/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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.carbide.cpp.internal.ui.images;

import com.nokia.carbide.cpp.internal.ui.Messages;

import com.nokia.carbide.cpp.ui.CarbideUIPlugin;

import com.nokia.carbide.cpp.ui.images.IImageDataProvider;

import com.nokia.carbide.cpp.ui.images.IImageLoader;

import com.nokia.cpp.internal.api.utils.core.Logging;

import org.eclipse.core.runtime.*;

import java.io.File;

import java.text.MessageFormat;

/**

 * Loader for images known to Carbide.

 * <p>  

 * This keeps images in their native format, optionally scaled

 * to a given size (expected to be used mainly for SVG images).

 *

 */

public class ImageLoader implements IImageLoader {

    public ImageLoader() {

        super();

    }

    /* (non-Javadoc)

     * @see com.nokia.carbide.cpp.project.ui.images.IImageLoader#createImageDataProvider(org.eclipse.core.runtime.IPath)

     */

    public IImageDataProvider createImageDataProvider(IPath path)

    		throws CoreException {

    	File file = path.toFile();

        if (!file.exists()) {

        	throw new CoreException(

    				Logging.newStatus(CarbideUIPlugin.getDefault(),

    						IStatus.ERROR,

    						MessageFormat.format(

    								Messages.getString("ImageLoader.CouldNotFindImageFormat"), //$NON-NLS-1$

    								new Object[] { path })));

        }

    	try {

    		return createImageDataProviderCore(path);

    	} catch (CoreException e) {

    		throw e;

    	} catch (Throwable t) {

    		throw new CoreException(

    				Logging.newStatus(CarbideUIPlugin.getDefault(),

    						IStatus.ERROR,

    						MessageFormat.format(

    								Messages.getString("ImageLoader.CouldNotLoadImageFormat"), //$NON-NLS-1$

    								new Object[] { path }),

    						t));

    	}

    }

    private IImageDataProvider createImageDataProviderCore(IPath path) throws Throwable {

        String ext = path.getFileExtension();

        if (ext != null && (ext.compareToIgnoreCase("svg") == 0 //$NON-NLS-1$

                || ext.compareToIgnoreCase("svgt") == 0)) { //$NON-NLS-1$

        	return new SVGImageDataProvider(path.toFile());

        } else {

    		return new BitmapImageDataProvider(path.toFile());

        }

    }

    /* (non-Javadoc)

     * @see com.nokia.sdt.utils.IDisposable#dispose()

     */

    public void dispose() {

    }

}