Bug 28510 java build path inconsistency [build path]
20021216 select rt.jar in the package explorer open properties it allows you to set the javadoc location but for source attachment you are sent somewhere else it's inconsistent - on the java build path they both look sort of the same (they sit under the same node in the tree)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/LibrariesWorkbookPage.java
title= NewWizardMessages.getString("LibrariesWorkbookPage.ContainerDialog.new.title"); 
		} else {
			title= NewWizardMessages.getString("LibrariesWorkbookPage.ContainerDialog.edit.title"); 
			elem= existing.getClasspathEntry();
		}
		return openContainerDialog(title, new ClasspathContainerWizard(elem, fCurrJProject, getRawClasspath()));
	}
	
	private CPListElement[] openContainerDialog(String title, ClasspathContainerWizard wizard) {
		WizardDialog dialog= new WizardDialog(getShell(), wizard);
		PixelConverter converter= new PixelConverter(getShell());
		
		dialog.setMinimumPageSize(converter.convertWidthInCharsToPixels(40), converter.convertHeightInCharsToPixels(20));
		dialog.create();
		dialog.getShell().setText(title);
		if (dialog.open() == WizardDialog.OK) {
			IClasspathEntry created= wizard.getNewEntry();
			if (created != null) {			
				CPListElement elem= new CPListElement(fCurrJProject, IClasspathEntry.CPE_CONTAINER, created.getPath(), null);
				if (elem != null) {
					return new CPListElement[] { elem };
				}
			}
		}			
		return null;
	}	
	
	
	private void addAttachmentsFromExistingLibs(CPListElement elem) {
		if (elem.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {