3 * Copyright (C) 2007 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
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.
11 package eu
.etaxonomy
.taxeditor
.bulkeditor
.referencingobjects
;
13 import java
.util
.ArrayList
;
14 import java
.util
.Collections
;
15 import java
.util
.Comparator
;
16 import java
.util
.List
;
19 import org
.apache
.log4j
.Logger
;
20 import org
.eclipse
.core
.runtime
.IProgressMonitor
;
21 import org
.eclipse
.core
.runtime
.IStatus
;
22 import org
.eclipse
.core
.runtime
.Status
;
23 import org
.eclipse
.core
.runtime
.jobs
.Job
;
24 import org
.eclipse
.jface
.viewers
.ISelection
;
25 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
26 import org
.eclipse
.jface
.viewers
.TableViewer
;
27 import org
.eclipse
.jface
.viewers
.TableViewerColumn
;
28 import org
.eclipse
.jface
.viewers
.Viewer
;
29 import org
.eclipse
.swt
.SWT
;
30 import org
.eclipse
.swt
.widgets
.Composite
;
31 import org
.eclipse
.swt
.widgets
.Display
;
32 import org
.eclipse
.swt
.widgets
.Table
;
33 import org
.eclipse
.ui
.ISelectionListener
;
34 import org
.eclipse
.ui
.IWorkbenchPart
;
36 import eu
.etaxonomy
.cdm
.api
.conversation
.ConversationHolder
;
37 import eu
.etaxonomy
.cdm
.model
.common
.CdmBase
;
38 import eu
.etaxonomy
.cdm
.model
.common
.IdentifiableEntity
;
39 import eu
.etaxonomy
.taxeditor
.bulkeditor
.BulkEditor
;
40 import eu
.etaxonomy
.taxeditor
.model
.AbstractCdmViewPart
;
41 import eu
.etaxonomy
.taxeditor
.model
.DescriptionHelper
;
42 import eu
.etaxonomy
.taxeditor
.model
.LineSelection
;
43 import eu
.etaxonomy
.taxeditor
.store
.CdmStore
;
46 * <p>ReferencingObjectsView class.</p>
52 public class ReferencingObjectsView
extends AbstractCdmViewPart
implements ISelectionListener
{
53 private static final Logger logger
= Logger
54 .getLogger(ReferencingObjectsView
.class);
56 /** Constant <code>ID="eu.etaxonomy.taxeditor.bulkeditor.refer"{trunked}</code> */
57 public static final String ID
= "eu.etaxonomy.taxeditor.bulkeditor.referencingobjectsview";
59 private TableViewer viewer
;
61 private CdmBase referencedObject
;
64 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#createViewer(org.eclipse.swt.widgets.Composite)
68 public void createViewer(Composite parent
) {
69 selectionService
.addSelectionListener(this);
71 viewer
= new TableViewer(parent
, SWT
.MULTI
| SWT
.H_SCROLL
72 | SWT
.V_SCROLL
| SWT
.FULL_SELECTION
);
73 createColumns(viewer
);
74 viewer
.setContentProvider(new ReferencingObjectsContentProvider());
75 viewer
.setLabelProvider(new ReferencingObjectsLabelProvider());
76 // viewer.setInput(new ArrayList<CdmBase>());
80 * Create the columns for the table
83 private void createColumns(TableViewer viewer
) {
84 Table table
= viewer
.getTable();
85 String
[] titles
= {"Class", "Description", "UUID", "Object ID" };
86 int[] bounds
= { 100, 200, 100, 70};
88 for (int i
= 0; i
< titles
.length
; i
++) {
89 TableViewerColumn column
= new TableViewerColumn(viewer
, SWT
.NONE
);
90 column
.getColumn().setText(titles
[i
]);
91 column
.getColumn().setWidth(bounds
[i
]);
92 column
.getColumn().setResizable(true);
93 column
.getColumn().setMoveable(true);
95 table
.setHeaderVisible(true);
96 table
.setLinesVisible(true);
100 * <p>updateReferencingObjects</p>
102 * @param entity a {@link eu.etaxonomy.cdm.model.common.IdentifiableEntity} object.
104 public void updateReferencingObjects(final IdentifiableEntity entity
) {
106 final Display display
= Display
.getCurrent();
108 Job job
= new Job("Update Referencing Objects") {
111 protected IStatus
run(IProgressMonitor monitor
) {
112 monitor
.beginTask("Calculating referencing objects", 10);
116 display
.asyncExec(new Runnable() {
120 ConversationHolder conversation
= CdmStore
.createConversation();
121 List
<CdmBase
> referencingObjects
= getReferencingObjects(entity
);
122 updateView(referencingObjects
);
123 conversation
.close();
130 return Status
.OK_STATUS
;
134 job
.setPriority(Job
.DECORATE
);
138 private List
<CdmBase
> getReferencingObjects(Object entity
) {
140 if(entity
instanceof CdmBase
){
141 referencedObject
= (CdmBase
) entity
;
142 Set
<CdmBase
> setOfReferencingObjects
= CdmStore
.getCommonService().getReferencingObjects(referencedObject
);
144 List
<CdmBase
> referencingObjects
= new ArrayList
<CdmBase
>(setOfReferencingObjects
);
146 Collections
.sort(referencingObjects
, new ReferencingClassComparator());
148 return referencingObjects
;
150 } catch (Exception e
) {
151 logger
.error("Error retrieving referencing objects", e
);
156 class ReferencingClassComparator
implements Comparator
<CdmBase
> {
159 * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
161 public int compare(CdmBase o1
, CdmBase o2
) {
162 String string1
= o1
.getClass().getSimpleName();
163 String string2
= o2
.getClass().getSimpleName();
164 int classCompare
= string1
.compareToIgnoreCase(string2
);
165 if (classCompare
== 0) {
166 string1
= DescriptionHelper
.getObjectDescription(o1
);
167 string2
= DescriptionHelper
.getObjectDescription(o2
);
168 return string1
.compareToIgnoreCase(string2
);
178 private void updateView(List
<CdmBase
> referencingObjects
) {
179 viewer
.setInput(referencingObjects
);
180 setContentDescription("'" + referencedObject
+ "' is referenced by:");
185 public void selectionChanged(IWorkbenchPart part
, ISelection selection
) {
186 if(! (part
instanceof BulkEditor
)){
187 setContentDescription("");
192 if(! (selection
instanceof LineSelection
)){
195 LineSelection lineSelection
= (LineSelection
) selection
;
197 if(lineSelection
.size() != 1){
201 if(! (lineSelection
.getFirstElement() instanceof IdentifiableEntity
)){
205 showViewer(part
, lineSelection
);
209 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#showViewer(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
213 public void showViewer(IWorkbenchPart part
, ISelection selection
) {
216 IStructuredSelection structuredSelection
= (IStructuredSelection
) selection
;
218 updateReferencingObjects((IdentifiableEntity
) structuredSelection
.getFirstElement());
223 public void dispose() {
224 selectionService
.removePostSelectionListener(this);
225 selectionService
.removeSelectionListener(this);
230 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getViewer()
234 public Viewer
getViewer() {
239 * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#dirtyStateChanged()
243 public void changed(Object object
) {
244 // no editing in this view
248 * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#onComplete()
252 public boolean onComplete() {