Tree nodes — tree_node • termr

Tree nodes

Usage

tree_node(label, ..., data = NULL, expanded = FALSE, id = NULL, loader = NULL)

Arguments

label: Text shown for the node.
...: Child nodes, or strings (leaf nodes).
data: Any R value attached to the node (e.g. a file path).
expanded: Start expanded?
id: Optional identifier (see node$find(id)).
loader: Optional function(node) returning child nodes (or labels), called the first time the node is expanded. Use it for large or expensive trees such as file systems.

Value

A TreeNode.

Examples

root <- tree_node("Project", tree_node("R", "app.R", "widget.R"), "README.md", expanded = TRUE)
root
#> - Project
#>   + R
#>       app.R
#>       widget.R
#>     README.md