001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Anahide Tchertchian 018 */ 019package org.nuxeo.ecm.platform.ui.web.component.holder; 020 021import java.io.IOException; 022 023import javax.faces.component.UIComponent; 024import javax.faces.context.FacesContext; 025import javax.faces.context.ResponseWriter; 026import javax.faces.convert.ConverterException; 027 028import com.sun.faces.renderkit.RenderKitUtils; 029import com.sun.faces.renderkit.html_basic.HiddenRenderer; 030 031/** 032 * Extend hidden renderer to provide client behaviours (onchange events management). 033 * 034 * @since 6.0 035 */ 036public class ValueHolderRenderer extends HiddenRenderer { 037 038 @Override 039 public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) 040 throws ConverterException { 041 // make sure submitted value is converted to String first 042 String submitted = null; 043 if (submittedValue != null) { 044 submitted = submittedValue.toString(); 045 } 046 return super.getConvertedValue(context, component, submitted); 047 } 048 049 @Override 050 protected void getEndTextToRender(FacesContext context, UIComponent component, String currentValue) 051 throws IOException { 052 053 ResponseWriter writer = context.getResponseWriter(); 054 assert (writer != null); 055 056 writer.startElement("input", component); 057 writeIdAttributeIfNecessary(context, writer, component); 058 writer.writeAttribute("type", "hidden", "type"); 059 String clientId = component.getClientId(context); 060 writer.writeAttribute("name", clientId, "clientId"); 061 062 // render default text specified 063 if (currentValue != null) { 064 writer.writeAttribute("value", currentValue, "value"); 065 } 066 067 // Nuxeo patch 068 RenderKitUtils.renderOnchange(context, component, false); 069 070 writer.endElement("input"); 071 072 } 073 074}