| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.refactoring; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| |
| import org.eclipse.ltk.core.refactoring.Refactoring; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.tagging.IDelegateUpdating; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| /** |
| * This is a helper class to keep a consistent design between refactorings |
| * capable of creating delegates. |
| * |
| * @since 3.2 |
| * |
| */ |
| public class DelegateUIHelper { |
| |
| public static Button generateDeprecateDelegateCheckbox(Composite parent, Refactoring refactoring) { |
| final IDelegateUpdating updating= (IDelegateUpdating) refactoring.getAdapter(IDelegateUpdating.class); |
| if (updating == null || !updating.canEnableDelegateUpdating()) |
| return null; |
| final Button button= createCheckbox(parent, getDeprecateDelegateCheckBoxTitle(), loadDeprecateDelegateSetting(updating)); |
| updating.setDeprecateDelegates(button.getSelection()); |
| button.addSelectionListener(new SelectionAdapter() { |
| |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| updating.setDeprecateDelegates(button.getSelection()); |
| } |
| }); |
| return button; |
| } |
| |
| public static Button generateLeaveDelegateCheckbox(Composite parent, Refactoring refactoring, boolean plural) { |
| final IDelegateUpdating updating= (IDelegateUpdating) refactoring.getAdapter(IDelegateUpdating.class); |
| if (updating == null || !updating.canEnableDelegateUpdating()) |
| return null; |
| final Button button= createCheckbox(parent, updating.getDelegateUpdatingTitle(plural), loadLeaveDelegateSetting(updating)); |
| updating.setDelegateUpdating(button.getSelection()); |
| button.addSelectionListener(new SelectionAdapter() { |
| |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| updating.setDelegateUpdating(button.getSelection()); |
| } |
| }); |
| return button; |
| } |
| |
| public static void saveLeaveDelegateSetting(Button button) { |
| saveBooleanSetting(DELEGATE_UPDATING, button); |
| } |
| |
| public static void saveDeprecateDelegateSetting(Button button) { |
| saveBooleanSetting(DELEGATE_DEPRECATION, button); |
| } |
| |
| public static boolean loadLeaveDelegateSetting(IDelegateUpdating refactoring) { |
| return getBooleanSetting(DELEGATE_UPDATING, refactoring.getDelegateUpdating()); |
| } |
| |
| public static boolean loadDeprecateDelegateSetting(IDelegateUpdating refactoring) { |
| return getBooleanSetting(DELEGATE_DEPRECATION, refactoring.getDeprecateDelegates()); |
| } |
| |
| public static String getDeprecateDelegateCheckBoxTitle() { |
| return RefactoringMessages.DelegateCreator_deprecate_delegates; |
| } |
| |
| // ************** Helper methods ******************* |
| |
| /** |
| * Dialog settings key (value is of type boolean). |
| */ |
| public static final String DELEGATE_UPDATING= "delegateUpdating"; //$NON-NLS-1$ |
| |
| /** |
| * Dialog settings key (value is of type boolean). |
| */ |
| public static final String DELEGATE_DEPRECATION= "delegateDeprecation"; //$NON-NLS-1$ |
| |
| private DelegateUIHelper() { |
| // no instances |
| } |
| |
| private static Button createCheckbox(Composite parent, String title, boolean value) { |
| Button checkBox= new Button(parent, SWT.CHECK); |
| checkBox.setText(title); |
| checkBox.setSelection(value); |
| return checkBox; |
| } |
| |
| private static boolean getBooleanSetting(String key, boolean defaultValue) { |
| String update= JavaPlugin.getDefault().getDialogSettings().get(key); |
| if (update != null) |
| return Boolean.valueOf(update).booleanValue(); |
| else |
| return defaultValue; |
| } |
| |
| private static void saveBooleanSetting(String key, Button button) { |
| if (button != null && !button.isDisposed() && button.getEnabled()) |
| JavaPlugin.getDefault().getDialogSettings().put(key, button.getSelection()); |
| } |
| } |