ilog.views.appframe.event

Class IlvActionHandlerArray

java.lang.Object

ilog.views.appframe.event.IlvActionHandlerArray

All Implemented Interfaces:

ActionHandler, ActionListener, EventListener

public class IlvActionHandlerArray
extends Object
implements ActionHandler

Action handler that contains an array of action handlers.

Constructor Summary

Constructors

Constructor and Description
IlvActionHandlerArray() Constructs a new IlvActionHandlerArray.

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(ActionEvent e) Invoked when an action occurs.
void	addActionHandler(ActionHandler actionHandler) Adds the specified actionHandler to the list of action handlers of this object.
ActionHandler	getActionHandler(String command) Retrieves the action handler of this object that is able to process the action with the specified command key.
boolean	isProcessingAction(String command) Determines whether the action handler is able to perform the action with the specified command key in its ActionListener.actionPerformed(java.awt.event.ActionEvent) method.
boolean	removeActionHandler(ActionHandler actionHandler) Removes the specified actionHandler from the list of action handlers of this object.
boolean	updateAction(Action action) Invoked by the application to update the state of the specified action.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IlvActionHandlerArray

public IlvActionHandlerArray()

Constructs a new IlvActionHandlerArray.

Method Detail

isProcessingAction

public boolean isProcessingAction(String command)

Determines whether the action handler is able to perform the action with the specified command key in its ActionListener.actionPerformed(java.awt.event.ActionEvent) method.

Specified by:

isProcessingAction in interface ActionHandler

Parameters:

command - The command key of the action.

Returns:

true if one of the action handlers added to the object can process the action; false otherwise.

See Also:

getActionHandler(java.lang.String)

getActionHandler

public ActionHandler getActionHandler(String command)

Retrieves the action handler of this object that is able to process the action with the specified command key.

Parameters:

command - The command key of the action to retrieve an action handler from.

Returns:

The action handler with the ActionHandler.isProcessingAction(java.lang.String) method that returns true for the specified action command or null if there is no action handler that can process this action.

See Also:

isProcessingAction(java.lang.String)

actionPerformed

public void actionPerformed(ActionEvent e)

Invoked when an action occurs. The action handler returned by the getActionHandler(java.lang.String) method has its actionPerformed method called with the specified action event parameter.

Specified by:

actionPerformed in interface ActionListener

Parameters:

e - The action event to process.

updateAction

public boolean updateAction(Action action)

Invoked by the application to update the state of the specified action.

Specified by:

updateAction in interface ActionHandler

Parameters:

action - The action to update.

Returns:

true if one of the action handlers of this object could update the state of the action; false otherwise.

addActionHandler

public void addActionHandler(ActionHandler actionHandler)

Adds the specified actionHandler to the list of action handlers of this object.

Parameters:

actionHandler - The new action handler to add.

See Also:

removeActionHandler(ilog.views.appframe.event.ActionHandler)

removeActionHandler

public boolean removeActionHandler(ActionHandler actionHandler)

Removes the specified actionHandler from the list of action handlers of this object.

Parameters:

actionHandler - The action handler to remove.

Returns:

true if the action handler was previously added to this object; false otherwise.

See Also:

addActionHandler(ilog.views.appframe.event.ActionHandler)