org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/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.eclipse.ui.EclipseUiException;
  24 import org.eclipse.jface.viewers.ColumnLabelProvider;
  25 import org.eclipse.swt.graphics.Image;
  26
  27 /**
  28  * Default label provider to manage node and corresponding UI objects. It
  29  * provides reasonable overwrite-able default for known JCR types.
  30  */
  31 public class DefaultNodeLabelProvider extends ColumnLabelProvider {
  32         private static final long serialVersionUID = 1216182332792151235L;
  33
  34         public String getText(Object element) {
  35                 try {
  36                         if (element instanceof Node) {
  37                                 return getText((Node) element);
  38                         } else if (element instanceof WrappedNode) {
  39                                 return getText(((WrappedNode) element).getNode());
  40                         } else if (element instanceof NodesWrapper) {
  41                                 return getText(((NodesWrapper) element).getNode());
  42                         }
  43                         return super.getText(element);
  44                 } catch (RepositoryException e) {
  45                         throw new EclipseUiException("Cannot get text for of " + element, e);
  46                 }
  47         }
  48
  49         protected String getText(Node node) throws RepositoryException {
  50                 if (node.isNodeType(NodeType.MIX_TITLE)
  51                                 && node.hasProperty(Property.JCR_TITLE))
  52                         return node.getProperty(Property.JCR_TITLE).getString();
  53                 else
  54                         return node.getName();
  55         }
  56
  57         @Override
  58         public Image getImage(Object element) {
  59                 try {
  60                         if (element instanceof Node) {
  61                                 return getImage((Node) element);
  62                         } else if (element instanceof WrappedNode) {
  63                                 return getImage(((WrappedNode) element).getNode());
  64                         } else if (element instanceof NodesWrapper) {
  65                                 return getImage(((NodesWrapper) element).getNode());
  66                         }
  67                 } catch (RepositoryException e) {
  68                         throw new EclipseUiException("Cannot retrieve image for " + element, e);
  69                 }
  70                 return super.getImage(element);
  71         }
  72
  73         protected Image getImage(Node node) throws RepositoryException {
  74                 // FIXME who uses that?
  75                 return null;
  76         }
  77
  78         @Override
  79         public String getToolTipText(Object element) {
  80                 try {
  81                         if (element instanceof Node) {
  82                                 return getToolTipText((Node) element);
  83                         } else if (element instanceof WrappedNode) {
  84                                 return getToolTipText(((WrappedNode) element).getNode());
  85                         } else if (element instanceof NodesWrapper) {
  86                                 return getToolTipText(((NodesWrapper) element).getNode());
  87                         }
  88                 } catch (RepositoryException e) {
  89                         throw new EclipseUiException("Cannot get tooltip for " + element, e);
  90                 }
  91                 return super.getToolTipText(element);
  92         }
  93
  94         protected String getToolTipText(Node node) throws RepositoryException {
  95                 return null;
  96         }
  97 }