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/*******************************************************************************
* Copyright (c) 2017 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.eef.ide.ui.internal;
import java.net.MalformedURLException;
import java.text.MessageFormat;
import java.util.Optional;
import org.eclipse.core.runtime.Path;
import org.eclipse.eef.ide.ui.internal.resource.FileProvider;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
/**
* Utility class to manage images.
*
* @author mbats
*/
public final class EEFImageUtils {
/**
* The constructor.
*/
private EEFImageUtils() {
// prevent instantiation
}
/**
* Retrieve an image from a string path as '/resource/folder/image.png'.
*
* @param imgPath
* The image path
* @return The image
*/
public static Optional<Image> getImage(String imgPath) {
return FileProvider.getDefault().getFile(new Path(imgPath)).flatMap(imageFile -> {
Optional<Image> optionalImage = Optional.empty();
if (imageFile.exists() && imageFile.canRead()) {
try {
ImageDescriptor imageDescriptor = ImageDescriptor.createFromURL(imageFile.toURI().toURL());
optionalImage = Optional.ofNullable(ExtendedImageRegistry.INSTANCE.getImage(imageDescriptor));
} catch (MalformedURLException e) {
EEFIdeUiPlugin.INSTANCE.log(e);
}
} else {
String message = MessageFormat.format(Messages.EEFIdeUiPlugin_fileNotFound, imgPath);
EEFIdeUiPlugin.getPlugin().error(message);
}
return optionalImage;
});
}
/**
* Retrieve an image descriptor from a string path as '/resource/folder/image.png'.
*
* @param imgPath
* The image path
* @return The image descriptor
*/
public static Optional<ImageDescriptor> getImageDescriptor(String imgPath) {
return FileProvider.getDefault().getFile(new Path(imgPath)).flatMap(imageFile -> {
Optional<ImageDescriptor> optionalImageDescriptor = Optional.empty();
if (imageFile.exists() && imageFile.canRead()) {
try {
optionalImageDescriptor = Optional.of(ImageDescriptor.createFromURL(imageFile.toURI().toURL()));
} catch (MalformedURLException e) {
EEFIdeUiPlugin.INSTANCE.log(e);
}
} else {
String message = MessageFormat.format(Messages.EEFIdeUiPlugin_fileNotFound, imgPath);
EEFIdeUiPlugin.getPlugin().error(message);
}
return optionalImageDescriptor;
});
}
}
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