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comparison org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/observable/ValidatedObservableList.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 0a55d2d5a946
children
comparison
equal deleted inserted replaced
84:fcf926c91ca4 85:6be48cf9f95c
51 // True when validaton status changes from invalid to valid. 51 // True when validaton status changes from invalid to valid.
52 private bool computeNextDiff = false; 52 private bool computeNextDiff = false;
53 53
54 private bool updatingTarget = false; 54 private bool updatingTarget = false;
55 55
56 private IListChangeListener targetChangeListener = new class() IListChangeListener { 56 private IListChangeListener targetChangeListener;
57 class TargetChangeListener : IListChangeListener {
57 public void handleListChange(ListChangeEvent event) { 58 public void handleListChange(ListChangeEvent event) {
58 if (updatingTarget) 59 if (updatingTarget)
59 return; 60 return;
60 IStatus status = cast(IStatus) validationStatus.getValue(); 61 IStatus status = cast(IStatus) validationStatus.getValue();
61 if (isValid(status)) { 62 if (isValid(status)) {
81 82
82 private static bool isValid(IStatus status) { 83 private static bool isValid(IStatus status) {
83 return status.isOK() || status.matches(IStatus.INFO | IStatus.WARNING); 84 return status.isOK() || status.matches(IStatus.INFO | IStatus.WARNING);
84 } 85 }
85 86
86 private IStaleListener targetStaleListener = new class() IStaleListener { 87 private IStaleListener targetStaleListener;
88 class TargetStaleListener : IStaleListener {
87 public void handleStale(StaleEvent staleEvent) { 89 public void handleStale(StaleEvent staleEvent) {
88 fireStale(); 90 fireStale();
89 } 91 }
90 }; 92 };
91 93
92 private IValueChangeListener validationStatusChangeListener = new class() IValueChangeListener { 94 private IValueChangeListener validationStatusChangeListener;
95 class ValidationStatusChangeListener : IValueChangeListener {
93 public void handleValueChange(ValueChangeEvent event) { 96 public void handleValueChange(ValueChangeEvent event) {
94 IStatus oldStatus = cast(IStatus) event.diff.getOldValue(); 97 IStatus oldStatus = cast(IStatus) event.diff.getOldValue();
95 IStatus newStatus = cast(IStatus) event.diff.getNewValue(); 98 IStatus newStatus = cast(IStatus) event.diff.getNewValue();
96 if (stale && !isValid(oldStatus) && isValid(newStatus)) { 99 if (stale && !isValid(oldStatus) && isValid(newStatus)) {
97 // this.stale means we are out of sync with target, 100 // this.stale means we are out of sync with target,
110 * @param target 113 * @param target
111 * @param validationStatus 114 * @param validationStatus
112 */ 115 */
113 public this(IObservableList target, 116 public this(IObservableList target,
114 IObservableValue validationStatus) { 117 IObservableValue validationStatus) {
118 targetStaleListener = new TargetStaleListener();
119 targetChangeListener = new TargetChangeListener();
120 validationStatusChangeListener = new ValidationStatusChangeListener();
115 super(target.getRealm(), new ArrayList(target), target.getElementType()); 121 super(target.getRealm(), new ArrayList(target), target.getElementType());
116 Assert.isNotNull(validationStatus, 122 Assert.isNotNull(cast(Object)validationStatus,
117 "Validation status observable cannot be null"); //$NON-NLS-1$ 123 "Validation status observable cannot be null"); //$NON-NLS-1$
118 Assert 124 Assert
119 .isTrue(target.getRealm().equals(validationStatus.getRealm()), 125 .isTrue(cast(bool)target.getRealm().opEquals(validationStatus.getRealm()),
120 "Target and validation status observables must be on the same realm"); //$NON-NLS-1$ 126 "Target and validation status observables must be on the same realm"); //$NON-NLS-1$
121 this.target = target; 127 this.target = target;
122 this.validationStatus = validationStatus; 128 this.validationStatus = validationStatus;
123 target.addListChangeListener(targetChangeListener); 129 target.addListChangeListener(targetChangeListener);
124 target.addStaleListener(targetStaleListener); 130 target.addStaleListener(targetStaleListener);
250 final ListIterator wrappedIterator = wrappedList.listIterator(index); 256 final ListIterator wrappedIterator = wrappedList.listIterator(index);
251 return new class() ListIterator { 257 return new class() ListIterator {
252 int lastIndex = -1; 258 int lastIndex = -1;
253 Object last = null; 259 Object last = null;
254 260
261 public void add(String o) {
262 add(stringcast(o));
263 }
255 public void add(Object o) { 264 public void add(Object o) {
256 wrappedIterator.add(o); 265 wrappedIterator.add(o);
257 lastIndex = previousIndex(); 266 lastIndex = previousIndex();
258 ListDiff diff = Diffs.createListDiff(Diffs.createListDiffEntry( 267 ListDiff diff = Diffs.createListDiff(Diffs.createListDiffEntry(
259 lastIndex, true, o)); 268 lastIndex, true, o));
313 public Object move(int oldIndex, int newIndex) { 322 public Object move(int oldIndex, int newIndex) {
314 checkRealm(); 323 checkRealm();
315 int size = wrappedList.size(); 324 int size = wrappedList.size();
316 if (oldIndex >= size) 325 if (oldIndex >= size)
317 throw new IndexOutOfBoundsException( 326 throw new IndexOutOfBoundsException(
318 "oldIndex: " + oldIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$ 327 Format("oldIndex: {}, size:{}", oldIndex, size)); //$NON-NLS-1$ //$NON-NLS-2$
319 if (newIndex >= size) 328 if (newIndex >= size)
320 throw new IndexOutOfBoundsException( 329 throw new IndexOutOfBoundsException(
321 "newIndex: " + newIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$ 330 Format("newIndex: {}, size:{}", newIndex, size)); //$NON-NLS-1$ //$NON-NLS-2$
322 if (oldIndex is newIndex) 331 if (oldIndex is newIndex)
323 return wrappedList.get(oldIndex); 332 return wrappedList.get(oldIndex);
324 Object element = wrappedList.remove(oldIndex); 333 Object element = wrappedList.remove(oldIndex);
325 wrappedList.add(newIndex, element); 334 wrappedList.add(newIndex, element);
326 ListDiff diff = Diffs.createListDiff(Diffs.createListDiffEntry( 335 ListDiff diff = Diffs.createListDiff(Diffs.createListDiffEntry(