class

Tree

@Js
class Tree : Box

Tree visualizes TreeNodes as a series of expandable nodes.

See also: docDomkit

 constructors make

Constructor

 fields roots

Root nodes for this tree

 sel

Selection for tree

 methods rebuild

Rebuild tree layout

 onAction

Callback when a node has been double clicked

 refreshNode

Refresh given node

 expand

Set expanded state for given node

 onTreeEvent

Callback when a event occurs inside a tree node

 refresh

Refresh tree content

 onSelect

Callback when selection changes

 expand Void expand(TreeNode node, Bool expanded)

Set expanded state for given node.

 make new make()

Constructor.

 onAction Void onAction(|Tree,Event| f)

Callback when a node has been double clicked.

 onSelect Void onSelect(|This| f)

Callback when selection changes.

 onTreeEvent Void onTreeEvent(Str type, |TreeEvent| f)

Callback when a event occurs inside a tree node.

 rebuild Void rebuild()

Rebuild tree layout.

 refresh Void refresh()

Refresh tree content.

 refreshNode Void refreshNode(TreeNode node)

Refresh given node.

 roots TreeNode[] : roots

Root nodes for this tree.

 sel Selection : sel

Selection for tree. Index based selection is not supported for Tree.

 Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST