+++ /dev/null
-package org.argeo.cms.e4.jcr.handlers;
-
-import java.util.List;
-
-import javax.inject.Named;
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-
-import org.argeo.cms.e4.jcr.JcrBrowserView;
-import org.argeo.cms.ui.jcr.model.SingleJcrNodeElem;
-import org.argeo.cms.ui.jcr.model.WorkspaceElem;
-import org.argeo.cms.ux.widgets.TreeParent;
-import org.argeo.eclipse.ui.EclipseUiException;
-import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
-import org.eclipse.e4.core.di.annotations.Execute;
-import org.eclipse.e4.ui.model.application.ui.basic.MPart;
-import org.eclipse.e4.ui.services.IServiceConstants;
-import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
-import org.eclipse.jface.dialogs.MessageDialog;
-import org.eclipse.swt.widgets.Display;
-
-/**
- * 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 {
- @Execute
- public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, ESelectionService selectionService) {
- List<?> selection = (List<?>) selectionService.getSelection();
- if (selection == null)
- return;
-
- JcrBrowserView view = (JcrBrowserView) part.getObject();
-
- // confirmation
- StringBuffer buf = new StringBuffer("");
- for (Object o : selection) {
- SingleJcrNodeElem sjn = (SingleJcrNodeElem) o;
- buf.append(sjn.getName()).append(' ');
- }
- Boolean doRemove = MessageDialog.openConfirm(Display.getCurrent().getActiveShell(), "Confirm deletion",
- "Do you want to delete " + buf + "?");
-
- // operation
- if (doRemove) {
- SingleJcrNodeElem ancestor = null;
- WorkspaceElem rootAncestor = null;
- try {
- for (Object obj : selection) {
- 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);
- }
- }
- }
-
- 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);
- }
- }
-}