/******************************************************************************* | |
* Copyright (c) 2020 IBM Corporation and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/epl-v20.html | |
* | |
* Contributors: | |
* Ralf Heydenreich - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.e4.ui.internal.dialogs.about; | |
import java.util.Optional; | |
import org.eclipse.core.runtime.IProduct; | |
import org.eclipse.jface.resource.ImageDescriptor; | |
import org.eclipse.jface.resource.JFaceResources; | |
import org.eclipse.swt.graphics.Image; | |
/** | |
* Encapsulates product information from product file. | |
* | |
*/ | |
public final class ProductInformation { | |
private final IProduct product; | |
private final String productName; | |
public ProductInformation() { | |
this(new UnavailableProduct()); | |
} | |
public ProductInformation(IProduct product) { | |
// We are not failing for "null" here, because this is what we can get from | |
// Platform, instead of that we substitute "null" with special implementation. | |
this.product = Optional.ofNullable(product).orElse(new UnavailableProduct()); | |
this.productName = Optional.ofNullable(product.getName()).orElse(""); | |
} | |
public String getName() { | |
return productName; | |
} | |
public ImageDescriptor getAboutImageDescriptor() { | |
if (JFaceResources.getImage(productName) == null) { | |
createAboutImage(); | |
} | |
return JFaceResources.getImageRegistry().getDescriptor(productName); | |
} | |
private void createAboutImage() { | |
Optional<ImageDescriptor> imageDescriptor = ProductProperties.aboutImage(Optional.of(product)); | |
if (imageDescriptor.isPresent()) { | |
JFaceResources.getImageRegistry().put(productName, imageDescriptor.get()); | |
} | |
} | |
public String getAboutText() { | |
return Optional.ofNullable(ProductProperties.getAboutText(product)).orElse(""); | |
} | |
public Optional<Image> getAboutImage() { | |
if (JFaceResources.getImage(productName) == null) { | |
createAboutImage(); | |
} | |
return Optional.ofNullable(JFaceResources.getImage(productName)); | |
} | |
} |