core/plugins/org.eclipse.dltk.ui/ui refactoring/org/eclipse/dltk/internal/ui/refactoring/reorg/RenameInputWizardPage.java - dltk/org.eclipse.dltk.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2018 IBM Corporation and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  *******************************************************************************/
 package org.eclipse.dltk.internal.ui.refactoring.reorg;

 import org.eclipse.dltk.internal.corext.refactoring.tagging.IDelegateUpdating;
 import org.eclipse.dltk.internal.corext.refactoring.tagging.INameUpdating;
 import org.eclipse.dltk.internal.corext.refactoring.tagging.IQualifiedNameUpdating;
 import org.eclipse.dltk.internal.corext.refactoring.tagging.IReferenceUpdating;
 import org.eclipse.dltk.internal.corext.refactoring.tagging.ITextUpdating;
 import org.eclipse.dltk.internal.ui.refactoring.DelegateUIHelper;
 import org.eclipse.dltk.internal.ui.refactoring.QualifiedNameComponent;
 import org.eclipse.dltk.internal.ui.refactoring.RefactoringMessages;
 import org.eclipse.dltk.internal.ui.refactoring.TextInputWizardPage;
 import org.eclipse.dltk.internal.ui.util.RowLayouter;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.ltk.core.refactoring.Refactoring;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;

 abstract class RenameInputWizardPage extends TextInputWizardPage {

 	private String fHelpContextID;
 	private Button fUpdateReferences;
 	private Button fUpdateTextualMatches;
 	private Button fUpdateQualifiedNames;
 	private Button fLeaveDelegateCheckBox;
 	private Button fDeprecateDelegateCheckBox;
 	private QualifiedNameComponent fQualifiedNameComponent;

 	private static final String UPDATE_TEXTUAL_MATCHES = "updateTextualMatches"; //$NON-NLS-1$
 	private static final String UPDATE_QUALIFIED_NAMES = "updateQualifiedNames"; //$NON-NLS-1$

 	/**
 	 * Creates a new text input page.
 	 *
 	 * @param isLastUserPage
 	 *                           <code>true</code> if this page is the wizard's
 	 *                           last user input page. Otherwise
 	 *                           <code>false</code>.
 	 * @param initialValue
 	 *                           the initial value
 	 */
 	public RenameInputWizardPage(String description, String contextHelpId,
 			boolean isLastUserPage, String initialValue) {
 		super(description, isLastUserPage, initialValue);
 		fHelpContextID = contextHelpId;
 	}

 	@Override
 	public void createControl(Composite parent) {
 		Composite superComposite = new Composite(parent, SWT.NONE);
 		setControl(superComposite);
 		initializeDialogUnits(superComposite);
 		superComposite.setLayout(new GridLayout());
 		Composite composite = new Composite(superComposite, SWT.NONE);
 		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;

 		composite.setLayout(layout);
 		RowLayouter layouter = new RowLayouter(2);

 		Label label = new Label(composite, SWT.NONE);
 		label.setText(getLabelText());

 		Text text = createTextInputField(composite);
 		text.selectAll();
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.widthHint = convertWidthInCharsToPixels(25);
 		text.setLayoutData(gd);

 		layouter.perform(label, text, 1);

 		Label separator = new Label(composite, SWT.NONE);
 		GridData gridData = new GridData(SWT.FILL, SWT.FILL, false, false);
 		gridData.heightHint = 2;
 		separator.setLayoutData(gridData);

 		int indent = convertWidthInCharsToPixels(2);

 		addOptionalUpdateReferencesCheckbox(composite, layouter);
 		addAdditionalOptions(composite, layouter);
 		addOptionalUpdateTextualMatches(composite, layouter);
 		addOptionalUpdateQualifiedNameComponent(composite, layouter, indent);
 		addOptionalLeaveDelegateCheckbox(composite, layouter);
 		addOptionalDeprecateDelegateCheckbox(composite, layouter, indent);
 		updateForcePreview();

 		Dialog.applyDialogFont(superComposite);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
 				fHelpContextID);
 	}

 	/**
 	 * Clients can override this method to provide more UI elements. By default,
 	 * does nothing
 	 *
 	 * @param composite
 	 *                      the parent composite
 	 * @param layouter
 	 *                      the row layouter to use
 	 */
 	protected void addAdditionalOptions(Composite composite,
 			RowLayouter layouter) {
 		// none by default
 	}

 	@Override
 	public void setVisible(boolean visible) {
 		if (visible) {
 			INameUpdating nameUpdating = getRefactoring()
 					.getAdapter(INameUpdating.class);
 			if (nameUpdating != null) {
 				String newName = getNewName(nameUpdating);
 				if (newName != null && newName.length() > 0
 						&& !newName.equals(getInitialValue())) {
 					Text textField = getTextField();
 					textField.setText(newName);
 					textField.setSelection(0, newName.length());
 				}
 			}
 		}
 		super.setVisible(visible);
 	}

 	/**
 	 * Returns the new name for the Script element or <code>null</code> if no
 	 * new name is provided
 	 *
 	 * @return the new name or <code>null</code>
 	 */
 	protected String getNewName(INameUpdating nameUpdating) {
 		return nameUpdating.getNewElementName();
 	}

 	protected boolean saveSettings() {
 		if (getContainer() instanceof Dialog)
 			return ((Dialog) getContainer())
 					.getReturnCode() == IDialogConstants.OK_ID;
 		return true;
 	}

 	@Override
 	public void dispose() {
 		if (saveSettings()) {
 			saveBooleanSetting(UPDATE_TEXTUAL_MATCHES, fUpdateTextualMatches);
 			saveBooleanSetting(UPDATE_QUALIFIED_NAMES, fUpdateQualifiedNames);
 			if (fQualifiedNameComponent != null)
 				fQualifiedNameComponent.savePatterns(getRefactoringSettings());
 			DelegateUIHelper.saveLeaveDelegateSetting(fLeaveDelegateCheckBox);
 			DelegateUIHelper
 					.saveDeprecateDelegateSetting(fDeprecateDelegateCheckBox);
 		}
 		super.dispose();
 	}

 	private void addOptionalUpdateReferencesCheckbox(Composite result,
 			RowLayouter layouter) {
 		final IReferenceUpdating ref = getRefactoring()
 				.getAdapter(IReferenceUpdating.class);
 		if (ref == null || !ref.canEnableUpdateReferences())
 			return;
 		String title = RefactoringMessages.RenameInputWizardPage_update_references;
 		boolean defaultValue = true; // bug 77901
 		fUpdateReferences = createCheckbox(result, title, defaultValue,
 				layouter);
 		ref.setUpdateReferences(fUpdateReferences.getSelection());
 		fUpdateReferences.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				ref.setUpdateReferences(fUpdateReferences.getSelection());
 			}
 		});
 	}

 	private void addOptionalUpdateTextualMatches(Composite result,
 			RowLayouter layouter) {
 		final ITextUpdating refactoring = getRefactoring()
 				.getAdapter(ITextUpdating.class);
 		if (refactoring == null || !refactoring.canEnableTextUpdating())
 			return;
 		String title = RefactoringMessages.RenameInputWizardPage_update_textual_matches;
 		boolean defaultValue = getBooleanSetting(UPDATE_TEXTUAL_MATCHES,
 				refactoring.getUpdateTextualMatches());
 		fUpdateTextualMatches = createCheckbox(result, title, defaultValue,
 				layouter);
 		refactoring
 				.setUpdateTextualMatches(fUpdateTextualMatches.getSelection());
 		fUpdateTextualMatches.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				refactoring.setUpdateTextualMatches(
 						fUpdateTextualMatches.getSelection());
 				updateForcePreview();
 			}
 		});
 	}

 	private void addOptionalUpdateQualifiedNameComponent(Composite parent,
 			RowLayouter layouter, int marginWidth) {
 		final IQualifiedNameUpdating ref = getRefactoring()
 				.getAdapter(IQualifiedNameUpdating.class);
 		if (ref == null || !ref.canEnableQualifiedNameUpdating())
 			return;
 		fUpdateQualifiedNames = new Button(parent, SWT.CHECK);
 		int indent = marginWidth
 				+ fUpdateQualifiedNames.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
 		fUpdateQualifiedNames.setText(
 				RefactoringMessages.RenameInputWizardPage_update_qualified_names);
 		layouter.perform(fUpdateQualifiedNames);

 		fQualifiedNameComponent = new QualifiedNameComponent(parent, SWT.NONE,
 				ref, getRefactoringSettings());
 		layouter.perform(fQualifiedNameComponent);
 		GridData gd = (GridData) fQualifiedNameComponent.getLayoutData();
 		gd.horizontalAlignment = GridData.FILL;
 		gd.horizontalIndent = indent;

 		boolean defaultSelection = getBooleanSetting(UPDATE_QUALIFIED_NAMES,
 				ref.getUpdateQualifiedNames());
 		fUpdateQualifiedNames.setSelection(defaultSelection);
 		updateQulifiedNameUpdating(ref, defaultSelection);

 		fUpdateQualifiedNames.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				boolean enabled = ((Button) e.widget).getSelection();
 				updateQulifiedNameUpdating(ref, enabled);
 			}
 		});
 	}

 	private void updateQulifiedNameUpdating(final IQualifiedNameUpdating ref,
 			boolean enabled) {
 		fQualifiedNameComponent.setEnabled(enabled);
 		ref.setUpdateQualifiedNames(enabled);
 		updateForcePreview();
 	}

 	private void addOptionalLeaveDelegateCheckbox(Composite result,
 			RowLayouter layouter) {
 		final IDelegateUpdating refactoring = getRefactoring()
 				.getAdapter(IDelegateUpdating.class);
 		if (refactoring == null || !refactoring.canEnableDelegateUpdating())
 			return;
 		fLeaveDelegateCheckBox = createCheckbox(result,
 				refactoring.getDelegateUpdatingTitle(false),
 				DelegateUIHelper.loadLeaveDelegateSetting(refactoring),
 				layouter);
 		refactoring.setDelegateUpdating(fLeaveDelegateCheckBox.getSelection());
 		fLeaveDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				refactoring.setDelegateUpdating(
 						fLeaveDelegateCheckBox.getSelection());
 			}
 		});
 	}

 	private void addOptionalDeprecateDelegateCheckbox(Composite result,
 			RowLayouter layouter, int marginWidth) {
 		final IDelegateUpdating refactoring = getRefactoring()
 				.getAdapter(IDelegateUpdating.class);
 		if (refactoring == null || !refactoring.canEnableDelegateUpdating())
 			return;
 		fDeprecateDelegateCheckBox = new Button(result, SWT.CHECK);
 		GridData data = new GridData();
 		data.horizontalAlignment = GridData.FILL;
 		data.horizontalIndent = (marginWidth + fDeprecateDelegateCheckBox
 				.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
 		fDeprecateDelegateCheckBox.setLayoutData(data);
 		fDeprecateDelegateCheckBox
 				.setText(DelegateUIHelper.getDeprecateDelegateCheckBoxTitle());
 		fDeprecateDelegateCheckBox.setSelection(
 				DelegateUIHelper.loadDeprecateDelegateSetting(refactoring));
 		layouter.perform(fDeprecateDelegateCheckBox);
 		refactoring.setDeprecateDelegates(
 				fDeprecateDelegateCheckBox.getSelection());
 		fDeprecateDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				refactoring.setDeprecateDelegates(
 						fDeprecateDelegateCheckBox.getSelection());
 			}
 		});
 		if (fLeaveDelegateCheckBox != null) {
 			fDeprecateDelegateCheckBox
 					.setEnabled(fLeaveDelegateCheckBox.getSelection());
 			fLeaveDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					fDeprecateDelegateCheckBox
 							.setEnabled(fLeaveDelegateCheckBox.getSelection());
 				}
 			});
 		}
 	}

 	protected void updateLeaveDelegateCheckbox(int delegateCount) {
 		if (fLeaveDelegateCheckBox == null)
 			return;
 		final IDelegateUpdating refactoring = getRefactoring()
 				.getAdapter(IDelegateUpdating.class);
 		fLeaveDelegateCheckBox.setEnabled(delegateCount > 0);
 		fLeaveDelegateCheckBox.setText(
 				refactoring.getDelegateUpdatingTitle(delegateCount > 1));
 		if (delegateCount == 0) {
 			fLeaveDelegateCheckBox.setSelection(false);
 			refactoring.setDelegateUpdating(false);
 		}
 	}

 	protected String getLabelText() {
 		return RefactoringMessages.RenameInputWizardPage_new_name;
 	}

 	protected boolean getBooleanSetting(String key, boolean defaultValue) {
 		String update = getRefactoringSettings().get(key);
 		if (update != null) {
 			return Boolean.valueOf(update).booleanValue();
 		}
 		return defaultValue;
 	}

 	protected void saveBooleanSetting(String key, Button checkBox) {
 		if (checkBox != null)
 			getRefactoringSettings().put(key, checkBox.getSelection());
 	}

 	private static Button createCheckbox(Composite parent, String title,
 			boolean value, RowLayouter layouter) {
 		Button checkBox = new Button(parent, SWT.CHECK);
 		checkBox.setText(title);
 		checkBox.setSelection(value);
 		layouter.perform(checkBox);
 		return checkBox;
 	}

 	private void updateForcePreview() {
 		boolean forcePreview = false;
 		Refactoring refactoring = getRefactoring();
 		ITextUpdating tu = refactoring.getAdapter(ITextUpdating.class);
 		IQualifiedNameUpdating qu = refactoring
 				.getAdapter(IQualifiedNameUpdating.class);
 		if (tu != null) {
 			forcePreview = tu.getUpdateTextualMatches();
 		}
 		if (qu != null) {
 			forcePreview |= qu.getUpdateQualifiedNames();
 		}
 		getRefactoringWizard().setForcePreviewReview(forcePreview);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2018 IBM Corporation and others.
	* This program and the accompanying materials are made available under the
	* terms of the Eclipse Public License v. 2.0 which is available at
	* http://www.eclipse.org/legal/epl-2.0.
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	*******************************************************************************/
	package org.eclipse.dltk.internal.ui.refactoring.reorg;

	import org.eclipse.dltk.internal.corext.refactoring.tagging.IDelegateUpdating;
	import org.eclipse.dltk.internal.corext.refactoring.tagging.INameUpdating;
	import org.eclipse.dltk.internal.corext.refactoring.tagging.IQualifiedNameUpdating;
	import org.eclipse.dltk.internal.corext.refactoring.tagging.IReferenceUpdating;
	import org.eclipse.dltk.internal.corext.refactoring.tagging.ITextUpdating;
	import org.eclipse.dltk.internal.ui.refactoring.DelegateUIHelper;
	import org.eclipse.dltk.internal.ui.refactoring.QualifiedNameComponent;
	import org.eclipse.dltk.internal.ui.refactoring.RefactoringMessages;
	import org.eclipse.dltk.internal.ui.refactoring.TextInputWizardPage;
	import org.eclipse.dltk.internal.ui.util.RowLayouter;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.ltk.core.refactoring.Refactoring;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;

	abstract class RenameInputWizardPage extends TextInputWizardPage {

	private String fHelpContextID;
	private Button fUpdateReferences;
	private Button fUpdateTextualMatches;
	private Button fUpdateQualifiedNames;
	private Button fLeaveDelegateCheckBox;
	private Button fDeprecateDelegateCheckBox;
	private QualifiedNameComponent fQualifiedNameComponent;

	private static final String UPDATE_TEXTUAL_MATCHES = "updateTextualMatches"; //$NON-NLS-1$
	private static final String UPDATE_QUALIFIED_NAMES = "updateQualifiedNames"; //$NON-NLS-1$

	/**
	* Creates a new text input page.
	*
	* @param isLastUserPage
	* <code>true</code> if this page is the wizard's
	* last user input page. Otherwise
	* <code>false</code>.
	* @param initialValue
	* the initial value
	*/
	public RenameInputWizardPage(String description, String contextHelpId,
	boolean isLastUserPage, String initialValue) {
	super(description, isLastUserPage, initialValue);
	fHelpContextID = contextHelpId;
	}

	@Override
	public void createControl(Composite parent) {
	Composite superComposite = new Composite(parent, SWT.NONE);
	setControl(superComposite);
	initializeDialogUnits(superComposite);
	superComposite.setLayout(new GridLayout());
	Composite composite = new Composite(superComposite, SWT.NONE);
	composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginHeight = 0;
	layout.marginWidth = 0;

	composite.setLayout(layout);
	RowLayouter layouter = new RowLayouter(2);

	Label label = new Label(composite, SWT.NONE);
	label.setText(getLabelText());

	Text text = createTextInputField(composite);
	text.selectAll();
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.widthHint = convertWidthInCharsToPixels(25);
	text.setLayoutData(gd);

	layouter.perform(label, text, 1);

	Label separator = new Label(composite, SWT.NONE);
	GridData gridData = new GridData(SWT.FILL, SWT.FILL, false, false);
	gridData.heightHint = 2;
	separator.setLayoutData(gridData);

	int indent = convertWidthInCharsToPixels(2);

	addOptionalUpdateReferencesCheckbox(composite, layouter);
	addAdditionalOptions(composite, layouter);
	addOptionalUpdateTextualMatches(composite, layouter);
	addOptionalUpdateQualifiedNameComponent(composite, layouter, indent);
	addOptionalLeaveDelegateCheckbox(composite, layouter);
	addOptionalDeprecateDelegateCheckbox(composite, layouter, indent);
	updateForcePreview();

	Dialog.applyDialogFont(superComposite);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
	fHelpContextID);
	}

	/**
	* Clients can override this method to provide more UI elements. By default,
	* does nothing
	*
	* @param composite
	* the parent composite
	* @param layouter
	* the row layouter to use
	*/
	protected void addAdditionalOptions(Composite composite,
	RowLayouter layouter) {
	// none by default
	}

	@Override
	public void setVisible(boolean visible) {
	if (visible) {
	INameUpdating nameUpdating = getRefactoring()
	.getAdapter(INameUpdating.class);
	if (nameUpdating != null) {
	String newName = getNewName(nameUpdating);
	if (newName != null && newName.length() > 0
	&& !newName.equals(getInitialValue())) {
	Text textField = getTextField();
	textField.setText(newName);
	textField.setSelection(0, newName.length());
	}
	}
	}
	super.setVisible(visible);
	}

	/**
	* Returns the new name for the Script element or <code>null</code> if no
	* new name is provided
	*
	* @return the new name or <code>null</code>
	*/
	protected String getNewName(INameUpdating nameUpdating) {
	return nameUpdating.getNewElementName();
	}

	protected boolean saveSettings() {
	if (getContainer() instanceof Dialog)
	return ((Dialog) getContainer())
	.getReturnCode() == IDialogConstants.OK_ID;
	return true;
	}

	@Override
	public void dispose() {
	if (saveSettings()) {
	saveBooleanSetting(UPDATE_TEXTUAL_MATCHES, fUpdateTextualMatches);
	saveBooleanSetting(UPDATE_QUALIFIED_NAMES, fUpdateQualifiedNames);
	if (fQualifiedNameComponent != null)
	fQualifiedNameComponent.savePatterns(getRefactoringSettings());
	DelegateUIHelper.saveLeaveDelegateSetting(fLeaveDelegateCheckBox);
	DelegateUIHelper
	.saveDeprecateDelegateSetting(fDeprecateDelegateCheckBox);
	}
	super.dispose();
	}

	private void addOptionalUpdateReferencesCheckbox(Composite result,
	RowLayouter layouter) {
	final IReferenceUpdating ref = getRefactoring()
	.getAdapter(IReferenceUpdating.class);
	if (ref == null \|\| !ref.canEnableUpdateReferences())
	return;
	String title = RefactoringMessages.RenameInputWizardPage_update_references;
	boolean defaultValue = true; // bug 77901
	fUpdateReferences = createCheckbox(result, title, defaultValue,
	layouter);
	ref.setUpdateReferences(fUpdateReferences.getSelection());
	fUpdateReferences.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	ref.setUpdateReferences(fUpdateReferences.getSelection());
	}
	});
	}

	private void addOptionalUpdateTextualMatches(Composite result,
	RowLayouter layouter) {
	final ITextUpdating refactoring = getRefactoring()
	.getAdapter(ITextUpdating.class);
	if (refactoring == null \|\| !refactoring.canEnableTextUpdating())
	return;
	String title = RefactoringMessages.RenameInputWizardPage_update_textual_matches;
	boolean defaultValue = getBooleanSetting(UPDATE_TEXTUAL_MATCHES,
	refactoring.getUpdateTextualMatches());
	fUpdateTextualMatches = createCheckbox(result, title, defaultValue,
	layouter);
	refactoring
	.setUpdateTextualMatches(fUpdateTextualMatches.getSelection());
	fUpdateTextualMatches.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	refactoring.setUpdateTextualMatches(
	fUpdateTextualMatches.getSelection());
	updateForcePreview();
	}
	});
	}

	private void addOptionalUpdateQualifiedNameComponent(Composite parent,
	RowLayouter layouter, int marginWidth) {
	final IQualifiedNameUpdating ref = getRefactoring()
	.getAdapter(IQualifiedNameUpdating.class);
	if (ref == null \|\| !ref.canEnableQualifiedNameUpdating())
	return;
	fUpdateQualifiedNames = new Button(parent, SWT.CHECK);
	int indent = marginWidth
	+ fUpdateQualifiedNames.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
	fUpdateQualifiedNames.setText(
	RefactoringMessages.RenameInputWizardPage_update_qualified_names);
	layouter.perform(fUpdateQualifiedNames);

	fQualifiedNameComponent = new QualifiedNameComponent(parent, SWT.NONE,
	ref, getRefactoringSettings());
	layouter.perform(fQualifiedNameComponent);
	GridData gd = (GridData) fQualifiedNameComponent.getLayoutData();
	gd.horizontalAlignment = GridData.FILL;
	gd.horizontalIndent = indent;

	boolean defaultSelection = getBooleanSetting(UPDATE_QUALIFIED_NAMES,
	ref.getUpdateQualifiedNames());
	fUpdateQualifiedNames.setSelection(defaultSelection);
	updateQulifiedNameUpdating(ref, defaultSelection);

	fUpdateQualifiedNames.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	boolean enabled = ((Button) e.widget).getSelection();
	updateQulifiedNameUpdating(ref, enabled);
	}
	});
	}

	private void updateQulifiedNameUpdating(final IQualifiedNameUpdating ref,
	boolean enabled) {
	fQualifiedNameComponent.setEnabled(enabled);
	ref.setUpdateQualifiedNames(enabled);
	updateForcePreview();
	}

	private void addOptionalLeaveDelegateCheckbox(Composite result,
	RowLayouter layouter) {
	final IDelegateUpdating refactoring = getRefactoring()
	.getAdapter(IDelegateUpdating.class);
	if (refactoring == null \|\| !refactoring.canEnableDelegateUpdating())
	return;
	fLeaveDelegateCheckBox = createCheckbox(result,
	refactoring.getDelegateUpdatingTitle(false),
	DelegateUIHelper.loadLeaveDelegateSetting(refactoring),
	layouter);
	refactoring.setDelegateUpdating(fLeaveDelegateCheckBox.getSelection());
	fLeaveDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	refactoring.setDelegateUpdating(
	fLeaveDelegateCheckBox.getSelection());
	}
	});
	}

	private void addOptionalDeprecateDelegateCheckbox(Composite result,
	RowLayouter layouter, int marginWidth) {
	final IDelegateUpdating refactoring = getRefactoring()
	.getAdapter(IDelegateUpdating.class);
	if (refactoring == null \|\| !refactoring.canEnableDelegateUpdating())
	return;
	fDeprecateDelegateCheckBox = new Button(result, SWT.CHECK);
	GridData data = new GridData();
	data.horizontalAlignment = GridData.FILL;
	data.horizontalIndent = (marginWidth + fDeprecateDelegateCheckBox
	.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
	fDeprecateDelegateCheckBox.setLayoutData(data);
	fDeprecateDelegateCheckBox
	.setText(DelegateUIHelper.getDeprecateDelegateCheckBoxTitle());
	fDeprecateDelegateCheckBox.setSelection(
	DelegateUIHelper.loadDeprecateDelegateSetting(refactoring));
	layouter.perform(fDeprecateDelegateCheckBox);
	refactoring.setDeprecateDelegates(
	fDeprecateDelegateCheckBox.getSelection());
	fDeprecateDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	refactoring.setDeprecateDelegates(
	fDeprecateDelegateCheckBox.getSelection());
	}
	});
	if (fLeaveDelegateCheckBox != null) {
	fDeprecateDelegateCheckBox
	.setEnabled(fLeaveDelegateCheckBox.getSelection());
	fLeaveDelegateCheckBox.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	fDeprecateDelegateCheckBox
	.setEnabled(fLeaveDelegateCheckBox.getSelection());
	}
	});
	}
	}

	protected void updateLeaveDelegateCheckbox(int delegateCount) {
	if (fLeaveDelegateCheckBox == null)
	return;
	final IDelegateUpdating refactoring = getRefactoring()
	.getAdapter(IDelegateUpdating.class);
	fLeaveDelegateCheckBox.setEnabled(delegateCount > 0);
	fLeaveDelegateCheckBox.setText(
	refactoring.getDelegateUpdatingTitle(delegateCount > 1));
	if (delegateCount == 0) {
	fLeaveDelegateCheckBox.setSelection(false);
	refactoring.setDelegateUpdating(false);
	}
	}

	protected String getLabelText() {
	return RefactoringMessages.RenameInputWizardPage_new_name;
	}

	protected boolean getBooleanSetting(String key, boolean defaultValue) {
	String update = getRefactoringSettings().get(key);
	if (update != null) {
	return Boolean.valueOf(update).booleanValue();
	}
	return defaultValue;
	}

	protected void saveBooleanSetting(String key, Button checkBox) {
	if (checkBox != null)
	getRefactoringSettings().put(key, checkBox.getSelection());
	}

	private static Button createCheckbox(Composite parent, String title,
	boolean value, RowLayouter layouter) {
	Button checkBox = new Button(parent, SWT.CHECK);
	checkBox.setText(title);
	checkBox.setSelection(value);
	layouter.perform(checkBox);
	return checkBox;
	}

	private void updateForcePreview() {
	boolean forcePreview = false;
	Refactoring refactoring = getRefactoring();
	ITextUpdating tu = refactoring.getAdapter(ITextUpdating.class);
	IQualifiedNameUpdating qu = refactoring
	.getAdapter(IQualifiedNameUpdating.class);
	if (tu != null) {
	forcePreview = tu.getUpdateTextualMatches();
	}
	if (qu != null) {
	forcePreview \|= qu.getUpdateQualifiedNames();
	}
	getRefactoringWizard().setForcePreviewReview(forcePreview);
	}
	}