AceWikiApp.java

// This file is part of AceWiki.
// Copyright 2008-2013, AceWiki developers.
//
// AceWiki is free software: you can redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// AceWiki is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
// even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License along with AceWiki. If
// not, see http://www.gnu.org/licenses/.

package ch.uzh.ifi.attempto.acewiki;

import java.util.Map;

import nextapp.echo.app.ApplicationInstance;
import nextapp.echo.app.Window;
import ch.uzh.ifi.attempto.acewiki.core.AceWikiConfig;
import ch.uzh.ifi.attempto.echocomp.Style;

/**
 * This non-public class represents an AceWiki application instance.
 *
 * @author Tobias Kuhn
 */
public class AceWikiApp extends ApplicationInstance {

	private static final long serialVersionUID = -2038165609406790355L;
	
	/**
	 * No login required option.
	 */
	public static final int NO_LOGIN = 0;

	/**
	 * Login without password required.
	 */
	public static final int NONPW_LOGIN = 1;

	/**
	 * Login with password required (not fully implemented).
	 */
	public static final int PW_LOGIN = 2;

	private static int sessionID = 1;

	private Map<String, String> parameters;
	private Wiki wiki;
	private Window window;
    private Backend backend;

	/**
	 * Creates a new AceWiki application instance.
	 *
     * @param backend The backend object contains ontology of the wiki.
	 * @param parameters The configuration parameters.
	 */
	public AceWikiApp(Backend backend, Map<String, String> parameters) {
        this.backend = backend;
		this.parameters = parameters;
	}

	public Window init() {
		setStyleSheet(Style.styleSheet);
		window = new Window();
		wiki = new Wiki(backend, parameters, sessionID++);
		wiki.log("syst", "start session");

		// Show login window if required:
		if (wiki.getUser() == null && wiki.getConfig().isLoginRequiredForViewing()) {
			wiki.showLoginWindow();
		}
		window.setContent(wiki.getContentPane());

		window.setTitle("AceWiki");

		return window;
	}

	public void dispose() {
		if (wiki != null) wiki.dispose();
		super.dispose();
	}

	/**
	 * Logs out the current user.
	 */
	public void logout() {
		wiki.dispose();
		wiki = new Wiki(backend, parameters, sessionID++);
		wiki.log("syst", "start session");
		if (wiki.getConfig().isLoginRequiredForViewing()) {
			wiki.showLoginWindow();
		}
		window.setContent(wiki.getContentPane());
	}

	/**
	 * Returns the wiki instance.
	 *
	 * @return The wiki instance.
	 */
	public Wiki getWiki() {
		return wiki;
	}

	public AceWikiConfig getConfig() {
		return getWiki().getConfig();
	}

}