Menus & Navigation
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<?php
class menu {
var $name;
var $items;
var $open;
var $closed;
var $indent;
function menu($name,
$open = '(-)',
$closed = '(+)',
$indent = ' '
)
{
$this->items = array();
$this->name = $name;
$this->open = $open;
$this->closed = $closed;
$this->indent = $indent;
}
function add($name, $href = "", $target = "") {
$n = count($this->items);
if (is_object($name)) {
$this->items[$n] = $name;
} else {
$this->items[$n]['name'] = $name;
$this->items[$n]['href'] = $href;
$this->items[$n]['target'] = $target;
}
}
function show($nest = 0) {
$urlname = strtr($this->name, ' ', '_');
$indent = '';
global $$urlname;
global $PHP_SELF;
global $QUERY_STRING;
if ($nest) {
$indent = str_repeat($this->indent, $nest);
}
if (isset($$urlname)) {
printf('%s<a href="%s?%s">%s</a><br>',
$indent . $this->open,
$PHP_SELF,
ereg_replace("{$urlname}=&", '', $QUERY_STRING),
$this->name);
echo "n";
while (list(,$item) = each($this->items)) {
if (is_object($item)) {
$item->show($nest + 1);
} else {
printf('%s<a href="%s"%s>%s</a><br>',
$indent . $this->indent,
$item['href'],
(!empty($item['target']) ? ' target="' .
$item['target'] . '"'
: ''),
$item['name']);
echo "n";
}
}
} else {
printf('%s<a href="%s?%s=&%s">%s</a><br>',
$indent . $this->closed,
$PHP_SELF,
$urlname, $QUERY_STRING,
$this->name);
echo "n";
}
}
}
?>
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Usage Example
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<?php
include('menu.php');
$submenu = new menu('Sub Menu');
$submenu->add('Sub Item 1', 'link.html', '_new');
$submenu->add('Sub Item 2', 'link.html');
$main = new menu('Main');
$main->add('Main Item 1', 'link.html');
$main->add('Main Item 2', 'link.html');
$main->add($submenu);
$main->add('Main Item 3', 'link.html');
$second = new menu('Secondary Menu');
$second->add('Secondary Item 1', 'link.html');
$second->add('Secondary Item 2', 'link.html');
$main->show();
$second->show();
?>
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