jcr/DefaultNodeLabelProvider.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.jcr;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.Property;
  20 import javax.jcr.RepositoryException;
  21 import javax.jcr.nodetype.NodeType;
  22
  23 import org.argeo.ArgeoException;
  24 import org.eclipse.jface.viewers.ColumnLabelProvider;
  25 import org.eclipse.swt.graphics.Image;
  26
  27 /** Provides reasonable overridable defaults for know JCR types. */
  28 public class DefaultNodeLabelProvider extends ColumnLabelProvider {
  29         private static final long serialVersionUID = 1216182332792151235L;
  30
  31         public String getText(Object element) {
  32                 try {
  33                         if (element instanceof Node) {
  34                                 return getText((Node) element);
  35                         } else if (element instanceof WrappedNode) {
  36                                 return getText(((WrappedNode) element).getNode());
  37                         } else if (element instanceof NodesWrapper) {
  38                                 return getText(((NodesWrapper) element).getNode());
  39                         }
  40                         return super.getText(element);
  41                 } catch (RepositoryException e) {
  42                         throw new ArgeoException("Cannot get text for of " + element, e);
  43                 }
  44         }
  45
  46         protected String getText(Node node) throws RepositoryException {
  47                 if (node.isNodeType(NodeType.MIX_TITLE)
  48                                 && node.hasProperty(Property.JCR_TITLE))
  49                         return node.getProperty(Property.JCR_TITLE).getString();
  50                 else
  51                         return node.getName();
  52         }
  53
  54         @Override
  55         public Image getImage(Object element) {
  56                 try {
  57                         if (element instanceof Node) {
  58                                 return getImage((Node) element);
  59                         } else if (element instanceof WrappedNode) {
  60                                 return getImage(((WrappedNode) element).getNode());
  61                         } else if (element instanceof NodesWrapper) {
  62                                 return getImage(((NodesWrapper) element).getNode());
  63                         }
  64                 } catch (RepositoryException e) {
  65                         throw new ArgeoException("Cannot retrieve image for " + element, e);
  66                 }
  67                 return super.getImage(element);
  68         }
  69
  70         protected Image getImage(Node node) throws RepositoryException {
  71                 // FIXME who uses that?
  72                 return null;
  73         }
  74
  75         @Override
  76         public String getToolTipText(Object element) {
  77                 try {
  78                         if (element instanceof Node) {
  79                                 return getToolTipText((Node) element);
  80                         } else if (element instanceof WrappedNode) {
  81                                 return getToolTipText(((WrappedNode) element).getNode());
  82                         } else if (element instanceof NodesWrapper) {
  83                                 return getToolTipText(((NodesWrapper) element).getNode());
  84                         }
  85                 } catch (RepositoryException e) {
  86                         throw new ArgeoException("Cannot get tooltip for " + element, e);
  87                 }
  88                 return super.getToolTipText(element);
  89         }
  90
  91         protected String getToolTipText(Node node) throws RepositoryException {
  92                 return null;
  93         }
  94
  95 }