/*
* Copyright 2005 JBoss Inc
*
* 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 org.drools.guvnor.client.common;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
/**
* Generic "busy" dialog popup.
* This is a lazy singleton, only really need one to be shown at time.
*/
public class LoadingPopup extends PopupPanel {
private static LoadingPopup instance = new LoadingPopup();
private final Label messageLabel = new Label();
private LoadingPopup() {
add( messageLabel );
setWidth( "200px" );
center();
}
/** Convenience method to popup the message. */
public static void showMessage(final String message) {
instance.messageLabel.setText( message );
instance.show();
}
public static void close() {
instance.hide();
}
}