com.samskivert.swing
Class EnablingAdapter

java.lang.Object
  com.samskivert.swing.EnablingAdapter

Direct Known Subclasses:

EnablingAdapter.PropertyChangeEnabler

public class EnablingAdapter
extends Object

Used to enable or disable a source component based on some asynchronously changing state.

Nested Class Summary

protected static class

EnablingAdapter.PropertyChangeEnabler Used by getPropChangeEnabler(java.lang.String, javax.swing.JComponent, boolean).

Field Summary

protected boolean	_invert
protected JComponent	_target

Constructor Summary

protected

EnablingAdapter(JComponent target, boolean invert) Creates an enabling adapter with the specified target component.

Method Summary

static PropertyChangeListener	getPropChangeEnabler(String property, JComponent target, boolean invert) Creates and returns an enabler that listens for changes in the specified property (which must be a Boolean valued property) and updates the target's enabled state accordingly.
protected void	stateChanged(boolean newState) Called by the appropriate derived adapter to adjust the target's enabled state.

Methods inherited from class java.lang.Object

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

Field Detail

_target

protected JComponent _target

_invert

protected boolean _invert

Constructor Detail

EnablingAdapter

protected EnablingAdapter(JComponent target,
                          boolean invert)

Creates an enabling adapter with the specified target component.

Parameters:

invert - if true, the target component's enabled state is set to the inverse of the monitored state.

Method Detail

getPropChangeEnabler

public static PropertyChangeListener getPropChangeEnabler(String property,
                                                          JComponent target,
                                                          boolean invert)

Creates and returns an enabler that listens for changes in the specified property (which must be a Boolean valued property) and updates the target's enabled state accordingly.

stateChanged

protected void stateChanged(boolean newState)

Called by the appropriate derived adapter to adjust the target's enabled state.