bundles/org.eclipse.e4.ui.css.swt/src/org/eclipse/e4/ui/css/swt/properties/custom/CSSPropertyTabPositionSWTHandler.java

/*******************************************************************************
 * Copyright (c) 2013 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.e4.ui.css.swt.properties.custom;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CTabFolder;
import org.w3c.dom.css.CSSPrimitiveValue;

import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.swt.widgets.Control;
import org.w3c.dom.css.CSSValue;

import org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler;

public class CSSPropertyTabPositionSWTHandler extends
		AbstractCSSPropertySWTHandler {

	@Override
	protected void applyCSSProperty(Control control, String property,
			CSSValue value, String pseudo, CSSEngine engine) throws Exception {
		if (! (control instanceof CTabFolder))
			return;
		
		if ((value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) && 
				( ((CSSPrimitiveValue) value).getPrimitiveType() == CSSPrimitiveValue.CSS_IDENT) ) {
			String postion = (String) ((CSSPrimitiveValue) value).getStringValue();
			if (postion.equalsIgnoreCase("bottom")) {
				((CTabFolder) control).setTabPosition(SWT.BOTTOM);
			}
			
			if (postion.equalsIgnoreCase("top")) {
				((CTabFolder) control).setTabPosition(SWT.TOP);
			}
		}
	}

	@Override
	protected String retrieveCSSProperty(Control control, String property,
			String pseudo, CSSEngine engine) throws Exception {
		if (control instanceof CTabFolder) {
			CTabFolder folder = (CTabFolder)control;
			int position = folder.getTabPosition();
			
			if (position == SWT.TOP) {
				return "top";
			} else {
				return "bottom";
			}
		}
		return null;
	}

}