/*******************************************************************************
 * Copyright (c) 2000, 2005 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.ant.internal.ui.preferences;


import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;

public interface IAntBlockContainer {
	
	/**
	 * Sets the error message for the container.
	 * May be <code>null</code> to remove the error message.
	 * 
	 * @param message A string error message or <code>null</code>
	 */
	public void setErrorMessage(String message);
	
	/**
	 * Sets the message for the container.
	 * May be <code>null</code> to remove the message.
	 * 
	 * @param message A string message or <code>null</code>
	 */
	public void setMessage(String message);
	
	/**
	 * Creates and returns a properly configured push button with 
	 * the supplied label
	 * 
	 * @param parent The composite parent of the button
	 * @param label The button label
	 * 
	 * @return button the created button
	 */
	public Button createPushButton(Composite parent, String label);
	
	/**
	 * Notifies the container that state has changed.
	 */
	public void update();

}