001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.component; 021 022 import org.apache.commons.logging.Log; 023 import org.apache.commons.logging.LogFactory; 024 025 import javax.faces.context.FacesContext; 026 import javax.faces.el.ValueBinding; 027 028 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_IMAGE; 029 030 public class UISelectItem extends javax.faces.component.UISelectItem implements SupportsMarkup { 031 032 private static final Log LOG = LogFactory.getLog(UISelectItem.class); 033 034 public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.SelectItem"; 035 036 private String itemImage; 037 private String[] markup; 038 039 private boolean itemValueLiteral; 040 041 @Override 042 public void setItemValue(Object itemValue) { 043 if (itemValue instanceof String) { 044 itemValueLiteral = true; 045 } else if (itemValue == null) { 046 // ignore 047 } else { 048 LOG.warn("Unexpected type of literal for attribute 'itemValue': " 049 + "type=" + itemValue.getClass().getName() + " value='" + itemValue + "'."); 050 } 051 super.setItemValue(itemValue); 052 } 053 054 @Override 055 public Object getItemValue() { 056 Object itemValue = super.getItemValue(); 057 if (itemValueLiteral) { 058 // this is to make it possible to use values directly in the page. 059 itemValue = ComponentUtil.getConvertedValue( 060 FacesContext.getCurrentInstance(), (javax.faces.component.UIInput) getParent(), (String) itemValue); 061 } 062 return itemValue; 063 } 064 065 public void restoreState(FacesContext context, Object state) { 066 Object[] values = (Object[]) state; 067 super.restoreState(context, values[0]); 068 itemImage = (String) values[1]; 069 markup = (String[]) values[2]; 070 itemValueLiteral = (Boolean) values[3]; 071 } 072 073 public Object saveState(FacesContext context) { 074 Object[] values = new Object[4]; 075 values[0] = super.saveState(context); 076 values[1] = itemImage; 077 values[2] = markup; 078 values[3] = itemValueLiteral; 079 return values; 080 } 081 082 public String[] getMarkup() { 083 if (markup != null) { 084 return markup; 085 } 086 return ComponentUtil.getMarkupBinding(getFacesContext(), this); 087 } 088 089 public void setMarkup(String[] markup) { 090 this.markup = markup; 091 } 092 093 public void setImage(String image) { 094 setItemImage(image); 095 } 096 097 public String getItemImage() { 098 if (itemImage != null) { 099 return itemImage; 100 } 101 102 ValueBinding vb = getValueBinding(ATTR_IMAGE); 103 if (vb != null) { 104 return ((String) vb.getValue(getFacesContext())); 105 } else { 106 return null; 107 } 108 } 109 110 public void setItemImage(String itemImage) { 111 this.itemImage = itemImage; 112 } 113 114 }