- setReadOnly
Sets the read-only mode of this HasValue to given mode. The user can't change
the value when in read
- setValue
Sets the value of this object. If the new value is not equal to getValue(),
fires a value change eve
- setRequiredIndicatorVisible
Sets the required indicator visible or not. If set visible, it is visually
indicated in the user int
- addValueChangeListener
Adds a value change listener. The listener is called when the value of this
HasValue is changed eith
- getValue
Returns the current value of this object.Implementation note: the implementing class should document
- clear
Resets the value to the empty one. This is just a shorthand for resetting the
value, see the methods
- isEmpty
Returns whether this HasValue is considered to be empty. By default this is an
equality check betwee
- isReadOnly
Returns whether this HasValue is in read-only mode or not.
- isRequiredIndicatorVisible
Checks whether the required indicator is visible.
- getDefaultValidator
Returns a validator that checks the internal state of the HasValue. This should
be overridden for co