ActionConcentrator

java.lang.Object

org.jfree.ui.action.ActionConcentrator

public class ActionConcentrator extends Object

This class is used to collect actions to be enabled or disabled by a sinle call.

Field Summary

Fields

Modifier and Type

Field

Description

private final ArrayList

actions

The collection used to store the actions of this concentrator.
Constructor Summary

Constructors

Constructor

Description

ActionConcentrator()

DefaultConstructor.
Method Summary

Modifier and Type

Method

Description

void

addAction(Action a)

Adds the action to this concentrator.

boolean

isEnabled()

Returns, whether all actions are disabled.

void

removeAction(Action a)

Removes the action from this concentrator.

void

setEnabled(boolean b)

Defines the state for all actions.

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

Field Details
- actions
  
  private final ArrayList actions
  
  The collection used to store the actions of this concentrator.
Constructor Details
- ActionConcentrator
  
  public ActionConcentrator()
  
  DefaultConstructor.
Method Details
- addAction
  
  public void addAction(Action a)
  
  Adds the action to this concentrator.
  
  Parameters:
  
  a - the action to be added.
- removeAction
  
  public void removeAction(Action a)
  
  Removes the action from this concentrator.
  
  Parameters:
  
  a - the action to be removed.
- setEnabled
  
  public void setEnabled(boolean b)
  
  Defines the state for all actions.
  
  Parameters:
  
  b - the new state for all actions.
- isEnabled
  
  public boolean isEnabled()
  
  Returns, whether all actions are disabled. If one action is enabled, then this method will return true.
  
  Returns:
  
  true, if at least one action is enabled, false otherwise.