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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.e4.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 javax.inject.Named;
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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.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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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.swt.widgets.Shell;
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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.Synonym;
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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.l10n.Messages;
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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.e4.RemotingCdmHandlerE4;
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import eu.etaxonomy.taxeditor.ui.dialog.configurator.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 RemotingDeleteTaxonNodeHandlerE4 extends RemotingCdmHandlerE4 {
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private TaxonDeletionConfigurator config;
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private Set<ITaxonTreeNode> treeNodes;
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public RemotingDeleteTaxonNodeHandlerE4() {
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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(TreeSelection selection,
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Shell shell,
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MPart activePart,
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MHandledMenuItem menuItem) {
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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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for (ITaxonTreeNode treeNode : treeNodes) {
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if(treeNode instanceof TaxonNode) {
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EditorUtil.closeObsoleteEditor((TaxonNode) treeNode, partService);
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}
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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 TaxonNode && !((TaxonNode)taxonNode).hasTaxon()){
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taxonNode = CdmApplicationState.getCurrentAppConfig().getClassificationService().load(((TaxonNode)taxonNode).getClassification().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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treeNodes = new HashSet<ITaxonTreeNode>();
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treeNodes.add(taxonNode);
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if (taxonNode == null){
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MessagingUtils.informationDialog(Messages.RemotingDeleteTaxonNodeHandler_NODE_DELETED, Messages.RemotingDeleteTaxonNodeHandler_NODE_DELETED_MESSAGE);
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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 = DeleteHandlerE4.DO_YOU_REALLY_WANT_TO_DELETE_THE_CLASSIFICATION+DeleteHandlerE4.THE_TREE_HAS_CHILDREN_THEY_WILL_BE_DELETED_TOO;
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} else {
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message = DeleteHandlerE4.DO_YOU_REALLY_WANT_TO_DELETE_THE_CLASSIFICATION;
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}
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if (!MessageDialog.openConfirm(
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shell, DeleteHandlerE4.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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shell,
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DeleteHandlerE4.CONFIRM_DELETION,
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null,
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DeleteHandlerE4.DO_YOU_REALLY_WANT_TO_DELETE_THE_SELECTED_NODE_S+DeleteHandlerE4.THERE_ARE_CHILDNODES_WHICH_WILL_BE_DELETED_TOO,
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MessageDialog.WARNING, new String[] { DeleteHandlerE4.DELETE_ALL_CHILDREN,
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DeleteHandlerE4.MOVE_CHILDREN_TO_PARENT_NODE, DeleteHandlerE4.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, shell, DeleteHandlerE4.CONFIRM_DELETION, DeleteHandlerE4.DO_YOU_REALLY_WANT_TO_DELETE_THE_SELECTED_NODE_S)){
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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(TreeSelection selection,
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Shell shell,
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MPart activePart,
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MHandledMenuItem menuItem) {
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return new RemotingDeleteTaxonNodeOperation(getTrigger(),
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false,
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treeNodes,
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config);
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}
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@CanExecute
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private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
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boolean canExecute = false;
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canExecute = !selection.isEmpty() && !(selection.getFirstElement() instanceof Synonym);
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menuItem.setVisible(canExecute);
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return canExecute;
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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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* {@inheritDoc}
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*/
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@Override
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protected Object getTrigger() {
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return this;
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}
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}
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