WP_Admin_Bar::_bind(): object|void

Source

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; } 

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