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/**
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* Copyright (C) 2014 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.operation;
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import java.util.UUID;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.NullProgressMonitor;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.jface.util.LocalSelectionTransfer;
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import org.eclipse.jface.viewers.TreeNode;
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import eu.etaxonomy.cdm.api.service.IOccurrenceService;
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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.DnaSample;
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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.DerivedUnit;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
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import eu.etaxonomy.taxeditor.editor.Messages;
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import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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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.store.CdmStore;
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/**
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* @author pplitzner
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* @date Nov 18, 2014
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*
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*/
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public class MoveDerivateOperation extends AbstractPostOperation<CdmBase> {
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private final TreeNode draggedNode;
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private TreeNode fromNode;
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private TreeNode targetNode;
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public MoveDerivateOperation(String label, IUndoContext undoContext,
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IPostOperationEnabled postOperationEnabled, TreeNode draggedNode, TreeNode targetNode) {
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super(label, undoContext, null, postOperationEnabled);
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this.draggedNode = draggedNode;
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this.targetNode = targetNode;
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}
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@Override
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public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
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DerivateView derivateView = null;
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if(getPostOperationEnabled() instanceof DerivateView){
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derivateView = (DerivateView) getPostOperationEnabled();
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}
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if(derivateView==null){
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MessagingUtils.operationDialog(this, new NullPointerException("Derivative Editor was null"), TaxeditorEditorPlugin.PLUGIN_ID, this.getLabel(), getLabel()); //$NON-NLS-1$
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return Status.CANCEL_STATUS;
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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 Status.CANCEL_STATUS;
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}
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fromNode = draggedNode.getParent();
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if(moveTreeNode(draggedNode, fromNode, targetNode)){
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//special case if derivative with no parent was moved
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if(fromNode==null && draggedNode!=null && draggedNode.getValue()!=null){
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derivateView.remove(draggedNode.getValue());
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}
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//update DerivateView
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derivateView.getConversationHolder().commit();
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LocalSelectionTransfer.getTransfer().setSelection(null);
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return postExecute(null);
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}
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else{
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MessagingUtils.warningDialog(Messages.MoveDerivateOperation_MOVE_NOT_POSSIBLE, derivateView, String.format(Messages.MoveDerivateOperation_MOVE_TO_NOT_POSSIBLE, derivateView.getLabelProvider().getDerivateText(draggedNode), derivateView.getLabelProvider().getDerivateText(targetNode)));
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}
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return Status.CANCEL_STATUS;
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}
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private boolean moveTreeNode(TreeNode draggedNode, TreeNode fromNode, TreeNode targetNode) {
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Object draggedNodeValue = draggedNode.getValue();
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Object targetNodeValue = targetNode.getValue();
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Object fromParentSpecimen = null;
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if(fromNode!=null){
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fromParentSpecimen = fromNode.getValue();
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}
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// drag'n'drop for SpecimenOrObservationBase
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IOccurrenceService occurrenceService = CdmStore.getService(IOccurrenceService.class);
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if(draggedNodeValue instanceof DerivedUnit && targetNodeValue instanceof SpecimenOrObservationBase<?>){
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DerivedUnit draggedSpecimen = (DerivedUnit) draggedNodeValue;
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SpecimenOrObservationBase<?> targetSpecimen = (SpecimenOrObservationBase<?>) targetNodeValue;
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//check if type is a sub derivate type
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if(fromNode==null || !fromNode.equals(targetNode)){//don't drag on direct parent node)
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UUID fromUuid = null;
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if(fromParentSpecimen!=null){
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fromUuid = ((SpecimenOrObservationBase<?>)fromParentSpecimen).getUuid();
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}
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return occurrenceService.moveDerivate(fromUuid,
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targetSpecimen.getUuid(),
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draggedSpecimen.getUuid()).isOk();
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}
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}
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// drag'n'drop for SingleRead
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else if(draggedNodeValue instanceof SingleRead && targetNodeValue instanceof Sequence){
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SingleRead singleRead = (SingleRead) draggedNodeValue;
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if(fromParentSpecimen instanceof Sequence){
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return CdmStore.getService(ISequenceService.class).moveSingleRead(((Sequence)fromParentSpecimen).getUuid(),
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((Sequence)targetNodeValue).getUuid(),
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singleRead.getUuid()).isOk();
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}
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}
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// drag'n'drop for Sequence
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else if(draggedNodeValue instanceof Sequence && targetNodeValue instanceof DnaSample && ((SpecimenOrObservationBase<?>) targetNodeValue).getRecordBasis()==SpecimenOrObservationType.DnaSample){
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Sequence sequence = (Sequence)draggedNodeValue;
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if(fromParentSpecimen instanceof DnaSample && ((SpecimenOrObservationBase<?>) targetNodeValue).getRecordBasis()==SpecimenOrObservationType.DnaSample){
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return occurrenceService.moveSequence(((DnaSample)fromParentSpecimen).getUuid(),
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((DnaSample)targetNodeValue).getUuid(),
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sequence.getUuid()).isOk();
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}
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}
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return false;
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}
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@Override
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public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
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//swap fromNode and targetNode
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this.targetNode = this.fromNode;
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return execute(new NullProgressMonitor(), null);
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}
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@Override
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public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
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//swap fromNode and targetNode
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this.targetNode = this.fromNode;
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return execute(new NullProgressMonitor(), null);
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}
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}
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