org.argeo.eclipse.ui.workbench/src/org/argeo/eclipse/ui/workbench/jcr/internal/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.eclipse.ui.workbench.jcr.internal;
  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.ArgeoException;
  25 import org.argeo.eclipse.ui.workbench.jcr.JcrImages;
  26 import org.argeo.eclipse.ui.workbench.jcr.internal.model.RemoteRepositoryElem;
  27 import org.argeo.eclipse.ui.workbench.jcr.internal.model.RepositoriesElem;
  28 import org.argeo.eclipse.ui.workbench.jcr.internal.model.RepositoryElem;
  29 import org.argeo.eclipse.ui.workbench.jcr.internal.model.SingleJcrNodeElem;
  30 import org.argeo.eclipse.ui.workbench.jcr.internal.model.WorkspaceElem;
  31 import org.argeo.jcr.ArgeoTypes;
  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
  47                                 return super.getText(element);
  48                 } catch (RepositoryException e) {
  49                         throw new ArgeoException(
  50                                         "Unexpected JCR error while getting node name.");
  51                 }
  52         }
  53
  54         protected String getText(Node node) throws RepositoryException {
  55                 String label = node.getName();
  56                 StringBuffer mixins = new StringBuffer("");
  57                 for (NodeType type : node.getMixinNodeTypes())
  58                         mixins.append(' ').append(type.getName());
  59
  60                 return label + " [" + node.getPrimaryNodeType().getName() + mixins
  61                                 + "]";
  62         }
  63
  64         @Override
  65         public Image getImage(Object element) {
  66                 if (element instanceof RemoteRepositoryElem) {
  67                         if (((RemoteRepositoryElem) element).isConnected())
  68                                 return JcrImages.REMOTE_CONNECTED;
  69                         else
  70                                 return JcrImages.REMOTE_DISCONNECTED;
  71                 } else if (element instanceof RepositoryElem) {
  72                         if (((RepositoryElem) element).isConnected())
  73                                 return JcrImages.REPOSITORY_CONNECTED;
  74                         else
  75                                 return JcrImages.REPOSITORY_DISCONNECTED;
  76                 } else if (element instanceof WorkspaceElem) {
  77                         if (((WorkspaceElem) element).isConnected())
  78                                 return JcrImages.WORKSPACE_CONNECTED;
  79                         else
  80                                 return JcrImages.WORKSPACE_DISCONNECTED;
  81                 } else if (element instanceof RepositoriesElem) {
  82                         return JcrImages.REPOSITORIES;
  83                 } else if (element instanceof SingleJcrNodeElem) {
  84                         Node nodeElem = ((SingleJcrNodeElem) element).getNode();
  85                         return getImage(nodeElem);
  86
  87                         // if (element instanceof Node) {
  88                         // return getImage((Node) element);
  89                         // } else if (element instanceof WrappedNode) {
  90                         // return getImage(((WrappedNode) element).getNode());
  91                         // } else if (element instanceof NodesWrapper) {
  92                         // return getImage(((NodesWrapper) element).getNode());
  93                         // }
  94                 }
  95                 // try {
  96                 // return super.getImage();
  97                 // } catch (RepositoryException e) {
  98                 // return null;
  99                 // }
 100                 return super.getImage(element);
 101         }
 102
 103         protected Image getImage(Node node) {
 104                 try {
 105                         if (node.getPrimaryNodeType().isNodeType(NodeType.NT_FILE))
 106                                 return JcrImages.FILE;
 107                         else if (node.getPrimaryNodeType().isNodeType(NodeType.NT_FOLDER))
 108                                 return JcrImages.FOLDER;
 109                         else if (node.getPrimaryNodeType().isNodeType(NodeType.NT_RESOURCE))
 110                                 return JcrImages.BINARY;
 111                         else if (node.isNodeType(ArgeoTypes.ARGEO_USER_HOME))
 112                                 return JcrImages.HOME;
 113                         else
 114                                 return JcrImages.NODE;
 115                 } catch (RepositoryException e) {
 116                         log.warn("Error while retrieving type for " + node
 117                                         + " in order to display corresponding image");
 118                         e.printStackTrace();
 119                         return null;
 120                 }
 121
 122         }
 123
 124 }