/******************************************************************************* * Copyright (c) 2000, 2008 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.wst.jsdt.internal.ui.text.correction; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; import java.util.List; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.LegacyHandlerSubmissionExpression; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.commands.ICommandService; import org.eclipse.ui.handlers.IHandlerActivation; import org.eclipse.ui.handlers.IHandlerService; import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin; import org.eclipse.wst.jsdt.internal.ui.javaeditor.CompilationUnitEditor; public class CorrectionCommandInstaller { /** * All correction commands must start with the following prefix. */ public static final String COMMAND_PREFIX= "org.eclipse.wst.jsdt.ui.correction."; //$NON-NLS-1$ /** * Commands for quick assist must have the following suffix. */ public static final String ASSIST_SUFFIX= ".assist"; //$NON-NLS-1$ private List fCorrectionHandlerActivations; public CorrectionCommandInstaller() { fCorrectionHandlerActivations= null; } public void registerCommands(CompilationUnitEditor editor) { IWorkbench workbench= PlatformUI.getWorkbench(); ICommandService commandService= (ICommandService) workbench.getAdapter(ICommandService.class); IHandlerService handlerService= (IHandlerService) workbench.getAdapter(IHandlerService.class); if (commandService == null || handlerService == null) { return; } if (fCorrectionHandlerActivations != null) { JavaScriptPlugin.logErrorMessage("correction handler activations not released"); //$NON-NLS-1$ } fCorrectionHandlerActivations= new ArrayList(); Collection definedCommandIds= commandService.getDefinedCommandIds(); for (Iterator iter= definedCommandIds.iterator(); iter.hasNext();) { String id= (String) iter.next(); if (id.startsWith(COMMAND_PREFIX)) { boolean isAssist= id.endsWith(ASSIST_SUFFIX); CorrectionCommandHandler handler= new CorrectionCommandHandler(editor, id, isAssist); IHandlerActivation activation= handlerService.activateHandler(id, handler, new LegacyHandlerSubmissionExpression(null, null, editor.getSite())); fCorrectionHandlerActivations.add(activation); } } } public void deregisterCommands() { IHandlerService handlerService= (IHandlerService) PlatformUI.getWorkbench().getAdapter(IHandlerService.class); if (handlerService != null && fCorrectionHandlerActivations != null) { handlerService.deactivateHandlers(fCorrectionHandlerActivations); fCorrectionHandlerActivations= null; } } }