001 package org.apache.myfaces.tobago.component; 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; 022 023 import javax.faces.context.FacesContext; 024 import javax.faces.el.ValueBinding; 025 026 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_IMAGE; 027 028 public class UISelectItem extends javax.faces.component.UISelectItem implements SupportsMarkup { 029 030 private static final Log LOG = LogFactory.getLog(UISelectItem.class); 031 032 public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.SelectItem"; 033 034 private String itemImage; 035 private String[] markup; 036 037 private boolean itemValueLiteral; 038 039 @Override 040 public void setItemValue(Object itemValue) { 041 if (itemValue instanceof String) { 042 itemValueLiteral = true; 043 } else if (itemValue == null) { 044 // ignore 045 } else { 046 LOG.warn("Unexpected type of literal for attribute 'itemValue': " 047 + "type=" + itemValue.getClass().getName() + " value='" + itemValue + "'."); 048 } 049 super.setItemValue(itemValue); 050 } 051 052 @Override 053 public Object getItemValue() { 054 Object itemValue = super.getItemValue(); 055 if (itemValueLiteral) { 056 // this is to make it possible to use values directly in the page. 057 itemValue = ComponentUtil.getConvertedValue( 058 FacesContext.getCurrentInstance(), (javax.faces.component.UIInput) getParent(), (String) itemValue); 059 } 060 return itemValue; 061 } 062 063 public void restoreState(FacesContext context, Object state) { 064 Object[] values = (Object[]) state; 065 super.restoreState(context, values[0]); 066 itemImage = (String) values[1]; 067 markup = (String[]) values[2]; 068 itemValueLiteral = (Boolean) values[3]; 069 } 070 071 public Object saveState(FacesContext context) { 072 Object[] values = new Object[4]; 073 values[0] = super.saveState(context); 074 values[1] = itemImage; 075 values[2] = markup; 076 values[3] = itemValueLiteral; 077 return values; 078 } 079 080 public String[] getMarkup() { 081 if (markup != null) { 082 return markup; 083 } 084 return ComponentUtil.getMarkupBinding(getFacesContext(), this); 085 } 086 087 public void setMarkup(String[] markup) { 088 this.markup = markup; 089 } 090 091 public void setImage(String image) { 092 setItemImage(image); 093 } 094 095 public String getItemImage() { 096 if (itemImage != null) { 097 return itemImage; 098 } 099 100 ValueBinding vb = getValueBinding(ATTR_IMAGE); 101 if (vb != null) { 102 return ((String) vb.getValue(getFacesContext())); 103 } else { 104 return null; 105 } 106 } 107 108 public void setItemImage(String itemImage) { 109 this.itemImage = itemImage; 110 } 111 112 }