001 package org.apache.myfaces.tobago.event; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.myfaces.tobago.internal.util.FindComponentUtils; 021 import org.slf4j.Logger; 022 import org.slf4j.LoggerFactory; 023 024 import javax.faces.component.StateHolder; 025 import javax.faces.component.UIComponent; 026 import javax.faces.component.UIComponentBase; 027 import javax.faces.context.FacesContext; 028 import javax.faces.el.ValueBinding; 029 import javax.faces.event.ActionEvent; 030 031 public class ValueBindingPopupActionListener extends AbstractPopupActionListener implements StateHolder { 032 033 private static final Logger LOG = LoggerFactory.getLogger(ValueBindingPopupActionListener.class); 034 035 private ValueBinding popupIdBinding; 036 037 public ValueBindingPopupActionListener(Object binding) { 038 popupIdBinding = (ValueBinding) binding; 039 } 040 041 @Override 042 protected UIComponent getPopup(ActionEvent actionEvent) { 043 String id = (String) popupIdBinding.getValue(FacesContext.getCurrentInstance()); 044 UIComponent popup = FindComponentUtils.findComponent(actionEvent.getComponent(), id); 045 if (popup == null) { 046 LOG.error("Found no popup for \"" 047 + popupIdBinding.getExpressionString() + "\" := \"" 048 + id + "\"! Search base componentId : " 049 + actionEvent.getComponent().getClientId(FacesContext.getCurrentInstance())); 050 } 051 return popup; 052 } 053 054 public boolean isTransient() { 055 return false; 056 } 057 058 public void restoreState(FacesContext context, Object state) { 059 Object[] values = (Object[]) state; 060 popupIdBinding = (ValueBinding) UIComponentBase.restoreAttachedState(context, values[0]); 061 } 062 063 public Object saveState(FacesContext context) { 064 Object[] values = new Object[1]; 065 values[0] = UIComponentBase.saveAttachedState(context, popupIdBinding); 066 return values; 067 } 068 069 070 public void setTransient(boolean newTransientValue) { 071 // ignore 072 } 073 }