Package groovy.swing.model

Class ValueHolder

java.lang.Object

groovy.swing.model.ValueHolder

All Implemented Interfaces:

ValueModel

public class ValueHolder
extends Object
implements ValueModel

A mutable ValueModel implementation that stores a local value and optionally emits change events.

Constructor Summary

Constructors

Constructor	Description
ValueHolder()	Creates a holder with Object as its declared type.
ValueHolder(Class type)	Creates a holder with the supplied declared type.
ValueHolder(Object value)	Creates a holder initialized with the supplied value.

Method Summary

Modifier and Type	Method	Description
void	addPropertyChangeListener(PropertyChangeListener listener)	Add a PropertyChangeListener to the listener list.
Class	getType()	Returns the declared value type for this holder.
Object	getValue()	Returns the current stored value.
boolean	isEditable()	Indicates whether callers should treat this holder as writable.
void	removePropertyChangeListener(PropertyChangeListener listener)	Removes a PropertyChangeListener from the listener list.
void	setEditable(boolean editable)	Controls whether callers should treat this holder as writable.
void	setValue(Object value)	Updates the current value and notifies registered listeners of the change.

Methods inherited from class java.lang.Object

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

Constructor Details

ValueHolder

public ValueHolder()

Creates a holder with Object as its declared type.

ValueHolder

public ValueHolder(Class type)

Creates a holder with the supplied declared type.

Parameters:

type - the declared value type

ValueHolder

public ValueHolder(Object value)

Creates a holder initialized with the supplied value.

Parameters:

value - the initial value

Method Details

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

Add a PropertyChangeListener to the listener list.

Parameters:

listener - The listener to add.

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener listener)

Removes a PropertyChangeListener from the listener list.

Parameters:

listener - The listener to remove.

getValue

public Object getValue()

Returns the current stored value.

Specified by:

getValue in interface ValueModel

Returns:

the current value

setValue

public void setValue(Object value)

Updates the current value and notifies registered listeners of the change.

Specified by:

setValue in interface ValueModel

Parameters:

value - the new value

getType

public Class getType()

Returns the declared value type for this holder.

Specified by:

getType in interface ValueModel

Returns:

the holder type

isEditable

public boolean isEditable()

Indicates whether callers should treat this holder as writable.

Specified by:

isEditable in interface ValueModel

Returns:

true when the holder is editable

setEditable

public void setEditable(boolean editable)

Controls whether callers should treat this holder as writable.

Parameters:

editable - true to mark the holder as editable