@JSFJspTag(name="f:valueChangeListener", bodyContent="empty") public class ValueChangeListenerTag extends GenericListenerTag<EditableValueHolder,ValueChangeListener>
Whenever the form containing the parent UIComponent is submitted, an instance of the specified type is created. If the submitted value from the component is different from the component's current value then a ValueChangeEvent is queued. When the ValueChangeEvent is processed (at end of the validate phase for non-immediate components, or at end of the apply-request-values phase for immediate components) the object's processValueChange method is invoked.
Unless otherwise specified, all attributes accept static values or EL expressions.
Constructor and Description |
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ValueChangeListenerTag() |
Modifier and Type | Method and Description |
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protected void |
addListener(EditableValueHolder editableValueHolder,
ValueChangeListener valueChangeListener) |
protected ValueChangeListener |
createDelegateListener(javax.el.ValueExpression type,
javax.el.ValueExpression binding) |
void |
setBinding(javax.el.ValueExpression binding)
Value binding expression that evaluates to an implementation of the javax.faces.event.ValueChangeListener
interface.
|
void |
setType(javax.el.ValueExpression type)
The name of a Java class that implements ValueChangeListener.
|
createListener, doStartTag, release
protected void addListener(EditableValueHolder editableValueHolder, ValueChangeListener valueChangeListener)
addListener
in class GenericListenerTag<EditableValueHolder,ValueChangeListener>
protected ValueChangeListener createDelegateListener(javax.el.ValueExpression type, javax.el.ValueExpression binding)
createDelegateListener
in class GenericListenerTag<EditableValueHolder,ValueChangeListener>
@JSFJspAttribute(className="javax.el.ValueExpression", deferredValueType="java.lang.String") public void setType(javax.el.ValueExpression type)
setType
in class GenericListenerTag<EditableValueHolder,ValueChangeListener>
@JSFJspAttribute(className="javax.el.ValueExpression", deferredValueType="javax.faces.event.ValueChangeListener") public void setBinding(javax.el.ValueExpression binding)
setBinding
in class GenericListenerTag<EditableValueHolder,ValueChangeListener>
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