ }
+ $text .= '</div>';
+ $this->displaid =& $text;
+ return $text;
}
/** Get filename
*/
static private function filename($id)
{
- return BananaSpool::getPath('tree_' . $id);
+ static $host;
+ if (!isset($host)) {
+ $host = parse_url(Banana::$page->makeURL(array()), PHP_URL_HOST);
+ }
+ return BananaSpool::getPath('tree_' . $id . '_' . $host);
}
/** Read a tree from a file