org.jowidgets.tools.command

Class EnabledChecker

java.lang.Object

org.jowidgets.tools.command.EnabledChecker

All Implemented Interfaces:

IEnabledChecker, IChangeObservable

public class EnabledChecker
extends java.lang.Object
implements IEnabledChecker

Constructor Summary

Constructors

Constructor and Description
EnabledChecker() Creates a new enabled checker

Method Summary

Methods

Modifier and Type	Method and Description
void	addChangeListener(IChangeListener listener) Adds a change listener
void	fireEnabledStateChanged() Fires a changed event on all registered change listeners
IEnabledState	getEnabledState() Gets the enabled state
void	removeChangeListener(IChangeListener listener) Removes a changed listener
void	setDisabled(java.lang.String reason) Sets a disabled EnabledState with a given reason
void	setEnabled() Sets the enables state EnabledState.ENABLED
void	setEnabledState(IEnabledState enabledState) Sets the enabled state

Methods inherited from class java.lang.Object

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

Constructor Detail

EnabledChecker

public EnabledChecker()

Creates a new enabled checker

Method Detail

setEnabledState

public final void setEnabledState(IEnabledState enabledState)

Sets the enabled state

Parameters:

enabledState - The enabled state to set, must not be null

setEnabled

public final void setEnabled()

Sets the enables state EnabledState.ENABLED

setDisabled

public final void setDisabled(java.lang.String reason)

Sets a disabled EnabledState with a given reason

Parameters:

reason - The reason, may be empty and null

getEnabledState

public final IEnabledState getEnabledState()

Description copied from interface: IEnabledChecker

Gets the enabled state

Specified by:

getEnabledState in interface IEnabledChecker

Returns:

The enabled state, never null

addChangeListener

public final void addChangeListener(IChangeListener listener)

Description copied from interface: IChangeObservable

Adds a change listener

Specified by:

addChangeListener in interface IChangeObservable

Parameters:

listener - The listener to add

removeChangeListener

public final void removeChangeListener(IChangeListener listener)

Description copied from interface: IChangeObservable

Removes a changed listener

Specified by:

removeChangeListener in interface IChangeObservable

Parameters:

listener - The listener to remove

fireEnabledStateChanged

public final void fireEnabledStateChanged()

Fires a changed event on all registered change listeners