Modifier and Type | Method and Description |
---|---|
void |
addPropertyChangeListener(java.beans.PropertyChangeListener listener)
Adds the given listener.
|
void |
addPropertyChangeListener(java.lang.String propertyName,
java.beans.PropertyChangeListener listener)
Adds the given listener for the given property only.
|
java.beans.PropertyChangeListener[] |
getPropertyChangeListeners()
Returns all listeners.
|
java.beans.PropertyChangeListener[] |
getPropertyChangeListeners(java.lang.String propertyName)
Returns all listeners of the given property.
|
boolean |
hasListener(java.beans.PropertyChangeListener listener)
Checks if the given listener is already available.
|
boolean |
hasListener(java.lang.String propertyName,
java.beans.PropertyChangeListener listener)
Checks if the given listener is available for the given property.
|
boolean |
hasListeners()
Checks if listeners are available.
|
boolean |
hasListeners(java.lang.String propertyName)
Checks if listeners are available for the given property.
|
void |
removePropertyChangeListener(java.beans.PropertyChangeListener listener)
Removes the given listener.
|
void |
removePropertyChangeListener(java.lang.String propertyName,
java.beans.PropertyChangeListener listener)
Removes the given listener from the given property.
|
void addPropertyChangeListener(java.beans.PropertyChangeListener listener)
listener
- The listener to add.void addPropertyChangeListener(java.lang.String propertyName, java.beans.PropertyChangeListener listener)
propertyName
- The property to observe.listener
- The listener to add.void removePropertyChangeListener(java.beans.PropertyChangeListener listener)
listener
- The listener to remove.void removePropertyChangeListener(java.lang.String propertyName, java.beans.PropertyChangeListener listener)
propertyName
- The property to no longer observe.listener
- The listener to remove.java.beans.PropertyChangeListener[] getPropertyChangeListeners()
java.beans.PropertyChangeListener[] getPropertyChangeListeners(java.lang.String propertyName)
propertyName
- The property.boolean hasListeners()
true
listeners available, false
no listeners are available.boolean hasListeners(java.lang.String propertyName)
propertyName
- The property name.true
listeners available for the property, false
no listeners are available for the property.boolean hasListener(java.beans.PropertyChangeListener listener)
listener
- The listener to check.true
listener is available, false
listener is not available.boolean hasListener(java.lang.String propertyName, java.beans.PropertyChangeListener listener)
propertyName
- The property.listener
- The listener to check.true
listener is available for the property, false
listener is not available for the property.