public function save($sample = FALSE)
{
if ($this->loaded === FALSE) {
$this->save();
$new_item = ORM::factory('navigation_item');
$new_item->navigation_id = $this->id;
$new_item->fk_site = $this->fk_site;
$new_item->display_name = 'ROOT';
$new_item->type = 'none';
$new_item->data = 0;
$new_item->local_parent = 0;
$new_item->save();
$this->root_id = $new_item->id;
if ($sample) {
$new_item->clear();
$new_item->navigation_id = $this->id;
$new_item->fk_site = $this->fk_site;
$new_item->display_name = 'Sample list item';
$new_item->type = 'none';
$new_item->data = '';
$new_item->local_parent = $navigation->root_id;
$new_item->save();
$new_item->clear();
$new_item->navigation_id = $this->id;
$new_item->fk_site = $this->fk_site;
$new_item->display_name = 'Link to Home';
$new_item->type = 'page';
$new_item->data = 'home';
$new_item->local_parent = $navigation->root_id;
$new_item->save();
$new_item->clear();
$new_item->navigation_id = $this->id;
$new_item->fk_site = $this->fk_site;
$new_item->display_name = 'External Google Link';
$new_item->type = 'url';
$new_item->data = 'google.com';
$new_item->local_parent = $navigation->root_id;
$new_item->save();
# Update left and right values
Tree::rebuild_tree('navigation_item', $navigation->root_id, $this->fk_site, '1');
}
}
return parent::save();
}
public function add()
{
if (!$_POST) {
die('Nothing Sent.');
}
$navigation = $this->get_parent('navigation');
$_POST['data'] = empty($_POST['data']) ? '' : $_POST['data'];
# if for any reason local_parent is null, just add to root.
$_POST['local_parent'] = empty($_POST['local_parent']) ? $navigation->root_id : $_POST['local_parent'];
$new_item = ORM::factory('navigation_item');
$new_item->navigation_id = $this->pid;
$new_item->fk_site = $this->site_id;
$new_item->display_name = $_POST['item'];
$new_item->type = $_POST['type'];
$new_item->data = $_POST['data'];
$new_item->local_parent = $_POST['local_parent'];
$new_item->save();
# Update left and right values
Tree::rebuild_tree('navigation_item', $navigation->root_id, $this->site_id, '1');
die("{$new_item->id}");
# output to javascript
}
public static function rebuild_tree($model, $local_parent, $site_id, $left)
{
# the right value of this node is the left value + 1
$right = $left + 1;
$navigation_items = ORM::factory($model)->where(array('fk_site' => $site_id, 'local_parent' => $local_parent))->orderby('position', 'asc')->find_all();
foreach ($navigation_items as $item) {
# recursive function for each child of this node
# $right is the current right value;
# incremented by the rebuild_tree function
$right = Tree::rebuild_tree($model, $item->id, $site_id, $right);
}
# we've got the left value, and now that we've processed
# the children of this node we also know the right value
$item = ORM::factory($model, $local_parent);
$item->lft = $left;
$item->rgt = $right;
$item->save();
# return the right value of this node + 1
return $right + 1;
}
