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.workbench.internal.jcr;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.RepositoryException;
  20 import javax.jcr.nodetype.NodeType;
  21
  22 import org.apache.commons.logging.Log;
  23 import org.apache.commons.logging.LogFactory;
  24 import org.argeo.cms.ui.workbench.internal.jcr.model.RemoteRepositoryElem;
  25 import org.argeo.cms.ui.workbench.internal.jcr.model.RepositoriesElem;
  26 import org.argeo.cms.ui.workbench.internal.jcr.model.RepositoryElem;
  27 import org.argeo.cms.ui.workbench.internal.jcr.model.SingleJcrNodeElem;
  28 import org.argeo.cms.ui.workbench.internal.jcr.model.WorkspaceElem;
  29 import org.argeo.cms.ui.workbench.jcr.JcrImages;
  30 import org.argeo.eclipse.ui.EclipseUiException;
  31 import org.argeo.node.NodeTypes;
  32 import org.eclipse.jface.viewers.ColumnLabelProvider;
  33 import org.eclipse.swt.graphics.Image;
  34
  35 /** Provides reasonable defaults for know JCR types. */
  36 public class NodeLabelProvider extends ColumnLabelProvider {
  37         private static final long serialVersionUID = -3662051696443321843L;
  38
  39         private final static Log log = LogFactory.getLog(NodeLabelProvider.class);
  40
  41         public String getText(Object element) {
  42                 try {
  43                         if (element instanceof SingleJcrNodeElem) {
  44                                 SingleJcrNodeElem sjn = (SingleJcrNodeElem) element;
  45                                 return getText(sjn.getNode());
  46                         } else if (element instanceof Node) {
  47                                 return getText((Node) element);
  48                         } else
  49                                 return super.getText(element);
  50                 } catch (RepositoryException e) {
  51                         throw new EclipseUiException(
  52                                         "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
  66         @Override
  67         public Image getImage(Object element) {
  68                 if (element instanceof RemoteRepositoryElem) {
  69                         if (((RemoteRepositoryElem) element).isConnected())
  70                                 return JcrImages.REMOTE_CONNECTED;
  71                         else
  72                                 return JcrImages.REMOTE_DISCONNECTED;
  73                 } else if (element instanceof RepositoryElem) {
  74                         if (((RepositoryElem) element).isConnected())
  75                                 return JcrImages.REPOSITORY_CONNECTED;
  76                         else
  77                                 return JcrImages.REPOSITORY_DISCONNECTED;
  78                 } else if (element instanceof WorkspaceElem) {
  79                         if (((WorkspaceElem) element).isConnected())
  80                                 return JcrImages.WORKSPACE_CONNECTED;
  81                         else
  82                                 return JcrImages.WORKSPACE_DISCONNECTED;
  83                 } else if (element instanceof RepositoriesElem) {
  84                         return JcrImages.REPOSITORIES;
  85                 } else if (element instanceof SingleJcrNodeElem) {
  86                         Node nodeElem = ((SingleJcrNodeElem) element).getNode();
  87                         return getImage(nodeElem);
  88
  89                         // if (element instanceof Node) {
  90                         // return getImage((Node) element);
  91                         // } else if (element instanceof WrappedNode) {
  92                         // return getImage(((WrappedNode) element).getNode());
  93                         // } else if (element instanceof NodesWrapper) {
  94                         // return getImage(((NodesWrapper) element).getNode());
  95                         // }
  96                 }
  97                 // try {
  98                 // return super.getImage();
  99                 // } catch (RepositoryException e) {
 100                 // return null;
 101                 // }
 102                 return super.getImage(element);
 103         }
 104
 105         protected Image getImage(Node node) {
 106                 try {
 107                         if (node.getPrimaryNodeType().isNodeType(NodeType.NT_FILE))
 108                                 return JcrImages.FILE;
 109                         else if (node.getPrimaryNodeType().isNodeType(NodeType.NT_FOLDER))
 110                                 return JcrImages.FOLDER;
 111                         else if (node.getPrimaryNodeType().isNodeType(NodeType.NT_RESOURCE))
 112                                 return JcrImages.BINARY;
 113                         else if (node.isNodeType(NodeTypes.NODE_USER_HOME))
 114                                 return JcrImages.HOME;
 115                         else
 116                                 return JcrImages.NODE;
 117                 } catch (RepositoryException e) {
 118                         log.warn("Error while retrieving type for " + node
 119                                         + " in order to display corresponding image");
 120                         e.printStackTrace();
 121                         return null;
 122                 }
 123         }
 124 }