workbench/internal/jcr/parts/GenericNodeEditorInput.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.ui.workbench.internal.jcr.parts;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.RepositoryException;
  20
  21 import org.argeo.eclipse.ui.EclipseUiException;
  22 import org.eclipse.jface.resource.ImageDescriptor;
  23 import org.eclipse.ui.IEditorInput;
  24 import org.eclipse.ui.IPersistableElement;
  25
  26 /** Editor input for {@link Node} editors */
  27 public class GenericNodeEditorInput implements IEditorInput {
  28         private final Node currentNode;
  29
  30         // Caches key properties at creation time to avoid Exception at recovering
  31         // time
  32         // when the session has been closed
  33         private String path;
  34         private String uid;
  35         private String name;
  36
  37         public GenericNodeEditorInput(Node currentNode) {
  38                 this.currentNode = currentNode;
  39                 try {
  40                         name = currentNode.getName();
  41                         uid = currentNode.getIdentifier();
  42                         path = currentNode.getPath();
  43                 } catch (RepositoryException re) {
  44                         throw new EclipseUiException("unexpected error while getting node key values at creation time", re);
  45                 }
  46         }
  47
  48         public Node getCurrentNode() {
  49                 return currentNode;
  50         }
  51
  52         @SuppressWarnings("unchecked")
  53         public Object getAdapter(@SuppressWarnings("rawtypes") Class adapter) {
  54                 return null;
  55         }
  56
  57         public boolean exists() {
  58                 return true;
  59         }
  60
  61         public ImageDescriptor getImageDescriptor() {
  62                 return null;
  63         }
  64
  65         public String getName() {
  66                 return name;
  67         }
  68
  69         public String getUid() {
  70                 return uid;
  71         }
  72
  73         public String getToolTipText() {
  74                 return path;
  75         }
  76
  77         public String getPath() {
  78                 return path;
  79         }
  80
  81         public IPersistableElement getPersistable() {
  82                 return null;
  83         }
  84
  85         /**
  86          * equals method based on UID that is unique within a workspace and path of
  87          * the node, thus 2 shared node that have same UID as defined in the spec
  88          * but 2 different paths will open two distinct editors.
  89          *
  90          * TODO enhance this method to support multi repository and multi workspace
  91          * environments
  92          */
  93         public boolean equals(Object obj) {
  94                 if (this == obj)
  95                         return true;
  96                 if (obj == null)
  97                         return false;
  98                 if (getClass() != obj.getClass())
  99                         return false;
 100
 101                 GenericNodeEditorInput other = (GenericNodeEditorInput) obj;
 102                 if (!getUid().equals(other.getUid()))
 103                         return false;
 104                 if (!getPath().equals(other.getPath()))
 105                         return false;
 106                 return true;
 107         }
 108 }