/*

 * LCMOptions - The plugin's option pane.

 *

 * Copyright (C) 2009 Shlomy Reinstein

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */



package lcm;



import java.awt.Component;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;



import javax.swing.JComboBox;

import javax.swing.JPanel;

import javax.swing.border.TitledBorder;



import org.gjt.sp.jedit.AbstractOptionPane;

import org.gjt.sp.jedit.ServiceManager;

import org.gjt.sp.jedit.jEdit;



@SuppressWarnings("serial")

public class LCMOptions extends AbstractOptionPane

{

	static public final String PROP_PREFIX = "options.LCMPlugin.";

	public static final String PROVIDER_SERVICE_PROP = PROP_PREFIX + "provider";

	private JComboBox provider; 

	private DirtyLineProviderOptions [] providerOptions;

	private JPanel [] providerPanels;

	private JPanel currentPanel;



	public LCMOptions()

	{

		super("DirtyGutter");

	}



	@Override

	protected void _init()

	{

		String [] services = ServiceManager.getServiceNames(

			DirtyLineProvider.class.getCanonicalName());

		provider = new JComboBox(services);

		String selected = getProviderServiceName();

		for (int i = 0; i < services.length; i++)

		{

			if (services[i].equals(selected))

			{

				provider.setSelectedIndex(i);

				break;

			}

		}

		addComponent(jEdit.getProperty("messages.LCMPlugin.providers"),

			provider);

		providerOptions = new DirtyLineProviderOptions[services.length];

		providerPanels = new JPanel[services.length];

		providerChanged();

		provider.addActionListener(new ActionListener()

		{

			public void actionPerformed(ActionEvent e)

			{

				providerChanged();

			}

		});

	}



	private void providerChanged()

	{

		if (currentPanel != null)

			currentPanel.setVisible(false);

		int providerIndex = provider.getSelectedIndex();

		DirtyLineProviderOptions opts = providerOptions[providerIndex];

		if (opts == null)

		{

			String selectedName = provider.getSelectedItem().toString();

			DirtyLineProvider selProvider= (DirtyLineProvider)

				ServiceManager.getService(

					DirtyLineProvider.class.getCanonicalName(), selectedName);

			opts = providerOptions[providerIndex] = selProvider.getOptions();

			final Insets insets = new Insets(20,10,10,10);

			JPanel p = providerPanels[providerIndex] = new JPanel();

			TitledBorder border = new TitledBorder(jEdit.getProperty(

				"messages.LCMPlugin.providerSpecificOptions",

				new Object[] { selectedName }))

			{

				@Override

				public Insets getBorderInsets(Component c)

				{

					return insets;

				}

			};

			p.setBorder(border);

			opts.initOptions(p);

			addComponent(p);

		}

		currentPanel = providerPanels[providerIndex];

		currentPanel.setVisible(true);

	}



	@Override

	protected void _save()

	{

		jEdit.setProperty(PROVIDER_SERVICE_PROP,

			provider.getSelectedItem().toString());

		for (int i = 0; i < providerOptions.length; i++)

		{

			DirtyLineProviderOptions opts = providerOptions[i];

			if (opts != null)

				opts.saveOptions();

		}

	}



	public static String getProviderServiceName()

	{

		return jEdit.getProperty(PROVIDER_SERVICE_PROP);

	}

	public static void setProviderServiceName(String providerName)

	{

		jEdit.setProperty(PROVIDER_SERVICE_PROP, providerName);

	}

}