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/*******************************************************************************
* Copyright (c) 2013 Soft-Maint.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* David Couvrand (Soft-Maint) - Bug 418418 - [Customization] Overlay icons not implemented
* Thomas Cicognani (Soft-Maint) - Bug 424414 - ImageManager doesn't cache images
*******************************************************************************/
package org.eclipse.papyrus.emf.facet.custom.ui.internal;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.util.URI;
import org.eclipse.papyrus.emf.facet.custom.ui.internal.custompt.ImageWrapper;
import org.eclipse.papyrus.emf.facet.custom.ui.internal.custompt.URIImage;
import org.eclipse.papyrus.emf.facet.util.core.Logger;
import org.eclipse.papyrus.emf.facet.util.swt.imageprovider.IImageProvider;
import org.eclipse.papyrus.emf.facet.util.swt.imageprovider.IImageProviderFactory;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.emf.facet.custom.metamodel.custompt.IImage;
import org.eclipse.swt.graphics.Device;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.osgi.framework.Bundle;
public class ImageManager {
private final Map<String, ImageDescriptor> uriImageCache = new HashMap<String, ImageDescriptor>();
private Image getImage(final URIImage uriImage) {
Image result;
final String uriStr = uriImage.getUri();
ImageDescriptor imageDescriptor;
if (this.uriImageCache.keySet().contains(uriStr)) {
imageDescriptor = this.uriImageCache.get(uriStr);
} else {
imageDescriptor = createImageDescriptor(uriStr);
this.uriImageCache.put(uriStr, imageDescriptor);
}
final IImageProvider imageProvider = IImageProviderFactory.DEFAULT
.createIImageProvider(Activator.getDefault());
result = imageProvider.getImage(imageDescriptor);
return result;
}
private ImageDescriptor createImageDescriptor(final String uriStr) {
ImageDescriptor imgDecriptor;
final URI uri = URI.createURI(uriStr);
final String bundleId = uri.segment(1);
final Bundle bundle = Platform.getBundle(bundleId);
final URI baseURI = URI.createPlatformPluginURI(bundleId + '/',
false);
final String resourcePath = uri.deresolve(baseURI).toString();
final URL url = bundle.getResource(resourcePath);
if (url == null) {
Logger.logError(NLS.bind("Resource not found: {0}", //$NON-NLS-1$
resourcePath), Activator.getDefault());
imgDecriptor = ImageDescriptor.getMissingImageDescriptor();
} else {
imgDecriptor = ImageDescriptor.createFromURL(url);
}
return imgDecriptor;
}
public Image getImage(final IImage image) {
Image result = null;
final Device device = PlatformUI.getWorkbench().getDisplay();
if (image instanceof ImageWrapper) {
final ImageWrapper wrapper = (ImageWrapper) image;
result = wrapper.getImage();
} else if (image instanceof URIImage) {
final URIImage uriImage = (URIImage) image;
result = getImage(uriImage);
} else if (image != null) {
result = new Image(device, image.getInputStream());
}
return result;
}
public ImageDescriptor getImageDescriptor(final IImage image) {
ImageDescriptor result = null;
if (image instanceof URIImage) {
final URIImage uriImage = (URIImage) image;
result = createImageDescriptor(uriImage.getUri());
}
return result;
}
}
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