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comparison org.eclipse.core.databinding/src/org/eclipse/core/databinding/ListBinding.d @ 85:6be48cf9f95c

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Work on databinding
author Frank Benoit <benoit@tionex.de>
date Sat, 18 Apr 2009 13:54:50 +0200
parents 383ce7bd736b
children 9e0ab372d5d8
comparison
equal deleted inserted replaced
84:fcf926c91ca4 85:6be48cf9f95c
41 private UpdateListStrategy modelToTarget; 41 private UpdateListStrategy modelToTarget;
42 private IObservableValue validationStatusObservable; 42 private IObservableValue validationStatusObservable;
43 private bool updatingTarget; 43 private bool updatingTarget;
44 private bool updatingModel; 44 private bool updatingModel;
45 45
46 private IListChangeListener targetChangeListener = new class() IListChangeListener { 46 private IListChangeListener targetChangeListener;
47 private class TargetChangeListener : IListChangeListener {
47 public void handleListChange(ListChangeEvent event) { 48 public void handleListChange(ListChangeEvent event) {
48 if (!updatingTarget) { 49 if (!updatingTarget) {
49 doUpdate(cast(IObservableList) getTarget(), 50 doUpdate(cast(IObservableList) getTarget(),
50 cast(IObservableList) getModel(), event.diff, 51 cast(IObservableList) getModel(), event.diff,
51 targetToModel, false, false); 52 targetToModel, false, false);
52 } 53 }
53 } 54 }
54 }; 55 }
55 private IListChangeListener modelChangeListener = new class() IListChangeListener { 56 private IListChangeListener modelChangeListener;
57 class ModelChangeListener : IListChangeListener {
56 public void handleListChange(ListChangeEvent event) { 58 public void handleListChange(ListChangeEvent event) {
57 if (!updatingModel) { 59 if (!updatingModel) {
58 doUpdate(cast(IObservableList) getModel(), 60 doUpdate(cast(IObservableList) getModel(),
59 cast(IObservableList) getTarget(), event.diff, 61 cast(IObservableList) getTarget(), event.diff,
60 modelToTarget, false, false); 62 modelToTarget, false, false);
69 * @param targetToModelStrategy 71 * @param targetToModelStrategy
70 */ 72 */
71 public this(IObservableList target, IObservableList model, 73 public this(IObservableList target, IObservableList model,
72 UpdateListStrategy targetToModelStrategy, 74 UpdateListStrategy targetToModelStrategy,
73 UpdateListStrategy modelToTargetStrategy) { 75 UpdateListStrategy modelToTargetStrategy) {
76 targetChangeListener = new TargetChangeListener();
77 modelChangeListener = new ModelChangeListener();
74 super(target, model); 78 super(target, model);
75 this.targetToModel = targetToModelStrategy; 79 this.targetToModel = targetToModelStrategy;
76 this.modelToTarget = modelToTargetStrategy; 80 this.modelToTarget = modelToTargetStrategy;
77 if ((targetToModel.getUpdatePolicy() & UpdateValueStrategy.POLICY_UPDATE) !is 0) { 81 if ((targetToModel.getUpdatePolicy() & UpdateValueStrategy.POLICY_UPDATE) !is 0) {
78 target.addListChangeListener(targetChangeListener); 82 target.addListChangeListener(targetChangeListener);
90 return validationStatusObservable; 94 return validationStatusObservable;
91 } 95 }
92 96
93 protected void preInit() { 97 protected void preInit() {
94 validationStatusObservable = new WritableValue(context 98 validationStatusObservable = new WritableValue(context
95 .getValidationRealm(), Status.OK_STATUS, IStatus.classinfo); 99 .getValidationRealm(), cast(Object)Status.OK_STATUS, typeid(IStatus));
96 } 100 }
97 101
98 protected void postInit() { 102 protected void postInit() {
99 if (modelToTarget.getUpdatePolicy() is UpdateListStrategy.POLICY_UPDATE) { 103 if (modelToTarget.getUpdatePolicy() is UpdateListStrategy.POLICY_UPDATE) {
100 updateModelToTarget(); 104 updateModelToTarget();
166 ListDiffEntry[] diffEntries = diff_.getDifferences(); 170 ListDiffEntry[] diffEntries = diff_.getDifferences();
167 for (int i = 0; i < diffEntries.length; i++) { 171 for (int i = 0; i < diffEntries.length; i++) {
168 ListDiffEntry listDiffEntry = diffEntries[i]; 172 ListDiffEntry listDiffEntry = diffEntries[i];
169 if (listDiffEntry.isAddition()) { 173 if (listDiffEntry.isAddition()) {
170 IStatus setterStatus = updateListStrategy_ 174 IStatus setterStatus = updateListStrategy_
171 .doAdd( 175 .doAdd_package(
172 destination_, 176 destination_,
173 updateListStrategy_ 177 updateListStrategy_
174 .convert(listDiffEntry 178 .convert(listDiffEntry
175 .getElement()), 179 .getElement()),
176 listDiffEntry.getPosition()); 180 listDiffEntry.getPosition());
178 mergeStatus(multiStatus, setterStatus); 182 mergeStatus(multiStatus, setterStatus);
179 // TODO - at this point, the two lists 183 // TODO - at this point, the two lists
180 // will be out of sync if an error occurred... 184 // will be out of sync if an error occurred...
181 } else { 185 } else {
182 IStatus setterStatus = updateListStrategy_ 186 IStatus setterStatus = updateListStrategy_
183 .doRemove(destination_, 187 .doRemove_package(destination_,
184 listDiffEntry.getPosition()); 188 listDiffEntry.getPosition());
185 189
186 mergeStatus(multiStatus, setterStatus); 190 mergeStatus(multiStatus, setterStatus);
187 // TODO - at this point, the two lists 191 // TODO - at this point, the two lists
188 // will be out of sync if an error occurred... 192 // will be out of sync if an error occurred...