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comparison org.eclipse.core.databinding/src/org/eclipse/core/databinding/validation/MultiValidator.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
122 private IObservableValue unmodifiableValidationStatus; 122 private IObservableValue unmodifiableValidationStatus;
123 private WritableList targets; 123 private WritableList targets;
124 private IObservableList unmodifiableTargets; 124 private IObservableList unmodifiableTargets;
125 private IObservableList models; 125 private IObservableList models;
126 126
127 IListChangeListener targetsListener = new class() IListChangeListener { 127 IListChangeListener targetsListener;
128 class TargetsListener : IListChangeListener {
128 public void handleListChange(ListChangeEvent event) { 129 public void handleListChange(ListChangeEvent event) {
129 event.diff.accept(new class() ListDiffVisitor { 130 event.diff.accept(new class() ListDiffVisitor {
130 public void handleAdd(int index, Object element) { 131 public void handleAdd(int index, Object element) {
131 (cast(IObservable) element) 132 (cast(IObservable) element)
132 .addChangeListener(dependencyListener); 133 .addChangeListener(dependencyListener);
138 } 139 }
139 }); 140 });
140 } 141 }
141 }; 142 };
142 143
143 private IChangeListener dependencyListener = new class() IChangeListener { 144 private IChangeListener dependencyListener;
145 class DependencyListener : IChangeListener {
144 public void handleChange(ChangeEvent event) { 146 public void handleChange(ChangeEvent event) {
145 revalidate(); 147 revalidate();
146 } 148 }
147 }; 149 };
148 150
158 * 160 *
159 * @param realm 161 * @param realm
160 * the realm on which validation takes place. 162 * the realm on which validation takes place.
161 */ 163 */
162 public this(Realm realm) { 164 public this(Realm realm) {
165 targetsListener = new TargetsListener();
166 dependencyListener = new DependencyListener();
163 Assert.isNotNull(realm, "Realm cannot be null"); //$NON-NLS-1$ 167 Assert.isNotNull(realm, "Realm cannot be null"); //$NON-NLS-1$
164 this.realm = realm; 168 this.realm = realm;
165 169
166 validationStatus = new WritableValue(realm, ValidationStatus.ok(), 170 validationStatus = new WritableValue(realm, cast(Object)ValidationStatus.ok(),
167 IStatus.classinfo); 171 typeid(IStatus));
168 172
169 targets = new WritableList(realm, new ArrayList(), IObservable.classinfo); 173 targets = new WritableList(realm, new ArrayList(), typeid(IObservable));
170 targets.addListChangeListener(targetsListener); 174 targets.addListChangeListener(targetsListener);
171 unmodifiableTargets = Observables.unmodifiableObservableList(targets); 175 unmodifiableTargets = Observables.unmodifiableObservableList(targets);
172 176
173 models = Observables.emptyObservableList(realm); 177 models = Observables.emptyObservableList(realm);
174 } 178 }
175 179
176 private void checkObservable(IObservable target) { 180 private void checkObservable(IObservable target) {
177 Assert.isNotNull(target, "Target observable cannot be null"); //$NON-NLS-1$ 181 Assert.isNotNull(cast(Object)target, "Target observable cannot be null"); //$NON-NLS-1$
178 Assert 182 Assert
179 .isTrue(realm.equals(target.getRealm()), 183 .isTrue(cast(bool)realm.opEquals(target.getRealm()),
180 "Target observable must be in the same realm as MultiValidator"); //$NON-NLS-1$ 184 "Target observable must be in the same realm as MultiValidator"); //$NON-NLS-1$
181 } 185 }
182 186
183 /** 187 /**
184 * Returns an {@link IObservableValue} whose value is always the current 188 * Returns an {@link IObservableValue} whose value is always the current
203 public void run() { 207 public void run() {
204 try { 208 try {
205 IStatus status = validate(); 209 IStatus status = validate();
206 if (status is null) 210 if (status is null)
207 status = ValidationStatus.ok(); 211 status = ValidationStatus.ok();
208 validationStatus.setValue(status); 212 validationStatus.setValue(cast(Object)status);
209 } catch (RuntimeException e) { 213 } catch (RuntimeException e) {
210 // Usually an NPE as dependencies are 214 // Usually an NPE as dependencies are
211 // init'ed 215 // init'ed
212 validationStatus.setValue(ValidationStatus.error(e 216 validationStatus.setValue(cast(Object)ValidationStatus.error(e
213 .getMessage(), e)); 217 .getMessage(), e));
214 } 218 }
215 } 219 }
216 }, null, null); 220 }, null, null);
217 ObservableTracker.runAndIgnore(new class() Runnable { 221 ObservableTracker.runAndIgnore(new class() Runnable {