/* 
 *  Copyright 2008-2009 the EasyAnt project
 * 
 *  See the NOTICE file distributed with this work for additional information
 *  regarding copyright ownership. 
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *  http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software 
 *  distributed under the License is distributed on an "AS IS" BASIS, 
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and 
 *  limitations under the License.
 */
package org.apache.easyant4e.providers;

import java.net.URL;

import org.apache.easyant4e.Activator;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.osgi.framework.Bundle;

/**
 * 
 * @author <a href="mailto:jerome@benois.fr">Jerome Benois</a>
 */
public class ImageProviderImpl implements ImageProvider {

	public static final String IMG_HORIZONTAL = "horizontal";

	public static final String IMG_FORM_BG = "formBg";

	public static final String IMG_PHASE = "phase";

	public static final String IMG_TARGET = "target";

	public static final String IMG_CONSOLE = "console";

	public static final String IMG_BUILD = "build";

	public static final String IMG_EASYANT_LOGO = "easyant-logo";
	
	public static final String IMG_INFO_LOG_LEVEL = "info-log-level";
	
	public static final String IMG_DEBUG_LOG_LEVEL = "debug-log-level";

	public ImageProviderImpl() {		
		initializeImageRegistry(getImageRegistry());
	}

	public ImageDescriptor getConsoleImageDescriptor() {
		return getImageDescriptor(IMG_CONSOLE);
	}
	public ImageDescriptor getLogoImageDescriptor() {
		return getImageDescriptor(IMG_EASYANT_LOGO);
	}

	public Image getPhaseImage(){
		return getImage(IMG_PHASE);
	}
	
	public Image getTargetImage(){
		return getImage(IMG_TARGET);
	}
	
	public Image getFormBackgroundImage(){
		return getImage(IMG_FORM_BG);
	}
	
	public Image getBuildImage(){
		return getImage(IMG_BUILD);
	}
	
	public ImageDescriptor getInfoLogLevelImage(){
		return getImageDescriptor(IMG_INFO_LOG_LEVEL);
	}
	
	public ImageDescriptor getDebugLogLevelImage(){
		return getImageDescriptor(IMG_DEBUG_LOG_LEVEL);
	}
	
	private void initializeImageRegistry(ImageRegistry registry) {
		registerImage(registry, IMG_FORM_BG, "form_banner.gif");
		registerImage(registry, IMG_PHASE, "phase.gif");
		registerImage(registry, IMG_TARGET, "target.gif");
		registerImage(registry, IMG_CONSOLE, "console.png");
		registerImage(registry, IMG_BUILD, "build.gif");
		registerImage(registry, IMG_EASYANT_LOGO, "EasyAnt-logo.gif");
		registerImage(registry, IMG_INFO_LOG_LEVEL, "info_loglevel.gif");
		registerImage(registry, IMG_DEBUG_LOG_LEVEL, "debug_loglevel.gif");	
	}

	private void registerImage(ImageRegistry registry, String key, String fileName) {
		try {
			Bundle bundle = Platform.getBundle(Activator.PLUGIN_ID);
			IPath path = new Path("icons/" + fileName);
			URL url = FileLocator.find(bundle, path, null);
			if (url != null) {
				ImageDescriptor desc = ImageDescriptor.createFromURL(url);
				registry.put(key, desc);
			}
		} catch (Exception e) {
			Activator.getEasyAntPlugin().log(IStatus.ERROR, e.getMessage(), e);
		}
	}

	private Image getImage(String key) {
		return getImageRegistry().get(key);
	}
	
	private ImageDescriptor getImageDescriptor(String key) {
		 return getImageRegistry().getDescriptor(key);
	}
	
	private ImageRegistry getImageRegistry() {
		return Activator.getDefault().getImageRegistry();
	}


}