ExplorerNode.RdR6Class representing a node in an explorer tree which can
be traversed using the explorer module. Each node has an
explorer_class attached representing the general behaviour of
nodes with this explorer_class in the explorer. Furthermore an
object is attached representing the special behaviour and data associated with
this particular node.
You usually don't want to call explicitly ExplorerNode$new.
Instead you should create a new explorer tree with ExplorerTree,
take its root node with root <- explorer_tree$get_root_node() and
afterwards call root$add_child().
add_child(addable_explorer_classes = NULL, explorer_class_id = "__group__",
id = NULL, object = Object$new(), removable = TRUE,
return = c("self", "child")Initialize a new node object which is attached to the current node object as a child, but only if this node is a group node.
addable_explorer_classes | A character
vector containing the ids of explorer classes, which are addable only
to this specific node. |
explorer_class_id | Id of an object of class
ExplorerClass, which defines the behaviour of the child
node in the explorer. This object must be passed to
explorer as an element of the .explorer_classes list. |
id | Unique identifier of the node. If NULL,
this identifier is created internally. |
object | An arbitrary object for storing information about the child node. |
removable | If TRUE, this node is
removable by the user, else not. |
return | If "self", this method returns the node, which
adds a child; If "child", the added node is returned. |
get_addable_explorer_classes()Get the id of explorer classes, which are explicitly addable to this children. Note: This does not include the ids of explorer classes that are addable to the current explorer or to all objects that share the same class with this node.
get_children()Get an object of class ObjectStorage
containing all children of this node. Each child is an object of class
ExplorerNode.
get_child(id)Get the child node object with id == id.
get_child_ids()Get the ids of all child nodes of this node object.
get_child_objectsGet an object of class
ObjectStorage containing all objects associated with the
children of this node. These objects are usually heterogeneous, which means
they are instances of different classes.
get_explorer_class_id()Get the id of the object of class
explorer_class associated with this node object.
get_id()Get the id of the node object.
get_nth_child(n)Get the nth child of this node object. The first added child is returned for coden = 1.
get_object()Get the object associated with this node object.
get_parent_node()Get the parent node of this node.
get_siblings()Get an object of class ObjectStorage
containing all siblings of this node. Each sibling is an object of class
ExplorerNode.
is_removable()Returns a logical
indicating whether this node is removable or not.
remove_child(id)Remove the child with id == id.
set_addable_explorer_classes(addable_explorer_classes)Set the ids of the explorer classes, which are addable as children to this node.
addable_explorer_classes | character vector |
set_explorer_class_id(explorer_class_id)Set the id of the
object of class explorer_class associated with this node object.
set_object(object)Set an arbitrary object associated with this node object.