plugins/org.argeo.slc.akb.ui/src/main/java/org/argeo/slc/akb/ui/commands/DeleteAkbNodes.java

   1 package org.argeo.slc.akb.ui.commands;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.Repository;
   5 import javax.jcr.RepositoryException;
   6 import javax.jcr.Session;
   7
   8 import org.argeo.jcr.JcrUtils;
   9 import org.argeo.slc.akb.AkbException;
  10 import org.argeo.slc.akb.ui.AkbUiPlugin;
  11 import org.argeo.slc.akb.ui.editors.AkbNodeEditorInput;
  12 import org.argeo.slc.akb.utils.AkbJcrUtils;
  13 import org.eclipse.core.commands.AbstractHandler;
  14 import org.eclipse.core.commands.ExecutionEvent;
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.jface.dialogs.MessageDialog;
  17 import org.eclipse.ui.IEditorPart;
  18 import org.eclipse.ui.IWorkbenchPage;
  19 import org.eclipse.ui.handlers.HandlerUtil;
  20
  21 /**
  22  * Deletes one or more akb nodes also closing the corresponding editors if
  23  * needed
  24  */
  25 public class DeleteAkbNodes extends AbstractHandler {
  26         public final static String ID = AkbUiPlugin.PLUGIN_ID + ".deleteAkbNodes";
  27
  28         /* DEPENDENCY INJECTION */
  29         private Repository repository;
  30
  31         public final static String PARAM_NODE_JCR_ID = "param.nodeJcrId";
  32
  33         public Object execute(ExecutionEvent event) throws ExecutionException {
  34
  35                 String nodeJcrId = event.getParameter(PARAM_NODE_JCR_ID);
  36
  37                 Session session = null;
  38                 try {
  39                         session = repository.login();
  40
  41                         // caches current Page
  42                         IWorkbenchPage currentPage = HandlerUtil.getActiveWorkbenchWindow(
  43                                         event).getActivePage();
  44
  45                         session = repository.login();
  46                         Node node = null;
  47
  48                         if (nodeJcrId != null)
  49                                 node = session.getNodeByIdentifier(nodeJcrId);
  50
  51                         // We must be in a template to delete nodes...
  52                         Node template = AkbJcrUtils.getCurrentTemplate(node);
  53
  54                         IEditorPart currPart = currentPage
  55                                         .findEditor(new AkbNodeEditorInput(
  56                                                         template.getIdentifier(), nodeJcrId));
  57                         if (currPart != null)
  58                                 currPart.dispose();
  59
  60                         if (node != null) {
  61                                 Boolean ok = MessageDialog.openConfirm(
  62                                                 HandlerUtil.getActiveShell(event), "Confirm deletion",
  63                                                 "Do you want to delete this item?");
  64
  65                                 if (ok) {
  66                                         node.remove();
  67                                         session.save();
  68                                 }
  69                         }
  70                 } catch (RepositoryException e) {
  71                         throw new AkbException("JCR error while deleting node" + nodeJcrId
  72                                         + " editor", e);
  73                 } finally {
  74                         JcrUtils.logoutQuietly(session);
  75                 }
  76                 return null;
  77         }
  78
  79         /* DEPENDENCY INJECTION */
  80         public void setRepository(Repository repository) {
  81                 this.repository = repository;
  82         }
  83 }