public class ValueChangingEvent extends ObservableEvent
IObservableValue
object's current value. Listeners can veto the
pending change by setting veto
to true
.Modifier and Type | Field and Description |
---|---|
ValueDiff |
diff
Description of the change to the source observable value.
|
boolean |
veto
Flag for vetoing this change.
|
source
Constructor and Description |
---|
ValueChangingEvent(IObservableValue source,
ValueDiff diff)
Creates a new value changing event.
|
Modifier and Type | Method and Description |
---|---|
protected void |
dispatch(IObservablesListener listener)
Dispatch this event to the given listener.
|
protected Object |
getListenerType()
Returns a unique object used for distinguishing this event type from
others.
|
IObservableValue |
getObservableValue() |
getObservable
getSource, toString
public ValueDiff diff
public boolean veto
false
, can
be set to true
by listeners to veto this change.public ValueChangingEvent(IObservableValue source, ValueDiff diff)
source
- the source observable valuediff
- the value changepublic IObservableValue getObservableValue()
protected void dispatch(IObservablesListener listener)
ObservableEvent
dispatch
in class ObservableEvent
listener
- the listener that should handle the eventprotected Object getListenerType()
ObservableEvent
getListenerType
in class ObservableEvent
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