+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Mathieu Baudier
- *
- * 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.jcr.commands;
-
-import java.util.Iterator;
-
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-
-import org.argeo.ArgeoException;
-import org.argeo.eclipse.ui.ErrorFeedback;
-import org.argeo.eclipse.ui.jcr.views.AbstractJcrBrowser;
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.ui.handlers.HandlerUtil;
-
-/**
- * Deletes the selected nodes and refresh the corresponding AbstractJcrView.
- * Note that no model specific check is done to see if the node can be removed
- * or not. Extend or override to implement specific behaviour.
- */
-public class DeleteNodes extends AbstractHandler {
- public final static String ID = "org.argeo.eclipse.ui.jcr.deleteNodes";
- public final static String DEFAULT_LABEL = "Delete selected nodes";
-
- public Object execute(ExecutionEvent event) throws ExecutionException {
- ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event)
- .getActivePage().getSelection();
- AbstractJcrBrowser view = (AbstractJcrBrowser) HandlerUtil
- .getActiveWorkbenchWindow(event).getActivePage()
- .findView(HandlerUtil.getActivePartId(event));
-
- if (selection != null && selection instanceof IStructuredSelection) {
- Iterator<?> it = ((IStructuredSelection) selection).iterator();
- Object obj = null;
- Node ancestor = null;
- try {
- while (it.hasNext()) {
- obj = it.next();
- if (obj instanceof Node) {
- Node node = (Node) obj;
- Node parentNode = node.getParent();
- node.remove();
- node.getSession().save();
- ancestor = getOlder(ancestor, parentNode);
- }
- }
- if (ancestor != null)
- view.nodeRemoved(ancestor);
- } catch (Exception e) {
- ErrorFeedback.show("Cannot delete node " + obj, e);
- }
- }
- return null;
- }
-
- protected Node getOlder(Node A, Node B) {
- try {
-
- if (A == null)
- return B == null ? null : B;
- // Todo enhanced this method
- else
- return A.getDepth() <= B.getDepth() ? A : B;
- } catch (RepositoryException re) {
- throw new ArgeoException("Cannot find ancestor", re);
- }
- }
-}