X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fe4%2Fjcr%2Fhandlers%2FDeleteNodes.java;fp=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fe4%2Fjcr%2Fhandlers%2FDeleteNodes.java;h=5df622c66a745148f898920d447f5c58b177df19;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git diff --git a/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/jcr/handlers/DeleteNodes.java b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/jcr/handlers/DeleteNodes.java new file mode 100644 index 0000000..5df622c --- /dev/null +++ b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/jcr/handlers/DeleteNodes.java @@ -0,0 +1,95 @@ +package org.argeo.cms.e4.jcr.handlers; + +import java.util.List; + +import jakarta.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); + } + } +}