jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/ui/dialogs/BoxPreferencePage.java - jsf/webtools.jsf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006 Sybase, Inc. 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:
  *     Sybase, Inc. - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jst.pagedesigner.ui.dialogs;

 import org.eclipse.jface.preference.PreferencePage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 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.wst.css.core.internal.util.declaration.CSSPropertyContext;
 import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;

 /**
  * @author mengbo
  * @version 1.5
  */
 public class BoxPreferencePage extends PreferencePage {
 	private CSSPropertyContext _style;

 	private StyleCombo _widthNumberCombo, _widthUnitCombo, _heightNumberCombo,
 			_heightUnitCombo, _clearCombo;

 	private Text _paddingTopNumberText, _paddingRightNumberText,
 			_paddingBottomNumberText, _paddingLeftNumberText;

 	private StyleCombo _paddingTopUnitCombo, _paddingRightUnitCombo,
 			_paddingBottomUnitCombo, _paddingLeftUnitCombo;

 	private StyleCombo _marginTopNumberCombo, _marginRightNumberCombo,
 			_marginBottomNumberCombo, _marginLeftNumberCombo;

 	private StyleCombo _marginTopUnitCombo, _marginRightUnitCombo,
 			_marginBottomUnitCombo, _marginLeftUnitCombo;

 	public BoxPreferencePage(IDOMElement element, CSSPropertyContext style) {
 		super();
 		_style = style;

 		setTitle(DialogsMessages.getString("BoxPreferencePage.Title")); //$NON-NLS-1$
 	}

 	/**
 	 * @see org.eclipse.jface.preference.
 	 *      PreferencePage#createContents(Composite)
 	 */
 	protected Control createContents(Composite parent) {
 		GridLayout layout;
 		GridData data;

 		Composite top = new Composite(parent, SWT.NONE);
 		layout = new GridLayout(6, false);
 		data = new GridData(GridData.FILL_BOTH);
 		top.setLayout(layout);
 		top.setLayoutData(data);

 		Label widthLabel = new Label(top, SWT.NONE);
 		widthLabel
 				.setText(DialogsMessages.getString("BoxPreferencePage.Width")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		widthLabel.setLayoutData(data);

 		_widthNumberCombo = new StyleCombo(top, SWT.NONE);
 		_widthNumberCombo.setItems(IStyleConstants.AUTO);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_widthNumberCombo.setLayoutData(data);
 		_widthNumberCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_widthUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_widthNumberCombo.getText());
 				} catch (NumberFormatException ex) {
 					_widthUnitCombo.setEnabled(false);
 				}

 				String width = _widthNumberCombo.getText();
 				if (_widthUnitCombo.isEnabled()) {
 					width += _widthUnitCombo.getText();
 				}

 				_style.setWidth(width);
 			}
 		});

 		_widthUnitCombo = new StyleCombo(top, SWT.READ_ONLY);
 		_widthUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_widthUnitCombo.setLayoutData(data);
 		_widthUnitCombo.select(0);
 		_widthUnitCombo.setEnabled(false);
 		_widthUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String width = _widthNumberCombo.getText();
 				if (_widthUnitCombo.isEnabled()) {
 					width += _widthUnitCombo.getText();
 				}

 				_style.setWidth(width);
 			}
 		});

 		Label clearLabel = new Label(top, SWT.NONE);
 		clearLabel
 				.setText(DialogsMessages.getString("BoxPreferencePage.Clear")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		clearLabel.setLayoutData(data);

 		_clearCombo = new StyleCombo(top, SWT.NONE);
 		_clearCombo.setItems(IStyleConstants.CLEAR);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_clearCombo.setLayoutData(data);
 		_clearCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String clear = _clearCombo.getText();
 				_style.setClear(clear);
 			}
 		});

 		new Label(top, SWT.NONE);

 		Label heightLabel = new Label(top, SWT.NONE);
 		heightLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Height")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		heightLabel.setLayoutData(data);

 		_heightNumberCombo = new StyleCombo(top, SWT.NONE);
 		_heightNumberCombo.setItems(IStyleConstants.AUTO);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_heightNumberCombo.setLayoutData(data);
 		_heightNumberCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_heightUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_heightNumberCombo.getText());
 				} catch (NumberFormatException ex) {
 					_heightUnitCombo.setEnabled(false);
 				}

 				String height = _heightNumberCombo.getText();
 				if (_heightUnitCombo.isEnabled()) {
 					height += _heightUnitCombo.getText();
 				}

 				_style.setHeight(height);
 			}
 		});

 		_heightUnitCombo = new StyleCombo(top, SWT.READ_ONLY);
 		_heightUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_heightUnitCombo.setLayoutData(data);
 		_heightUnitCombo.select(0);
 		_heightUnitCombo.setEnabled(false);
 		_heightUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String height = _heightNumberCombo.getText();
 				if (_heightUnitCombo.isEnabled()) {
 					height += _heightNumberCombo.getText();
 				}

 				_style.setHeight(height);
 			}
 		});

 		new Label(top, SWT.NONE);
 		new Label(top, SWT.NONE);
 		new Label(top, SWT.NONE);

 		Group paddingGroup = new Group(top, SWT.NONE);
 		paddingGroup.setText(DialogsMessages
 				.getString("BoxPreferencePage.Padding"));
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		data.horizontalSpan = 3;
 		data.verticalSpan = 4;
 		paddingGroup.setLayoutData(data);
 		layout = new GridLayout(3, false);
 		paddingGroup.setLayout(layout);

 		Label paddingTopLabel = new Label(paddingGroup, SWT.NONE);
 		paddingTopLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Top")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		paddingTopLabel.setLayoutData(data);

 		_paddingTopNumberText = new Text(paddingGroup, SWT.BORDER);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingTopNumberText.setLayoutData(data);
 		_paddingTopNumberText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_paddingTopUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_paddingTopNumberText.getText());
 				} catch (NumberFormatException ex) {
 					_paddingTopUnitCombo.setEnabled(false);
 				}

 				String padding = _paddingTopNumberText.getText();
 				if (_paddingTopUnitCombo.isEnabled()) {
 					padding += _paddingTopUnitCombo.getText();
 				}

 				_style.setPaddingTop(padding);
 			}
 		});

 		_paddingTopUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
 		_paddingTopUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingTopUnitCombo.setLayoutData(data);
 		_paddingTopUnitCombo.select(0);
 		_paddingTopUnitCombo.setEnabled(false);
 		_paddingTopUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String padding = _paddingTopNumberText.getText();
 				if (_paddingTopUnitCombo.isEnabled()) {
 					padding += _paddingTopUnitCombo.getText();
 				}

 				_style.setPaddingTop(padding);
 			}
 		});

 		Label paddingRightLabel = new Label(paddingGroup, SWT.NONE);
 		paddingRightLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Right")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		paddingRightLabel.setLayoutData(data);

 		_paddingRightNumberText = new Text(paddingGroup, SWT.BORDER);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingRightNumberText.setLayoutData(data);
 		_paddingRightNumberText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_paddingRightUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_paddingRightNumberText.getText());
 				} catch (NumberFormatException ex) {
 					_paddingRightUnitCombo.setEnabled(false);
 				}

 				String padding = _paddingRightNumberText.getText();
 				if (_paddingRightUnitCombo.isEnabled()) {
 					padding += _paddingRightUnitCombo.getText();
 				}

 				_style.setPaddingRight(padding);
 			}
 		});

 		_paddingRightUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
 		_paddingRightUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingRightUnitCombo.setLayoutData(data);
 		_paddingRightUnitCombo.select(0);
 		_paddingRightUnitCombo.setEnabled(false);
 		_paddingRightUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String padding = _paddingRightNumberText.getText();
 				if (_paddingRightUnitCombo.isEnabled()) {
 					padding += _paddingRightUnitCombo.getText();
 				}

 				_style.setPaddingRight(padding);
 			}
 		});

 		Label paddingBottomLabel = new Label(paddingGroup, SWT.NONE);
 		paddingBottomLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Bottom")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		paddingBottomLabel.setLayoutData(data);

 		_paddingBottomNumberText = new Text(paddingGroup, SWT.BORDER);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingBottomNumberText.setLayoutData(data);
 		_paddingBottomNumberText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_paddingBottomUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_paddingBottomNumberText.getText());
 				} catch (NumberFormatException ex) {
 					_paddingBottomUnitCombo.setEnabled(false);
 				}

 				String padding = _paddingBottomNumberText.getText();
 				if (_paddingBottomUnitCombo.isEnabled()) {
 					padding += _paddingBottomUnitCombo.getText();
 				}

 				_style.setPaddingBottom(padding);
 			}
 		});

 		_paddingBottomUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
 		_paddingBottomUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingBottomUnitCombo.setLayoutData(data);
 		_paddingBottomUnitCombo.select(0);
 		_paddingBottomUnitCombo.setEnabled(false);
 		_paddingBottomUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String padding = _paddingBottomNumberText.getText();
 				if (_paddingBottomUnitCombo.isEnabled()) {
 					padding += _paddingBottomUnitCombo.getText();
 				}

 				_style.setPaddingBottom(padding);
 			}
 		});

 		Label paddingLeftLabel = new Label(paddingGroup, SWT.NONE);
 		paddingLeftLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Left")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		paddingLeftLabel.setLayoutData(data);

 		_paddingLeftNumberText = new Text(paddingGroup, SWT.BORDER);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingLeftNumberText.setLayoutData(data);
 		_paddingLeftNumberText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_paddingLeftUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_paddingLeftNumberText.getText());
 				} catch (NumberFormatException ex) {
 					_paddingLeftUnitCombo.setEnabled(false);
 				}

 				String top1 = _paddingLeftNumberText.getText();
 				if (_paddingLeftUnitCombo.isEnabled()) {
 					top1 += _paddingLeftUnitCombo.getText();
 				}

 				_style.setPaddingLeft(top1);
 			}
 		});

 		_paddingLeftUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
 		_paddingLeftUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_paddingLeftUnitCombo.setLayoutData(data);
 		_paddingLeftUnitCombo.select(0);
 		_paddingLeftUnitCombo.setEnabled(false);
 		_paddingLeftUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String top1 = _paddingLeftNumberText.getText();
 				if (_paddingLeftUnitCombo.isEnabled()) {
 					top1 += _paddingLeftUnitCombo.getText();
 				}

 				_style.setPaddingLeft(top1);
 			}
 		});

 		Group marginGroup = new Group(top, SWT.NONE);
 		marginGroup.setText(DialogsMessages
 				.getString("BoxPreferencePage.Margin"));
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		data.horizontalSpan = 3;
 		data.verticalSpan = 4;
 		marginGroup.setLayoutData(data);
 		layout = new GridLayout(3, false);
 		marginGroup.setLayout(layout);

 		Label marginTopLabel = new Label(marginGroup, SWT.NONE);
 		marginTopLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Top")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		marginTopLabel.setLayoutData(data);

 		_marginTopNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
 		_marginTopNumberCombo.setItems(IStyleConstants.AUTO);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginTopNumberCombo.setLayoutData(data);
 		_marginTopNumberCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_marginTopUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_marginTopNumberCombo.getText());
 				} catch (NumberFormatException ex) {
 					_marginTopUnitCombo.setEnabled(false);
 				}

 				String margin = _marginTopNumberCombo.getText();
 				if (_marginTopUnitCombo.isEnabled()) {
 					margin += _marginTopUnitCombo.getText();
 				}

 				_style.setMarginTop(margin);
 			}
 		});

 		_marginTopUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
 		_marginTopUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginTopUnitCombo.setLayoutData(data);
 		_marginTopUnitCombo.select(0);
 		_marginTopUnitCombo.setEnabled(false);
 		_marginTopUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String margin = _marginTopNumberCombo.getText();
 				if (_marginTopUnitCombo.isEnabled()) {
 					margin += _marginTopUnitCombo.getText();
 				}

 				_style.setMarginTop(margin);
 			}
 		});

 		Label marginRightLabel = new Label(marginGroup, SWT.NONE);
 		marginRightLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Right")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		marginRightLabel.setLayoutData(data);

 		_marginRightNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
 		_marginRightNumberCombo.setItems(IStyleConstants.AUTO);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginRightNumberCombo.setLayoutData(data);
 		_marginRightNumberCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_marginRightUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_marginRightNumberCombo.getText());
 				} catch (NumberFormatException ex) {
 					_marginRightUnitCombo.setEnabled(false);
 				}

 				String margin = _marginRightNumberCombo.getText();
 				if (_marginRightUnitCombo.isEnabled()) {
 					margin += _marginRightUnitCombo.getText();
 				}

 				_style.setMarginRight(margin);
 			}
 		});

 		_marginRightUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
 		_marginRightUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginRightUnitCombo.setLayoutData(data);
 		_marginRightUnitCombo.select(0);
 		_marginRightUnitCombo.setEnabled(false);
 		_marginRightUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String margin = _marginRightNumberCombo.getText();
 				if (_marginRightUnitCombo.isEnabled()) {
 					margin += _marginRightUnitCombo.getText();
 				}

 				_style.setMarginRight(margin);
 			}
 		});

 		Label marginBottomLabel = new Label(marginGroup, SWT.NONE);
 		marginBottomLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Bottom")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		marginBottomLabel.setLayoutData(data);

 		_marginBottomNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
 		_marginBottomNumberCombo.setItems(IStyleConstants.AUTO);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginBottomNumberCombo.setLayoutData(data);
 		_marginBottomNumberCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_marginBottomUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_marginBottomNumberCombo.getText());
 				} catch (NumberFormatException ex) {
 					_marginBottomUnitCombo.setEnabled(false);
 				}

 				String margin = _marginBottomNumberCombo.getText();
 				if (_marginBottomUnitCombo.isEnabled()) {
 					margin += _marginBottomUnitCombo.getText();
 				}

 				_style.setMarginBottom(margin);
 			}
 		});

 		_marginBottomUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
 		_marginBottomUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginBottomUnitCombo.setLayoutData(data);
 		_marginBottomUnitCombo.select(0);
 		_marginBottomUnitCombo.setEnabled(false);
 		_marginBottomUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String margin = _marginBottomNumberCombo.getText();
 				if (_marginBottomUnitCombo.isEnabled()) {
 					margin += _marginBottomUnitCombo.getText();
 				}

 				_style.setMarginBottom(margin);
 			}
 		});

 		Label marginLeftLabel = new Label(marginGroup, SWT.NONE);
 		marginLeftLabel.setText(DialogsMessages
 				.getString("BoxPreferencePage.Left")); //$NON-NLS-1$
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		marginLeftLabel.setLayoutData(data);

 		_marginLeftNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
 		_marginLeftNumberCombo.setItems(IStyleConstants.AUTO);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginLeftNumberCombo.setLayoutData(data);
 		_marginLeftNumberCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				_marginLeftUnitCombo.setEnabled(true);
 				try {
 					Integer.valueOf(_marginLeftNumberCombo.getText());
 				} catch (NumberFormatException ex) {
 					_marginLeftUnitCombo.setEnabled(false);
 				}

 				String top1 = _marginLeftNumberCombo.getText();
 				if (_marginLeftUnitCombo.isEnabled()) {
 					top1 += _marginLeftUnitCombo.getText();
 				}

 				_style.setMarginLeft(top1);
 			}
 		});

 		_marginLeftUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
 		_marginLeftUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		_marginLeftUnitCombo.setLayoutData(data);
 		_marginLeftUnitCombo.select(0);
 		_marginLeftUnitCombo.setEnabled(false);
 		_marginLeftUnitCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String top1 = _marginLeftNumberCombo.getText();
 				if (_marginLeftUnitCombo.isEnabled()) {
 					top1 += _marginLeftUnitCombo.getText();
 				}

 				_style.setMarginLeft(top1);
 			}
 		});

 		initializeControls();

 		return top;
 	}

 	private void initializeControls() {
 		// width
 		String width = _style.getWidth();
 		if (!isEmptyString(width)) {
 			int index = _widthNumberCombo.indexOf(width);
 			if (index != -1) {
 				_widthNumberCombo.select(index);
 			} else {
 				_widthNumberCombo.setText(width);
 			}
 		}

 		// height
 		String height = _style.getHeight();
 		if (!isEmptyString(height)) {
 			int index = _heightNumberCombo.indexOf(height);
 			if (index != -1) {
 				_heightNumberCombo.select(index);
 			} else {
 				_heightNumberCombo.setText(height);
 			}
 		}

 		// clear
 		String clear = _style.getClear();
 		if (!isEmptyString(clear)) {
 			int index = _clearCombo.indexOf(clear);
 			if (index != -1) {
 				_clearCombo.select(index);
 			} else {
 				_clearCombo.setText(clear);
 			}
 		}

 		// padding
 		String padding = _style.getPaddingTop();
 		if (!isEmptyString(padding)) {
 			_paddingTopNumberText.setText(padding);
 		}
 		padding = _style.getPaddingRight();
 		if (!isEmptyString(padding)) {
 			_paddingRightNumberText.setText(padding);
 		}
 		padding = _style.getPaddingBottom();
 		if (!isEmptyString(padding)) {
 			_paddingBottomNumberText.setText(padding);
 		}
 		padding = _style.getPaddingLeft();
 		if (!isEmptyString(padding)) {
 			_paddingLeftNumberText.setText(padding);
 		}

 		// margin
 		String margin = _style.getMarginTop();
 		if (!isEmptyString(margin)) {
 			int index = _marginTopNumberCombo.indexOf(margin);
 			if (index != -1) {
 				_marginTopNumberCombo.select(index);
 			} else {
 				_marginTopNumberCombo.setText(margin);
 			}
 		}
 		margin = _style.getMarginRight();
 		if (!isEmptyString(margin)) {
 			int index = _marginRightNumberCombo.indexOf(margin);
 			if (index != -1) {
 				_marginRightNumberCombo.select(index);
 			} else {
 				_marginRightNumberCombo.setText(margin);
 			}
 		}
 		margin = _style.getMarginBottom();
 		if (!isEmptyString(margin)) {
 			int index = _marginBottomNumberCombo.indexOf(margin);
 			if (index != -1) {
 				_marginBottomNumberCombo.select(index);
 			} else {
 				_marginBottomNumberCombo.setText(margin);
 			}
 		}
 		margin = _style.getMarginLeft();
 		if (!isEmptyString(margin)) {
 			int index = _marginLeftNumberCombo.indexOf(margin);
 			if (index != -1) {
 				_marginLeftNumberCombo.select(index);
 			} else {
 				_marginLeftNumberCombo.setText(margin);
 			}
 		}
 	}

 	public void setVisible(boolean visible) {
 		super.setVisible(visible);

 		getApplyButton().setVisible(false);
 		getDefaultsButton().setVisible(false);
 	}

 	private boolean isEmptyString(String str) {
 		if (str == null || str.length() == 0) {
 			return true;
 		}
         return false;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006 Sybase, Inc. 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:
	* Sybase, Inc. - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jst.pagedesigner.ui.dialogs;

	import org.eclipse.jface.preference.PreferencePage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	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.wst.css.core.internal.util.declaration.CSSPropertyContext;
	import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;

	/**
	* @author mengbo
	* @version 1.5
	*/
	public class BoxPreferencePage extends PreferencePage {
	private CSSPropertyContext _style;

	private StyleCombo _widthNumberCombo, _widthUnitCombo, _heightNumberCombo,
	_heightUnitCombo, _clearCombo;

	private Text _paddingTopNumberText, _paddingRightNumberText,
	_paddingBottomNumberText, _paddingLeftNumberText;

	private StyleCombo _paddingTopUnitCombo, _paddingRightUnitCombo,
	_paddingBottomUnitCombo, _paddingLeftUnitCombo;

	private StyleCombo _marginTopNumberCombo, _marginRightNumberCombo,
	_marginBottomNumberCombo, _marginLeftNumberCombo;

	private StyleCombo _marginTopUnitCombo, _marginRightUnitCombo,
	_marginBottomUnitCombo, _marginLeftUnitCombo;

	public BoxPreferencePage(IDOMElement element, CSSPropertyContext style) {
	super();
	_style = style;

	setTitle(DialogsMessages.getString("BoxPreferencePage.Title")); //$NON-NLS-1$
	}

	/**
	* @see org.eclipse.jface.preference.
	* PreferencePage#createContents(Composite)
	*/
	protected Control createContents(Composite parent) {
	GridLayout layout;
	GridData data;

	Composite top = new Composite(parent, SWT.NONE);
	layout = new GridLayout(6, false);
	data = new GridData(GridData.FILL_BOTH);
	top.setLayout(layout);
	top.setLayoutData(data);

	Label widthLabel = new Label(top, SWT.NONE);
	widthLabel
	.setText(DialogsMessages.getString("BoxPreferencePage.Width")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	widthLabel.setLayoutData(data);

	_widthNumberCombo = new StyleCombo(top, SWT.NONE);
	_widthNumberCombo.setItems(IStyleConstants.AUTO);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_widthNumberCombo.setLayoutData(data);
	_widthNumberCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_widthUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_widthNumberCombo.getText());
	} catch (NumberFormatException ex) {
	_widthUnitCombo.setEnabled(false);
	}

	String width = _widthNumberCombo.getText();
	if (_widthUnitCombo.isEnabled()) {
	width += _widthUnitCombo.getText();
	}

	_style.setWidth(width);
	}
	});

	_widthUnitCombo = new StyleCombo(top, SWT.READ_ONLY);
	_widthUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_widthUnitCombo.setLayoutData(data);
	_widthUnitCombo.select(0);
	_widthUnitCombo.setEnabled(false);
	_widthUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String width = _widthNumberCombo.getText();
	if (_widthUnitCombo.isEnabled()) {
	width += _widthUnitCombo.getText();
	}

	_style.setWidth(width);
	}
	});

	Label clearLabel = new Label(top, SWT.NONE);
	clearLabel
	.setText(DialogsMessages.getString("BoxPreferencePage.Clear")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	clearLabel.setLayoutData(data);

	_clearCombo = new StyleCombo(top, SWT.NONE);
	_clearCombo.setItems(IStyleConstants.CLEAR);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_clearCombo.setLayoutData(data);
	_clearCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String clear = _clearCombo.getText();
	_style.setClear(clear);
	}
	});

	new Label(top, SWT.NONE);

	Label heightLabel = new Label(top, SWT.NONE);
	heightLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Height")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	heightLabel.setLayoutData(data);

	_heightNumberCombo = new StyleCombo(top, SWT.NONE);
	_heightNumberCombo.setItems(IStyleConstants.AUTO);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_heightNumberCombo.setLayoutData(data);
	_heightNumberCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_heightUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_heightNumberCombo.getText());
	} catch (NumberFormatException ex) {
	_heightUnitCombo.setEnabled(false);
	}

	String height = _heightNumberCombo.getText();
	if (_heightUnitCombo.isEnabled()) {
	height += _heightUnitCombo.getText();
	}

	_style.setHeight(height);
	}
	});

	_heightUnitCombo = new StyleCombo(top, SWT.READ_ONLY);
	_heightUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_heightUnitCombo.setLayoutData(data);
	_heightUnitCombo.select(0);
	_heightUnitCombo.setEnabled(false);
	_heightUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String height = _heightNumberCombo.getText();
	if (_heightUnitCombo.isEnabled()) {
	height += _heightNumberCombo.getText();
	}

	_style.setHeight(height);
	}
	});

	new Label(top, SWT.NONE);
	new Label(top, SWT.NONE);
	new Label(top, SWT.NONE);

	Group paddingGroup = new Group(top, SWT.NONE);
	paddingGroup.setText(DialogsMessages
	.getString("BoxPreferencePage.Padding"));
	data = new GridData(GridData.FILL_HORIZONTAL);
	data.horizontalSpan = 3;
	data.verticalSpan = 4;
	paddingGroup.setLayoutData(data);
	layout = new GridLayout(3, false);
	paddingGroup.setLayout(layout);

	Label paddingTopLabel = new Label(paddingGroup, SWT.NONE);
	paddingTopLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Top")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	paddingTopLabel.setLayoutData(data);

	_paddingTopNumberText = new Text(paddingGroup, SWT.BORDER);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingTopNumberText.setLayoutData(data);
	_paddingTopNumberText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_paddingTopUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_paddingTopNumberText.getText());
	} catch (NumberFormatException ex) {
	_paddingTopUnitCombo.setEnabled(false);
	}

	String padding = _paddingTopNumberText.getText();
	if (_paddingTopUnitCombo.isEnabled()) {
	padding += _paddingTopUnitCombo.getText();
	}

	_style.setPaddingTop(padding);
	}
	});

	_paddingTopUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
	_paddingTopUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingTopUnitCombo.setLayoutData(data);
	_paddingTopUnitCombo.select(0);
	_paddingTopUnitCombo.setEnabled(false);
	_paddingTopUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String padding = _paddingTopNumberText.getText();
	if (_paddingTopUnitCombo.isEnabled()) {
	padding += _paddingTopUnitCombo.getText();
	}

	_style.setPaddingTop(padding);
	}
	});

	Label paddingRightLabel = new Label(paddingGroup, SWT.NONE);
	paddingRightLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Right")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	paddingRightLabel.setLayoutData(data);

	_paddingRightNumberText = new Text(paddingGroup, SWT.BORDER);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingRightNumberText.setLayoutData(data);
	_paddingRightNumberText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_paddingRightUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_paddingRightNumberText.getText());
	} catch (NumberFormatException ex) {
	_paddingRightUnitCombo.setEnabled(false);
	}

	String padding = _paddingRightNumberText.getText();
	if (_paddingRightUnitCombo.isEnabled()) {
	padding += _paddingRightUnitCombo.getText();
	}

	_style.setPaddingRight(padding);
	}
	});

	_paddingRightUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
	_paddingRightUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingRightUnitCombo.setLayoutData(data);
	_paddingRightUnitCombo.select(0);
	_paddingRightUnitCombo.setEnabled(false);
	_paddingRightUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String padding = _paddingRightNumberText.getText();
	if (_paddingRightUnitCombo.isEnabled()) {
	padding += _paddingRightUnitCombo.getText();
	}

	_style.setPaddingRight(padding);
	}
	});

	Label paddingBottomLabel = new Label(paddingGroup, SWT.NONE);
	paddingBottomLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Bottom")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	paddingBottomLabel.setLayoutData(data);

	_paddingBottomNumberText = new Text(paddingGroup, SWT.BORDER);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingBottomNumberText.setLayoutData(data);
	_paddingBottomNumberText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_paddingBottomUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_paddingBottomNumberText.getText());
	} catch (NumberFormatException ex) {
	_paddingBottomUnitCombo.setEnabled(false);
	}

	String padding = _paddingBottomNumberText.getText();
	if (_paddingBottomUnitCombo.isEnabled()) {
	padding += _paddingBottomUnitCombo.getText();
	}

	_style.setPaddingBottom(padding);
	}
	});

	_paddingBottomUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
	_paddingBottomUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingBottomUnitCombo.setLayoutData(data);
	_paddingBottomUnitCombo.select(0);
	_paddingBottomUnitCombo.setEnabled(false);
	_paddingBottomUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String padding = _paddingBottomNumberText.getText();
	if (_paddingBottomUnitCombo.isEnabled()) {
	padding += _paddingBottomUnitCombo.getText();
	}

	_style.setPaddingBottom(padding);
	}
	});

	Label paddingLeftLabel = new Label(paddingGroup, SWT.NONE);
	paddingLeftLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Left")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	paddingLeftLabel.setLayoutData(data);

	_paddingLeftNumberText = new Text(paddingGroup, SWT.BORDER);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingLeftNumberText.setLayoutData(data);
	_paddingLeftNumberText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_paddingLeftUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_paddingLeftNumberText.getText());
	} catch (NumberFormatException ex) {
	_paddingLeftUnitCombo.setEnabled(false);
	}

	String top1 = _paddingLeftNumberText.getText();
	if (_paddingLeftUnitCombo.isEnabled()) {
	top1 += _paddingLeftUnitCombo.getText();
	}

	_style.setPaddingLeft(top1);
	}
	});

	_paddingLeftUnitCombo = new StyleCombo(paddingGroup, SWT.READ_ONLY);
	_paddingLeftUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_paddingLeftUnitCombo.setLayoutData(data);
	_paddingLeftUnitCombo.select(0);
	_paddingLeftUnitCombo.setEnabled(false);
	_paddingLeftUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String top1 = _paddingLeftNumberText.getText();
	if (_paddingLeftUnitCombo.isEnabled()) {
	top1 += _paddingLeftUnitCombo.getText();
	}

	_style.setPaddingLeft(top1);
	}
	});

	Group marginGroup = new Group(top, SWT.NONE);
	marginGroup.setText(DialogsMessages
	.getString("BoxPreferencePage.Margin"));
	data = new GridData(GridData.FILL_HORIZONTAL);
	data.horizontalSpan = 3;
	data.verticalSpan = 4;
	marginGroup.setLayoutData(data);
	layout = new GridLayout(3, false);
	marginGroup.setLayout(layout);

	Label marginTopLabel = new Label(marginGroup, SWT.NONE);
	marginTopLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Top")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	marginTopLabel.setLayoutData(data);

	_marginTopNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
	_marginTopNumberCombo.setItems(IStyleConstants.AUTO);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginTopNumberCombo.setLayoutData(data);
	_marginTopNumberCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_marginTopUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_marginTopNumberCombo.getText());
	} catch (NumberFormatException ex) {
	_marginTopUnitCombo.setEnabled(false);
	}

	String margin = _marginTopNumberCombo.getText();
	if (_marginTopUnitCombo.isEnabled()) {
	margin += _marginTopUnitCombo.getText();
	}

	_style.setMarginTop(margin);
	}
	});

	_marginTopUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
	_marginTopUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginTopUnitCombo.setLayoutData(data);
	_marginTopUnitCombo.select(0);
	_marginTopUnitCombo.setEnabled(false);
	_marginTopUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String margin = _marginTopNumberCombo.getText();
	if (_marginTopUnitCombo.isEnabled()) {
	margin += _marginTopUnitCombo.getText();
	}

	_style.setMarginTop(margin);
	}
	});

	Label marginRightLabel = new Label(marginGroup, SWT.NONE);
	marginRightLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Right")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	marginRightLabel.setLayoutData(data);

	_marginRightNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
	_marginRightNumberCombo.setItems(IStyleConstants.AUTO);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginRightNumberCombo.setLayoutData(data);
	_marginRightNumberCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_marginRightUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_marginRightNumberCombo.getText());
	} catch (NumberFormatException ex) {
	_marginRightUnitCombo.setEnabled(false);
	}

	String margin = _marginRightNumberCombo.getText();
	if (_marginRightUnitCombo.isEnabled()) {
	margin += _marginRightUnitCombo.getText();
	}

	_style.setMarginRight(margin);
	}
	});

	_marginRightUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
	_marginRightUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginRightUnitCombo.setLayoutData(data);
	_marginRightUnitCombo.select(0);
	_marginRightUnitCombo.setEnabled(false);
	_marginRightUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String margin = _marginRightNumberCombo.getText();
	if (_marginRightUnitCombo.isEnabled()) {
	margin += _marginRightUnitCombo.getText();
	}

	_style.setMarginRight(margin);
	}
	});

	Label marginBottomLabel = new Label(marginGroup, SWT.NONE);
	marginBottomLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Bottom")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	marginBottomLabel.setLayoutData(data);

	_marginBottomNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
	_marginBottomNumberCombo.setItems(IStyleConstants.AUTO);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginBottomNumberCombo.setLayoutData(data);
	_marginBottomNumberCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_marginBottomUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_marginBottomNumberCombo.getText());
	} catch (NumberFormatException ex) {
	_marginBottomUnitCombo.setEnabled(false);
	}

	String margin = _marginBottomNumberCombo.getText();
	if (_marginBottomUnitCombo.isEnabled()) {
	margin += _marginBottomUnitCombo.getText();
	}

	_style.setMarginBottom(margin);
	}
	});

	_marginBottomUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
	_marginBottomUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginBottomUnitCombo.setLayoutData(data);
	_marginBottomUnitCombo.select(0);
	_marginBottomUnitCombo.setEnabled(false);
	_marginBottomUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String margin = _marginBottomNumberCombo.getText();
	if (_marginBottomUnitCombo.isEnabled()) {
	margin += _marginBottomUnitCombo.getText();
	}

	_style.setMarginBottom(margin);
	}
	});

	Label marginLeftLabel = new Label(marginGroup, SWT.NONE);
	marginLeftLabel.setText(DialogsMessages
	.getString("BoxPreferencePage.Left")); //$NON-NLS-1$
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	marginLeftLabel.setLayoutData(data);

	_marginLeftNumberCombo = new StyleCombo(marginGroup, SWT.NONE);
	_marginLeftNumberCombo.setItems(IStyleConstants.AUTO);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginLeftNumberCombo.setLayoutData(data);
	_marginLeftNumberCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	_marginLeftUnitCombo.setEnabled(true);
	try {
	Integer.valueOf(_marginLeftNumberCombo.getText());
	} catch (NumberFormatException ex) {
	_marginLeftUnitCombo.setEnabled(false);
	}

	String top1 = _marginLeftNumberCombo.getText();
	if (_marginLeftUnitCombo.isEnabled()) {
	top1 += _marginLeftUnitCombo.getText();
	}

	_style.setMarginLeft(top1);
	}
	});

	_marginLeftUnitCombo = new StyleCombo(marginGroup, SWT.READ_ONLY);
	_marginLeftUnitCombo.setItems(IStyleConstants.SIZE_UNIT);
	data = new GridData(GridData.FILL_HORIZONTAL);
	_marginLeftUnitCombo.setLayoutData(data);
	_marginLeftUnitCombo.select(0);
	_marginLeftUnitCombo.setEnabled(false);
	_marginLeftUnitCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String top1 = _marginLeftNumberCombo.getText();
	if (_marginLeftUnitCombo.isEnabled()) {
	top1 += _marginLeftUnitCombo.getText();
	}

	_style.setMarginLeft(top1);
	}
	});

	initializeControls();

	return top;
	}

	private void initializeControls() {
	// width
	String width = _style.getWidth();
	if (!isEmptyString(width)) {
	int index = _widthNumberCombo.indexOf(width);
	if (index != -1) {
	_widthNumberCombo.select(index);
	} else {
	_widthNumberCombo.setText(width);
	}
	}

	// height
	String height = _style.getHeight();
	if (!isEmptyString(height)) {
	int index = _heightNumberCombo.indexOf(height);
	if (index != -1) {
	_heightNumberCombo.select(index);
	} else {
	_heightNumberCombo.setText(height);
	}
	}

	// clear
	String clear = _style.getClear();
	if (!isEmptyString(clear)) {
	int index = _clearCombo.indexOf(clear);
	if (index != -1) {
	_clearCombo.select(index);
	} else {
	_clearCombo.setText(clear);
	}
	}

	// padding
	String padding = _style.getPaddingTop();
	if (!isEmptyString(padding)) {
	_paddingTopNumberText.setText(padding);
	}
	padding = _style.getPaddingRight();
	if (!isEmptyString(padding)) {
	_paddingRightNumberText.setText(padding);
	}
	padding = _style.getPaddingBottom();
	if (!isEmptyString(padding)) {
	_paddingBottomNumberText.setText(padding);
	}
	padding = _style.getPaddingLeft();
	if (!isEmptyString(padding)) {
	_paddingLeftNumberText.setText(padding);
	}

	// margin
	String margin = _style.getMarginTop();
	if (!isEmptyString(margin)) {
	int index = _marginTopNumberCombo.indexOf(margin);
	if (index != -1) {
	_marginTopNumberCombo.select(index);
	} else {
	_marginTopNumberCombo.setText(margin);
	}
	}
	margin = _style.getMarginRight();
	if (!isEmptyString(margin)) {
	int index = _marginRightNumberCombo.indexOf(margin);
	if (index != -1) {
	_marginRightNumberCombo.select(index);
	} else {
	_marginRightNumberCombo.setText(margin);
	}
	}
	margin = _style.getMarginBottom();
	if (!isEmptyString(margin)) {
	int index = _marginBottomNumberCombo.indexOf(margin);
	if (index != -1) {
	_marginBottomNumberCombo.select(index);
	} else {
	_marginBottomNumberCombo.setText(margin);
	}
	}
	margin = _style.getMarginLeft();
	if (!isEmptyString(margin)) {
	int index = _marginLeftNumberCombo.indexOf(margin);
	if (index != -1) {
	_marginLeftNumberCombo.select(index);
	} else {
	_marginLeftNumberCombo.setText(margin);
	}
	}
	}

	public void setVisible(boolean visible) {
	super.setVisible(visible);

	getApplyButton().setVisible(false);
	getDefaultsButton().setVisible(false);
	}

	private boolean isEmptyString(String str) {
	if (str == null \|\| str.length() == 0) {
	return true;
	}
	return false;
	}
	}