| /******************************************************************************* |
| * Copyright (c) 2005 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.ui.text.java; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.jdt.internal.ui.javaeditor.SpecificContentAssistExecutor; |
| |
| /** |
| * |
| * @since 3.2 |
| */ |
| public final class JavaContentAssistHandler extends AbstractHandler { |
| private final SpecificContentAssistExecutor fExecutor= new SpecificContentAssistExecutor(CompletionProposalComputerRegistry.getDefault()); |
| |
| public JavaContentAssistHandler() { |
| } |
| |
| /* |
| * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
| */ |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| ITextEditor editor= getActiveEditor(); |
| if (editor == null) |
| return null; |
| |
| String categoryId= event.getParameter("org.eclipse.jdt.ui.specific_content_assist.category_id"); //$NON-NLS-1$ |
| if (categoryId == null) |
| return null; |
| |
| fExecutor.invokeContentAssist(editor, categoryId); |
| |
| return null; |
| } |
| |
| private ITextEditor getActiveEditor() { |
| IWorkbenchWindow window= PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| if (window != null) { |
| IWorkbenchPage page= window.getActivePage(); |
| if (page != null) { |
| IEditorPart editor= page.getActiveEditor(); |
| if (editor instanceof ITextEditor) |
| return (JavaEditor) editor; |
| } |
| } |
| return null; |
| } |
| |
| } |