/*
 * Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License Version
 * 1.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is available at http://www.sun.com/
 * 
 * The Original Code is the Jemmy library.
 * The Initial Developer of the Original Code is Alexandre Iline.
 * All Rights Reserved.
 * 
 * Contributor(s): Alexandre Iline.
 * 
 * $Id: Demonstrator.java,v 1.1 2002/02/23 12:58:32 jemmy Exp $ $Revision: 1.1 $ $Date: 2002/02/23 12:58:32 $
 * 
 */

package org.netbeans.jemmy.demo;

import org.netbeans.jemmy.EventDispatcher;
import org.netbeans.jemmy.JemmyProperties;
import org.netbeans.jemmy.TestOut;
import org.netbeans.jemmy.TimeoutExpiredException;

/**
 *
 * Class to display step comments.
 *
 * @author Alexandre Iline (alexandre.iline@sun.com)
 * 
 */

public class Demonstrator {

    private static CommentWindow displayer;
    private static CommentWindow nonDisplayer;

    /**
     * Notifies current CommentWindow implementation to change title.
     * @param title new CommentWindow's title
     */
    public static void setTitle(String title) {
	displayer.setTitle(title);
    }

    /**
     * Changes current CommentWindow.
     * @param cw CommentWindow instance.
     */
    public static void setCommentWindow(CommentWindow cw) {
	displayer = cw;
    }

    /**
     * Notifies current CommentWindow implementation to display comments for a new step.
     * @param stepComment New step comments
     */
    public static void nextStep(String stepComment) {
	getDisplayer().nextStep(stepComment);
	while(getDisplayer().isStopped()) {
	    try {
		Thread.currentThread().sleep(100);
	    } catch (InterruptedException e) {
	    }
	}
	if(getDisplayer() != nonDisplayer) {
	    try {
		EventDispatcher.waitQueueEmpty(TestOut.getNullOutput(),
					       JemmyProperties.getCurrentTimeouts());
	    } catch(TimeoutExpiredException e) {
		e.printStackTrace();
	    }
	}
	if(getDisplayer().isInterrupted()) {
	    getDisplayer().close();
	    throw(new DemoInterruptedException(getDisplayer().getInterruptMessage()));
	}
    }

    /**
     * Notifies current CommentWindow implementation to display final comments.
     * @param stepComment New step comments
     */
    public static void showFinalComment(String stepComment) {
	getDisplayer().showFinalComment(stepComment);
	while(getDisplayer().isStopped()) {
	    try {
		Thread.currentThread().sleep(100);
	    } catch (InterruptedException e) {
	    }
	}
	getDisplayer().close();
	if(getDisplayer() != nonDisplayer) {
	    try {
		EventDispatcher.waitQueueEmpty(TestOut.getNullOutput(),
					       JemmyProperties.getCurrentTimeouts());
	    } catch(TimeoutExpiredException e) {
		e.printStackTrace();
	    }
	}
    }
    
    static {
	setCommentWindow(new DefaultCommentWindow());
	setTitle("Step comments");
	nonDisplayer = new NonWindow(); 
    }

    private static class NonWindow implements CommentWindow {
	public void setTitle(String title) {
	}
	public boolean isStopped() {
	    return(false);
	}
	public void nextStep(String stepComment) {
	    JemmyProperties.getCurrentOutput().printLine("Step comments:\n" + 
							 stepComment);
	}
	public void showFinalComment(String stepComment) {
	    JemmyProperties.getCurrentOutput().printLine("Final comments:\n" + 
							 stepComment);
	}
	public boolean isInterrupted() {
	    return(false);
	}
	public String getInterruptMessage() {
	    return("");
	}
	public void close() {
	}
    }

    private static CommentWindow getDisplayer() {
	if(System.getProperty("jemmy.demo") != null &&
	   System.getProperty("jemmy.demo").equals("on")) {
	    return(displayer);
	} else {
	    return(nonDisplayer);
	}
    }
}
