org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaBasePreferencePage.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2017 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.preferences;

 import java.util.ArrayList;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 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.Control;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.core.runtime.preferences.InstanceScope;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.PreferencePage;

 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPreferencePage;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.preferences.ScopedPreferenceStore;

 import org.eclipse.jdt.core.JavaCore;

 import org.eclipse.jdt.ui.PreferenceConstants;

 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
 import org.eclipse.jdt.internal.ui.JavaPlugin;
 import org.eclipse.jdt.internal.ui.dialogs.OptionalMessageDialog;
 import org.eclipse.jdt.internal.ui.refactoring.RefactoringSavePreferences;
 import org.eclipse.jdt.internal.ui.util.SWTUtil;

 /*
  * The page for setting general Java plug-in preferences.
  * See PreferenceConstants to access or change these values through public API.
  */
 public class JavaBasePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

 	public static final String JAVA_BASE_PREF_PAGE_ID= "org.eclipse.jdt.ui.preferences.JavaBasePreferencePage"; //$NON-NLS-1$

 	private static final String PREFERENCE_STORE_KEY= "preferenceStore"; //$NON-NLS-1$

 	private static final String OPEN_TYPE_HIERARCHY= PreferenceConstants.OPEN_TYPE_HIERARCHY;
 	private static final String OPEN_TYPE_HIERARCHY_IN_PERSPECTIVE= PreferenceConstants.OPEN_TYPE_HIERARCHY_IN_PERSPECTIVE;
 	private static final String OPEN_TYPE_HIERARCHY_IN_VIEW_PART= PreferenceConstants.OPEN_TYPE_HIERARCHY_IN_VIEW_PART;

 	private static final String DOUBLE_CLICK= PreferenceConstants.DOUBLE_CLICK;
 	private static final String DOUBLE_CLICK_GOES_INTO= PreferenceConstants.DOUBLE_CLICK_GOES_INTO;
 	private static final String DOUBLE_CLICK_EXPANDS= PreferenceConstants.DOUBLE_CLICK_EXPANDS;

 	private ArrayList<Button> fCheckBoxes;
 	private ArrayList<Button> fRadioButtons;
 	private ArrayList<Text> fTextControls;

 	private IPreferenceStore fJavaCorePreferences;
 	private static final String ENABLE_NEW_JAVA_INDEX= "enableNewJavaIndex"; //JavaIndex.ENABLE_NEW_JAVA_INDEX //$NON-NLS-1$


 	public JavaBasePreferencePage() {
 		super();
 		setPreferenceStore(JavaPlugin.getDefault().getPreferenceStore());
 		setDescription(PreferencesMessages.JavaBasePreferencePage_description);

 		fJavaCorePreferences = new ScopedPreferenceStore(InstanceScope.INSTANCE, JavaCore.PLUGIN_ID);
 		fRadioButtons= new ArrayList<>();
 		fCheckBoxes= new ArrayList<>();
 		fTextControls= new ArrayList<>();
 	}

 	/*
 	 * @see IWorkbenchPreferencePage#init(IWorkbench)
 	 */
 	@Override
 	public void init(IWorkbench workbench) {
 	}

 	/*
 	 * @see PreferencePage#createControl(Composite)
 	 */
 	@Override
 	public void createControl(Composite parent) {
 		super.createControl(parent);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.JAVA_BASE_PREFERENCE_PAGE);
 	}

 	private Button addRadioButton(Composite parent, String label, String key, String value) {
 		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);

 		Button button= new Button(parent, SWT.RADIO);
 		button.setText(label);
 		button.setData(new String[] { key, value });
 		button.setLayoutData(gd);

 		button.setSelection(value.equals(getPreferenceStore().getString(key)));

 		fRadioButtons.add(button);
 		return button;
 	}

 	private Button addCheckBox(Composite parent, String label, IPreferenceStore preferenceStore, String key) {
 		if (preferenceStore == null) {
 			preferenceStore = getPreferenceStore();
 		}
 		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);

 		Button button= new Button(parent, SWT.CHECK);
 		button.setText(label);
 		button.setData(key);
 		button.setData(PREFERENCE_STORE_KEY, preferenceStore);
 		button.setLayoutData(gd);

 		button.setSelection(preferenceStore.getBoolean(key));

 		fCheckBoxes.add(button);
 		return button;
 	}

 	@Override
 	protected Control createContents(Composite parent) {
 		initializeDialogUnits(parent);

 		Composite result= new Composite(parent, SWT.NONE);
 		GridLayout layout= new GridLayout();
 		layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
 		layout.marginWidth= 0;
 		layout.verticalSpacing= convertVerticalDLUsToPixels(10);
 		layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
 		result.setLayout(layout);

 		// new Label(composite, SWT.NONE); // spacer
 		// Group linkSettings= new Group(result, SWT.NONE);
 		// linkSettings.setLayout(new GridLayout());
 		// linkSettings.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		// linkSettings.setText(PreferencesMessages.getString("JavaBasePreferencePage.linkSettings.text")); //$NON-NLS-1$
 		//addCheckBox(linkSettings, PreferencesMessages.getString("JavaBasePreferencePage.linkJavaBrowsingViewsCheckbox.text"), LINK_BROWSING_VIEW_TO_EDITOR); //$NON-NLS-1$
 		//addCheckBox(linkSettings, PreferencesMessages.getString("JavaBasePreferencePage.linkPackageView"), LINK_PACKAGES_TO_EDITOR); //$NON-NLS-1$
 		//addCheckBox(linkSettings, PreferencesMessages.getString("JavaBasePreferencePage.linkTypeHierarchy"), LINK_TYPEHIERARCHY_TO_EDITOR); //$NON-NLS-1$

 		// new Label(result, SWT.NONE); // spacer

 		Group doubleClickGroup= new Group(result, SWT.NONE);
 		doubleClickGroup.setLayout(new GridLayout());
 		doubleClickGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		doubleClickGroup.setText(PreferencesMessages.JavaBasePreferencePage_doubleclick_action);
 		addRadioButton(doubleClickGroup, PreferencesMessages.JavaBasePreferencePage_doubleclick_gointo, DOUBLE_CLICK, DOUBLE_CLICK_GOES_INTO);
 		addRadioButton(doubleClickGroup, PreferencesMessages.JavaBasePreferencePage_doubleclick_expand, DOUBLE_CLICK, DOUBLE_CLICK_EXPANDS);

 		// new Label(result, SWT.NONE); // spacer

 		Group typeHierarchyGroup= new Group(result, SWT.NONE);
 		typeHierarchyGroup.setLayout(new GridLayout());
 		typeHierarchyGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		typeHierarchyGroup.setText(PreferencesMessages.JavaBasePreferencePage_openTypeHierarchy);
 		addRadioButton(typeHierarchyGroup, PreferencesMessages.JavaBasePreferencePage_inPerspective, OPEN_TYPE_HIERARCHY, OPEN_TYPE_HIERARCHY_IN_PERSPECTIVE);
 		addRadioButton(typeHierarchyGroup, PreferencesMessages.JavaBasePreferencePage_inView, OPEN_TYPE_HIERARCHY, OPEN_TYPE_HIERARCHY_IN_VIEW_PART);

 		Group refactoringGroup= new Group(result, SWT.NONE);
 		refactoringGroup.setLayout(new GridLayout());
 		refactoringGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		refactoringGroup.setText(PreferencesMessages.JavaBasePreferencePage_refactoring_title);
 		addCheckBox(refactoringGroup,
 			PreferencesMessages.JavaBasePreferencePage_refactoring_auto_save,
 			null,
 			RefactoringSavePreferences.PREF_SAVE_ALL_EDITORS);
 		addCheckBox(refactoringGroup,
 				PreferencesMessages.JavaBasePreferencePage_refactoring_lightweight,
 				null,
 				PreferenceConstants.REFACTOR_LIGHTWEIGHT);

 		Group group= new Group(result, SWT.NONE);
 		group.setLayout(new GridLayout());
 		group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		group.setText(PreferencesMessages.JavaBasePreferencePage_search);

 		addCheckBox(group, PreferencesMessages.JavaBasePreferencePage_search_small_menu, null, PreferenceConstants.SEARCH_USE_REDUCED_MENU);
 		addCheckBox(group, PreferencesMessages.JavaBasePreferencePage_EnableNewJavaIndex, fJavaCorePreferences, ENABLE_NEW_JAVA_INDEX);

 		Button rebuildIndexButton= new Button(group, SWT.PUSH);
 		rebuildIndexButton.setText(PreferencesMessages.JavaBasePreferencePage_rebuildIndexButtonName);
 		rebuildIndexButton.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, false, false));
 		rebuildIndexButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				Job job= Job.create(PreferencesMessages.JavaBasePreferencePage_rebuildingIndexJobName, monitor -> {
 					JavaCore.rebuildIndex(monitor);
 				});
 				job.setUser(true);
 				job.schedule();
 			}
 		});
 		SWTUtil.setButtonDimensionHint(rebuildIndexButton);

 		layout= new GridLayout();
 		layout.numColumns= 2;

 		Group dontAskGroup= new Group(result, SWT.NONE);
 		dontAskGroup.setLayout(layout);
 		dontAskGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		dontAskGroup.setText(PreferencesMessages.JavaBasePreferencePage_dialogs);

 		Label label= new Label(dontAskGroup, SWT.WRAP);
 		label.setText(PreferencesMessages.JavaBasePreferencePage_do_not_hide_description);
 		GridData data= new GridData(GridData.FILL, GridData.CENTER, true, false);
 		data.widthHint= convertVerticalDLUsToPixels(50);
 		label.setLayoutData(data);

 		Button clearButton= new Button(dontAskGroup, SWT.PUSH);
 		clearButton.setText(PreferencesMessages.JavaBasePreferencePage_do_not_hide_button);
 		clearButton.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, false, false));
 		clearButton.addSelectionListener(new SelectionListener() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				unhideAllDialogs();
 			}
 			@Override
 			public void widgetDefaultSelected(SelectionEvent e) {
 				unhideAllDialogs();
 			}
 		});


 		SWTUtil.setButtonDimensionHint(clearButton);
 		Dialog.applyDialogFont(result);
 		return result;
 	}

 	protected final void unhideAllDialogs() {
 		OptionalMessageDialog.clearAllRememberedStates();
 		MessageDialog.openInformation(getShell(), PreferencesMessages.JavaBasePreferencePage_do_not_hide_dialog_title, PreferencesMessages.JavaBasePreferencePage_do_not_hide_dialog_message);
 	}

 	/*
 	 * @see PreferencePage#performDefaults()
 	 */
 	@Override
 	protected void performDefaults() {
 		for (int i= 0; i < fCheckBoxes.size(); i++) {
 			Button button= fCheckBoxes.get(i);
 			String key= (String) button.getData();
 			IPreferenceStore buttonPreferenceStore = (IPreferenceStore) button.getData(PREFERENCE_STORE_KEY);
 			button.setSelection(buttonPreferenceStore.getDefaultBoolean(key));
 		}
 		IPreferenceStore store= getPreferenceStore();
 		for (int i= 0; i < fRadioButtons.size(); i++) {
 			Button button= fRadioButtons.get(i);
 			String[] info= (String[]) button.getData();
 			button.setSelection(info[1].equals(store.getDefaultString(info[0])));
 		}
 		for (int i= 0; i < fTextControls.size(); i++) {
 			Text text= fTextControls.get(i);
 			String key= (String) text.getData();
 			text.setText(store.getDefaultString(key));
 		}
 		super.performDefaults();
 	}

 	/*
 	 * @see IPreferencePage#performOk()
 	 */
 	@Override
 	public boolean performOk() {
 		for (int i= 0; i < fCheckBoxes.size(); i++) {
 			Button button= fCheckBoxes.get(i);
 			String key= (String) button.getData();
 			IPreferenceStore buttonPreferenceStore = (IPreferenceStore) button.getData(PREFERENCE_STORE_KEY);
 			buttonPreferenceStore.setValue(key, button.getSelection());
 		}
 		IPreferenceStore store= getPreferenceStore();
 		for (int i= 0; i < fRadioButtons.size(); i++) {
 			Button button= fRadioButtons.get(i);
 			if (button.getSelection()) {
 				String[] info= (String[]) button.getData();
 				store.setValue(info[0], info[1]);
 			}
 		}
 		for (int i= 0; i < fTextControls.size(); i++) {
 			Text text= fTextControls.get(i);
 			String key= (String) text.getData();
 			store.setValue(key, text.getText());
 		}

 		JavaPlugin.flushInstanceScope();
 		return super.performOk();
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2000, 2017 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.preferences;

	import java.util.ArrayList;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	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.Control;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	import org.eclipse.core.runtime.jobs.Job;
	import org.eclipse.core.runtime.preferences.InstanceScope;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.preference.PreferencePage;

	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.IWorkbenchPreferencePage;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.preferences.ScopedPreferenceStore;

	import org.eclipse.jdt.core.JavaCore;

	import org.eclipse.jdt.ui.PreferenceConstants;

	import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
	import org.eclipse.jdt.internal.ui.JavaPlugin;
	import org.eclipse.jdt.internal.ui.dialogs.OptionalMessageDialog;
	import org.eclipse.jdt.internal.ui.refactoring.RefactoringSavePreferences;
	import org.eclipse.jdt.internal.ui.util.SWTUtil;

	/*
	* The page for setting general Java plug-in preferences.
	* See PreferenceConstants to access or change these values through public API.
	*/
	public class JavaBasePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

	public static final String JAVA_BASE_PREF_PAGE_ID= "org.eclipse.jdt.ui.preferences.JavaBasePreferencePage"; //$NON-NLS-1$

	private static final String PREFERENCE_STORE_KEY= "preferenceStore"; //$NON-NLS-1$

	private static final String OPEN_TYPE_HIERARCHY= PreferenceConstants.OPEN_TYPE_HIERARCHY;
	private static final String OPEN_TYPE_HIERARCHY_IN_PERSPECTIVE= PreferenceConstants.OPEN_TYPE_HIERARCHY_IN_PERSPECTIVE;
	private static final String OPEN_TYPE_HIERARCHY_IN_VIEW_PART= PreferenceConstants.OPEN_TYPE_HIERARCHY_IN_VIEW_PART;

	private static final String DOUBLE_CLICK= PreferenceConstants.DOUBLE_CLICK;
	private static final String DOUBLE_CLICK_GOES_INTO= PreferenceConstants.DOUBLE_CLICK_GOES_INTO;
	private static final String DOUBLE_CLICK_EXPANDS= PreferenceConstants.DOUBLE_CLICK_EXPANDS;

	private ArrayList<Button> fCheckBoxes;
	private ArrayList<Button> fRadioButtons;
	private ArrayList<Text> fTextControls;

	private IPreferenceStore fJavaCorePreferences;
	private static final String ENABLE_NEW_JAVA_INDEX= "enableNewJavaIndex"; //JavaIndex.ENABLE_NEW_JAVA_INDEX //$NON-NLS-1$


	public JavaBasePreferencePage() {
	super();
	setPreferenceStore(JavaPlugin.getDefault().getPreferenceStore());
	setDescription(PreferencesMessages.JavaBasePreferencePage_description);

	fJavaCorePreferences = new ScopedPreferenceStore(InstanceScope.INSTANCE, JavaCore.PLUGIN_ID);
	fRadioButtons= new ArrayList<>();
	fCheckBoxes= new ArrayList<>();
	fTextControls= new ArrayList<>();
	}

	/*
	* @see IWorkbenchPreferencePage#init(IWorkbench)
	*/
	@Override
	public void init(IWorkbench workbench) {
	}

	/*
	* @see PreferencePage#createControl(Composite)
	*/
	@Override
	public void createControl(Composite parent) {
	super.createControl(parent);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaHelpContextIds.JAVA_BASE_PREFERENCE_PAGE);
	}

	private Button addRadioButton(Composite parent, String label, String key, String value) {
	GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);

	Button button= new Button(parent, SWT.RADIO);
	button.setText(label);
	button.setData(new String[] { key, value });
	button.setLayoutData(gd);

	button.setSelection(value.equals(getPreferenceStore().getString(key)));

	fRadioButtons.add(button);
	return button;
	}

	private Button addCheckBox(Composite parent, String label, IPreferenceStore preferenceStore, String key) {
	if (preferenceStore == null) {
	preferenceStore = getPreferenceStore();
	}
	GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);

	Button button= new Button(parent, SWT.CHECK);
	button.setText(label);
	button.setData(key);
	button.setData(PREFERENCE_STORE_KEY, preferenceStore);
	button.setLayoutData(gd);

	button.setSelection(preferenceStore.getBoolean(key));

	fCheckBoxes.add(button);
	return button;
	}

	@Override
	protected Control createContents(Composite parent) {
	initializeDialogUnits(parent);

	Composite result= new Composite(parent, SWT.NONE);
	GridLayout layout= new GridLayout();
	layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
	layout.marginWidth= 0;
	layout.verticalSpacing= convertVerticalDLUsToPixels(10);
	layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
	result.setLayout(layout);

	// new Label(composite, SWT.NONE); // spacer
	// Group linkSettings= new Group(result, SWT.NONE);
	// linkSettings.setLayout(new GridLayout());
	// linkSettings.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	// linkSettings.setText(PreferencesMessages.getString("JavaBasePreferencePage.linkSettings.text")); //$NON-NLS-1$
	//addCheckBox(linkSettings, PreferencesMessages.getString("JavaBasePreferencePage.linkJavaBrowsingViewsCheckbox.text"), LINK_BROWSING_VIEW_TO_EDITOR); //$NON-NLS-1$
	//addCheckBox(linkSettings, PreferencesMessages.getString("JavaBasePreferencePage.linkPackageView"), LINK_PACKAGES_TO_EDITOR); //$NON-NLS-1$
	//addCheckBox(linkSettings, PreferencesMessages.getString("JavaBasePreferencePage.linkTypeHierarchy"), LINK_TYPEHIERARCHY_TO_EDITOR); //$NON-NLS-1$

	// new Label(result, SWT.NONE); // spacer

	Group doubleClickGroup= new Group(result, SWT.NONE);
	doubleClickGroup.setLayout(new GridLayout());
	doubleClickGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	doubleClickGroup.setText(PreferencesMessages.JavaBasePreferencePage_doubleclick_action);
	addRadioButton(doubleClickGroup, PreferencesMessages.JavaBasePreferencePage_doubleclick_gointo, DOUBLE_CLICK, DOUBLE_CLICK_GOES_INTO);
	addRadioButton(doubleClickGroup, PreferencesMessages.JavaBasePreferencePage_doubleclick_expand, DOUBLE_CLICK, DOUBLE_CLICK_EXPANDS);

	// new Label(result, SWT.NONE); // spacer

	Group typeHierarchyGroup= new Group(result, SWT.NONE);
	typeHierarchyGroup.setLayout(new GridLayout());
	typeHierarchyGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	typeHierarchyGroup.setText(PreferencesMessages.JavaBasePreferencePage_openTypeHierarchy);
	addRadioButton(typeHierarchyGroup, PreferencesMessages.JavaBasePreferencePage_inPerspective, OPEN_TYPE_HIERARCHY, OPEN_TYPE_HIERARCHY_IN_PERSPECTIVE);
	addRadioButton(typeHierarchyGroup, PreferencesMessages.JavaBasePreferencePage_inView, OPEN_TYPE_HIERARCHY, OPEN_TYPE_HIERARCHY_IN_VIEW_PART);

	Group refactoringGroup= new Group(result, SWT.NONE);
	refactoringGroup.setLayout(new GridLayout());
	refactoringGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	refactoringGroup.setText(PreferencesMessages.JavaBasePreferencePage_refactoring_title);
	addCheckBox(refactoringGroup,
	PreferencesMessages.JavaBasePreferencePage_refactoring_auto_save,
	null,
	RefactoringSavePreferences.PREF_SAVE_ALL_EDITORS);
	addCheckBox(refactoringGroup,
	PreferencesMessages.JavaBasePreferencePage_refactoring_lightweight,
	null,
	PreferenceConstants.REFACTOR_LIGHTWEIGHT);

	Group group= new Group(result, SWT.NONE);
	group.setLayout(new GridLayout());
	group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	group.setText(PreferencesMessages.JavaBasePreferencePage_search);

	addCheckBox(group, PreferencesMessages.JavaBasePreferencePage_search_small_menu, null, PreferenceConstants.SEARCH_USE_REDUCED_MENU);
	addCheckBox(group, PreferencesMessages.JavaBasePreferencePage_EnableNewJavaIndex, fJavaCorePreferences, ENABLE_NEW_JAVA_INDEX);

	Button rebuildIndexButton= new Button(group, SWT.PUSH);
	rebuildIndexButton.setText(PreferencesMessages.JavaBasePreferencePage_rebuildIndexButtonName);
	rebuildIndexButton.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, false, false));
	rebuildIndexButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	Job job= Job.create(PreferencesMessages.JavaBasePreferencePage_rebuildingIndexJobName, monitor -> {
	JavaCore.rebuildIndex(monitor);
	});
	job.setUser(true);
	job.schedule();
	}
	});
	SWTUtil.setButtonDimensionHint(rebuildIndexButton);

	layout= new GridLayout();
	layout.numColumns= 2;

	Group dontAskGroup= new Group(result, SWT.NONE);
	dontAskGroup.setLayout(layout);
	dontAskGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	dontAskGroup.setText(PreferencesMessages.JavaBasePreferencePage_dialogs);

	Label label= new Label(dontAskGroup, SWT.WRAP);
	label.setText(PreferencesMessages.JavaBasePreferencePage_do_not_hide_description);
	GridData data= new GridData(GridData.FILL, GridData.CENTER, true, false);
	data.widthHint= convertVerticalDLUsToPixels(50);
	label.setLayoutData(data);

	Button clearButton= new Button(dontAskGroup, SWT.PUSH);
	clearButton.setText(PreferencesMessages.JavaBasePreferencePage_do_not_hide_button);
	clearButton.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, false, false));
	clearButton.addSelectionListener(new SelectionListener() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	unhideAllDialogs();
	}
	@Override
	public void widgetDefaultSelected(SelectionEvent e) {
	unhideAllDialogs();
	}
	});


	SWTUtil.setButtonDimensionHint(clearButton);
	Dialog.applyDialogFont(result);
	return result;
	}

	protected final void unhideAllDialogs() {
	OptionalMessageDialog.clearAllRememberedStates();
	MessageDialog.openInformation(getShell(), PreferencesMessages.JavaBasePreferencePage_do_not_hide_dialog_title, PreferencesMessages.JavaBasePreferencePage_do_not_hide_dialog_message);
	}

	/*
	* @see PreferencePage#performDefaults()
	*/
	@Override
	protected void performDefaults() {
	for (int i= 0; i < fCheckBoxes.size(); i++) {
	Button button= fCheckBoxes.get(i);
	String key= (String) button.getData();
	IPreferenceStore buttonPreferenceStore = (IPreferenceStore) button.getData(PREFERENCE_STORE_KEY);
	button.setSelection(buttonPreferenceStore.getDefaultBoolean(key));
	}
	IPreferenceStore store= getPreferenceStore();
	for (int i= 0; i < fRadioButtons.size(); i++) {
	Button button= fRadioButtons.get(i);
	String[] info= (String[]) button.getData();
	button.setSelection(info[1].equals(store.getDefaultString(info[0])));
	}
	for (int i= 0; i < fTextControls.size(); i++) {
	Text text= fTextControls.get(i);
	String key= (String) text.getData();
	text.setText(store.getDefaultString(key));
	}
	super.performDefaults();
	}

	/*
	* @see IPreferencePage#performOk()
	*/
	@Override
	public boolean performOk() {
	for (int i= 0; i < fCheckBoxes.size(); i++) {
	Button button= fCheckBoxes.get(i);
	String key= (String) button.getData();
	IPreferenceStore buttonPreferenceStore = (IPreferenceStore) button.getData(PREFERENCE_STORE_KEY);
	buttonPreferenceStore.setValue(key, button.getSelection());
	}
	IPreferenceStore store= getPreferenceStore();
	for (int i= 0; i < fRadioButtons.size(); i++) {
	Button button= fRadioButtons.get(i);
	if (button.getSelection()) {
	String[] info= (String[]) button.getData();
	store.setValue(info[0], info[1]);
	}
	}
	for (int i= 0; i < fTextControls.size(); i++) {
	Text text= fTextControls.get(i);
	String key= (String) text.getData();
	store.setValue(key, text.getText());
	}

	JavaPlugin.flushInstanceScope();
	return super.performOk();
	}


	}