2 * Copyright (C) 2007 EDIT
3 * European Distributed Institute of Taxonomy
4 * http://www.e-taxonomy.eu
6 * The contents of this file are subject to the Mozilla Public License Version 1.1
7 * See LICENSE.TXT at the top of this package for the full license terms.
10 package eu
.etaxonomy
.taxeditor
.navigation
.navigator
;
12 import java
.util
.HashSet
;
15 import org
.eclipse
.core
.runtime
.IProgressMonitor
;
16 import org
.eclipse
.core
.runtime
.IStatus
;
17 import org
.eclipse
.core
.runtime
.Status
;
18 import org
.eclipse
.core
.runtime
.jobs
.Job
;
19 import org
.eclipse
.swt
.widgets
.Display
;
20 import org
.eclipse
.ui
.IEditorPart
;
22 import eu
.etaxonomy
.cdm
.hibernate
.HibernateProxyHelper
;
23 import eu
.etaxonomy
.cdm
.model
.common
.CdmBase
;
24 import eu
.etaxonomy
.cdm
.model
.name
.TaxonNameBase
;
25 import eu
.etaxonomy
.cdm
.model
.taxon
.ITaxonTreeNode
;
26 import eu
.etaxonomy
.cdm
.model
.taxon
.Taxon
;
27 import eu
.etaxonomy
.cdm
.persistence
.hibernate
.CdmDataChangeEvent
;
28 import eu
.etaxonomy
.cdm
.persistence
.hibernate
.CdmDataChangeEvent
.EventType
;
29 import eu
.etaxonomy
.cdm
.persistence
.hibernate
.CdmDataChangeMap
;
30 import eu
.etaxonomy
.taxeditor
.model
.AbstractDataChangeBehaviour
;
31 import eu
.etaxonomy
.taxeditor
.model
.IDataChangeBehavior
;
32 import eu
.etaxonomy
.taxeditor
.navigation
.NavigationUtil
;
35 * <p>TaxonNavigatorDataChangeBehavior class.</p>
41 public class TaxonNavigatorDataChangeBehavior
extends AbstractDataChangeBehaviour
implements
44 private final TaxonNavigator source
;
46 private Set
<CdmBase
> staleObjects
;
49 * <p>Constructor for TaxonNavigatorDataChangeBehavior.</p>
51 * @param taxonNavigator a {@link eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigator} object.
53 public TaxonNavigatorDataChangeBehavior(TaxonNavigator taxonNavigator
) {
54 source
= taxonNavigator
;
58 * @see eu.etaxonomy.taxeditor.store.model.IDataChangeBehavior#isRelevant(java.lang.Object, eu.etaxonomy.cdm.persistence.hibernate.CdmCrudEvent)
63 * @param events a {@link eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap} object.
66 public boolean isRelevant(CdmDataChangeMap events
) {
68 // TODO react only on insert/update/delete of taxon and synonym objects
69 // and on update of name objects
70 boolean relevant
= false;
71 staleObjects
= new HashSet
<CdmBase
>();
73 for(CdmDataChangeEvent event
: events
.getAllEvents()){
74 EventType eventType
= event
.getEventType();
75 CdmBase eventEntity
= event
.getEntity();
77 Set
<CdmBase
> affectedObjects
= event
.getAffectedObjects();
78 if(affectedObjects
!= null) {
79 for(CdmBase cb
: affectedObjects
) {
80 staleObjects
.add((CdmBase
)HibernateProxyHelper
.deproxy(cb
));
84 // all tree node changes are relevant
85 if((eventType
== EventType
.INSERT
|| eventType
== EventType
.DELETE
|| eventType
== EventType
.UPDATE
)
86 && event
.getEntity() instanceof ITaxonTreeNode
){
90 // name updates of the accepted taxon of open editors are relevant
91 if(eventType
== EventType
.UPDATE
&& event
.getEntity() instanceof TaxonNameBase
){
92 TaxonNameBase name
= null;
93 if(eventEntity
instanceof TaxonNameBase
){
94 name
= (TaxonNameBase
) eventEntity
;
95 }else if(eventEntity
instanceof Taxon
){
96 name
= ((Taxon
) eventEntity
).getName();
101 Set
<IEditorPart
> openEditors
= NavigationUtil
.getOpenEditors();
102 /*for(IEditorPart editor : openEditors){
104 if(name.equals(((TaxonEditorInput) editor.getEditorInput()).getTaxon().getName())){
109 if (eventType
== EventType
.DELETE
){
115 if(eventType
== EventType
.UPDATE
&& event
.getEntity() instanceof Taxon
){
116 TaxonNameBase name
= null;
117 if(eventEntity
instanceof Taxon
){
118 name
= ((Taxon
) eventEntity
).getName();
123 // Set<IEditorPart> openEditors = NavigationUtil.getOpenEditors();
124 /*for(IEditorPart editor : openEditors){
126 if(name.equals(((TaxonEditorInput) editor.getEditorInput()).getTaxon().getName())){
132 // if(eventType == EventType.UPDATE){
134 // CdmBase entity = event.getEntity();
135 // if((entity instanceof TaxonNameBase)
136 // || (entity instanceof Taxon)
137 // || (entity instanceof Synonym)){
138 // staleObjects.add(entity);
146 // react on everything except load
147 // if(events.sizeByEventType(EventType.INSERT) > 0){
149 // }else if(events.sizeByEventType(EventType.UPDATE) > 0){
151 // }else if(events.sizeByEventType(EventType.DELETE) > 0){
159 * @see eu.etaxonomy.taxeditor.store.model.IDataChangeBehavior#reactOnDataChange(java.lang.Object, eu.etaxonomy.cdm.persistence.hibernate.CdmCrudEvent)
163 public void reactOnDataChange(CdmDataChangeMap events
) {
164 if(isRelevant(events
)){
166 final Display display
= Display
.getCurrent();
167 Job job
= new Job("Updating Taxon Navigator") {
170 protected IStatus
run(IProgressMonitor monitor
) {
171 monitor
.beginTask("Updating Taxon Navigator", 3);
174 // clear the session completely
175 monitor
.subTask("Clearing Taxon Navigators session");
176 display
.asyncExec(new Runnable() {
179 source
.getConversationHolder().clear();
182 // FIXME completely clearing the session is a brute force approach.
183 // It would be much more elegant to clear only those elements that have been changed.
184 // I could not get that to work but we should consider workin on this because we might
185 // run into serious performance issues, especially when it comes to large trees
187 // at least, we moved this to a job so it can run in a background thred
188 // seems to improve the situation but not sure if final solution
191 monitor
.subTask("Refreshing viewer");
193 display
.asyncExec(new Runnable() {
196 if(staleObjects
!= null && staleObjects
.size() > 0) {
197 source
.refresh(staleObjects
);
208 return Status
.OK_STATUS
;
212 job
.setPriority(Job
.SHORT
);