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 }