001 package org.apache.myfaces.tobago.renderkit; 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.commons.logging.Log; 021 import org.apache.commons.logging.LogFactory; 022 import org.apache.myfaces.tobago.component.ComponentUtil; 023 import org.apache.myfaces.tobago.component.UILayout; 024 025 import javax.faces.component.UIComponent; 026 import javax.faces.component.ValueHolder; 027 import javax.faces.context.FacesContext; 028 import javax.faces.convert.ConverterException; 029 import javax.faces.convert.Converter; 030 import java.io.IOException; 031 032 public class RenderUtil { 033 034 private static final Log LOG = LogFactory.getLog(RenderUtil.class); 035 036 public static final String COMPONENT_IN_REQUEST = "org.apache.myfaces.tobago.component"; 037 038 public static boolean contains(Object[] list, Object value) { 039 if (list == null) { 040 return false; 041 } 042 for (Object aList : list) { 043 if (aList != null && aList.equals(value)) { 044 return true; 045 } 046 } 047 return false; 048 } 049 050 public static void encodeChildren(FacesContext facesContext, 051 UIComponent panel) 052 throws IOException { 053 // UIComponent layout = panel.getFacet("layout"); 054 UILayout layout = UILayout.getLayout(panel); 055 if (layout != null) { 056 layout.encodeChildrenOfComponent(facesContext, panel); 057 } else { 058 for (Object o : panel.getChildren()) { 059 UIComponent child = (UIComponent) o; 060 encode(facesContext, child); 061 } 062 } 063 } 064 065 public static void encode(FacesContext facesContext, UIComponent component) throws IOException { 066 if (component.isRendered()) { 067 if (LOG.isDebugEnabled()) { 068 LOG.debug("rendering " + component.getRendererType() + " " + component); 069 } 070 071 LayoutRenderer layoutRenderer = (LayoutRenderer) 072 ComponentUtil.getRenderer(facesContext, UILayout.getLayout(component)); 073 layoutRenderer.prepareRender(facesContext, component); 074 075 component.encodeBegin(facesContext); 076 if (component.getRendersChildren()) { 077 component.encodeChildren(facesContext); 078 } else { 079 for (Object o : component.getChildren()) { 080 UIComponent kid = (UIComponent) o; 081 encode(facesContext, kid); 082 } 083 } 084 component.encodeEnd(facesContext); 085 } 086 } 087 088 089 090 public static String addMenuCheckToggle(String clientId, String onClick) { 091 if (onClick != null) { 092 onClick = " ; " + onClick; 093 } else { 094 onClick = ""; 095 } 096 097 onClick = "menuCheckToggle('" + clientId + "')" + onClick; 098 099 return onClick; 100 } 101 102 public static String getFormattedValue( 103 FacesContext facesContext, UIComponent component){ 104 Object value = null; 105 if (component instanceof ValueHolder) { 106 value = ((ValueHolder) component).getLocalValue(); 107 if (value == null) { 108 value = ((ValueHolder) component).getValue(); 109 } 110 } 111 return getFormattedValue(facesContext, component, value); 112 } 113 114 public static String getFormattedValue( 115 FacesContext context, UIComponent component, Object currentValue) 116 throws ConverterException { 117 118 if (currentValue == null) { 119 return ""; 120 } 121 122 if (!(component instanceof ValueHolder)) { 123 return currentValue.toString(); 124 } 125 126 Converter converter = ((ValueHolder) component).getConverter(); 127 128 if (converter == null) { 129 if (currentValue instanceof String) { 130 return (String) currentValue; 131 } 132 Class converterType = currentValue.getClass(); 133 converter = context.getApplication().createConverter(converterType); 134 } 135 136 if (converter == null) { 137 return currentValue.toString(); 138 } else { 139 return converter.getAsString(context, component, currentValue); 140 } 141 } 142 }