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.AkbTypes;
  11 import org.argeo.slc.akb.ui.AkbUiPlugin;
  12 import org.argeo.slc.akb.ui.editors.AkbNodeEditorInput;
  13 import org.argeo.slc.akb.utils.AkbJcrUtils;
  14 import org.eclipse.core.commands.AbstractHandler;
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.jface.dialogs.MessageDialog;
  18 import org.eclipse.ui.IEditorPart;
  19 import org.eclipse.ui.IWorkbenchPage;
  20 import org.eclipse.ui.handlers.HandlerUtil;
  21
  22 /**
  23  * Deletes one or more akb nodes also closing the corresponding editors if
  24  * needed
  25  */
  26 public class DeleteAkbNodes extends AbstractHandler {
  27         public final static String ID = AkbUiPlugin.PLUGIN_ID + ".deleteAkbNodes";
  28
  29         /* DEPENDENCY INJECTION */
  30         private Repository repository;
  31
  32         public final static String PARAM_NODE_JCR_ID = "param.nodeJcrId";
  33
  34         public Object execute(ExecutionEvent event) throws ExecutionException {
  35
  36                 String nodeJcrId = event.getParameter(PARAM_NODE_JCR_ID);
  37
  38                 Session session = null;
  39                 try {
  40                         session = repository.login();
  41
  42                         // caches current Page
  43                         IWorkbenchPage currentPage = HandlerUtil.getActiveWorkbenchWindow(
  44                                         event).getActivePage();
  45
  46                         session = repository.login();
  47                         Node node = null;
  48
  49                         if (nodeJcrId != null)
  50                                 node = session.getNodeByIdentifier(nodeJcrId);
  51
  52                         // We must be in a template or on the root of an env instance to
  53                         // delete nodes.
  54                         Node template = node.isNodeType(AkbTypes.AKB_ENV) ? node
  55                                         : AkbJcrUtils.getCurrentTemplate(node);
  56
  57                         if (node != null) {
  58                                 Boolean ok = MessageDialog.openConfirm(
  59                                                 HandlerUtil.getActiveShell(event), "Confirm deletion",
  60                                                 "Do you want to delete this item?");
  61
  62                                 if (ok) {
  63                                         IEditorPart currPart = currentPage
  64                                                         .findEditor(new AkbNodeEditorInput(template
  65                                                                         .getIdentifier(), nodeJcrId));
  66                                         if (currPart != null)
  67                                                 currentPage.closeEditor(currPart, false);
  68
  69                                         node.remove();
  70                                         session.save();
  71                                 }
  72                         }
  73                 } catch (RepositoryException e) {
  74                         throw new AkbException("JCR error while deleting node" + nodeJcrId
  75                                         + " editor", e);
  76                 } finally {
  77                         JcrUtils.logoutQuietly(session);
  78                 }
  79                 return null;
  80         }
  81
  82         /* DEPENDENCY INJECTION */
  83         public void setRepository(Repository repository) {
  84                 this.repository = repository;
  85         }
  86 }