org.primefaces.component.resetinput.ResetInputActionListener Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.resetinput;
import java.io.Serializable;
import java.util.List;
import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.faces.component.UIComponent;
import javax.faces.component.visit.VisitContext;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.util.ComponentUtils;
import org.primefaces.visit.ResetInputVisitCallback;
public class ResetInputActionListener implements ActionListener, Serializable {
private ValueExpression target;
/**
* Don't remove - it's for serialization.
*/
public ResetInputActionListener() {
}
public ResetInputActionListener(ValueExpression target) {
this.target = target;
}
public void processAction(ActionEvent event) throws AbortProcessingException {
FacesContext context = FacesContext.getCurrentInstance();
ELContext elContext = context.getELContext();
VisitContext visitContext = VisitContext.createVisitContext(context, null, ComponentUtils.VISIT_HINTS_SKIP_UNRENDERED);
String expressions = (String) target.getValue(elContext);
UIComponent source = event.getComponent();
List components = SearchExpressionFacade.resolveComponents(context, source, expressions);
for (UIComponent component : components) {
component.visitTree(visitContext, ResetInputVisitCallback.INSTANCE);
}
}
}