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 expand

Set expanded state for given node

 onAction

Callback when a node has been double clicked

 onSelect

Callback when selection changes

 onTreeEvent

Callback when a event occurs inside a tree node

 rebuild

Rebuild tree layout

 refresh

Refresh tree content

 refreshNode

Refresh given node

 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 4.0.6 ∙ 21-Jul-2026 09:48 EDT