/*
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */

package at.gv.egiz.bku.local.stal;

import at.gv.egiz.bku.viewer.ResourceFontLoader;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Locale;


import at.gv.egiz.bku.gui.BKUGUIFacade;
import at.gv.egiz.bku.gui.BKUIcons;
import at.gv.egiz.bku.gui.GetCertificateGUI;
import at.gv.egiz.bku.gui.GetCertificateGUIFacade;
import at.gv.egiz.bku.local.gui.GUIProxy;
import at.gv.egiz.bku.local.gui.LocalHelpListener;
import at.gv.egiz.stal.STAL;
import at.gv.egiz.stal.STALFactory;
import javax.swing.JFrame;

import org.apache.commons.configuration.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
*
* @author Thomas Lenz <thomas.lenz@iaik.tugraz.at>
*/

public class LocalGetCertificateSTALFactory implements STALFactory {

	  private final Logger log = LoggerFactory.getLogger(LocalGetCertificateSTALFactory.class);
	  protected static final Dimension PREFERRED_SIZE = new Dimension(318, 200);
	  protected URL helpURL;
	  protected Locale locale;
	  
	  protected Configuration configuration;
	
	@Override
	public STAL createSTAL() {
	    final LocalBKUWorker stal;
	    //http://java.sun.com/docs/books/tutorial/uiswing/misc/focus.html
	    // use undecorated JFrame instead of JWindow,
	    // which creates an invisible owning frame and therefore cannot getFocusInWindow()
	    JFrame dialog = new JFrame("Bürgerkarte");
	    log.debug("AlwaysOnTop supported: {}.", dialog.isAlwaysOnTopSupported());
	    // [#439] make mocca dialog alwaysOnTop
	    dialog.setAlwaysOnTop(true);
	    dialog.setIconImages(BKUIcons.icons);
//	    dialog.setUndecorated(true);
//	    dialog.getRootPane().setWindowDecorationStyle(JRootPane.NONE);

	    if (locale != null) {
	      dialog.setLocale(locale);
	    }
	    LocalHelpListener helpListener = null;
	    if (helpURL != null) {
	      helpListener = new LocalHelpListener(helpURL, locale);
	    } else {
	      log.warn("No HELP URL configured, help system disabled.");
	    }
	    GetCertificateGUIFacade gui = new GetCertificateGUI(dialog.getContentPane(),
	            dialog.getLocale(),
	            null,
	            new ResourceFontLoader(),
	            helpListener,
	            null);
	    BKUGUIFacade proxy = (BKUGUIFacade) GUIProxy.newInstance(gui, dialog, new Class[] { GetCertificateGUIFacade.class, } );
	    stal = new LocalBKUWorker(proxy, dialog);
	    dialog.setPreferredSize(PREFERRED_SIZE);
	    dialog.pack();
	    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
	    Dimension frameSize = dialog.getSize();
	    if (frameSize.height > screenSize.height) {
	      frameSize.height = screenSize.height;
	    }
	    if (frameSize.width > screenSize.width) {
	      frameSize.width = screenSize.width;
	    }
	    dialog.setLocation((screenSize.width - frameSize.width) / 2,
	            (screenSize.height - frameSize.height) / 2);
	    
	    return stal;
	}

	@Override
	public void setLocale(Locale locale) {
		this.locale = locale;
	}

	  /**
	   * spring injects helpURL
	   * @param helpURL
	   * @throws MalformedURLException if helpURL is not a valid URL
	   */
	  public void setHelpURL(String helpURL) throws MalformedURLException {
	    this.helpURL = new URL(helpURL);
	  }

	  /**
	   * @return the configuration
	   */
	  public Configuration getConfiguration() {
	    return configuration;
	  }

	  /**
	   * @param configuration the configuration to set
	   */
	  public void setConfiguration(Configuration configuration) {
	    this.configuration = configuration;
	  }
}