case-study/jdt-after/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/UserInterfaceStarter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2009 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 package org.eclipse.jdt.internal.ui.refactoring;
  12
  13 import java.lang.reflect.Constructor;
  14 import java.lang.reflect.InvocationTargetException;
  15
  16 import org.eclipse.swt.widgets.Shell;
  17
  18 import org.eclipse.core.runtime.CoreException;
  19
  20 import org.eclipse.ltk.core.refactoring.Refactoring;
  21 import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
  22
  23 import org.eclipse.jdt.ui.refactoring.RefactoringSaveHelper;
  24
  25 import org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter;
  26
  27 /**
  28  * Opens the user interface for a given refactoring.
  29  */
  30 public class UserInterfaceStarter {
  31
  32         private RefactoringWizard fWizard;
  33
  34         /**
  35          * Initializes this user interface starter with the given
  36          * wizard.
  37          *
  38          * @param wizard the refactoring wizard to use
  39          */
  40         public void initialize(RefactoringWizard wizard) {
  41                 fWizard= wizard;
  42         }
  43
  44         /**
  45          * Actually activates the user interface. This default implementation
  46          * assumes that the configuration element passed to <code>initialize
  47          * </code> has an attribute wizard denoting the wizard class to be
  48          * used for the given refactoring.
  49          * <p>
  50          * Subclasses may override to open a different user interface
  51          *
  52          * @param refactoring the refactoring for which the user interface
  53          *  should be opened
  54          * @param parent the parent shell to be used
  55          * @param saveMode a save mode from {@link RefactoringSaveHelper}
  56          * @return <code>true</code> iff the refactoring was executed,
  57          *  <code>false</code> otherwise
  58          *
  59          * @exception CoreException if the user interface can't be activated
  60          */
  61         public boolean activate(Refactoring refactoring, Shell parent, int saveMode) throws CoreException {
  62                 String title= fWizard.getDefaultPageTitle();
  63                 if (title == null)
  64                         title= ""; //$NON-NLS-1$
  65                 return new RefactoringStarter().activate(fWizard, parent, title, saveMode);
  66         }
  67
  68         public UserInterfaceStarter generated_7813664409379443177(Refactoring refactoring, Class<? extends RefactoringWizard> wizardClass) throws NoSuchMethodException,
  69                         InstantiationException, IllegalAccessException, InvocationTargetException {
  70                 Constructor<? extends RefactoringWizard> constructor= wizardClass.getConstructor(new Class[] {Refactoring.class});
  71                 RefactoringWizard wizard= constructor.newInstance(new Object[] {refactoring});
  72                 initialize(wizard);
  73                 return this;
  74         }
  75 }