utils/GenericNodeDoubleClickListener.java

   1 package org.argeo.jcr.ui.explorer.utils;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.RepositoryException;
   5 import javax.jcr.nodetype.NodeType;
   6
   7 import org.argeo.ArgeoException;
   8 import org.argeo.eclipse.ui.jcr.utils.JcrFileProvider;
   9 import org.argeo.eclipse.ui.specific.FileHandler;
  10 import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
  11 import org.argeo.jcr.ui.explorer.editors.GenericNodeEditor;
  12 import org.argeo.jcr.ui.explorer.editors.GenericNodeEditorInput;
  13 import org.argeo.jcr.ui.explorer.model.RepositoryNode;
  14 import org.argeo.jcr.ui.explorer.model.SingleJcrNode;
  15 import org.argeo.jcr.ui.explorer.model.WorkspaceNode;
  16 import org.eclipse.jface.viewers.DoubleClickEvent;
  17 import org.eclipse.jface.viewers.IDoubleClickListener;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.jface.viewers.TreeViewer;
  20 import org.eclipse.ui.PartInitException;
  21
  22 /**
  23  * Centralizes the management of double click on a NodeTreeViewer
  24  */
  25 public class GenericNodeDoubleClickListener implements IDoubleClickListener {
  26
  27         // private final static Log log = LogFactory
  28         // .getLog(GenericNodeDoubleClickListener.class);
  29
  30         private TreeViewer nodeViewer;
  31         private JcrFileProvider jfp;
  32         private FileHandler fileHandler;
  33
  34         public GenericNodeDoubleClickListener(TreeViewer nodeViewer) {
  35                 this.nodeViewer = nodeViewer;
  36                 jfp = new JcrFileProvider();
  37                 fileHandler = new FileHandler(jfp);
  38         }
  39
  40         public void doubleClick(DoubleClickEvent event) {
  41                 if (event.getSelection() == null || event.getSelection().isEmpty())
  42                         return;
  43                 Object obj = ((IStructuredSelection) event.getSelection())
  44                                 .getFirstElement();
  45                 if (obj instanceof RepositoryNode) {
  46                         RepositoryNode rpNode = (RepositoryNode) obj;
  47                         if (rpNode.getChildren().length == 0) {
  48                                 rpNode.login();
  49                                 nodeViewer.refresh(obj);
  50                         }
  51                         // else do nothing
  52                 } else if (obj instanceof WorkspaceNode) {
  53                         ((WorkspaceNode) obj).login();
  54                         nodeViewer.refresh(obj);
  55                 } else if (obj instanceof SingleJcrNode) {
  56                         SingleJcrNode sjn = (SingleJcrNode) obj;
  57                         Node node = sjn.getNode();
  58                         try {
  59                                 if (node.isNodeType(NodeType.NT_FILE)) {
  60                                         // double click on a file node triggers its opening
  61                                         String name = node.getName();
  62                                         String id = node.getIdentifier();
  63
  64                                         // For the file provider to be able to browse the
  65                                         // various
  66                                         // repository.
  67                                         // TODO : enhanced that.
  68                                         // ITreeContentProvider itcp = (ITreeContentProvider)
  69                                         // nodeViewer
  70                                         // .getContentProvider();
  71                                         jfp.setReferenceNode(node);
  72                                         fileHandler.openFile(name, id);
  73                                 }
  74                                 GenericNodeEditorInput gnei = new GenericNodeEditorInput(node);
  75                                 JcrExplorerPlugin.getDefault().getWorkbench()
  76                                                 .getActiveWorkbenchWindow().getActivePage()
  77                                                 .openEditor(gnei, GenericNodeEditor.ID);
  78                         } catch (RepositoryException re) {
  79                                 throw new ArgeoException(
  80                                                 "Repository error while getting node info", re);
  81                         } catch (PartInitException pie) {
  82                                 throw new ArgeoException(
  83                                                 "Unexepected exception while opening node editor", pie);
  84                         }
  85                 }
  86         }
  87 }