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/**
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*
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*/
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package eu.etaxonomy.taxeditor.navigation.navigator.e4.handler;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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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.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.ui.di.UISynchronize;
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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.model.common.CdmBase;
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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.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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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.e4.TaxonNavigatorE4;
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import eu.etaxonomy.taxeditor.navigation.navigator.operation.ChangeAcceptedTaxonToSynonymOperation;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
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/**
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*
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* @author pplitzner
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* @date 05.09.2017
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*
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*/
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public class ChangeAcceptedTaxonToSynonymHandlerE4 extends DeleteHandlerE4 implements IPostOperationEnabled {
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@Override
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public void execute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection 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, UISynchronize sync) {
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TaxonNavigatorE4 taxonNavigator = (TaxonNavigatorE4) activePart.getObject();
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Iterator selectionIterator = selection.iterator();
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Set<ITaxonTreeNode> 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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for (ITaxonTreeNode treeNode : treeNodes){
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if(treeNode instanceof TaxonNode) {
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allEditorsClosed &= closeObsoleteEditor((TaxonNode) treeNode);
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}
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}
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AbstractPostOperation operation = null;
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if (treeNodes.size() == 1 ){
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ITaxonTreeNode treeNode = treeNodes.iterator().next();
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ITaxonTreeNode oldAcceptedTaxonNode =treeNode;
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// check if taxon has no children
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if(((TaxonNode)oldAcceptedTaxonNode).getCountChildren() > 0) {
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MessagingUtils.warningDialog(Messages.ChangeAcceptedTaxonToSynonymHandler_PREREQUISITE, this,
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Messages.ChangeAcceptedTaxonToSynonymHandler_PREREQUISITE_MESSAGE);
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return;
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}
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/*if(((TaxonNode)oldAcceptedTaxonNode).getTaxon().hasSynonyms()) {
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EditorUtil.warningDialog("Prerequisite not met", this,
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"The accepted taxon must not have any synonyms. You need to move all synonyms to " +
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"another taxon before attempting to turn the accepted " +
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"taxon into a synonym.");
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return null;
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}*/
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List<UUID> excludeTaxa = new ArrayList<UUID>();
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excludeTaxa.add(((TaxonNode)oldAcceptedTaxonNode).getTaxon().getUuid());
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TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(shell,
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taxonNavigator.getConversationHolder(),
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Messages.ChangeAcceptedTaxonToSynonymHandler_CHOOSE_TAXON,
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excludeTaxa,
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null,
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((TaxonNode)oldAcceptedTaxonNode).getClassification());
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if (newAcceptedTaxonNode == null) {
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return;
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}
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if (allEditorsClosed){
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operation = new ChangeAcceptedTaxonToSynonymOperation(menuItem.getLocalizedLabel(),
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NavigationUtil.getUndoContext(),
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oldAcceptedTaxonNode,
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newAcceptedTaxonNode,
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taxonNavigator,
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taxonNavigator,
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taxonNavigator);
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AbstractUtility.executeOperation(operation, sync);
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}
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} else{
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if( MessageDialog.openConfirm(shell, Messages.ChangeAcceptedTaxonToSynonymHandler_MOVE_SYNONYMY, Messages.ChangeAcceptedTaxonToSynonymHandler_MOVE_SYNONYMY_MESSAGE)){
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return;
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}
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}
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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 TaxonNode
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&& ((TaxonNode) selection.getFirstElement()).getTaxon()!=null;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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/** {@inheritDoc} */
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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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//FIXME E4 migrate
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// Display.getDefault().asyncExec(new Runnable(){
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//
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// @Override
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// public void run() {
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// EditorUtil.close(editor.getMultiPageTaxonEditor());
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//
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// try {
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// MultiPageTaxonEditor possibleOpenEditor = (MultiPageTaxonEditor) EditorUtil.findEditorByTaxonNodeUuid(newAcceptedTaxonNodeUuid);
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// if(possibleOpenEditor != null){
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// EditorUtil.close(possibleOpenEditor);
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// }
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// EditorUtil.openTaxonNodeE4(newAcceptedTaxonNodeUuid);
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// } catch (PartInitException e) {
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// MessagingUtils.error(this.getClass(), e);
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// throw new RuntimeException(e);
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// } catch (Exception e) {
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// MessagingUtils.warningDialog(Messages.ChangeAcceptedTaxonToSynonymHandler_CREATE_FAILED, this, e.getMessage());
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// }
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// }
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//
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// });
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return true;
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}
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@Override
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public boolean onComplete() {
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return false;
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}
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}
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