| /******************************************************************************* |
| * Copyright (c) 2008, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Boris Bokowski - initial API and implementation (bug 218269) |
| * Matthew Hall - bugs 218269, 146906 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.databinding; |
| |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.runtime.IStatus; |
| |
| /** |
| * A validation status provider tracks the state of zero or more target |
| * observables and zero or more model observables and produces a validation |
| * result. |
| * |
| * @since 1.1 |
| * |
| */ |
| public abstract class ValidationStatusProvider { |
| |
| protected boolean disposed = false; |
| |
| /** |
| * @return an {@link IObservableValue}< {@link IStatus} > containing |
| * the current validation status |
| */ |
| public abstract IObservableValue getValidationStatus(); |
| |
| /** |
| * Returns an {@link IObservableList} < {@link IObservable} > |
| * containing the target observables (if any) that are being tracked by this |
| * validation status provider. |
| * |
| * @return an {@link IObservableList} < {@link IObservable} > (may be |
| * empty) |
| */ |
| public abstract IObservableList getTargets(); |
| |
| /** |
| * Returns an {@link IObservableList} < {@link IObservable} > |
| * containing the model observables (if any) that are being tracked by this |
| * validation status provider. |
| * |
| * @return an {@link IObservableList} < {@link IObservable} > (may be |
| * empty) |
| */ |
| public abstract IObservableList getModels(); |
| |
| /** |
| * Disposes of this ValidationStatusProvider. Subclasses may extend, but |
| * must call super.dispose(). |
| */ |
| public void dispose() { |
| disposed = true; |
| } |
| |
| /** |
| * @return true if the binding has been disposed. false otherwise. |
| */ |
| public boolean isDisposed() { |
| return disposed; |
| } |
| } |