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