PreferenceChangeEvent (JOSM)

All Known Implementing Classes:

DefaultPreferenceChangeEvent
```
public interface PreferenceChangeEvent
```
Event triggered when a preference entry value changes.

Since:

12881

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getKey()`	Returns the preference key.
`Setting<?>`	`getNewValue()`	Returns the new preference value.
`Setting<?>`	`getOldValue()`	Returns the old preference value.
`java.lang.Class<?>`	`getSource()`	Returns the class source of this event.

- Method Detail
  - getSource
```
java.lang.Class<?> getSource()
```
    Returns the class source of this event.
    
    Returns:
    
    The class source of this event
    
    Since:
    
    14977
  - getKey
```
java.lang.String getKey()
```
    Returns the preference key.
    
    Returns:
    
    the preference key
  - getOldValue
```
Setting<?> getOldValue()
```
    Returns the old preference value.
    
    Returns:
    
    the old preference value
  - getNewValue
```
Setting<?> getNewValue()
```
    Returns the new preference value.
    
    Returns:
    
    the new preference value