org.argeo.cms.ui/src/org/argeo/cms/ui/jcr/NodeLabelProvider.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.jcr;
  17
  18 import javax.jcr.NamespaceException;
  19 import javax.jcr.Node;
  20 import javax.jcr.RepositoryException;
  21 import javax.jcr.nodetype.NodeType;
  22
  23 import org.apache.commons.logging.Log;
  24 import org.apache.commons.logging.LogFactory;
  25 import org.argeo.cms.ui.jcr.model.RemoteRepositoryElem;
  26 import org.argeo.cms.ui.jcr.model.RepositoriesElem;
  27 import org.argeo.cms.ui.jcr.model.RepositoryElem;
  28 import org.argeo.cms.ui.jcr.model.SingleJcrNodeElem;
  29 import org.argeo.cms.ui.jcr.model.WorkspaceElem;
  30 import org.argeo.eclipse.ui.EclipseUiException;
  31 import org.argeo.naming.LdapAttrs;
  32 import org.argeo.node.NodeTypes;
  33 import org.eclipse.jface.viewers.ColumnLabelProvider;
  34 import org.eclipse.swt.graphics.Image;
  35
  36 /** Provides reasonable defaults for know JCR types. */
  37 public class NodeLabelProvider extends ColumnLabelProvider {
  38         private static final long serialVersionUID = -3662051696443321843L;
  39
  40         private final static Log log = LogFactory.getLog(NodeLabelProvider.class);
  41
  42         public String getText(Object element) {
  43                 try {
  44                         if (element instanceof SingleJcrNodeElem) {
  45                                 SingleJcrNodeElem sjn = (SingleJcrNodeElem) element;
  46                                 return getText(sjn.getNode());
  47                         } else if (element instanceof Node) {
  48                                 return getText((Node) element);
  49                         } else
  50                                 return super.getText(element);
  51                 } catch (RepositoryException e) {
  52                         throw new EclipseUiException("Unexpected JCR error while getting node name.");
  53                 }
  54         }
  55
  56         protected String getText(Node node) throws RepositoryException {
  57                 String label = node.getName();
  58                 StringBuffer mixins = new StringBuffer("");
  59                 for (NodeType type : node.getMixinNodeTypes())
  60                         mixins.append(' ').append(type.getName());
  61
  62                 return label + " [" + node.getPrimaryNodeType().getName() + mixins + "]";
  63         }
  64
  65         @Override
  66         public Image getImage(Object element) {
  67                 if (element instanceof RemoteRepositoryElem) {
  68                         if (((RemoteRepositoryElem) element).isConnected())
  69                                 return JcrImages.REMOTE_CONNECTED;
  70                         else
  71                                 return JcrImages.REMOTE_DISCONNECTED;
  72                 } else if (element instanceof RepositoryElem) {
  73                         if (((RepositoryElem) element).isConnected())
  74                                 return JcrImages.REPOSITORY_CONNECTED;
  75                         else
  76                                 return JcrImages.REPOSITORY_DISCONNECTED;
  77                 } else if (element instanceof WorkspaceElem) {
  78                         if (((WorkspaceElem) element).isConnected())
  79                                 return JcrImages.WORKSPACE_CONNECTED;
  80                         else
  81                                 return JcrImages.WORKSPACE_DISCONNECTED;
  82                 } else if (element instanceof RepositoriesElem) {
  83                         return JcrImages.REPOSITORIES;
  84                 } else if (element instanceof SingleJcrNodeElem) {
  85                         Node nodeElem = ((SingleJcrNodeElem) element).getNode();
  86                         return getImage(nodeElem);
  87
  88                         // if (element instanceof Node) {
  89                         // return getImage((Node) element);
  90                         // } else if (element instanceof WrappedNode) {
  91                         // return getImage(((WrappedNode) element).getNode());
  92                         // } else if (element instanceof NodesWrapper) {
  93                         // return getImage(((NodesWrapper) element).getNode());
  94                         // }
  95                 }
  96                 // try {
  97                 // return super.getImage();
  98                 // } catch (RepositoryException e) {
  99                 // return null;
 100                 // }
 101                 return super.getImage(element);
 102         }
 103
 104         protected Image getImage(Node node) {
 105                 try {
 106                         if (node.getPrimaryNodeType().isNodeType(NodeType.NT_FILE))
 107                                 return JcrImages.FILE;
 108                         else if (node.getPrimaryNodeType().isNodeType(NodeType.NT_FOLDER))
 109                                 return JcrImages.FOLDER;
 110                         else if (node.getPrimaryNodeType().isNodeType(NodeType.NT_RESOURCE))
 111                                 return JcrImages.BINARY;
 112                         try {
 113                                 // optimizes
 114                                 if (node.hasProperty(LdapAttrs.uid.property()) && node.isNodeType(NodeTypes.NODE_USER_HOME))
 115                                         return JcrImages.HOME;
 116                         } catch (NamespaceException e) {
 117                                 // node namespace is not registered in this repo
 118                         }
 119                         return JcrImages.NODE;
 120                 } catch (RepositoryException e) {
 121                         log.warn("Error while retrieving type for " + node + " in order to display corresponding image");
 122                         e.printStackTrace();
 123                         return null;
 124                 }
 125         }
 126 }