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.beanutils.PropertyUtils; 023 import org.apache.commons.logging.Log; 024 import org.apache.commons.logging.LogFactory; 025 import org.apache.myfaces.tobago.TobagoConstants; 026 027 import javax.faces.component.UIComponent; 028 import javax.faces.context.FacesContext; 029 import javax.faces.el.ValueBinding; 030 import javax.swing.tree.DefaultMutableTreeNode; 031 import javax.swing.tree.TreeNode; 032 import java.util.Map; 033 034 @Deprecated 035 public class UITreeOldNode extends javax.faces.component.UIInput { 036 037 private static final Log LOG = LogFactory.getLog(UITreeOldNode.class); 038 039 private static final String SUB_REFERENCE_KEY = "subReferenceKey"; 040 041 protected UITreeOldNode(UIComponent parent, int index) { 042 super(); 043 if (parent instanceof UITreeOldNode) { 044 String parentSubReference = ((UITreeOldNode) parent).getSubReference(); 045 if (parentSubReference == null) { 046 getAttributes().put(SUB_REFERENCE_KEY, "childAt[" + index + "]"); 047 } else { 048 getAttributes().put(SUB_REFERENCE_KEY, parentSubReference + ".childAt[" + index + "]"); 049 } 050 } 051 setRendererType(TobagoConstants.RENDERER_TYPE_TREE_OLD_NODE); 052 parent.getChildren().add(this); 053 initId(); 054 initName(); 055 initDisabled(); 056 initTip(); 057 } 058 059 public UITreeOldNode() { 060 } 061 062 // ///////////////////////////////////////////// code 063 064 public boolean getRendersChildren() { 065 return true; 066 } 067 068 public String getSubReference() { 069 return (String) getAttributes().get(SUB_REFERENCE_KEY); 070 } 071 072 public DefaultMutableTreeNode getTreeNode() { 073 return (DefaultMutableTreeNode) getValue(); 074 } 075 076 public Object getValue() { 077 TreeNode value = null; 078 UITreeOld root = findTreeRoot(); 079 String subReference = getSubReference(); 080 if (LOG.isDebugEnabled()) { 081 LOG.debug("root = '" + root + "'"); 082 LOG.debug("subReference = '" + subReference + "'"); 083 } 084 TreeNode rootNode = (TreeNode) root.getValue(); 085 086 if (LOG.isDebugEnabled()) { 087 LOG.debug("rootNode = '" + rootNode + "'"); 088 } 089 if (rootNode != null) { 090 try { 091 if (subReference == null) { 092 value = rootNode; 093 } else { 094 value = (TreeNode) PropertyUtils.getProperty(rootNode, subReference); 095 } 096 if (LOG.isDebugEnabled()) { 097 LOG.debug("treeNode = '" + value + "'"); 098 } 099 } catch (Throwable e) { 100 LOG.error("subReference = '" + subReference + "'", e); 101 } 102 } 103 return value; 104 } 105 106 protected void createTreeNodes() { 107 108 TreeNode node = (TreeNode) getValue(); 109 if (node != null) { 110 int childCount = node.getChildCount(); 111 for (int i = 0; i < childCount; i++) { 112 UITreeOldNode component = new UITreeOldNode(this, i); 113 component.createTreeNodes(); 114 } 115 } 116 } 117 118 private void initName() { 119 TreeNode treeNode = (TreeNode) getValue(); 120 if (treeNode != null) { 121 Object name = getReference(treeNode, TobagoConstants.ATTR_NAME_REFERENCE); 122 if (name == null) { 123 name = toString(); 124 } 125 getAttributes().put(TobagoConstants.ATTR_NAME, name.toString()); 126 } 127 } 128 129 private void initTip() { 130 TreeNode treeNode = (TreeNode) getValue(); 131 if (treeNode != null) { 132 Object tip = getReference(treeNode, TobagoConstants.ATTR_TIP_REFERENCE); 133 if (tip != null) { 134 getAttributes().put(TobagoConstants.ATTR_TIP, tip.toString()); 135 } 136 } 137 } 138 139 private void initDisabled() { 140 TreeNode treeNode = (TreeNode) getValue(); 141 if (treeNode != null) { 142 Object disabled = getReference(treeNode, 143 TobagoConstants.ATTR_DISABLED_REFERENCE); 144 if (!(disabled instanceof Boolean)) { 145 if (disabled instanceof String) { 146 disabled = Boolean.valueOf((String) disabled); 147 } else { 148 disabled = false; 149 } 150 } 151 getAttributes().put(TobagoConstants.ATTR_DISABLED, disabled); 152 } 153 } 154 155 private void initId() { 156 TreeNode treeNode = (TreeNode) getValue(); 157 if (treeNode != null) { 158 Object id = getReference(treeNode, TobagoConstants.ATTR_ID_REFERENCE); 159 if (!(id instanceof String)) { 160 id = "node" + Integer.toString(System.identityHashCode(treeNode)); 161 } 162 setId((String) id); 163 } 164 } 165 166 private Object getReference(TreeNode treeNode, String key) { 167 Object value = null; 168 String reference = null; 169 try { 170 FacesContext facesContext = FacesContext.getCurrentInstance(); 171 UITreeOld root = findTreeRoot(); 172 ValueBinding binding = root.getValueBinding(key); 173 if (binding == null) { 174 reference = (String) root.getAttributes().get(key); 175 if (reference == null) { 176 return null; 177 } 178 String ref = "#{tobagoTreeNode." + reference + "}"; 179 binding = facesContext.getApplication().createValueBinding(ref); 180 } else { 181 reference = binding.getExpressionString(); 182 } 183 Map requestMap = facesContext.getExternalContext().getRequestMap(); 184 //noinspection unchecked 185 requestMap.put("tobagoTreeNode", treeNode); 186 value = binding.getValue(facesContext); 187 requestMap.remove("tobagoTreeNode"); 188 } catch (Exception e) { 189 LOG.warn( 190 "Can't find " + key + " over ref='" + reference 191 + "' treeNode='" + treeNode + "! " + treeNode.getClass().getName(), e); 192 } 193 return value; 194 } 195 196 public UITreeOld findTreeRoot() { 197 UIComponent ancestor = getParent(); 198 while (ancestor != null && ancestor instanceof UITreeOldNode) { 199 ancestor = ancestor.getParent(); 200 } 201 if (ancestor instanceof UITreeOld) { 202 return (UITreeOld) ancestor; 203 } 204 return null; 205 } 206 207 public void updateModel(FacesContext facesContext) { 208 // nothig to update for treeNode's 209 } 210 211 }