Bug 337141 Recursive part activation warnings fired from photo demo
!ENTRY org.eclipse.e4.ui.workbench 2 0 2011-02-14 11:37:24.765 !MESSAGE Blocked recursive attempt to activate part !STACK 0 java.lang.IllegalStateException at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$1.setFocus(ContributedPartRenderer.java:95) at org.eclipse.e4.demo.e4photo.Preview.setFocus(Preview.java:167) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:618) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:226) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:203) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:101) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$1.setFocus(ContributedPartRenderer.java:77) at org.eclipse.e4.demo.e4photo.Preview.setFocus(Preview.java:167) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:618) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:226) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:203) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:101) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:508) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:477) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:105) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$3.handleEvent(ContributedPartRenderer.java:210) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
examples/org.eclipse.e4.demo.e4photo/src/org/eclipse/e4/demo/e4photo/Preview.java
private Color borderColor;
	
	@Inject
	public Preview(final Composite parentComposite, Realm backgroundRealm) {
		this.parent = parentComposite;
		parent.setData("org.eclipse.e4.ui.css.id", "preview");
		this.bgRealm = backgroundRealm;
		this.inputFile = new WritableValue(bgRealm);
		this.rawImageData = new ComputedValue(bgRealm) {
			protected Object calculate() {
				IFile file = (IFile) inputFile.getValue();
				if (file == null) {
					return null;
				}
				InputStream contents;
				try {
					contents = new BufferedInputStream(file.getContents());
					try {
						return new ImageData(contents);
					}catch (SWTException e) {
						
					} finally {
						contents.close();
					}
				} catch (Exception e) {
					
					e.printStackTrace();
				}
				return null;
			}