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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 java.util.UUID;
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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.IStructuredSelection;
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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.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
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import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
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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.e4.TaxonNavigatorE4;
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import eu.etaxonomy.taxeditor.navigation.navigator.e4.TreeNodeDropAdapterE4.MovingType;
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import eu.etaxonomy.taxeditor.navigation.navigator.operation.RemotingMoveTaxonOperation;
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import eu.etaxonomy.taxeditor.operation.e4.RemotingCdmHandlerE4;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
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/**
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* @author cmathew
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* @date 19 Jun 2015
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*
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*/
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public class RemotingMoveTaxonNodeHandlerE4 extends RemotingCdmHandlerE4 {
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private Set<UUID> oldTaxonNodeUUIDs = new HashSet<>();
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private TaxonNavigatorE4 navigator;
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private UUID classificationUuid = null;
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public RemotingMoveTaxonNodeHandlerE4() {
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super(TaxonNavigatorLabels.MOVE_TAXON_LABEL);
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}
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@Override
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public IStatus allowOperations(IStructuredSelection selection,
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Shell shell,
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MPart activePart,
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MHandledMenuItem menuItem) {
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// check for no taxon tree node selected
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if(selection.size() == 0) {
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return new Status(IStatus.ERROR,
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"unknown", //$NON-NLS-1$
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TaxonNavigatorLabels.NO_TAXON_SELECTION_MESSAGE);
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}
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// check that selected object is a taxon node
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Object obj ;
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Iterator iter = selection.iterator();
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oldTaxonNodeUUIDs = new HashSet<>();
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while (iter.hasNext()){
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obj = iter.next();
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if(obj instanceof TaxonNodeDto) {
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oldTaxonNodeUUIDs.add(((TaxonNodeDto)obj).getUuid());
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if (classificationUuid == null){
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classificationUuid = ((TaxonNodeDto)obj).getClassificationUUID();
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}
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} else {
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return new Status(IStatus.ERROR,
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"unknown", //$NON-NLS-1$
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TaxonNavigatorLabels.SELECTED_OBJECT_NOT_TREE_NODE_MESSAGE);
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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(IStructuredSelection selection,
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Shell shell,
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MPart activePart,
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MHandledMenuItem menuItem) {
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TaxonNode parentTaxonNode;
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MovingType moveToNewParent = MovingType.CHILD;
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if (PreferencesUtil.isNodesSortedNaturally()){
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parentTaxonNode = TaxonNodeSelectionDialog.select(shell,
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Messages.RemotingMoveTaxonNodeHandler_CHOOSE_TAXON,
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oldTaxonNodeUUIDs,
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null,
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classificationUuid, true);
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String[] buttonLables = {Messages.RemotingMoveTaxonNodeHandler_CHILD, Messages.RemotingMoveTaxonNodeHandler_BEHIND,Messages.RemotingMoveTaxonNodeHandler_CANCEL};
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MessageDialog dialog = new MessageDialog(null, Messages.RemotingMoveTaxonNodeHandler_TARGET_NODE, null, Messages.RemotingMoveTaxonNodeHandler_TARGET_NODE_MESSAGE, MessageDialog.QUESTION_WITH_CANCEL, buttonLables, 0);
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dialog.open();
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int returnCode = dialog.getReturnCode();
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if (returnCode == 0){
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moveToNewParent = MovingType.CHILD;
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} else if (returnCode == 1){
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moveToNewParent = MovingType.BEHIND;
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}
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} else {
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parentTaxonNode = TaxonNodeSelectionDialog.select(shell,
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Messages.RemotingMoveTaxonNodeHandler_CHOOSE_PARENT,
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oldTaxonNodeUUIDs,
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null,
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classificationUuid, true);
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}
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if(parentTaxonNode != null){
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if(NavigationUtil.isDirty(parentTaxonNode, partService)){
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MessageDialog.openWarning(shell,
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Messages.RemotingMoveTaxonNodeHandler_UNSAVED_PARENT,
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Messages.RemotingMoveTaxonNodeHandler_UNSAVED_PARENT_MESSAGE);
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return null;
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}
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return new RemotingMoveTaxonOperation(getTrigger(),
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false,
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oldTaxonNodeUUIDs,
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parentTaxonNode.getUuid(),
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moveToNewParent);
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}
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return null;
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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.getFirstElement() instanceof TaxonNodeDto
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&& ((TaxonNodeDto)selection.getFirstElement()).getTaxonUuid() != null;
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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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