+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.eclipse.ui.workbench.commands;
-
-import java.util.Iterator;
-
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-
-import org.argeo.eclipse.ui.EclipseUiException;
-import org.argeo.eclipse.ui.TreeParent;
-import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
-import org.argeo.eclipse.ui.workbench.internal.jcr.model.SingleJcrNodeElem;
-import org.argeo.eclipse.ui.workbench.internal.jcr.model.WorkspaceElem;
-import org.argeo.eclipse.ui.workbench.jcr.JcrBrowserView;
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.eclipse.jface.dialogs.MessageDialog;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.ui.handlers.HandlerUtil;
-
-/**
- * Delete the selected nodes: both in the JCR repository and in the UI view.
- * Warning no check is done, except implementation dependent native checks,
- * handle with care.
- *
- * This handler is still 'hard linked' to a GenericJcrBrowser view to enable
- * correct tree refresh when a node is added. This must be corrected in future
- * versions.
- */
-public class DeleteNodes extends AbstractHandler {
- public Object execute(ExecutionEvent event) throws ExecutionException {
- ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event)
- .getActivePage().getSelection();
- if (selection == null || !(selection instanceof IStructuredSelection))
- return null;
-
- JcrBrowserView view = (JcrBrowserView) HandlerUtil
- .getActiveWorkbenchWindow(event).getActivePage()
- .findView(HandlerUtil.getActivePartId(event));
-
- // confirmation
- StringBuffer buf = new StringBuffer("");
- Iterator<?> lst = ((IStructuredSelection) selection).iterator();
- while (lst.hasNext()) {
- SingleJcrNodeElem sjn = ((SingleJcrNodeElem) lst.next());
- buf.append(sjn.getName()).append(' ');
- }
- Boolean ok = MessageDialog.openConfirm(
- HandlerUtil.getActiveShell(event), "Confirm deletion",
- "Do you want to delete " + buf + "?");
-
- // operation
- if (ok) {
- Iterator<?> it = ((IStructuredSelection) selection).iterator();
- Object obj = null;
- SingleJcrNodeElem ancestor = null;
- WorkspaceElem rootAncestor = null;
- try {
- while (it.hasNext()) {
- obj = it.next();
- if (obj instanceof SingleJcrNodeElem) {
- // Cache objects
- SingleJcrNodeElem sjn = (SingleJcrNodeElem) obj;
- TreeParent tp = (TreeParent) sjn.getParent();
- Node node = sjn.getNode();
-
- // Jcr Remove
- node.remove();
- node.getSession().save();
- // UI remove
- tp.removeChild(sjn);
-
- // Check if the parent is the root node
- if (tp instanceof WorkspaceElem)
- rootAncestor = (WorkspaceElem) tp;
- else
- ancestor = getOlder(ancestor, (SingleJcrNodeElem) tp);
- }
- }
- if (rootAncestor != null)
- view.nodeRemoved(rootAncestor);
- else if (ancestor != null)
- view.nodeRemoved(ancestor);
- } catch (Exception e) {
- ErrorFeedback.show("Cannot delete selected node ", e);
- }
- }
- return null;
- }
-
- private SingleJcrNodeElem getOlder(SingleJcrNodeElem A, SingleJcrNodeElem B) {
- try {
- if (A == null)
- return B == null ? null : B;
- // Todo enhanced this method
- else
- return A.getNode().getDepth() <= B.getNode().getDepth() ? A : B;
- } catch (RepositoryException re) {
- throw new EclipseUiException("Cannot find ancestor", re);
- }
- }
-}