Package org.apache.groovy.swing.binding

Class ClosureTriggerBinding

java.lang.Object

org.apache.groovy.swing.binding.ClosureTriggerBinding

All Implemented Interfaces:

SourceBinding, TriggerBinding

public class ClosureTriggerBinding
extends Object
implements TriggerBinding, SourceBinding

Creates bindings that track the property path referenced by a closure expression.

Constructor Summary

Constructors

Constructor	Description
ClosureTriggerBinding(Map<String,TriggerBinding> syntheticBindings)	Creates a closure trigger binding with the supplied synthetic trigger registry.

Method Summary

Modifier and Type	Method	Description
FullBinding	createBinding(SourceBinding source, TargetBinding target)	Creates a property-path-aware binding by snooping the closure's property accesses.
Closure	getClosure()	Returns the closure evaluated by this trigger binding.
Object	getSourceValue()	Evaluates the configured closure to obtain the current source value.
void	setClosure(Closure closure)	Replaces the closure evaluated by this trigger binding.

Methods inherited from class java.lang.Object

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

Constructor Details

ClosureTriggerBinding

public ClosureTriggerBinding(Map<String,TriggerBinding> syntheticBindings)

Creates a closure trigger binding with the supplied synthetic trigger registry.

Parameters:

syntheticBindings - synthetic trigger bindings keyed by class and property

Method Details

getClosure

public Closure getClosure()

Returns the closure evaluated by this trigger binding.

Returns:

the source closure

setClosure

public void setClosure(Closure closure)

Replaces the closure evaluated by this trigger binding.

Parameters:

closure - the new source closure

createBinding

public FullBinding createBinding(SourceBinding source,
 TargetBinding target)

Creates a property-path-aware binding by snooping the closure's property accesses.

Specified by:

createBinding in interface TriggerBinding

Parameters:

source - the source binding, which must be this trigger binding

target - the target binding

Returns:

a property-path-aware full binding

getSourceValue

public Object getSourceValue()

Evaluates the configured closure to obtain the current source value.

Specified by:

getSourceValue in interface SourceBinding

Returns:

the current source value