server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/utils/GenericNodeDoubleClickListener.java

   1 /*
   2  * Copyright (C) 2007-2012 Mathieu Baudier
   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.RepositoryNode;
  29 import org.argeo.jcr.ui.explorer.model.SingleJcrNode;
  30 import org.argeo.jcr.ui.explorer.model.WorkspaceNode;
  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                 fileHandler = new FileHandler(jfp);
  53         }
  54
  55         public void doubleClick(DoubleClickEvent event) {
  56                 if (event.getSelection() == null || event.getSelection().isEmpty())
  57                         return;
  58                 Object obj = ((IStructuredSelection) event.getSelection())
  59                                 .getFirstElement();
  60                 if (obj instanceof RepositoryNode) {
  61                         RepositoryNode rpNode = (RepositoryNode) obj;
  62                         if (rpNode.getChildren().length == 0) {
  63                                 rpNode.login();
  64                                 nodeViewer.refresh(obj);
  65                         }
  66                         // else do nothing
  67                 } else if (obj instanceof WorkspaceNode) {
  68                         ((WorkspaceNode) obj).login();
  69                         nodeViewer.refresh(obj);
  70                 } else if (obj instanceof SingleJcrNode) {
  71                         SingleJcrNode sjn = (SingleJcrNode) obj;
  72                         Node node = sjn.getNode();
  73                         try {
  74                                 if (node.isNodeType(NodeType.NT_FILE)) {
  75                                         // double click on a file node triggers its opening
  76                                         String name = node.getName();
  77                                         String id = node.getIdentifier();
  78
  79                                         // For the file provider to be able to browse the
  80                                         // various
  81                                         // repository.
  82                                         // TODO : enhanced that.
  83                                         // ITreeContentProvider itcp = (ITreeContentProvider)
  84                                         // nodeViewer
  85                                         // .getContentProvider();
  86                                         jfp.setReferenceNode(node);
  87                                         fileHandler.openFile(name, id);
  88                                 }
  89                                 GenericNodeEditorInput gnei = new GenericNodeEditorInput(node);
  90                                 JcrExplorerPlugin.getDefault().getWorkbench()
  91                                                 .getActiveWorkbenchWindow().getActivePage()
  92                                                 .openEditor(gnei, GenericNodeEditor.ID);
  93                         } catch (RepositoryException re) {
  94                                 throw new ArgeoException(
  95                                                 "Repository error while getting node info", re);
  96                         } catch (PartInitException pie) {
  97                                 throw new ArgeoException(
  98                                                 "Unexepected exception while opening node editor", pie);
  99                         }
 100                 }
 101         }
 102 }