bundles/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/contentproperties/ui/WebContentSettingsPropertyPage.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004 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.wst.html.ui.internal.contentproperties.ui;

 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.swt.SWT;
 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.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.PropertyPage;
 import org.eclipse.wst.css.core.internal.contentproperties.CSSContentProperties;
 import org.eclipse.wst.css.core.internal.metamodel.CSSProfile;
 import org.eclipse.wst.css.core.internal.metamodel.CSSProfileRegistry;
 import org.eclipse.wst.html.core.internal.contentproperties.HTMLContentProperties;
 import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeEntry;
 import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeRegistry;
 import org.eclipse.wst.html.ui.internal.HTMLUIMessages;
 import org.eclipse.wst.html.ui.internal.Logger;
 import org.eclipse.wst.html.ui.internal.editor.IHelpContextIds;

 public class WebContentSettingsPropertyPage extends PropertyPage {
 	private static final String SELECT_NONE = HTMLUIMessages.UI_none;
 	private String maxLengthStringInHTMLDocumentTypeRegistry = ""; //$NON-NLS-1$

 	private class ComboSelectionListener implements SelectionListener {
 		public void widgetDefaultSelected(SelectionEvent e) {
 			// do nothing
 		}

 		public void widgetSelected(SelectionEvent e) {
 			int index = fDocumentTypeCombo.getSelectionIndex();
 			String doctype = (String) fDocumentTypeIds.get(index);
 			updateDoctypeText(index, doctype);
 		}
 	}

 	Combo fDocumentTypeCombo;
 	List fDocumentTypeIds;
 	private Text fPublicIdText;
 	private Text fSystemIdText;
 	private Combo fProfileCombo;
 	private List fProfileIds;
 	private SelectionListener fListener;

 	public WebContentSettingsPropertyPage() {
 		super();
 		setDescription(HTMLUIMessages.WebContentSettingsPropertyPage_0);
 	}

 	private Composite createComposite(Composite parent, int numColumns) {
 		Composite composite = new Composite(parent, SWT.NULL);

 		// GridLayout
 		GridLayout layout = new GridLayout();
 		layout.numColumns = numColumns;
 		composite.setLayout(layout);

 		// GridData
 		GridData data = new GridData(GridData.FILL, GridData.FILL, true, false);
 		data.horizontalIndent = 0;
 		composite.setLayoutData(data);

 		return composite;
 	}

 	protected Control createContents(Composite parent) {
 		Composite propertyPage = createComposite(parent, 2);

 		createDoctypeContents(propertyPage);
 		createCSSProfileContents(propertyPage);

 		populateValues();
 		initializeValues();
 		computeMaxWidthHint();

 		fListener = new ComboSelectionListener();
 		fDocumentTypeCombo.addSelectionListener(fListener);

 		PlatformUI.getWorkbench().getHelpSystem().setHelp(propertyPage, IHelpContextIds.WEB_CONTENT_SETTINGS_HELPID);
 		return propertyPage;
 	}

 	private void createCSSProfileContents(Composite parent) {
 		// CSS Profile
 		Text languageLabel = new Text(parent, SWT.READ_ONLY);
 		languageLabel.setText(HTMLUIMessages.UI_CSS_profile___2);
 		fProfileCombo = new Combo(parent, SWT.READ_ONLY);
 		GridData data = new GridData(GridData.FILL, GridData.FILL, true, false);
 		data.horizontalIndent = 0;
 		fProfileCombo.setLayoutData(data);
 	}

 	private void createDoctypeContents(Composite parent) {
 		// create description of implicit DOCTYPE
 		Text doctypeLabel = new Text(parent, SWT.READ_ONLY);
 		doctypeLabel.setText(HTMLUIMessages.UI_Description_of_role_of_following_DOCTYPE);
 		GridData data = new GridData(GridData.FILL, GridData.FILL, true, false);
 		data.horizontalIndent = 0;
 		data.horizontalSpan = 2;
 		doctypeLabel.setLayoutData(data);

 		// document type
 		Text languageLabel = new Text(parent, SWT.READ_ONLY);
 		languageLabel.setText(HTMLUIMessages.UI_Default_HTML_DOCTYPE_ID___1);
 		fDocumentTypeCombo = new Combo(parent, SWT.READ_ONLY);
 		data = new GridData(GridData.FILL, GridData.FILL, true, false);
 		data.horizontalIndent = 0;
 		fDocumentTypeCombo.setLayoutData(data);

 		// public ID
 		Text publicIdLabel = new Text(parent, SWT.READ_ONLY);
 		publicIdLabel.setText(HTMLUIMessages.UI_Public_ID);
 		fPublicIdText = new Text(parent, SWT.READ_ONLY | SWT.BORDER);
 		data = new GridData(GridData.FILL, GridData.FILL, true, false);
 		data.horizontalIndent = 0;
 		fPublicIdText.setLayoutData(data);

 		// system ID
 		Text systemIdLabel = new Text(parent, SWT.READ_ONLY);
 		systemIdLabel.setText(HTMLUIMessages.UI_System_ID);
 		fSystemIdText = new Text(parent, SWT.READ_ONLY | SWT.BORDER);
 		data = new GridData(GridData.FILL, GridData.FILL, true, false);
 		data.horizontalIndent = 0;
 		fSystemIdText.setLayoutData(data);

 		// create separator
 		Label label = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
 		data = new GridData();
 		data.horizontalAlignment = GridData.FILL;
 		data.horizontalSpan = 2;
 		data.verticalSpan = 8;
 		label.setLayoutData(data);
 	}

 	/**
 	 * Get the resource this properties page is for
 	 *
 	 * @return IResource for this properties page or null if there is no
 	 *         IResource
 	 */
 	private IResource getResource() {
 		IResource resource = null;
 		if (getElement() instanceof IResource) {
 			resource = (IResource) getElement();
 		}
 		return resource;
 	}

 	private String getSystemIdFrom(String publicId) {
 		if (publicId == null || publicId.length() == 0)
 			return null;
 		HTMLDocumentTypeRegistry reg = HTMLDocumentTypeRegistry.getInstance();
 		Enumeration e = reg.getEntries();
 		while (e.hasMoreElements()) {
 			HTMLDocumentTypeEntry entry = (HTMLDocumentTypeEntry) e.nextElement();
 			if (entry.getPublicId().equals(publicId))
 				return entry.getSystemId();
 		}
 		return null;
 	}

 	private void initializeValues() {
 		initializeDoctypeValues();
 		initializeCSSProfileValues();
 	}

 	private void initializeCSSProfileValues() {
 		int index = 0;
 		String profile = CSSContentProperties.getProperty(CSSContentProperties.CSS_PROFILE, getResource(), false);
 		if (profile != null && profile.length() > 0) {
 			/*
 			 * If item is already part of combo, select it. Otherwise, select
 			 * none.
 			 */
 			index = fProfileIds.indexOf(profile);
 		}
 		index = index >= 0 ? index : 0;
 		fProfileCombo.select(index);
 	}

 	private void initializeDoctypeValues() {
 		int index = 0;
 		String doctype = HTMLContentProperties.getProperty(HTMLContentProperties.DOCUMENT_TYPE, getResource(), false);
 		if (doctype != null && doctype.length() > 0) {
 			/*
 			 * If item is already part of combo, select it. Otherwise, select
 			 * none.
 			 */
 			index = fDocumentTypeIds.indexOf(doctype);
 		}

 		// set combobox
 		index = index >= 0 ? index : 0;
 		fDocumentTypeCombo.select(index);

 		updateDoctypeText(index, doctype);
 	}

 	void updateDoctypeText(int index, String doctype) {
 		if (index > 0) {
 			// set public/system id text
 			fPublicIdText.setText(doctype);
 			String systemId = getSystemIdFrom(doctype);
 			if (systemId != null)
 				fSystemIdText.setText(systemId);
 			else
 				fSystemIdText.setText(""); //$NON-NLS-1$
 		}
 		else {
 			// set public/system id text
 			fPublicIdText.setText(""); //$NON-NLS-1$
 			fSystemIdText.setText(""); //$NON-NLS-1$
 		}
 	}

 	private void populateValues() {
 		populateDoctypeValues();
 		populateCSSProfileValues();
 	}

 	private void populateCSSProfileValues() {
 		fProfileIds = new ArrayList();
 		// add none first
 		fProfileCombo.add(SELECT_NONE);
 		fProfileIds.add(null);

 		CSSProfileRegistry reg = CSSProfileRegistry.getInstance();
 		Iterator i = reg.getProfiles();
 		while (i.hasNext()) {
 			CSSProfile profile = (CSSProfile) i.next();
 			String id = profile.getProfileID();
 			String name = profile.getProfileName();
 			fProfileCombo.add(name);
 			fProfileIds.add(id);
 		}
 	}

 	private void populateDoctypeValues() {
 		fDocumentTypeIds = new ArrayList();
 		// add none first
 		fDocumentTypeCombo.add(SELECT_NONE);
 		fDocumentTypeIds.add(null);

 		HTMLDocumentTypeRegistry reg = HTMLDocumentTypeRegistry.getInstance();
 		Enumeration e = reg.getEntries();
 		while (e.hasMoreElements()) {
 			HTMLDocumentTypeEntry entry = (HTMLDocumentTypeEntry) e.nextElement();
 			String publicId = entry.getPublicId();
 			String displayName = entry.getDisplayName();
 			displayName = displayName != null ? displayName : publicId;

 			fDocumentTypeCombo.add(displayName);
 			fDocumentTypeIds.add(publicId);

 			if (displayName.length() > maxLengthStringInHTMLDocumentTypeRegistry.length()) {
 				maxLengthStringInHTMLDocumentTypeRegistry = displayName;
 			}

 			if (entry.getSystemId() == null)
 				continue; // if HTML entry


 			if (entry.getSystemId().length() > maxLengthStringInHTMLDocumentTypeRegistry.length())
 				maxLengthStringInHTMLDocumentTypeRegistry = entry.getSystemId();
 		}
 	}

 	private void computeMaxWidthHint() {
 		// maxLengthString was set populateDoctypeValues was called
 		String maxLengthString = maxLengthStringInHTMLDocumentTypeRegistry;
 		String backup = fSystemIdText.getText();
 		fSystemIdText.setText(maxLengthString);
 		int maxWidthHint = fSystemIdText.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
 		fSystemIdText.setText(backup);

 		if (fDocumentTypeCombo.getLayoutData() != null)
 			((GridData) fDocumentTypeCombo.getLayoutData()).widthHint = maxWidthHint;
 		if (fPublicIdText.getLayoutData() != null)
 			((GridData) fPublicIdText.getLayoutData()).widthHint = maxWidthHint;
 		if (fSystemIdText.getLayoutData() != null)
 			((GridData) fSystemIdText.getLayoutData()).widthHint = maxWidthHint;
 		if (fProfileCombo.getLayoutData() != null)
 			((GridData) fProfileCombo.getLayoutData()).widthHint = maxWidthHint;
 	}

 	private void performCSSProfileDefaults() {
 		int index = fProfileCombo.indexOf(SELECT_NONE);
 		if (index > -1)
 			fProfileCombo.select(index);

 		super.performDefaults();
 	}

 	private boolean performCSSProfileOk() {
 		int index = fProfileCombo.getSelectionIndex();
 		if (index > -1) {
 			String id = (String) fProfileIds.get(index);
 			if (id == null || id.length() == 0 || id.equalsIgnoreCase(SELECT_NONE)) {
 				// if none, use null
 				id = null;
 			}
 			try {
 				CSSContentProperties.setProperty(CSSContentProperties.CSS_PROFILE, getResource(), id);
 			}
 			catch (CoreException e) {
 				// maybe in future, let user know there was a problem saving
 				// file
 				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
 			}
 		}
 		return true;
 	}

 	protected void performDefaults() {
 		super.performDefaults();

 		performDoctypeDefaults();
 		performCSSProfileDefaults();
 	}

 	private void performDoctypeDefaults() {
 		fPublicIdText.setText("");//$NON-NLS-1$
 		fSystemIdText.setText(""); //$NON-NLS-1$
 	}

 	private boolean performDoctypeOk() {
 		int index = fDocumentTypeCombo.getSelectionIndex();
 		if (index > -1) {
 			String id = (String) fDocumentTypeIds.get(index);
 			if (id == null || id.length() == 0 || id.equalsIgnoreCase(SELECT_NONE)) {
 				// if none, use null
 				id = null;
 			}
 			try {
 				HTMLContentProperties.setProperty(HTMLContentProperties.DOCUMENT_TYPE, getResource(), id);
 			}
 			catch (CoreException e) {
 				// maybe in future, let user know there was a problem saving
 				// file
 				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
 			}
 		}
 		return true;
 	}

 	public boolean performOk() {
 		performDoctypeOk();
 		performCSSProfileOk();

 		return super.performOk();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2004 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.wst.html.ui.internal.contentproperties.ui;

	import java.util.ArrayList;
	import java.util.Enumeration;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.swt.SWT;
	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.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.PropertyPage;
	import org.eclipse.wst.css.core.internal.contentproperties.CSSContentProperties;
	import org.eclipse.wst.css.core.internal.metamodel.CSSProfile;
	import org.eclipse.wst.css.core.internal.metamodel.CSSProfileRegistry;
	import org.eclipse.wst.html.core.internal.contentproperties.HTMLContentProperties;
	import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeEntry;
	import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeRegistry;
	import org.eclipse.wst.html.ui.internal.HTMLUIMessages;
	import org.eclipse.wst.html.ui.internal.Logger;
	import org.eclipse.wst.html.ui.internal.editor.IHelpContextIds;

	public class WebContentSettingsPropertyPage extends PropertyPage {
	private static final String SELECT_NONE = HTMLUIMessages.UI_none;
	private String maxLengthStringInHTMLDocumentTypeRegistry = ""; //$NON-NLS-1$

	private class ComboSelectionListener implements SelectionListener {
	public void widgetDefaultSelected(SelectionEvent e) {
	// do nothing
	}

	public void widgetSelected(SelectionEvent e) {
	int index = fDocumentTypeCombo.getSelectionIndex();
	String doctype = (String) fDocumentTypeIds.get(index);
	updateDoctypeText(index, doctype);
	}
	}

	Combo fDocumentTypeCombo;
	List fDocumentTypeIds;
	private Text fPublicIdText;
	private Text fSystemIdText;
	private Combo fProfileCombo;
	private List fProfileIds;
	private SelectionListener fListener;

	public WebContentSettingsPropertyPage() {
	super();
	setDescription(HTMLUIMessages.WebContentSettingsPropertyPage_0);
	}

	private Composite createComposite(Composite parent, int numColumns) {
	Composite composite = new Composite(parent, SWT.NULL);

	// GridLayout
	GridLayout layout = new GridLayout();
	layout.numColumns = numColumns;
	composite.setLayout(layout);

	// GridData
	GridData data = new GridData(GridData.FILL, GridData.FILL, true, false);
	data.horizontalIndent = 0;
	composite.setLayoutData(data);

	return composite;
	}

	protected Control createContents(Composite parent) {
	Composite propertyPage = createComposite(parent, 2);

	createDoctypeContents(propertyPage);
	createCSSProfileContents(propertyPage);

	populateValues();
	initializeValues();
	computeMaxWidthHint();

	fListener = new ComboSelectionListener();
	fDocumentTypeCombo.addSelectionListener(fListener);

	PlatformUI.getWorkbench().getHelpSystem().setHelp(propertyPage, IHelpContextIds.WEB_CONTENT_SETTINGS_HELPID);
	return propertyPage;
	}

	private void createCSSProfileContents(Composite parent) {
	// CSS Profile
	Text languageLabel = new Text(parent, SWT.READ_ONLY);
	languageLabel.setText(HTMLUIMessages.UI_CSS_profile___2);
	fProfileCombo = new Combo(parent, SWT.READ_ONLY);
	GridData data = new GridData(GridData.FILL, GridData.FILL, true, false);
	data.horizontalIndent = 0;
	fProfileCombo.setLayoutData(data);
	}

	private void createDoctypeContents(Composite parent) {
	// create description of implicit DOCTYPE
	Text doctypeLabel = new Text(parent, SWT.READ_ONLY);
	doctypeLabel.setText(HTMLUIMessages.UI_Description_of_role_of_following_DOCTYPE);
	GridData data = new GridData(GridData.FILL, GridData.FILL, true, false);
	data.horizontalIndent = 0;
	data.horizontalSpan = 2;
	doctypeLabel.setLayoutData(data);

	// document type
	Text languageLabel = new Text(parent, SWT.READ_ONLY);
	languageLabel.setText(HTMLUIMessages.UI_Default_HTML_DOCTYPE_ID___1);
	fDocumentTypeCombo = new Combo(parent, SWT.READ_ONLY);
	data = new GridData(GridData.FILL, GridData.FILL, true, false);
	data.horizontalIndent = 0;
	fDocumentTypeCombo.setLayoutData(data);

	// public ID
	Text publicIdLabel = new Text(parent, SWT.READ_ONLY);
	publicIdLabel.setText(HTMLUIMessages.UI_Public_ID);
	fPublicIdText = new Text(parent, SWT.READ_ONLY \| SWT.BORDER);
	data = new GridData(GridData.FILL, GridData.FILL, true, false);
	data.horizontalIndent = 0;
	fPublicIdText.setLayoutData(data);

	// system ID
	Text systemIdLabel = new Text(parent, SWT.READ_ONLY);
	systemIdLabel.setText(HTMLUIMessages.UI_System_ID);
	fSystemIdText = new Text(parent, SWT.READ_ONLY \| SWT.BORDER);
	data = new GridData(GridData.FILL, GridData.FILL, true, false);
	data.horizontalIndent = 0;
	fSystemIdText.setLayoutData(data);

	// create separator
	Label label = new Label(parent, SWT.SEPARATOR \| SWT.HORIZONTAL);
	data = new GridData();
	data.horizontalAlignment = GridData.FILL;
	data.horizontalSpan = 2;
	data.verticalSpan = 8;
	label.setLayoutData(data);
	}

	/**
	* Get the resource this properties page is for
	*
	* @return IResource for this properties page or null if there is no
	* IResource
	*/
	private IResource getResource() {
	IResource resource = null;
	if (getElement() instanceof IResource) {
	resource = (IResource) getElement();
	}
	return resource;
	}

	private String getSystemIdFrom(String publicId) {
	if (publicId == null \|\| publicId.length() == 0)
	return null;
	HTMLDocumentTypeRegistry reg = HTMLDocumentTypeRegistry.getInstance();
	Enumeration e = reg.getEntries();
	while (e.hasMoreElements()) {
	HTMLDocumentTypeEntry entry = (HTMLDocumentTypeEntry) e.nextElement();
	if (entry.getPublicId().equals(publicId))
	return entry.getSystemId();
	}
	return null;
	}

	private void initializeValues() {
	initializeDoctypeValues();
	initializeCSSProfileValues();
	}

	private void initializeCSSProfileValues() {
	int index = 0;
	String profile = CSSContentProperties.getProperty(CSSContentProperties.CSS_PROFILE, getResource(), false);
	if (profile != null && profile.length() > 0) {
	/*
	* If item is already part of combo, select it. Otherwise, select
	* none.
	*/
	index = fProfileIds.indexOf(profile);
	}
	index = index >= 0 ? index : 0;
	fProfileCombo.select(index);
	}

	private void initializeDoctypeValues() {
	int index = 0;
	String doctype = HTMLContentProperties.getProperty(HTMLContentProperties.DOCUMENT_TYPE, getResource(), false);
	if (doctype != null && doctype.length() > 0) {
	/*
	* If item is already part of combo, select it. Otherwise, select
	* none.
	*/
	index = fDocumentTypeIds.indexOf(doctype);
	}

	// set combobox
	index = index >= 0 ? index : 0;
	fDocumentTypeCombo.select(index);

	updateDoctypeText(index, doctype);
	}

	void updateDoctypeText(int index, String doctype) {
	if (index > 0) {
	// set public/system id text
	fPublicIdText.setText(doctype);
	String systemId = getSystemIdFrom(doctype);
	if (systemId != null)
	fSystemIdText.setText(systemId);
	else
	fSystemIdText.setText(""); //$NON-NLS-1$
	}
	else {
	// set public/system id text
	fPublicIdText.setText(""); //$NON-NLS-1$
	fSystemIdText.setText(""); //$NON-NLS-1$
	}
	}

	private void populateValues() {
	populateDoctypeValues();
	populateCSSProfileValues();
	}

	private void populateCSSProfileValues() {
	fProfileIds = new ArrayList();
	// add none first
	fProfileCombo.add(SELECT_NONE);
	fProfileIds.add(null);

	CSSProfileRegistry reg = CSSProfileRegistry.getInstance();
	Iterator i = reg.getProfiles();
	while (i.hasNext()) {
	CSSProfile profile = (CSSProfile) i.next();
	String id = profile.getProfileID();
	String name = profile.getProfileName();
	fProfileCombo.add(name);
	fProfileIds.add(id);
	}
	}

	private void populateDoctypeValues() {
	fDocumentTypeIds = new ArrayList();
	// add none first
	fDocumentTypeCombo.add(SELECT_NONE);
	fDocumentTypeIds.add(null);

	HTMLDocumentTypeRegistry reg = HTMLDocumentTypeRegistry.getInstance();
	Enumeration e = reg.getEntries();
	while (e.hasMoreElements()) {
	HTMLDocumentTypeEntry entry = (HTMLDocumentTypeEntry) e.nextElement();
	String publicId = entry.getPublicId();
	String displayName = entry.getDisplayName();
	displayName = displayName != null ? displayName : publicId;

	fDocumentTypeCombo.add(displayName);
	fDocumentTypeIds.add(publicId);

	if (displayName.length() > maxLengthStringInHTMLDocumentTypeRegistry.length()) {
	maxLengthStringInHTMLDocumentTypeRegistry = displayName;
	}

	if (entry.getSystemId() == null)
	continue; // if HTML entry


	if (entry.getSystemId().length() > maxLengthStringInHTMLDocumentTypeRegistry.length())
	maxLengthStringInHTMLDocumentTypeRegistry = entry.getSystemId();
	}
	}

	private void computeMaxWidthHint() {
	// maxLengthString was set populateDoctypeValues was called
	String maxLengthString = maxLengthStringInHTMLDocumentTypeRegistry;
	String backup = fSystemIdText.getText();
	fSystemIdText.setText(maxLengthString);
	int maxWidthHint = fSystemIdText.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
	fSystemIdText.setText(backup);

	if (fDocumentTypeCombo.getLayoutData() != null)
	((GridData) fDocumentTypeCombo.getLayoutData()).widthHint = maxWidthHint;
	if (fPublicIdText.getLayoutData() != null)
	((GridData) fPublicIdText.getLayoutData()).widthHint = maxWidthHint;
	if (fSystemIdText.getLayoutData() != null)
	((GridData) fSystemIdText.getLayoutData()).widthHint = maxWidthHint;
	if (fProfileCombo.getLayoutData() != null)
	((GridData) fProfileCombo.getLayoutData()).widthHint = maxWidthHint;
	}

	private void performCSSProfileDefaults() {
	int index = fProfileCombo.indexOf(SELECT_NONE);
	if (index > -1)
	fProfileCombo.select(index);

	super.performDefaults();
	}

	private boolean performCSSProfileOk() {
	int index = fProfileCombo.getSelectionIndex();
	if (index > -1) {
	String id = (String) fProfileIds.get(index);
	if (id == null \|\| id.length() == 0 \|\| id.equalsIgnoreCase(SELECT_NONE)) {
	// if none, use null
	id = null;
	}
	try {
	CSSContentProperties.setProperty(CSSContentProperties.CSS_PROFILE, getResource(), id);
	}
	catch (CoreException e) {
	// maybe in future, let user know there was a problem saving
	// file
	Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
	}
	}
	return true;
	}

	protected void performDefaults() {
	super.performDefaults();

	performDoctypeDefaults();
	performCSSProfileDefaults();
	}

	private void performDoctypeDefaults() {
	fPublicIdText.setText("");//$NON-NLS-1$
	fSystemIdText.setText(""); //$NON-NLS-1$
	}

	private boolean performDoctypeOk() {
	int index = fDocumentTypeCombo.getSelectionIndex();
	if (index > -1) {
	String id = (String) fDocumentTypeIds.get(index);
	if (id == null \|\| id.length() == 0 \|\| id.equalsIgnoreCase(SELECT_NONE)) {
	// if none, use null
	id = null;
	}
	try {
	HTMLContentProperties.setProperty(HTMLContentProperties.DOCUMENT_TYPE, getResource(), id);
	}
	catch (CoreException e) {
	// maybe in future, let user know there was a problem saving
	// file
	Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
	}
	}
	return true;
	}

	public boolean performOk() {
	performDoctypeOk();
	performCSSProfileOk();

	return super.performOk();
	}
	}