| /******************************************************************************* |
| * Copyright (c) 2009, 2010 Ovidio Mallo 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: |
| * Ovidio Mallo - initial API and implementation (bug 248877) |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.databinding.dialog; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.ValidationStatusProvider; |
| import org.eclipse.core.databinding.observable.value.ComputedValue; |
| import org.eclipse.core.runtime.IStatus; |
| |
| /*package*/ class MaxSeverityValidationStatusProvider extends ComputedValue { |
| |
| private Collection validationStatusProviders; |
| |
| public MaxSeverityValidationStatusProvider(DataBindingContext dbc) { |
| super(ValidationStatusProvider.class); |
| this.validationStatusProviders = dbc.getValidationStatusProviders(); |
| } |
| |
| protected Object calculate() { |
| int maxSeverity = IStatus.OK; |
| ValidationStatusProvider maxSeverityProvider = null; |
| for (Iterator it = validationStatusProviders.iterator(); it.hasNext();) { |
| ValidationStatusProvider provider = (ValidationStatusProvider) it |
| .next(); |
| IStatus status = (IStatus) provider.getValidationStatus() |
| .getValue(); |
| if (status.getSeverity() > maxSeverity) { |
| maxSeverity = status.getSeverity(); |
| maxSeverityProvider = provider; |
| } |
| } |
| return maxSeverityProvider; |
| } |
| |
| public synchronized void dispose() { |
| validationStatusProviders = null; |
| super.dispose(); |
| } |
| } |