| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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.jdt.internal.debug.ui.actions; |
| |
| |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.action.IStatusLineManager; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IViewSite; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| public abstract class ObjectActionDelegate implements IObjectActionDelegate, IActionDelegate2 { |
| |
| IWorkbenchPart fPart = null; |
| |
| /** |
| * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart) |
| */ |
| @Override |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| fPart = targetPart; |
| } |
| |
| protected IWorkbenchPart getPart() { |
| return fPart; |
| } |
| |
| /** |
| * @see IActionDelegate#selectionChanged(IAction, ISelection) |
| */ |
| @Override |
| public void selectionChanged(IAction action, ISelection sel) { |
| } |
| |
| /** |
| * Returns the currently selected item(s) from the current workbench page or <code>null</code> |
| * if the current active page could not be resolved. |
| * @return the currently selected item(s) or <code>null</code> |
| */ |
| protected IStructuredSelection getCurrentSelection() { |
| IWorkbenchPage page = JDIDebugUIPlugin.getActivePage(); |
| if (page != null) { |
| ISelection selection= page.getSelection(); |
| if (selection instanceof IStructuredSelection) { |
| return (IStructuredSelection)selection; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Displays the given error message in the status line. |
| * |
| * @param message |
| */ |
| protected void showErrorMessage(String message) { |
| if (fPart instanceof IViewPart) { |
| IViewSite viewSite = ((IViewPart)fPart).getViewSite(); |
| IStatusLineManager manager = viewSite.getActionBars().getStatusLineManager(); |
| manager.setErrorMessage(message); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#dispose() |
| */ |
| @Override |
| public void dispose() { |
| fPart = null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) |
| */ |
| @Override |
| public void init(IAction action) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event) |
| */ |
| @Override |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| |
| /** |
| * Returns the workbench window this action is installed in, or <code>null</code> |
| */ |
| protected IWorkbenchWindow getWorkbenchWindow() { |
| if (fPart != null) { |
| return fPart.getSite().getWorkbenchWindow(); |
| } |
| return null; |
| } |
| } |