Bug 30700 New Project/package/class not selected in package explorer
I20030129 - create one of the java elements using the wizard. observe: the new element is not selected in the package explorer. The reason is that we post resource deltas asynchronously.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
}			
			if (type != null) {
				final IType type2= type;
				Control ctrl= fViewer.getControl();
				if (ctrl != null && !ctrl.isDisposed()) {
					ctrl.getDisplay().asyncExec(new Runnable() {
						public void run() {
							Control ctrl= fViewer.getControl();
							if (ctrl != null && !ctrl.isDisposed()) 
								fViewer.expandToLevel(type2, 1);
						}
					}); 
				}
			}
		} catch(JavaModelException e) {
			
		}
	}
	
	/**
	 * Returns the element contained in the EditorInput
	 */
	Object getElementOfInput(IEditorInput input) {
		if (input instanceof IClassFileEditorInput)
			return ((IClassFileEditorInput)input).getClassFile();
		else if (input instanceof IFileEditorInput)
			return ((IFileEditorInput)input).getFile();
		else if (input instanceof JarEntryEditorInput)
			return ((JarEntryEditorInput)input).getStorage();
		return null;