eclipse/org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/RenameNode.java

   1 package org.argeo.cms.e4.jcr.handlers;
   2
   3 import java.util.List;
   4
   5 import javax.inject.Named;
   6 import javax.jcr.Node;
   7 import javax.jcr.RepositoryException;
   8 import javax.jcr.Session;
   9
  10 import org.argeo.cms.e4.jcr.JcrBrowserView;
  11 import org.argeo.cms.ui.jcr.model.SingleJcrNodeElem;
  12 import org.argeo.eclipse.ui.EclipseUiException;
  13 import org.argeo.eclipse.ui.dialogs.SingleValue;
  14 import org.argeo.jcr.JcrUtils;
  15 import org.eclipse.e4.core.di.annotations.Execute;
  16 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  17 import org.eclipse.e4.ui.services.IServiceConstants;
  18 import org.eclipse.e4.ui.workbench.modeling.EPartService;
  19 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  20
  21 /**
  22  * Canonically call JCR Session#move(String, String) on the first element
  23  * returned by HandlerUtil#getActiveWorkbenchWindow()
  24  * (...getActivePage().getSelection()), if it is a {@link SingleJcrNodeElem}.
  25  * The user must then fill a new name in and confirm
  26  */
  27 public class RenameNode {
  28         @Execute
  29         public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, EPartService partService,
  30                         ESelectionService selectionService) {
  31                 List<?> selection = (List<?>) selectionService.getSelection();
  32                 if (selection == null || selection.size() != 1)
  33                         return;
  34                 JcrBrowserView view = (JcrBrowserView) part.getObject();
  35
  36                 Object element = selection.get(0);
  37                 if (element instanceof SingleJcrNodeElem) {
  38                         SingleJcrNodeElem sjn = (SingleJcrNodeElem) element;
  39                         Node node = sjn.getNode();
  40                         Session session = null;
  41                         String newName = null;
  42                         String oldPath = null;
  43                         try {
  44                                 newName = SingleValue.ask("New node name", "Please provide a new name for [" + node.getName() + "]");
  45                                 // TODO sanity check and user feedback
  46                                 newName = JcrUtils.replaceInvalidChars(newName);
  47                                 oldPath = node.getPath();
  48                                 session = node.getSession();
  49                                 session.move(oldPath, JcrUtils.parentPath(oldPath) + "/" + newName);
  50                                 session.save();
  51
  52                                 // Manually refresh the browser view. Must be enhanced
  53                                 view.refresh(sjn);
  54                         } catch (RepositoryException e) {
  55                                 throw new EclipseUiException("Unable to rename " + node + " to " + newName, e);
  56                         }
  57                 }
  58         }
  59 }