| /******************************************************************************* |
| * Copyright (c) 2003, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.sourcelookup; |
| import java.util.List; |
| |
| import org.eclipse.debug.core.sourcelookup.ISourceContainer; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.actions.SelectionListenerAction; |
| |
| |
| /** |
| * The action for sorting the order of source containers in the dialog. |
| * |
| */ |
| public class DownAction extends SourceContainerAction { |
| |
| public DownAction() { |
| super(SourceLookupUIMessages.sourceTab_downButton); |
| } |
| /** |
| * @see IAction#run() |
| */ |
| @Override |
| public void run() { |
| List<ISourceContainer> targets = getOrderedSelection(); |
| if (targets.isEmpty()) { |
| return; |
| } |
| List<ISourceContainer> list = getEntriesAsList(); |
| int bottom = list.size() - 1; |
| int index = 0; |
| for (ISourceContainer container : targets) { |
| index = list.indexOf(container); |
| if (index < bottom) { |
| bottom = index + 1; |
| ISourceContainer temp = list.get(bottom); |
| list.set(bottom, container); |
| list.set(index, temp); |
| } |
| bottom = index; |
| } |
| setEntries(list); |
| } |
| |
| /** |
| * @see SelectionListenerAction#updateSelection(IStructuredSelection) |
| */ |
| @Override |
| protected boolean updateSelection(IStructuredSelection selection) { |
| return !selection.isEmpty() && !isIndexSelected(selection, getEntriesAsList().size() - 1) && getViewer().getTree().getSelection()[0].getParentItem()==null; |
| } |
| |
| } |