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// $Id$
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/**
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* Copyright (C) 2015 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.navigation.navigator.handler;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.operations.AbstractOperation;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.ui.IWorkbenchPage;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.api.application.CdmApplicationState;
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import eu.etaxonomy.cdm.api.service.config.NodeDeletionConfigurator.ChildHandling;
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import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;
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import eu.etaxonomy.cdm.api.service.config.TaxonNodeDeletionConfigurator;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigatorLabels;
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import eu.etaxonomy.taxeditor.navigation.navigator.operation.RemotingDeleteTaxonNodeOperation;
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import eu.etaxonomy.taxeditor.operation.RemotingCdmHandler;
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import eu.etaxonomy.taxeditor.ui.dialog.deleteConfigurator.DeleteConfiguratorDialog;
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/**
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* @author cmathew
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* @date 22 Jun 2015
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*
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*/
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public class RemotingDeleteTaxonNodeHandler extends RemotingCdmHandler {
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private TaxonDeletionConfigurator config;
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private Set<ITaxonTreeNode> treeNodes;
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public RemotingDeleteTaxonNodeHandler() {
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super(TaxonNavigatorLabels.DELETE_TAXON_NODE_LABEL);
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}
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@Override
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public IStatus allowOperations(ExecutionEvent event) {
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TreeSelection selection = (TreeSelection) HandlerUtil.getCurrentSelection(event);
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Iterator<?> selectionIterator = selection.iterator();
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treeNodes = new HashSet<ITaxonTreeNode>();
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while (selectionIterator.hasNext()){
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Object object = selectionIterator.next();
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if(object instanceof ITaxonTreeNode) {
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treeNodes.add((ITaxonTreeNode) object);
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}
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}
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boolean allEditorsClosed = true;
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IWorkbenchPage activePage = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
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for (ITaxonTreeNode treeNode : treeNodes) {
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if(treeNode instanceof TaxonNode) {
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allEditorsClosed &= EditorUtil.closeObsoleteEditor((TaxonNode) treeNode, activePage);
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}
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}
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if(!allEditorsClosed) {
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return new Status(IStatus.WARNING,
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"unknown",
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TaxonNavigatorLabels.RELATED_EDITOR_NOT_CLOSED_MESSAGE);
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}
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config = new TaxonDeletionConfigurator();
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if (treeNodes.size() == 1 ){
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ITaxonTreeNode treeNode = treeNodes.iterator().next();
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ITaxonTreeNode taxonNode = treeNode;
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if (taxonNode instanceof Classification){
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taxonNode = CdmApplicationState.getCurrentAppConfig().getClassificationService().load(taxonNode.getUuid());
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}else{
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taxonNode = CdmApplicationState.getCurrentAppConfig().getTaxonNodeService().load(taxonNode.getUuid());
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}
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if (taxonNode == null){
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MessagingUtils.informationDialog("Node already deleted", "The taxon node was already deleted. Please reopen the taxon navigator to refresh the view.");
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return Status.CANCEL_STATUS;
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}
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TaxonNodeDeletionConfigurator configNodes = new TaxonNodeDeletionConfigurator();
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if (taxonNode instanceof Classification) {
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String message;
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if (taxonNode.hasChildNodes()) {
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message = "Do you really want to delete the classification? The tree has children, they will be deleted, too.";
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} else {
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message = "Do you really want to delete the classification?";
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}
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if (!DeleteConfiguratorDialog.openConfirm(
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HandlerUtil.getActiveShell(event), "Confirm Deletion",
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message)) {
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return Status.CANCEL_STATUS;
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}
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}
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else {
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if (taxonNode.hasChildNodes()){
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DeleteConfiguratorDialog dialog = new DeleteConfiguratorDialog(
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config,
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HandlerUtil.getActiveShell(event),
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"Confirm Deletion",
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null,
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"Do you really want to delete the selected node? It has childnodes, they will be deleted, too.",
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MessageDialog.WARNING, new String[] { "Delete all children",
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"Move children to parent node", "Skip" }, 0);
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int result = dialog.open();
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if (result == 0){
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//delete all children
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configNodes.setChildHandling(ChildHandling.DELETE);
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config.setTaxonNodeConfig(configNodes);
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} else if (result == 1){
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//move children
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configNodes.setChildHandling(ChildHandling.MOVE_TO_PARENT);
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config.setTaxonNodeConfig(configNodes);
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} else if (result == 2){
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return Status.CANCEL_STATUS;
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}
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} else{
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if(!DeleteConfiguratorDialog.openConfirmWithConfigurator(configNodes, HandlerUtil.getActiveShell(event), "Confirm Deletion", "Do you really want to delete the selected node?")){
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return Status.CANCEL_STATUS;
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}
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config.setTaxonNodeConfig(configNodes);
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}
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}
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}
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return Status.OK_STATUS;
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}
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@Override
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public AbstractOperation prepareOperation(ExecutionEvent event) {
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return new RemotingDeleteTaxonNodeOperation(event.getTrigger(),
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false,
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treeNodes,
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config);
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}
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@Override
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public void onComplete() {
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}
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}
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