| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ui.synchronize.actions; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.viewers.*; |
| |
| |
| public class ExpandAllAction extends Action implements ISelectionChangedListener { |
| |
| private final AbstractTreeViewer viewer; |
| |
| public ExpandAllAction(AbstractTreeViewer viewer) { |
| this.viewer = viewer; |
| viewer.addSelectionChangedListener(this); |
| } |
| @Override |
| public void run() { |
| expandAllFromSelection(); |
| } |
| |
| protected void expandAllFromSelection() { |
| AbstractTreeViewer tree = viewer; |
| if (tree == null) return; |
| IStructuredSelection selection = tree.getStructuredSelection(); |
| if(! selection.isEmpty()) { |
| Iterator elements = selection.iterator(); |
| try { |
| tree.getControl().setRedraw(false); |
| while (elements.hasNext()) { |
| Object next = elements.next(); |
| tree.expandToLevel(next, AbstractTreeViewer.ALL_LEVELS); |
| } |
| } finally { |
| tree.getControl().setRedraw(true); |
| } |
| } |
| } |
| |
| @Override |
| public void selectionChanged(SelectionChangedEvent event) { |
| ISelection selection = event.getSelection(); |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection ss = (IStructuredSelection)selection; |
| setEnabled(!ss.isEmpty()); |
| return; |
| } |
| setEnabled(false); |
| } |
| } |