Bug 286867 Update demos and compatibility to use context#modify() instead of outputContext
examples/org.eclipse.e4.demo.e4photo/src/org/eclipse/e4/demo/e4photo/Thumbnails.java
import org.eclipse.e4.core.services.annotations.In;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.e4.core.services.ISchedulingExecutor;
import org.eclipse.e4.core.services.context.IEclipseContext;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.e4.ui.services.IStylingEngine;
import org.eclipse.nebula.widgets.gallery.DefaultGalleryItemRenderer;
import org.eclipse.nebula.widgets.gallery.Gallery;
import org.eclipse.nebula.widgets.gallery.GalleryItem;
import org.eclipse.nebula.widgets.gallery.NoGroupRenderer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
public class Thumbnails {
	private Gallery gallery;
	private GalleryItem group;
	private final IEclipseContext outputContext;