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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.derivate.handler;
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import java.util.Iterator;
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import javax.inject.Named;
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import org.eclipse.core.commands.ParameterizedCommand;
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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.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.services.IServiceConstants;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.TreeNode;
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import eu.etaxonomy.cdm.api.service.DeleteResult;
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import eu.etaxonomy.cdm.api.service.IOccurrenceService;
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import eu.etaxonomy.cdm.api.service.config.SpecimenDeleteConfigurator;
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import eu.etaxonomy.cdm.api.service.molecular.ISequenceService;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.molecular.Sequence;
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import eu.etaxonomy.cdm.model.molecular.SingleRead;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.taxeditor.editor.AppModelId;
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import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
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import eu.etaxonomy.taxeditor.editor.l10n.Messages;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
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import eu.etaxonomy.taxeditor.event.EventUtility;
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import eu.etaxonomy.taxeditor.event.WorkbenchEventConstants;
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import eu.etaxonomy.taxeditor.model.DeleteResultMessagingUtils;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.dialog.configurator.deleteConfigurator.DeleteConfiguratorDialog;
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/**
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*
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* @author pplitzner
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* @date Oct 21, 2014
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*
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*/
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public class DeleteDerivateHandler {
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private SpecimenDeleteConfigurator deleteConfigurator;
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part,
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@Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection,
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ParameterizedCommand command) {
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deleteConfigurator = new SpecimenDeleteConfigurator();
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if(command.getId().equals(AppModelId.COMMAND_EU_ETAXONOMY_TAXEDITOR_EDITOR_DERIVATE_DEEPDELETE)){
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deleteConfigurator.setDeleteChildren(true);
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}
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DerivateView derivateView = (DerivateView) part.getObject();
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String confirmationQuestion = Messages.DeleteDerivateOperation_REALLY_DELETE;
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if(deleteConfigurator.isDeleteChildren()){
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confirmationQuestion += Messages.DeleteDerivateOperation_AND_CHILDREN;
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}
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if(derivateView.isDirty()){
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MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
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return;
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}
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confirmationQuestion += "?"; //$NON-NLS-1$
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if(!DeleteConfiguratorDialog.openConfirmWithConfigurator(deleteConfigurator, null, Messages.DeleteDerivateOperation_CONFIRM, confirmationQuestion)){
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return;
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}
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for(Iterator iter = selection.iterator();iter.hasNext();){
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Object object = iter.next();
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if(object instanceof TreeNode){
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delete((TreeNode)object, derivateView);
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}
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}
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}
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private void delete(TreeNode treeNode, DerivateView derivateView){
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Object value = treeNode.getValue();
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IStatus allowStatus = allowOperations(treeNode);
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if(allowStatus.isOK()) {
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DeleteResult deleteResult;
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if(value instanceof SingleRead
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&& treeNode.getParent()!=null
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&& treeNode.getParent().getValue() instanceof Sequence){
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deleteResult = CdmStore.getService(ISequenceService.class).deleteSingleRead(((SingleRead)value).getUuid(),
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((Sequence) treeNode.getParent().getValue()).getUuid());
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} else if(value instanceof Sequence){
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deleteResult = CdmStore.getService(ISequenceService.class).delete(((Sequence) value).getUuid());
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} else {
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deleteResult = CdmStore.getService(IOccurrenceService.class).delete(((CdmBase) value).getUuid(), deleteConfigurator);
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}
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if (!deleteResult.isOk()) {
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MessagingUtils.warningDialog(Messages.DeleteDerivateOperation_DELETE_FAILED, this, deleteResult.toString());
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return ;
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}
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//broadcast delete result
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EventUtility.postEvent(WorkbenchEventConstants.DELETE_DERIVATIVE, deleteResult);
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if(derivateView.postOperation(null)){
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derivateView.remove(treeNode);
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}
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}
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}
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public IStatus allowOperations(TreeNode treeNode) {
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DeleteResult deleteResult;
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Object value = treeNode.getValue();
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if(value instanceof SpecimenOrObservationBase<?> || value instanceof Sequence || value instanceof SingleRead){
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if (value instanceof Sequence || value instanceof SingleRead){
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deleteResult = CdmStore.getService(ISequenceService.class).isDeletable(((CdmBase)value).getUuid(), deleteConfigurator);
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} else{
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deleteResult = CdmStore.getService(IOccurrenceService.class).isDeletable(((CdmBase)value).getUuid(), deleteConfigurator);
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}
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if (deleteResult.isOk() || deleteResult.getExceptions().isEmpty()){ return Status.OK_STATUS;}
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else{
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if (!deleteResult.isOk()){
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DeleteResultMessagingUtils.messageDialogWithDetails(deleteResult, Messages.DeleteDerivateOperation_DELETE_FAILED, TaxeditorEditorPlugin.PLUGIN_ID);
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} else {
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if (!deleteResult.getExceptions().isEmpty()){
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DeleteResultMessagingUtils.messageDialogWithDetails(deleteResult, Messages.DeleteDerivateHandler_SUCCESSFULL_BUT_EXCEPTIONS, TaxeditorEditorPlugin.PLUGIN_ID);
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}
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}
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return Status.CANCEL_STATUS;
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}
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}
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return Status.CANCEL_STATUS;
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}
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@CanExecute
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public boolean canExecute(@Optional @Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection,
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MHandledMenuItem menuItem){
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boolean canExecute = false;
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canExecute = selection!=null && !selection.isEmpty();
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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