ExtractTempWizard.java

/*******************************************************************************
 * 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.dltk.javascript.internal.ui.refactoring;

import org.eclipse.dltk.internal.javascript.corext.refactoring.code.ExtractTempRefactoring;
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.IDialogSettings;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
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;

public class ExtractTempWizard extends RefactoringWizard {

	/* package */static final String DIALOG_SETTING_SECTION = "ExtractTempWizard"; //$NON-NLS-1$

	public ExtractTempWizard(ExtractTempRefactoring ref) {
		super(ref, DIALOG_BASED_USER_INTERFACE | PREVIEW_EXPAND_FIRST_NODE);
		setDefaultPageTitle(RefactoringMessages.ExtractTempWizard_defaultPageTitle);
	}

	/*
	 * non java-doc
	 * 
	 * @see RefactoringWizard#addUserInputPages
	 */
	protected void addUserInputPages() {
		// addPage(new
		// ExtractTempInputPage(getExtractTempRefactoring().guessTempNames()));
		addPage(new ExtractTempInputPage());
	}

	// private ExtractTempRefactoring getExtractTempRefactoring() {
	// return (ExtractTempRefactoring) getRefactoring();
	// }

	private static class ExtractTempInputPage extends TextInputWizardPage {

		//private static final String DECLARE_FINAL = "declareFinal"; //$NON-NLS-1$
		private static final String REPLACE_ALL = "replaceOccurrences"; //$NON-NLS-1$

		private final boolean fInitialValid;
		private static final String DESCRIPTION = RefactoringMessages.ExtractTempInputPage_enter_name;
		// private String[] fTempNameProposals;
		private IDialogSettings fSettings;

		public ExtractTempInputPage(/* String[] tempNameProposals */) {
			super(DESCRIPTION, true, "");
			//		tempNameProposals.length == 0 ? "" : tempNameProposals[0]); //$NON-NLS-1$
			// Assert.isNotNull(tempNameProposals);
			// fTempNameProposals = tempNameProposals;
			// fInitialValid = tempNameProposals.length > 0;
			fInitialValid = false;
		}

		public void createControl(Composite parent) {
			loadSettings();
			Composite result = new Composite(parent, SWT.NONE);
			setControl(result);
			GridLayout layout = new GridLayout();
			layout.numColumns = 2;
			layout.verticalSpacing = 8;
			result.setLayout(layout);
			RowLayouter layouter = new RowLayouter(2);

			Label label = new Label(result, SWT.NONE);
			label.setText(RefactoringMessages.ExtractTempInputPage_variable_name);

			Text text = createTextInputField(result);
			text.selectAll();
			text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
			// TODO: Local variable name proposals
			// ControlContentAssistHelper.createTextContentAssistant(text,
			// new VariableNamesProcessor(fTempNameProposals));

			layouter.perform(label, text, 1);

			addReplaceAllCheckbox(result, layouter);
			// addDeclareFinalCheckbox(result, layouter);

			validateTextField(text.getText());

			Dialog.applyDialogFont(result);
			// PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
			// IJavaHelpContextIds.EXTRACT_TEMP_WIZARD_PAGE);
		}

		private void loadSettings() {
			fSettings = getDialogSettings().getSection(
					ExtractTempWizard.DIALOG_SETTING_SECTION);
			if (fSettings == null) {
				fSettings = getDialogSettings().addNewSection(
						ExtractTempWizard.DIALOG_SETTING_SECTION);
				// fSettings.put(DECLARE_FINAL, false);
				fSettings.put(REPLACE_ALL, true);
			}
			// getExtractTempRefactoring().setDeclareFinal(
			// fSettings.getBoolean(DECLARE_FINAL));
			getExtractTempRefactoring().setReplaceAllOccurrences(
					fSettings.getBoolean(REPLACE_ALL));
		}

		private void addReplaceAllCheckbox(Composite result,
				RowLayouter layouter) {
			String title = RefactoringMessages.ExtractTempInputPage_replace_all;
			boolean defaultValue = getExtractTempRefactoring()
					.replaceAllOccurrences();
			final Button checkBox = createCheckbox(result, title, defaultValue,
					layouter);
			getExtractTempRefactoring().setReplaceAllOccurrences(
					checkBox.getSelection());
			checkBox.addSelectionListener(new SelectionAdapter() {
				public void widgetSelected(SelectionEvent e) {
					fSettings.put(REPLACE_ALL, checkBox.getSelection());
					getExtractTempRefactoring().setReplaceAllOccurrences(
							checkBox.getSelection());
				}
			});
		}

		/*
		 * private void addDeclareFinalCheckbox(Composite result, RowLayouter
		 * layouter) { String title =
		 * RefactoringMessages.ExtractTempInputPage_declare_final; boolean
		 * defaultValue = getExtractTempRefactoring().declareFinal(); final
		 * Button checkBox = createCheckbox(result, title, defaultValue,
		 * layouter); getExtractTempRefactoring()
		 * .setDeclareFinal(checkBox.getSelection());
		 * checkBox.addSelectionListener(new SelectionAdapter() { public void
		 * widgetSelected(SelectionEvent e) { fSettings.put(DECLARE_FINAL,
		 * checkBox.getSelection());
		 * getExtractTempRefactoring().setDeclareFinal(
		 * checkBox.getSelection()); } }); }
		 */

		/*
		 * @see
		 * org.eclipse.jdt.internal.ui.refactoring.TextInputWizardPage#textModified
		 * (java.lang.String)
		 */
		protected void textModified(String text) {
			getExtractTempRefactoring().setTempName(text);
			super.textModified(text);
		}

		/*
		 * @see org.eclipse.jdt.internal.ui.refactoring.TextInputWizardPage#
		 * validateTextField(String)
		 */
		protected RefactoringStatus validateTextField(String text) {
			return getExtractTempRefactoring().checkTempName(text);
		}

		private ExtractTempRefactoring getExtractTempRefactoring() {
			return (ExtractTempRefactoring) getRefactoring();
		}

		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;
		}

		/*
		 * @see org.eclipse.jdt.internal.ui.refactoring.TextInputWizardPage#
		 * isInitialInputValid()
		 */
		protected boolean isInitialInputValid() {
			return fInitialValid;
		}
	}
}