com.vaadin.event.

java.lang.Object
- com.vaadin.event.ActionManager

All Implemented Interfaces:

Action.Container, Action.Handler, Action.Notifier, Serializable

Direct Known Subclasses:

ConnectorActionManager
```
public class ActionManager
extends Object
implements Action.Handler, Action.Notifier
```
Javadoc TODO Notes:
Empties the keymapper for each repaint to avoid leaks; can cause problems in the future if the client assumes key don't change. (if lazyloading, one must not cache results)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`protected HashSet<Action.Handler>`	`actionHandlers`	List of action handlers.
`protected KeyMapper<Action>`	`actionMapper`	Action mapper.
`protected HashSet<Action>`	`ownActions`	List of action handlers.
`protected Component`	`viewer`

Constructor Summary

Constructors
Constructor Description

ActionManager()

ActionManager(T viewer)

Method Summary

All Methods
Modifier and Type	Method	Description
`<T extends Action & Action.Listener> void`	`addAction(T action)`
`void`	`addActionHandler(Action.Handler actionHandler)`	Registers a new action handler for this container.
`Action[]`	`getActions(Object target, Object sender)`	Gets the list of actions applicable to this handler.
`void`	`handleAction(Action action, Object sender, Object target)`	Handles an action for the given target.
`void`	`handleActions(Map<String,Object> variables, Action.Container sender)`
`void`	`paintActions(Object actionTarget, PaintTarget paintTarget)`
`<T extends Action & Action.Listener> void`	`removeAction(T action)`
`void`	`removeActionHandler(Action.Handler actionHandler)`	Removes a previously registered action handler for the contents of this container.
`void`	`removeAllActionHandlers()`
`<T extends Component & Action.Container & VariableOwner> void`	`setViewer(T viewer)`

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

- Field Detail
  - ownActions
```
protected HashSet<Action> ownActions
```
    List of action handlers. Guaranteed to keep the original insertion order.
  - actionHandlers
```
protected HashSet<Action.Handler> actionHandlers
```
    List of action handlers. Guaranteed to keep the original insertion order.
  - actionMapper
```
protected KeyMapper<Action> actionMapper
```
    Action mapper.
  - viewer
```
protected Component viewer
```
- Constructor Detail
  - ActionManager
```
public ActionManager()
```
  - ActionManager
```
public ActionManager(T viewer)
```
- Method Detail
  - setViewer
```
public <T extends Component & Action.Container & VariableOwner> void setViewer(T viewer)
```
  - addAction
```
public <T extends Action & Action.Listener> void addAction(T action)
```
    Specified by:
    
    addAction in interface Action.Notifier
  - removeAction
```
public <T extends Action & Action.Listener> void removeAction(T action)
```
    Specified by:
    
    removeAction in interface Action.Notifier
  - addActionHandler
```
public void addActionHandler(Action.Handler actionHandler)
```
    Description copied from interface: Action.Container
    
    Registers a new action handler for this container.
    
    Specified by:
    
    addActionHandler in interface Action.Container
    
    Parameters:
    
    actionHandler - the new handler to be added.
  - removeActionHandler
```
public void removeActionHandler(Action.Handler actionHandler)
```
    Description copied from interface: Action.Container
    
    Removes a previously registered action handler for the contents of this container.
    
    Specified by:
    
    removeActionHandler in interface Action.Container
    
    Parameters:
    
    actionHandler - the handler to be removed.
  - removeAllActionHandlers
```
public void removeAllActionHandlers()
```
  - paintActions
```
public void paintActions(Object actionTarget,
                         PaintTarget paintTarget)
                  throws PaintException
```
    Throws:
    
    PaintException
  - handleActions
```
public void handleActions(Map<String,Object> variables,
                          Action.Container sender)
```
  - getActions
```
public Action[] getActions(Object target,
                           Object sender)
```
    Description copied from interface: Action.Handler
    
    Gets the list of actions applicable to this handler.
    
    Specified by:
    
    getActions in interface Action.Handler
    
    Parameters:
    
    target - the target handler to list actions for. For item containers this is the item id.
    
    sender - the party that would be sending the actions. Most of this is the action container.
    
    Returns:
    
    the list of Action
  - handleAction
```
public void handleAction(Action action,
                         Object sender,
                         Object target)
```
    Description copied from interface: Action.Handler
    
    Handles an action for the given target. The handler method may just discard the action if it's not suitable.
    
    Specified by:
    
    handleAction in interface Action.Handler
    
    Parameters:
    
    action - the action to be handled.
    
    sender - the sender of the action. This is most often the action container.
    
    target - the target of the action. For item containers this is the item id.

Constructors
Constructor	Description
`ActionManager()`
`ActionManager(T viewer)`

com.vaadin.event.

Class ActionManager

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ownActions

actionHandlers

actionMapper

viewer

Constructor Detail

ActionManager

ActionManager

Method Detail

setViewer

addAction

removeAction

addActionHandler

removeActionHandler

removeAllActionHandlers

paintActions

handleActions

getActions

handleAction