final protected function _bind() {
if ( $this->bound ) {
return;
}
/*
* Add the root node.
* Clear it first, just in case. Don't mess with The Root.
*/
$this->remove_node( 'root' );
$this->add_node(
array(
'id' => 'root',
'group' => false,
)
);
// Normalize nodes: define internal 'children' and 'type' properties.
foreach ( $this->_get_nodes() as $node ) {
$node->children = array();
$node->type = ( $node->group ) ? 'group' : 'item';
unset( $node->group );
// The Root wants your orphans. No lonely items allowed.
if ( ! $node->parent ) {
$node->parent = 'root';
}
}
foreach ( $this->_get_nodes() as $node ) {
if ( 'root' === $node->id ) {
continue;
}
// Fetch the parent node. If it isn't registered, ignore the node.
$parent = $this->_get_node( $node->parent );
if ( ! $parent ) {
continue;
}
// Generate the group class (we distinguish between top level and other level groups).
$group_class = ( 'root' === $node->parent ) ? 'ab-top-menu' : 'ab-submenu';
if ( 'group' === $node->type ) {
if ( empty( $node->meta['class'] ) ) {
$node->meta['class'] = $group_class;
} else {
$node->meta['class'] .= ' ' . $group_class;
}
}
// Items in items aren't allowed. Wrap nested items in 'default' groups.
if ( 'item' === $parent->type && 'item' === $node->type ) {
$default_id = $parent->id . '-default';
$default = $this->_get_node( $default_id );
/*
* The default group is added here to allow groups that are
* added before standard menu items to render first.
*/
if ( ! $default ) {
/*
* Use _set_node because add_node can be overloaded.
* Make sure to specify default settings for all properties.
*/
$this->_set_node(
array(
'id' => $default_id,
'parent' => $parent->id,
'type' => 'group',
'children' => array(),
'meta' => array(
'class' => $group_class,
),
'title' => false,
'href' => false,
)
);
$default = $this->_get_node( $default_id );
$parent->children[] = $default;
}
$parent = $default;
/*
* Groups in groups aren't allowed. Add a special 'container' node.
* The container will invisibly wrap both groups.
*/
} elseif ( 'group' === $parent->type && 'group' === $node->type ) {
$container_id = $parent->id . '-container';
$container = $this->_get_node( $container_id );
// We need to create a container for this group, life is sad.
if ( ! $container ) {
/*
* Use _set_node because add_node can be overloaded.
* Make sure to specify default settings for all properties.
*/
$this->_set_node(
array(
'id' => $container_id,
'type' => 'container',
'children' => array( $parent ),
'parent' => false,
'title' => false,
'href' => false,
'meta' => array(),
)
);
$container = $this->_get_node( $container_id );
// Link the container node if a grandparent node exists.
$grandparent = $this->_get_node( $parent->parent );
if ( $grandparent ) {
$container->parent = $grandparent->id;
$index = array_search( $parent, $grandparent->children, true );
if ( false === $index ) {
$grandparent->children[] = $container;
} else {
array_splice( $grandparent->children, $index, 1, array( $container ) );
}
}
$parent->parent = $container->id;
}
$parent = $container;
}
// Update the parent ID (it might have changed).
$node->parent = $parent->id;
// Add the node to the tree.
$parent->children[] = $node;
}
$root = $this->_get_node( 'root' );
$this->bound = true;
return $root;
}
View all references View on Trac View on GitHub
Version | Description |
---|
3.3.0 | Introduced. |
User Contributed Notes
You must log in before being able to contribute a note or feedback.