SelectionEvent (vaadin-all 7.7.46 API)

java.lang.Object
- java.util.EventObject
- - com.vaadin.event.SelectionEvent

All Implemented Interfaces:

Serializable
```
public class SelectionEvent
extends EventObject
```
An event that specifies what in a selection has changed, and where the selection took place.

Since:

7.4

Author:

Vaadin Ltd

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`SelectionEvent.SelectionListener`	The listener interface for receiving `SelectionEvents`.
`static interface`	`SelectionEvent.SelectionNotifier`	The interface for adding and removing listeners for `SelectionEvents`.

Field Summary
- Fields inherited from class java.util.EventObject
  source

Constructor Summary

Constructors
Constructor Description

SelectionEvent(Object source, Collection<Object> oldSelection, Collection<Object> newSelection)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Set<Object>`	`getAdded()`	A `Collection` of all the itemIds that became selected.
`Set<Object>`	`getRemoved()`	A `Collection` of all the itemIds that became deselected.
`Set<Object>`	`getSelected()`	A `Collection` of all the itemIds that are currently selected.

Methods inherited from class java.util.EventObject
getSource, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - SelectionEvent
```
public SelectionEvent(Object source,
                      Collection<Object> oldSelection,
                      Collection<Object> newSelection)
```
- Method Detail
  - getAdded
```
public Set<Object> getAdded()
```
    A Collection of all the itemIds that became selected.
    Note: this excludes all itemIds that might have been previously selected.
    
    Returns:
    
    a Collection of the itemIds that became selected
  - getRemoved
```
public Set<Object> getRemoved()
```
    A Collection of all the itemIds that became deselected.
    Note: this excludes all itemIds that might have been previously deselected.
    
    Returns:
    
    a Collection of the itemIds that became deselected
  - getSelected
```
public Set<Object> getSelected()
```
    A Collection of all the itemIds that are currently selected.
    
    Returns:
    
    a Collection of the itemIds that are currently selected