b863dcbe28a14aa047007dccf5189f11df1cd582
[taxeditor.git] / eu.etaxonomy.taxeditor.editor / src / main / java / eu / etaxonomy / taxeditor / editor / view / derivate / operation / MoveDerivateOperation.java
1 // $Id$
2 /**
3 * Copyright (C) 2014 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
6 *
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
9 */
10 package eu.etaxonomy.taxeditor.editor.view.derivate.operation;
11
12 import org.eclipse.core.commands.ExecutionException;
13 import org.eclipse.core.commands.operations.IUndoContext;
14 import org.eclipse.core.runtime.IAdaptable;
15 import org.eclipse.core.runtime.IProgressMonitor;
16 import org.eclipse.core.runtime.IStatus;
17 import org.eclipse.core.runtime.NullProgressMonitor;
18 import org.eclipse.core.runtime.Status;
19 import org.eclipse.jface.util.LocalSelectionTransfer;
20 import org.eclipse.jface.viewers.TreeNode;
21
22 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
23 import eu.etaxonomy.cdm.api.service.molecular.ISequenceService;
24 import eu.etaxonomy.cdm.model.common.CdmBase;
25 import eu.etaxonomy.cdm.model.molecular.DnaSample;
26 import eu.etaxonomy.cdm.model.molecular.Sequence;
27 import eu.etaxonomy.cdm.model.molecular.SingleRead;
28 import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;
29 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
30 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
31 import eu.etaxonomy.taxeditor.editor.internal.TaxeditorEditorPlugin;
32 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
33 import eu.etaxonomy.taxeditor.model.MessagingUtils;
34 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
35 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
36 import eu.etaxonomy.taxeditor.store.CdmStore;
37
38 /**
39 * @author pplitzner
40 * @date Nov 18, 2014
41 *
42 */
43 public class MoveDerivateOperation extends AbstractPostOperation<CdmBase> {
44
45 private final TreeNode draggedNode;
46 private TreeNode fromNode;
47 private TreeNode targetNode;
48
49 public MoveDerivateOperation(String label, IUndoContext undoContext,
50 IPostOperationEnabled postOperationEnabled, TreeNode draggedNode, TreeNode targetNode) {
51 super(label, undoContext, null, postOperationEnabled);
52 this.draggedNode = draggedNode;
53 this.targetNode = targetNode;
54 }
55
56 /* (non-Javadoc)
57 * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
58 */
59 @Override
60 public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
61 DerivateView derivateView = null;
62 if(getPostOperationEnabled() instanceof DerivateView){
63 derivateView = (DerivateView) getPostOperationEnabled();
64 }
65 if(derivateView==null){
66 MessagingUtils.operationDialog(this, new NullPointerException("DerivativeView was null"), TaxeditorEditorPlugin.PLUGIN_ID, this.getLabel(), getLabel());
67 return Status.CANCEL_STATUS;
68 }
69 if(derivateView.isDirty()){
70 MessagingUtils.warningDialog("View has unsaved changes", this, "You need to save before performing this action");
71 return Status.CANCEL_STATUS;
72 }
73
74 fromNode = draggedNode.getParent();
75 if(moveTreeNode(draggedNode, fromNode, targetNode)){
76 //update DerivateView
77 derivateView.getConversationHolder().commit();
78 LocalSelectionTransfer.getTransfer().setSelection(null);
79 return postExecute(null);
80 }
81 else{
82 MessagingUtils.warningDialog("Moving derivatives not possible!", derivateView, "Moving \""+derivateView.getLabelProvider().getDerivateText(draggedNode)+"\" to \""+derivateView.getLabelProvider().getDerivateText(targetNode)+"\" is not possible!");
83 }
84 return Status.CANCEL_STATUS;
85 }
86
87 private boolean moveTreeNode(TreeNode draggedNode, TreeNode fromNode, TreeNode targetNode) {
88 Object draggedNodeValue = draggedNode.getValue();
89 Object targetNodeValue = targetNode.getValue();
90 Object fromParentSpecimen = null;
91 if(fromNode!=null){
92 fromParentSpecimen = fromNode.getValue();
93 }
94
95 // drag'n'drop for SpecimenOrObservationBase
96 IOccurrenceService occurrenceService = CdmStore.getService(IOccurrenceService.class);
97 if(draggedNodeValue instanceof DerivedUnit && targetNodeValue instanceof SpecimenOrObservationBase<?>){
98 DerivedUnit draggedSpecimen = (DerivedUnit) draggedNodeValue;
99 SpecimenOrObservationBase<?> targetSpecimen = (SpecimenOrObservationBase<?>) targetNodeValue;
100 //check if type is a sub derivate type
101 if(fromParentSpecimen instanceof SpecimenOrObservationBase<?>
102 && fromNode!=null
103 && !fromNode.equals(targetNode)){//don't drag on direct parent node)
104 return occurrenceService.moveDerivate((SpecimenOrObservationBase<?>)fromParentSpecimen, targetSpecimen, draggedSpecimen);
105 }
106 }
107
108 // drag'n'drop for SingleRead
109 else if(draggedNodeValue instanceof SingleRead && targetNodeValue instanceof Sequence){
110 SingleRead singleRead = (SingleRead) draggedNodeValue;
111 if(fromParentSpecimen instanceof Sequence){
112 return CdmStore.getService(ISequenceService.class).moveSingleRead((Sequence)fromParentSpecimen, (Sequence)targetNodeValue, singleRead);
113 }
114 }
115
116 // drag'n'drop for Sequence
117 else if(draggedNodeValue instanceof Sequence && targetNodeValue instanceof DnaSample && ((SpecimenOrObservationBase<?>) targetNodeValue).getRecordBasis()==SpecimenOrObservationType.DnaSample){
118 Sequence sequence = (Sequence)draggedNodeValue;
119 if(fromParentSpecimen instanceof DnaSample && ((SpecimenOrObservationBase<?>) targetNodeValue).getRecordBasis()==SpecimenOrObservationType.DnaSample){
120 return occurrenceService.moveSequence((DnaSample)fromParentSpecimen, (DnaSample)targetNodeValue, sequence);
121 }
122 }
123 return false;
124 }
125
126
127 /* (non-Javadoc)
128 * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
129 */
130 @Override
131 public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
132 //swap fromNode and targetNode
133 this.targetNode = this.fromNode;
134 return execute(new NullProgressMonitor(), null);
135 }
136
137 /* (non-Javadoc)
138 * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
139 */
140 @Override
141 public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
142 //swap fromNode and targetNode
143 this.targetNode = this.fromNode;
144 return execute(new NullProgressMonitor(), null);
145 }
146
147 }