| /*=============================================================================# |
| # Copyright (c) 2007, 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.ltk.ui; |
| |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.ltk.model.core.element.LtkModelElement; |
| import org.eclipse.statet.ltk.model.core.element.LtkModelElementDelta; |
| |
| |
| /** |
| * Interface to listen to changes of object input of the type {@link LtkModelElement}. |
| * |
| * @see ModelElementInputProvider |
| */ |
| public interface ModelElementInputListener<TModelElement extends LtkModelElement<?>> { |
| |
| |
| /** |
| * The element of the provider has changed. |
| * |
| * Directly called while changing the input. |
| * For longer tasks, wait for {@link #elementInitialInfo(LtkModelElement)}. |
| */ |
| void elementChanged(final @Nullable TModelElement element); |
| |
| /** |
| * First detail info for the element. |
| */ |
| void elementInitialInfo(final @Nullable TModelElement element); |
| |
| /** |
| * Detail info changed. |
| */ |
| void elementUpdatedInfo(final TModelElement element, final LtkModelElementDelta delta); |
| |
| } |