/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.editor.ruby;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class RubyEditorPlugin extends AbstractUIPlugin
{

	// The plug-in ID
	public static final String PLUGIN_ID = "com.aptana.editor.ruby"; //$NON-NLS-1$

	// The shared instance
	private static RubyEditorPlugin plugin;
	
	private IDocumentProvider rubyDocumentProvider;


	/**
	 * The constructor
	 */
	public RubyEditorPlugin() // $codepro.audit.disable
								// com.instantiations.assist.eclipse.analysis.audit.rule.effectivejava.enforceTheSingletonPropertyWithAPrivateConstructor
	{
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception // $codepro.audit.disable declaredExceptions
	{
		super.start(context);
		plugin = this;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception // $codepro.audit.disable declaredExceptions
	{
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 * 
	 * @return the shared instance
	 */
	public static RubyEditorPlugin getDefault()
	{
		return plugin;
	}

	public static Image getImage(String path)
	{
		ImageRegistry registry = plugin.getImageRegistry();
		Image image = registry.get(path);
		if (image == null)
		{
			ImageDescriptor id = getImageDescriptor(path);
			if (id == null)
			{
				return null;
			}
			registry.put(path, id);
			image = registry.get(path);
		}
		return image;
	}

	public static ImageDescriptor getImageDescriptor(String path)
	{
		return AbstractUIPlugin.imageDescriptorFromPlugin(PLUGIN_ID, path);
	}
	
	/**
	 * Returns Ruby document provider
	 * @return
	 */
	public synchronized IDocumentProvider getRubyDocumentProvider()
	{
		if (rubyDocumentProvider == null)
		{
			rubyDocumentProvider = new RubyDocumentProvider();
		}
		return rubyDocumentProvider;
	}
}