InfoWorld

JavaFX 2’s Tri-State CheckBox

JavaFX 2.0 provides the CheckBox (notice capital ‘B’ versus AWT ‘s Checkbox ‘s lowercase ‘b’) control that supports three states (“undefined”, “checked”, and “unchecked”). The AWT Checkbox only ...
GitHub

Use Tri-state Checkboxes

JavaFX Checkboxes have the ability to support three states: true, false and indeterminate. I think we should use this in POL 5 to support the option "undecided". As an example I would suggest using a ...