/*=============================================================================#
 # Copyright (c) 2009, 2019 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.rj.example.demo;

import java.util.concurrent.CopyOnWriteArraySet;

import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;

import org.eclipse.statet.jcommons.lang.Disposable;
import org.eclipse.statet.jcommons.runtime.AppEnvironment;
import org.eclipse.statet.jcommons.runtime.CommonsRuntime;
import org.eclipse.statet.jcommons.status.Status;


/** Replaces missing Eclipse environment */
public class EAppEnvSWT implements AppEnvironment, DisposeListener {
	
	
	private final CopyOnWriteArraySet<Disposable> stopListeners= new CopyOnWriteArraySet<>();
	
	
	public EAppEnvSWT() {
		CommonsRuntime.init(this);
	}
	
	
	@Override
	public String getBundleId() {
		return "org.eclipse.statet.rj.servi.demo";
	}
	
	@Override
	public void log(Status status) {
		System.out.println(status.toString());
	}
	
	
	@Override
	public void addStoppingListener(Disposable listener) {
		this.stopListeners.add(listener);
	}
	
	@Override
	public void removeStoppingListener(Disposable listener) {
		this.stopListeners.add(listener);
	}
	
	
	@Override
	public void widgetDisposed(DisposeEvent e) {
		try {
			for (final Disposable listener : this.stopListeners) {
				listener.dispose();
			}
		}
		finally {
			this.stopListeners.clear();
		}
	}
	
}