| /******************************************************************************* |
| * Copyright (c) 2010, 2012 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.builds.ui.navigator; |
| |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.Notifier; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.mylyn.builds.core.IBuildModel; |
| import org.eclipse.mylyn.builds.core.IBuildServer; |
| import org.eclipse.mylyn.builds.internal.core.BuildModel; |
| import org.eclipse.mylyn.builds.internal.core.BuildPackage; |
| import org.eclipse.mylyn.commons.repositories.core.RepositoryCategory; |
| import org.eclipse.mylyn.internal.builds.ui.BuildsUiInternal; |
| import org.eclipse.mylyn.internal.builds.ui.view.BuildModelContentAdapter; |
| |
| /** |
| * @author Steffen Pingel |
| */ |
| public class BuildNavigatorContentProvider implements ITreeContentProvider { |
| |
| private static final Object[] EMPTY_ARRAY = new Object[0]; |
| |
| private BuildModel model; |
| |
| private Viewer viewer; |
| |
| private final Adapter modelListener = new BuildModelContentAdapter() { |
| @Override |
| public void doNotifyChanged(Notification msg) { |
| if (msg.getNotifier() instanceof IBuildModel) { |
| int featureId = msg.getFeatureID(IBuildModel.class); |
| if (featureId != BuildPackage.BUILD_MODEL__SERVERS) { |
| // ignore changes that are not related to servers |
| return; |
| } |
| } |
| if (msg.getNotifier() instanceof IBuildServer) { |
| int featureId = msg.getFeatureID(IBuildServer.class); |
| if (featureId == BuildPackage.BUILD_SERVER__OPERATIONS |
| || featureId == BuildPackage.BUILD_SERVER__REFRESH_DATE) { |
| // ignore changes that are caused by operations but not visualized |
| return; |
| } |
| } |
| |
| if (viewer != null && !viewer.getControl().isDisposed()) { |
| viewer.refresh(); |
| } |
| } |
| |
| protected boolean observing(Notifier notifier) { |
| return notifier instanceof IBuildServer || notifier instanceof IBuildModel; |
| } |
| }; |
| |
| public BuildNavigatorContentProvider() { |
| } |
| |
| public void dispose() { |
| if (model != null) { |
| model.eAdapters().remove(modelListener); |
| } |
| } |
| |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof RepositoryCategory) { |
| RepositoryCategory category = (RepositoryCategory) parentElement; |
| if (RepositoryCategory.ID_CATEGORY_BUILDS.equals(category.getId()) |
| || RepositoryCategory.ID_CATEGORY_ALL.equals(category.getId())) { |
| return model.getServers().toArray(); |
| } |
| } |
| return EMPTY_ARRAY; |
| } |
| |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| public boolean hasChildren(Object element) { |
| return getChildren(element).length > 0; |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| this.viewer = viewer; |
| if (model != null) { |
| model.eAdapters().remove(modelListener); |
| } |
| if (newInput instanceof BuildModel) { |
| model = (BuildModel) newInput; |
| } else { |
| model = BuildsUiInternal.getModel(); |
| } |
| model.eAdapters().add(modelListener); |
| //this.input = newInput; |
| } |
| |
| } |