case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/text/correction/CorrectionCommandInstaller.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2012 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11
  12 package org.eclipse.jdt.internal.ui.text.correction;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.List;
  17
  18 import org.eclipse.ui.IWorkbench;
  19 import org.eclipse.ui.PlatformUI;
  20 import org.eclipse.ui.commands.ICommandService;
  21 import org.eclipse.ui.handlers.IHandlerActivation;
  22 import org.eclipse.ui.handlers.IHandlerService;
  23
  24 import org.eclipse.jdt.internal.ui.JavaPlugin;
  25 import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
  26
  27 public class CorrectionCommandInstaller {
  28
  29         public List<IHandlerActivation> fCorrectionHandlerActivations;
  30
  31         public CorrectionCommandInstaller() {
  32                 fCorrectionHandlerActivations= null;
  33         }
  34
  35         public void registerCommands(CompilationUnitEditor editor) {
  36                 IWorkbench workbench= PlatformUI.getWorkbench();
  37                 ICommandService commandService= (ICommandService) workbench.getAdapter(ICommandService.class);
  38                 IHandlerService handlerService= (IHandlerService) workbench.getAdapter(IHandlerService.class);
  39                 if (commandService == null || handlerService == null) {
  40                         return;
  41                 }
  42
  43                 if (fCorrectionHandlerActivations != null) {
  44                         JavaPlugin.logErrorMessage("correction handler activations not released"); //$NON-NLS-1$
  45                 }
  46                 fCorrectionHandlerActivations= new ArrayList<IHandlerActivation>();
  47
  48                 Collection<String> definedCommandIds= commandService.getDefinedCommandIds();
  49                 editor.generated_7415811112593806754(this, handlerService, definedCommandIds);
  50         }
  51
  52         public void deregisterCommands() {
  53                 IHandlerService handlerService= (IHandlerService) PlatformUI.getWorkbench().getAdapter(IHandlerService.class);
  54                 if (handlerService != null && fCorrectionHandlerActivations != null) {
  55                         handlerService.deactivateHandlers(fCorrectionHandlerActivations);
  56                         fCorrectionHandlerActivations= null;
  57                 }
  58         }
  59
  60 }