XSpinner.java

/*
 * Copyright 2011 Vancouver Ywebb Consulting Ltd
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package next.i.view.widgets;

import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.SimplePanel;

/**
 * This is a simple spinner class which rotates an spinning image.
 * <p>
 * When embedded the spinner is absolutely positioned in the center of parent
 * widget.
 */
public class XSpinner extends Composite {

	public XSpinner() {
		SimplePanel div = new SimplePanel();
		initWidget(div);

		Style s = div.getElement().getStyle();

		s.setProperty("position", "absolute");
		s.setProperty("left", "50%");
		s.setProperty("top", "50%");
		s.setProperty("marginLeft", "-16px");
		s.setProperty("marginTop", "-16px");
		s.setProperty("width", "32px");
		s.setProperty("height", "32px");
		s.setProperty("backgroundImage", "url(images/all/spinner.gif)");
	}

}