AlertDialog.java

/*
 * Copyright 2008 Jeff Dwyer
 * 
 * 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 com.apress.progwt.client.college.gui.ext;

import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Simple Alert
 * 
 * @author Jeff Dwyer
 * 
 */
public class AlertDialog extends DialogBox {
    public AlertDialog(String message) {
        this("Alert", message);
    }

    public AlertDialog(String caption, String message) {
        super(false, true);
        setText(caption);

        VerticalPanel mainP = new VerticalPanel();
        mainP.add(new Label(message));
        HorizontalPanel buttonP = new HorizontalPanel();

        Button okB = new Button("Ok");
        okB.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                hide();
            }
        });

        buttonP.add(okB);
        mainP.add(buttonP);
        setWidget(mainP);
    }

    public static void alert(String message) {
        AlertDialog ad = new AlertDialog(message);
        ad.center();
    }
}