GenericNodeDoubleClickListener.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.jcr.ui.explorer.utils;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.RepositoryException;
  20 import javax.jcr.nodetype.NodeType;
  21
  22 import org.argeo.ArgeoException;
  23 import org.argeo.eclipse.ui.jcr.utils.JcrFileProvider;
  24 import org.argeo.eclipse.ui.specific.FileHandler;
  25 import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
  26 import org.argeo.jcr.ui.explorer.editors.GenericNodeEditor;
  27 import org.argeo.jcr.ui.explorer.editors.GenericNodeEditorInput;
  28 import org.argeo.jcr.ui.explorer.model.RepositoryElem;
  29 import org.argeo.jcr.ui.explorer.model.SingleJcrNodeElem;
  30 import org.argeo.jcr.ui.explorer.model.WorkspaceElem;
  31 import org.eclipse.jface.viewers.DoubleClickEvent;
  32 import org.eclipse.jface.viewers.IDoubleClickListener;
  33 import org.eclipse.jface.viewers.IStructuredSelection;
  34 import org.eclipse.jface.viewers.TreeViewer;
  35 import org.eclipse.ui.PartInitException;
  36
  37 /**
  38  * Centralizes the management of double click on a NodeTreeViewer
  39  */
  40 public class GenericNodeDoubleClickListener implements IDoubleClickListener {
  41
  42         // private final static Log log = LogFactory
  43         // .getLog(GenericNodeDoubleClickListener.class);
  44
  45         private TreeViewer nodeViewer;
  46         private JcrFileProvider jfp;
  47         private FileHandler fileHandler;
  48
  49         public GenericNodeDoubleClickListener(TreeViewer nodeViewer) {
  50                 this.nodeViewer = nodeViewer;
  51                 jfp = new JcrFileProvider();
  52                 // TODO remove this
  53                 fileHandler = null;
  54                 // fileHandler = new FileHandler(jfp);
  55         }
  56
  57         public void doubleClick(DoubleClickEvent event) {
  58                 if (event.getSelection() == null || event.getSelection().isEmpty())
  59                         return;
  60                 Object obj = ((IStructuredSelection) event.getSelection())
  61                                 .getFirstElement();
  62                 if (obj instanceof RepositoryElem) {
  63                         RepositoryElem rpNode = (RepositoryElem) obj;
  64                         if (!rpNode.isConnected()) {
  65                                 rpNode.login();
  66                                 nodeViewer.refresh(obj);
  67                         }
  68                         // else do nothing
  69                 } else if (obj instanceof WorkspaceElem) {
  70                         WorkspaceElem wn = (WorkspaceElem) obj;
  71                         if (wn.isConnected())
  72                                 wn.logout();
  73                         else
  74                                 wn.login();
  75                         nodeViewer.refresh(obj);
  76                 } else if (obj instanceof SingleJcrNodeElem) {
  77                         SingleJcrNodeElem sjn = (SingleJcrNodeElem) obj;
  78                         Node node = sjn.getNode();
  79                         try {
  80                                 if (node.isNodeType(NodeType.NT_FILE)) {
  81                                         // double click on a file node triggers its opening
  82                                         String name = node.getName();
  83                                         String id = node.getIdentifier();
  84
  85                                         // For the file provider to be able to browse the
  86                                         // various
  87                                         // repository.
  88                                         // TODO : enhanced that.
  89                                         // ITreeContentProvider itcp = (ITreeContentProvider)
  90                                         // nodeViewer
  91                                         // .getContentProvider();
  92                                         jfp.setReferenceNode(node);
  93                                         if (fileHandler != null)
  94                                                 fileHandler.openFile(name, id);
  95                                 }
  96                                 GenericNodeEditorInput gnei = new GenericNodeEditorInput(node);
  97                                 JcrExplorerPlugin.getDefault().getWorkbench()
  98                                                 .getActiveWorkbenchWindow().getActivePage()
  99                                                 .openEditor(gnei, GenericNodeEditor.ID);
 100                         } catch (RepositoryException re) {
 101                                 throw new ArgeoException(
 102                                                 "Repository error while getting node info", re);
 103                         } catch (PartInitException pie) {
 104                                 throw new ArgeoException(
 105                                                 "Unexepected exception while opening node editor", pie);
 106                         }
 107                 }
 108         }
 109 }