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/**
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* Copyright (C) 2007 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.view.descriptive.e4.handler;
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import java.util.List;
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import javax.inject.Named;
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import org.eclipse.e4.ui.di.AboutToShow;
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import org.eclipse.e4.ui.model.application.commands.MCommand;
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import org.eclipse.e4.ui.model.application.commands.MCommandsFactory;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.model.application.ui.menu.MMenu;
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import org.eclipse.e4.ui.model.application.ui.menu.MMenuElement;
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import org.eclipse.e4.ui.model.application.ui.menu.MMenuFactory;
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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 eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.Language;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
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import eu.etaxonomy.cdm.model.description.Feature;
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import eu.etaxonomy.cdm.model.description.TaxonNameDescription;
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import eu.etaxonomy.cdm.model.term.DefinedTermBase;
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import eu.etaxonomy.cdm.model.term.TermNode;
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import eu.etaxonomy.cdm.model.term.TermTree;
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import eu.etaxonomy.taxeditor.editor.definedterm.input.TermEditorInput;
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import eu.etaxonomy.taxeditor.editor.l10n.Messages;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.CreateDescriptionElementOperation;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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/**
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* @author pplitzner
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* @date 15.08.2017
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*/
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public class DynamicFeatureMenuE4 {
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@AboutToShow
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public void aboutToShow(List<MMenuElement> items, @Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection) {
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Language globalLanguage = PreferencesUtil.getGlobalLanguage();
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MMenu menu = MMenuFactory.INSTANCE.createMenu();
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menu.setLabel(Messages.DynamicFeatureMenuE4_new);
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items.add(menu);
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Object selectedElement = selection.getFirstElement();
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if (selectedElement instanceof DescriptionBase<?>) {
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if (((DescriptionBase<?>) selectedElement).isComputed()){
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items.remove(menu);
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return;
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}
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TermTree<?> featureTree = getFeatureTree((DescriptionBase<?>) selectedElement);
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for (TermNode<?> childNode : featureTree.getRootChildren()) {
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createMenuItem(menu, childNode.getTerm(), globalLanguage);
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}
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} else if (selectedElement instanceof FeatureNodeContainer) {
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if (((FeatureNodeContainer) selectedElement).getDescription().isComputed()){
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items.remove(menu);
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return;
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}
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TermNode<?> featureNode = ((FeatureNodeContainer) selectedElement)
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.getFeatureNode();
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// add the feature to the menu
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createMenuItem(menu, featureNode.getTerm(), globalLanguage);
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// add possible children to the menu
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for (TermNode<?> childNode : featureNode.getChildNodes()) {
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TermTree<?> featureTree = getFeatureTree(((FeatureNodeContainer) selectedElement).getDescription());
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featureTree = PreferencesUtil.getPreferredFeatureTreeForNameDescription(false);
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if (featureTree != null && featureTree.getRootChildren().contains(childNode.getTerm() )){
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createMenuItem(menu, childNode.getTerm(), globalLanguage);
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}
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}
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} else if (selectedElement instanceof DescriptionElementBase) {
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if (((DescriptionElementBase) selectedElement).getInDescription().isComputed()){
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items.remove(menu);
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return;
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}
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Feature feature = ((DescriptionElementBase) selectedElement)
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.getFeature();
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createMenuItem(menu, feature, globalLanguage);
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}
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}
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private void createMenuItem(MMenu menu, final DefinedTermBase feature, Language globalLanguage) {
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final DefinedTermBase<?> deproxiedFeature = HibernateProxyHelper.deproxy(feature, DefinedTermBase.class);
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String label = deproxiedFeature.getLabel(globalLanguage);
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if (label == null){
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label = deproxiedFeature.getLabel();
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}
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if(label == null){
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label = deproxiedFeature.generateTitle();
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}
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if(label == null){
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label = deproxiedFeature.toString();
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}
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MHandledMenuItem menuItem = MMenuFactory.INSTANCE.createHandledMenuItem();
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menuItem.setLabel(label);
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MCommand mCommand = MCommandsFactory.INSTANCE.createCommand();
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mCommand.setElementId(CreateDescriptionElementOperation.ID);
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mCommand.setCommandName(label);
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// try {
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// mCommand.setCommandName(command.getName());
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// } catch (NotDefinedException e) {
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// e.printStackTrace();
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// }
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//set params
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menuItem.getTransientData().put(CreateDescriptionElementOperation.ID+".feature.uuid", deproxiedFeature.getUuid());
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menuItem.setCommand(mCommand);
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menu.getChildren().add(menuItem);
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}
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/**
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* Retrieves the feature tree associated with the given description
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*
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* TODO as of now this is always the same thing because feature trees may
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* not be associated to descriptions yet.
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*
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* @param description
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* @return
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*/
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private TermTree<?> getFeatureTree(DescriptionBase description) {
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TermTree<?> featureTree = null;
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// TODO change this to the feature tree associated with this taxon
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// description
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if (description.hasStructuredData()) {
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featureTree = PreferencesUtil
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.getDefaultFeatureTreeForStructuredDescription();
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} else {
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featureTree = PreferencesUtil
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.getDefaultFeatureTreeForTextualDescription();
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}
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if (featureTree == null) {
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featureTree = TermEditorInput.getPreferredTaxonFeatureTree(false);
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}
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if (description instanceof TaxonNameDescription){
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featureTree = TermEditorInput.getPreferredNameFeatureTree(false);
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}
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return featureTree;
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}
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}
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