A DESCRIPTION OF THE REQUEST :
javafx.scene.control.CheckBoxTreeItem should provide a "disabled" property similar to javafx.scene.control.CheckBox.



JUSTIFICATION :
There are useful cases where a tree must be displayed with containg pre-selected items that must not be selected or de-selected by the user.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
item = new CheckBoxTreeItem();
item.setSelected(true);
item.setDisabled(true);

The item shall be rendered the same way as a disabled CheckBox is rendered and all user action shall be ignored.