Bug 61878 Package explorer is filtering out plugin dependencies [package explorer]
Build 20040506 When expanding the Plug-in Dependencies container, it is counter-intuitive to hide project dependencies. These are shown in the build path wizard itself, when you expand this container. I would expect to see them all the time.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerContentProvider.java
/* (non-Javadoc)
	 * Method declared on IElementChangedListener.
	 */
	public void elementChanged(final ElementChangedEvent event) {
		try {
			processDelta(event.getDelta());
		} catch(JavaModelException e) {
			JavaPlugin.log(e);
		}
	}
	/* (non-Javadoc)
	 * Method declared on IContentProvider.
	 */
	public void dispose() {
		super.dispose();
		JavaCore.removeElementChangedListener(this);
		fPackageFragmentProvider.dispose();
	}
	
	
	private boolean needsToDelegateGetChildren(Object element) {
		int type= -1;
		if (element instanceof IJavaElement)
			type= ((IJavaElement)element).getElementType();
		return (!fIsFlatLayout && (type == IJavaElement.PACKAGE_FRAGMENT || type == IJavaElement.PACKAGE_FRAGMENT_ROOT || type == IJavaElement.JAVA_PROJECT));
	}		
	public Object[] getChildren(Object parentElement) {
		Object[] children= NO_CHILDREN;
		try {
			if (parentElement instanceof IJavaModel)