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/**
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*
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*/
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package eu.etaxonomy.taxeditor.editor.view.descriptive.e4.handler;
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import java.util.ArrayList;
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import java.util.List;
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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.core.di.annotations.Execute;
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import org.eclipse.e4.core.di.annotations.Optional;
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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.model.application.ui.menu.MMenuItem;
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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.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.PartInitException;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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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.TaxonDescription;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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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.editor.MultiPageTaxonEditor;
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import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
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import eu.etaxonomy.taxeditor.editor.l10n.Messages;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.e4.FactualDataPartE4;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.MoveDescriptionToOtherTaxonOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
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import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
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/**
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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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*/
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public class MoveDescriptionToOtherTaxonHandler implements IPostOperationEnabled {
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private MoveDescriptionToOtherTaxonOperation operation;
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private UUID newAcceptedTaxonNodeUuid;
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private MultiPageTaxonEditor editor;
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart activePart,
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@Optional@Named(IServiceConstants.ACTIVE_SELECTION) TaxonDescription description,
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@Named(IServiceConstants.ACTIVE_SHELL)Shell shell, MMenuItem menuItem) {
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FactualDataPartE4 factualDataPart = (FactualDataPartE4) activePart.getObject();
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Object e4WrappedPart = WorkbenchUtility.getE4WrappedPart(factualDataPart.getSelectionProvidingPart());
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if(e4WrappedPart instanceof MultiPageTaxonEditor){
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editor = (MultiPageTaxonEditor) e4WrappedPart;
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if (this.editor.isDirty()){
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boolean proceed = MessageDialog.openQuestion(null,
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Messages.MoveDescriptionToOtherTaxonHandler_SAVE_CHANGES, Messages.MoveDescriptionToOtherTaxonHandler_SAVE_CHANGES_MESSAGE);
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if (proceed) {
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editor.doSave(AbstractUtility.getMonitor());
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} else {
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return;
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}
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}
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}
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List<TaxonDescription> descriptions = new ArrayList<TaxonDescription>();
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descriptions.add(description);
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// Choose the target taxon
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List<UUID> excludeTaxa = new ArrayList<UUID>();
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excludeTaxa.add(descriptions.get(0).getTaxon().getUuid());
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//get current taxon node
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TaxonNode node = null;
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Classification classification = null;
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MultiPageTaxonEditor taxonEditor = EditorUtil.getActiveMultiPageTaxonEditor();
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if(taxonEditor!=null){
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node = ((TaxonEditorInput) taxonEditor.getEditorInput()).getTaxonNode();
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classification = node.getClassification();
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}
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TaxonNode newAcceptedTaxonNode = TaxonNodeSelectionDialog.select(shell,
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editor.getConversationHolder(),
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Messages.MoveDescriptionToOtherTaxonHandler_CHOOSE_ACC_TAXON,
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excludeTaxa,
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node,
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classification);
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if (newAcceptedTaxonNode == null) {
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return ;
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}
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newAcceptedTaxonNodeUuid = newAcceptedTaxonNode.getUuid();
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for(TaxonDescription taxonDescription : descriptions){
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operation = new MoveDescriptionToOtherTaxonOperation(menuItem.getLocalizedLabel(),
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editor.getUndoContext(),
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taxonDescription,
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newAcceptedTaxonNode,
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this,
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editor,
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(ICdmEntitySessionEnabled)editor.getEditorInput());
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AbstractUtility.executeOperation(operation);
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}
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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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Display.getDefault().asyncExec(new Runnable(){
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@Override
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public void run() {
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AbstractUtility.close(editor);
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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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AbstractUtility.close(possibleOpenEditor);
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}
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EditorUtil.openTaxonNode(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.MoveDescriptionToOtherTaxonHandler_CREATE_FAILED, this, e.getMessage());
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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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@CanExecute
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public boolean canExecute(@Optional @Named(IServiceConstants.ACTIVE_PART) MPart activePart,
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MHandledMenuItem menuItem){
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boolean canExecute = false;
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FactualDataPartE4 factualDataPart = (FactualDataPartE4) activePart.getObject();
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Object e4WrappedPart = WorkbenchUtility.getE4WrappedPart(factualDataPart.getSelectionProvidingPart());
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if(e4WrappedPart instanceof MultiPageTaxonEditor){
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ISelection selection = factualDataPart.getViewer().getSelection();
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if(selection instanceof IStructuredSelection){
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Object firstElement = ((IStructuredSelection) selection).getFirstElement();
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canExecute = firstElement instanceof FeatureNodeContainer
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|| firstElement instanceof DescriptionElementBase
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|| firstElement instanceof DescriptionBase;
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menuItem.setVisible(canExecute);
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}
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}
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return canExecute;
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}
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}
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