| /******************************************************************************* |
| * Copyright (c) 2016 EclipseSource Muenchen GmbH 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: |
| * Alexandra Buzila - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.emf.compare.rcp.ui.mergeviewer.item.provider; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| |
| /** |
| * Interface for specialized {@link ITreeContentProvider tree content providers} for the comparison content |
| * merge viewer. |
| * |
| * @author Stefan Dirix <sdirix@eclipsesource.com> |
| * @since 4.4 |
| */ |
| public interface IMergeViewerItemContentProvider extends IOptionalProvider { |
| |
| /** |
| * Determine the parent of the given {@code object}. |
| * |
| * @param object |
| * the {@link Object} for which the parent is to be determined. |
| * @param configuration |
| * the {@link IMergeViewerItemProviderConfiguration}. |
| * @return the determined parent object, {@code null} if there is none. |
| */ |
| public Object getParent(Object object, IMergeViewerItemProviderConfiguration configuration); |
| |
| /** |
| * Determine the children of the given {@code object} |
| * |
| * @param object |
| * the {@link Object} for which the children are to be determined. |
| * @param configuration |
| * the {@link IMergeViewerItemProviderConfiguration}. |
| * @return an array with the determined children, an empty array if there are none. |
| */ |
| public Object[] getChildren(Object object, IMergeViewerItemProviderConfiguration configuration); |
| |
| /** |
| * Indicates whether the given {@code object} has children. |
| * |
| * @param object |
| * the {@link Object} for which it is indicated whether it has children. |
| * @param configuration |
| * the {@link IMergeViewerItemProviderConfiguration}. |
| * @return {@code true} if the given object has children, {@code false} otherwise. |
| */ |
| public boolean hasChildren(Object object, IMergeViewerItemProviderConfiguration configuration); |
| } |
