Bug 62086 [User library] Jars in User Libraries Can't be ordered
Inorder to get a patch to Easymock to work the patch jar must be first in the classpath. There does not appear to be a way to do this with the User Libraries. I'm using the I20040506 build.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/UserLibraryPreferencePage.java
if (event.character == SWT.DEL && event.stateMask == 0) {
			List selection= field.getSelectedElements();
			if (canRemove(selection)) {
				doRemove(selection);
			}
		}
	}
	
	private void doEdit(List selected) {
		if (selected.size() == 1) {
			Object curr= selected.get(0);
			if (curr instanceof CPListElementAttribute) {
				editAttributeEntry((CPListElementAttribute) curr);
			} else if (curr instanceof CPUserLibraryElement) {
				editUserLibraryElement((CPUserLibraryElement) curr);
			} else if (curr instanceof CPListElement) {
				CPListElement elem= (CPListElement) curr;				
				editArchiveElement(elem, (CPUserLibraryElement) elem.getParentContainer());
			}
		}
	}
	private void editUserLibraryElement(CPUserLibraryElement element) {
		LibraryNameDialog dialog= new LibraryNameDialog(getShell(), element, fLibraryList.getElements());
		if (dialog.open() == Window.OK) {
			CPUserLibraryElement newLibrary= dialog.getNewLibrary();
			if (element != null) {
				fLibraryList.replaceElement(element, newLibrary);
			} else {
				fLibraryList.addElement(newLibrary);
			}