MixedTreeItem

False if any of the ancestors are not expanded. The root item is always available (even when MixedTreeView.showRoot == false).

The root is level 0. Its children are level 1 etc.

An event handler which is called when this item is expanded, but before the tree is actually expanded. This gives you the opportunity to adjust children. i.e. children can be lazily evaluated, just in time.

An event handler which is called when this item is expanded, but before the tree is actually expanded. This gives you the opportunity to adjust children. i.e. children can be lazily evaluated, just in time.

Expands this item, and all descendants.

Expands this item, and all ancestors

Return true iff this MixedTreeItem is a descendantOf other, or they are the same MixedTreeItem.

A convenient way to set onContractedProperty using a lambda.

A convenient way to set onExpandingProperty using a lambda.