Class: ChangeModel

var beforeChanged = function( value , model )
{
    trace( "before:" + value + " current:" + model.current ) ;
}

var changed = function( value , model )
{
    trace( "change:" + value + " current:" + model.current ) ;
}

var cleared = function( model )
{
    trace( "clear current:" + model.current ) ;
}

var model = new ChangeModel() ;

model.beforeChanged.connect( beforeChanged ) ;
model.changed.connect( changed ) ;
model.cleared.connect( cleared ) ;

model.current = "hello" ;
model.current = "world" ;
model.current = null ;

Members

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<constant> beforeChanged :system.signals.Signal

Emits a message before the current object in the model is changed.

Type:

• system.signals.Signal

---

<constant> changed :system.signals.Signal

Emits a message when the current object in the model is changed.

Type:

• system.signals.Signal

---

<constant> cleared :system.signals.Signal

Emits a message when the current object in the model is cleared.

Type:

• system.signals.Signal

---

current

Determinates the current selected value in this model.

---

security :boolean

This property defined if the current property can accept the same object in argument as the current one.

Type:

• boolean

Default Value:

• true

Methods

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clear()

Clear the model.

---

notifyBeforeChange()

Notify a signal before the specified value is changed.

---

notifyChange()

Notify a signal when the model is changed.

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notifyClear()

Notify a signal when the model is cleared.