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/**
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* Copyright (C) 2016 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.editor.key.polytomous.e4.handler;
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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.viewers.IStructuredSelection;
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import org.eclipse.swt.widgets.Shell;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditorLabels;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.e4.PolytomousKeyListEditorE4;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.operation.InsertPolytomousKeyNodeOperation;
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import eu.etaxonomy.taxeditor.operation.e4.RemotingCdmHandlerE4;
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/**
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* @author k.luther
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* @date 17.11.2016
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*
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*/
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public class InsertNewNodeHandlerE4 extends RemotingCdmHandlerE4{
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private PolytomousKeyNode parentNode ;
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public InsertNewNodeHandlerE4() {
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super(PolytomousKeyEditorLabels.INSERT_NODE_POLYTOMOUS_KEY_NODE_LABEL);
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}
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@Override
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public IStatus allowOperations(@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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@Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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MHandledMenuItem menuItem) {
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PolytomousKeyListEditorE4 editor = (PolytomousKeyListEditorE4) activePart.getObject();
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if(editor.getTableItemCount() == 0) {
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PolytomousKey pk = editor.getViewerInputKey();
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parentNode = pk.getRoot();
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} else {
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if (selection.getFirstElement() instanceof PolytomousKeyNode) {
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parentNode = ((PolytomousKeyNode) selection.getFirstElement()).getParent();
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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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PolytomousKeyEditorLabels.NO_KEY_NODE_FOR_INSERT_NODE_SELECTED_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(@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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@Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
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@Named(IServiceConstants.ACTIVE_PART)MPart activePart,
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MHandledMenuItem menuItem) {
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PolytomousKeyListEditorE4 editor = (PolytomousKeyListEditorE4) activePart.getObject();
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editor.changed(null);
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return new InsertPolytomousKeyNodeOperation(getTrigger(), false, parentNode, editor);
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}
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@Override
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public void onComplete() {
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}
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@CanExecute
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public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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MHandledMenuItem menuItem){
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return true;
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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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