org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/commands/DeleteArtifacts.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.client.ui.dist.commands;
  17
  18 import java.util.Iterator;
  19
  20 import javax.jcr.Node;
  21 import javax.jcr.RepositoryException;
  22
  23 import org.argeo.ArgeoException;
  24 import org.argeo.slc.client.ui.dist.DistPlugin;
  25 import org.argeo.slc.jcr.SlcTypes;
  26 import org.eclipse.core.commands.AbstractHandler;
  27 import org.eclipse.core.commands.ExecutionEvent;
  28 import org.eclipse.core.commands.ExecutionException;
  29 import org.eclipse.jface.dialogs.MessageDialog;
  30 import org.eclipse.jface.resource.ImageDescriptor;
  31 import org.eclipse.jface.viewers.ISelection;
  32 import org.eclipse.jface.viewers.IStructuredSelection;
  33 import org.eclipse.ui.IEditorPart;
  34 import org.eclipse.ui.IWorkbenchPart;
  35 import org.eclipse.ui.handlers.HandlerUtil;
  36
  37 /**
  38  * Delete chosen artifacts from the current workspace.
  39  */
  40 public class DeleteArtifacts extends AbstractHandler {
  41         // private static final Log log = LogFactory.getLog(DeleteWorkspace.class);
  42
  43         public final static String ID = DistPlugin.ID + ".deleteArtifacts";
  44         public final static String DEFAULT_LABEL = "Delete selected items";
  45         public final static ImageDescriptor DEFAULT_ICON = DistPlugin
  46                         .getImageDescriptor("icons/removeItem.gif");
  47
  48         public Object execute(ExecutionEvent event) throws ExecutionException {
  49                 try {
  50                         IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
  51
  52                         if (activePart instanceof IEditorPart) {
  53                                 ISelection selector = ((IEditorPart) activePart)
  54                                                 .getEditorSite().getSelectionProvider().getSelection();
  55                                 if (selector != null
  56                                                 && selector instanceof IStructuredSelection) {
  57                                         Iterator<?> it = ((IStructuredSelection) selector)
  58                                                         .iterator();
  59
  60                                         String msg = "Your are about to definitively remove the "
  61                                                         + ((IStructuredSelection) selector).size()
  62                                                         + " selected artifacts.\n"
  63                                                         + "Are you sure you want to proceed?";
  64
  65                                         boolean result = MessageDialog.openConfirm(DistPlugin
  66                                                         .getDefault().getWorkbench().getDisplay()
  67                                                         .getActiveShell(), "Confirm Deletion", msg);
  68
  69                                         if (result) {
  70                                                 while (it.hasNext()) {
  71                                                         Node node = (Node) it.next();
  72                                                         if (node.isNodeType(SlcTypes.SLC_ARTIFACT)) {
  73                                                                 // we remove the artifactVersion, that is the parent
  74                                                                 node.getParent().remove();
  75                                                                 node.getSession().save();
  76                                                         }
  77                                                 }
  78                                         }
  79                                 }
  80                         }
  81                         // CommandHelpers.callCommand(RefreshDistributionOverviewPage.ID);
  82                 } catch (RepositoryException re) {
  83                         throw new ArgeoException(
  84                                         "Unexpected error while deleting artifacts.", re);
  85                 }
  86                 return null;
  87         }
  88 }