| /******************************************************************************* |
| * Copyright (c) 2004, 2017 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| * Remy Chi Jian Suen - Bug 256071 Reduce/remove reflection usage in Java bridge |
| *******************************************************************************/ |
| |
| package org.eclipse.dltk.internal.mylyn.actions; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.dltk.internal.mylyn.DLTKUiBridgePlugin; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.context.ui.AbstractFocusViewAction; |
| import org.eclipse.mylyn.context.ui.InterestFilter; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPartSite; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.IWorkbenchWindowActionDelegate; |
| |
| /** |
| * This class is a bit weird since it doesn't obey the same contract as the other subclasses |
| * |
| * @author Shawn Minto |
| * @author Mik Kersten |
| */ |
| public class FocusBrowsingPerspectiveAction extends AbstractFocusViewAction implements IWorkbenchWindowActionDelegate { |
| |
| private final String[] viewNames = { "org.eclipse.jdt.ui.MembersView", "org.eclipse.jdt.ui.PackagesView", //$NON-NLS-1$ //$NON-NLS-2$ |
| "org.eclipse.jdt.ui.TypesView" }; //$NON-NLS-1$ |
| |
| private final String[] classNames = { "org.eclipse.jdt.internal.ui.browsing.MembersView", //$NON-NLS-1$ |
| "org.eclipse.jdt.internal.ui.browsing.PackagesView", "org.eclipse.jdt.internal.ui.browsing.TypesView" }; //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| private IWorkbenchWindow initWindow; |
| |
| public FocusBrowsingPerspectiveAction() { |
| super(new InterestFilter(), true, true, false); |
| globalPrefId = PREF_ID_PREFIX + "javaBrowsing"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public void init(IWorkbenchWindow window) { |
| initWindow = window; |
| IWorkbenchPage activePage = initWindow.getActivePage(); |
| super.viewPart = activePage.findView(viewNames[0]); |
| } |
| |
| @Override |
| public List<StructuredViewer> getViewers() { |
| List<StructuredViewer> viewers = new ArrayList<>(); |
| for (int i = 0; i < viewNames.length; i++) { |
| StructuredViewer viewer = getBrowsingViewerFromActivePerspective(viewNames[i], classNames[i]); |
| if (viewer != null) { |
| viewers.add(viewer); |
| } |
| } |
| return viewers; |
| } |
| |
| private StructuredViewer getBrowsingViewerFromActivePerspective(String id, String className) { |
| IWorkbenchPage activePage = initWindow.getActivePage(); |
| if (activePage == null) { |
| return null; |
| } |
| try { |
| IViewPart viewPart = activePage.findView(id); |
| if (viewPart == null) { |
| // view is not open, just return null |
| return null; |
| } |
| |
| IWorkbenchPartSite site = viewPart.getSite(); |
| if (site == null) { |
| // no site found, view still being initialized, return null |
| return null; |
| } |
| |
| ISelectionProvider provider = site.getSelectionProvider(); |
| if (!(provider instanceof StructuredViewer)) { |
| // provider not a StructuredViewer, return null |
| return null; |
| } |
| |
| return (StructuredViewer) provider; |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, DLTKUiBridgePlugin.ID_PLUGIN, "Could not get \"" + id //$NON-NLS-1$ |
| + "\" view tree viewer", e)); //$NON-NLS-1$ |
| } |
| return null; |
| } |
| |
| } |