org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/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 when the session has been closed
  32         private String path;
  33         private String uid;
  34         private String name;
  35
  36         public GenericNodeEditorInput(Node currentNode) {
  37                 this.currentNode = currentNode;
  38                 try {
  39                         name = currentNode.getName();
  40                         uid = currentNode.getIdentifier();
  41                         path = currentNode.getPath();
  42                 } catch (RepositoryException re) {
  43                         throw new EclipseUiException("Cannot cache the key properties for " + currentNode, re);
  44                 }
  45         }
  46
  47         public Node getCurrentNode() {
  48                 return currentNode;
  49         }
  50
  51         @SuppressWarnings("unchecked")
  52         public Object getAdapter(@SuppressWarnings("rawtypes") Class adapter) {
  53                 return null;
  54         }
  55
  56         public boolean exists() {
  57                 return true;
  58         }
  59
  60         public ImageDescriptor getImageDescriptor() {
  61                 return null;
  62         }
  63
  64         public String getName() {
  65                 return name;
  66         }
  67
  68         public String getUid() {
  69                 return uid;
  70         }
  71
  72         public String getToolTipText() {
  73                 return path;
  74         }
  75
  76         public String getPath() {
  77                 return path;
  78         }
  79
  80         public IPersistableElement getPersistable() {
  81                 return null;
  82         }
  83
  84         /**
  85          * Equals method based on UID that is unique within a workspace and path of
  86          * the node, thus 2 shared node that have same UID as defined in the spec
  87          * but 2 different paths will open two distinct editors.
  88          *
  89          * TODO enhance this method to support multi repository and multi workspace
  90          * environments
  91          */
  92         public boolean equals(Object obj) {
  93                 if (this == obj)
  94                         return true;
  95                 if (obj == null)
  96                         return false;
  97                 if (getClass() != obj.getClass())
  98                         return false;
  99
 100                 GenericNodeEditorInput other = (GenericNodeEditorInput) obj;
 101                 if (!getUid().equals(other.getUid()))
 102                         return false;
 103                 if (!getPath().equals(other.getPath()))
 104                         return false;
 105                 return true;
 106         }
 107 }