/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.testfw.resultview;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.Hashtable;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.swt.graphics.Image;

import org.eclipse.ui.plugin.AbstractUIPlugin;

import org.osgi.framework.Bundle;

import org.osgi.framework.BundleContext;

/**

 * The activator class controls the plug-in life cycle

 */

public class ResultViewPlugin extends AbstractUIPlugin {

	// The plug-in ID

	public static final String PLUGIN_ID = "com.nokia.testfw.resultview";

	private static final String IMAGE_PATH = "icons/full/";

	// The shared instance

	private static ResultViewPlugin plugin;

	private static Hashtable<String, Image> images;

	/**

	 * The constructor

	 */

	public ResultViewPlugin() {

		images = new Hashtable<String, Image>();

	}

	/*

	 * (non-Javadoc)

	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)

	 */

	public void start(BundleContext context) throws Exception {

		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 {

		plugin = null;

		super.stop(context);

		//dispose image

		for (Image image : images.values()) {

			if (!image.isDisposed()) {

				image.dispose();

			}

		}

	}

	/**

	 * Returns the shared instance

	 *

	 * @return the shared instance

	 */

	public static ResultViewPlugin getDefault() {

		return plugin;

	}

	/**

     * retrieve an image based on its name (from the plug-in standard image folder)

     * @param imageName

     * @return <code>ImageDescriptor</code> of the image if found or the standard missing image descvritor

     */

    public static ImageDescriptor getImageDescriptor(String imageName) {

        return getImageDescriptor(ResultViewPlugin.getDefault().getBundle(), imageName);

    }

    public static Image getImage(String imageName) {

    	Image image = images.get(imageName);

		if (image == null) {

			ImageDescriptor desc = getImageDescriptor(imageName);

			image = desc.createImage();

			images.put(imageName, image);

		}

		return image;

    }

    /**

     * retrieve an image based on its name (from the plug-in standard image folder)

     * @param imageName

     * @return <code>ImageDescriptor</code> of the image if found or the standard missing image descriptor

     */

    public static final ImageDescriptor getImageDescriptor(Bundle bundle,

        String imageName) {

        URL url = getImageUrl(bundle, imageName);

        return (url != null) ? ImageDescriptor.createFromURL(url)

                             : ImageDescriptor.getMissingImageDescriptor();

    }

    /**

     * retrieve the URL of an image file based on its name (from the plug-in standard image folder)

     * @param imageName

     * @return <code>URL</code> of the image if found or null if not found

     */

//    private static URL getImageUrl(String imageName) {

//        return getImageUrl(ResultViewPlugin.getDefault().getBundle(), imageName);

//    }

    public static final URL getImageUrl(Bundle bundle, String imageName) {

        if (bundle == null) {

            bundle = ResultViewPlugin.getDefault().getBundle();

        }

        try {

            URL baseURL = bundle.getEntry("/");

            return new URL(baseURL, IMAGE_PATH + imageName);

        } catch (MalformedURLException e) {

            //            LOG.warn("image URL invalid (image probably missing)", e);

            return null;

        }

    }

    public static void log(Throwable e) {

		log(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, "Error", e)); //$NON-NLS-1$

	}

	public static void log(IStatus status) {

		getDefault().getLog().log(status);

	}

	public static void log(int status, String msg) {

		Status s = new Status(status, PLUGIN_ID, status, msg, null);

		log(s);

	}

}