| /*=============================================================================# |
| # Copyright (c) 2012, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.emf.ui.databinding; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jface.databinding.viewers.IViewerObservableValue; |
| import org.eclipse.jface.databinding.viewers.typed.ViewerProperties; |
| import org.eclipse.jface.viewers.AbstractListViewer; |
| import org.eclipse.jface.viewers.AbstractTableViewer; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.internal.ecommons.emf.ui.ListViewerObservableValueDecorator; |
| import org.eclipse.statet.internal.ecommons.emf.ui.TableViewerObservableValueDecorator; |
| |
| |
| @NonNullByDefault |
| public class CustomViewerObservables { |
| |
| |
| public static <T extends EObject> IViewerObservableValue<T> observeComboSelection( |
| final AbstractTableViewer viewer, |
| final List<Object> input) { |
| viewer.setInput(input); |
| final IObservableValue<@Nullable Object> observable= ViewerProperties.singleSelection() |
| .observe((ISelectionProvider)viewer); |
| return new TableViewerObservableValueDecorator(observable, viewer, input); |
| } |
| |
| public static <T extends EObject> IViewerObservableValue<T> observeComboSelection( |
| final AbstractListViewer viewer, |
| final List<Object> input) { |
| viewer.setInput(input); |
| final IObservableValue<@Nullable Object> observable= ViewerProperties.singleSelection() |
| .observe((ISelectionProvider)viewer); |
| return new ListViewerObservableValueDecorator(observable, viewer, input); |
| } |
| |
| } |